Based on CAO.

IRI / EASA Regulations

Covering Part-66 Appendix I Module 10

Main Topics
 0. Introduction
 1. Regulatory Framework
0. Introduction
 2. Continuing Airworthiness (Part-M)
 3. Certifying Staff - Maintenance (Part-66)
 4. Approved Maintenance Organisations (Part-145)
 5. Air Operations 0.1 Historical Background
 6. Certification of aircraft, parts and appliances 0.2 Definitions
 7. Applicable National and International Requirements 0.3 Grammatical Considerations
0.4 Rules Structure

1
 0. Introduction 0. Introduction
0.1 Historical Background 0.1 Historical Background (Cont.)
 1919, Paris Convention:  1947, International Civil Aviation Organisation (ICAO):
 In 1919 signed by 26 countries at Paris  Chicago Convention (December 7, 1944 in Chicago)
 One of the main contents: The air above the territory of each  ICAO established in 1947
country belongs to that country.  Headquarters in Montreal, Canada
 1926, Federal Aviation Administration (FAA)  over 180 Contracting States
 “Air Commerce Act” of May 20, 1926
 Federal Aviation Regulation (FAR)

0. Introduction 0. Introduction
0.1 Historical Background (Cont.) 0.1 Historical Background (Cont.)
 1945, International Air Transport Association (IATA)  1970s, Joint Aviation Authorities (JAA)
 international trade organization of airlines  An associated body of the
 Its main objective: Assisting the member airlines for a legal European Civil Aviation Conference (ECAC)
competition and harmonizing the ticket prices  Developing Joint Airworthiness Authorities (1970) to produce
 Established in April 1945 by 57 airlines from 31 countries common certification codes for
 headquartered in Montreal, Quebec, Canada  large aeroplanes and
 Engines
 Today it has over 270 members from more than 140 nations in
every part of the globe  Transfer to EASA

2
 0. Introduction 0. Introduction
0.1 Historical Background (Cont.) 0.1 Historical Background (Cont.)
 2003, European Aviation Safety Agency (EASA)  2001, IATA Operational Safety Audit (IOSA)
 Centrepiece of the European Union’s strategy  an internationally recognised and accepted evaluation system
for aviation safety  Created in 2001 by IATA
 Established in 2003 on the basis of a European Parliament and  Designed to assess the operational management and control
Council Regulation (1592/2002) systems of an airline
 Based in Cologne, Germany  Designed to conduct audits in a standardised and consistent
manner IOSA uses internationally recognised quality audit
principles
 IOSA standards certificate

0. Introduction 0. Introduction
0.2 Definitions 0.2 Definitions (Cont.)
 Aircraft (A/C) means any machine that can derive  Large aircraft means an aircraft, classified as
support in the atmosphere from the reactions of the air  an aeroplane with a maximum take-off mass of more than
other than reactions of the air against the earth's 5700 kg, or
surface.  a multi-engined helicopter.
 All the following flying objects are “Aircraft”:
 Aeroplane
 Helicopter
 Balloon
 Airship
 Kite
 ...

3
 0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Complex Motor-Powered Aircraft means:  Aircraft Groups:
 an aeroplane:  Group 1: complex motor-powered A/C as well as multiple
 with a maximum certificated take-off mass exceeding 5700 kg, or engine helicopters, aeroplanes with maximum certified
 certificated for a maximum passenger seating configuration of more than operating altitude exceeding FL290, A/C equipped with fly-by-
19, or
wire systems and other A/C requiring an A/C type rating
 certificated for operation with a minimum crew of at least two pilots, or
 Group 2: A/C other than those in Group 1 belonging to:
 equipped with (a) turbojet engine(s) or more than one turboprop engine,
 sub-group 2a: single turbo-propeller engine aeroplanes
 a helicopter certificated:
 sub-group 2b: single turbine engine helicopters
 for a maximum take-off mass exceeding 3175 kg, or
 sub-group 2c: single piston engine helicopters.
 for a maximum passenger seating configuration of more than 9, or
 Group 3: piston engine aeroplanes other than those in Group
 for operation with a minimum crew of at least two pilots, or
1.
 a tilt rotor aircraft.

0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Light Aircraft 1 (LA1) means:  Light Aircraft 2 (LA2) means:
 an aeroplane with a maximum take-off mass (MTOM) of 1200  an aeroplane with a Maximum Take-off Mass (MTOM) of 2000 kg
kg or less that is not classified as complex motor-powered or less that is not classified as complex motor-powered A/C;
aircraft;  a sailplane or powered sailplane of 2000 kg MTOM or less;
 a sailplane or powered sailplane of 1200 kg MTOM or less;  a balloon or a hot airship;
 a small balloon;  a gas airship complying some special characteristics;
 a small airship.  a Very Light Rotorcraft.
 CAO.IRI utilizes Iranian LA1 as ILA1 whereas EASA  CAO.IRI utilizes Iranian LA2 as ILA2 whereas EASA
utilizes European LA1 as ELA1. utilizes European LA2 as ELA2.

4
 0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Light Sport Aircraft (LSA) has all the followings:  Product shall mean an aircraft, engine or propeller
 a Maximum Take-off Mass (MTOM) of not more than 600 kg;  Aircraft Components means any engine, propeller, part
 a maximum stalling speed in the landing configuration (VS0) of or appliance.
not more than 45 knots Calibrated Airspeed (CAS) at the
“parts and appliances” shall mean any instrument, equipment,
aircraft's maximum certificated take-off mass and most critical
mechanism, part, apparatus or accessory, including
centre of gravity;
communications equipment, that is used or intended to be
 a maximum seating capacity of no more than two persons, used in operating or controlling an aircraft in flight and is
including the pilot; installed in or attached to the aircraft. It includes parts of an
 a single, non-turbine engine fitted with a propeller; airframe, engine or propeller.
 a non-pressurised cabin.

0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Commercial Air Transport (CAT) operation means an
aircraft operation to transport passengers, cargo or
mail for remuneration or other valuable consideration.
 Specialized Operation means any operation other than
commercial air transport where the aircraft is used for
specialized activities such as agriculture, construction,
photography, surveying, observation and patrol, aerial
advertisement.
 Air Operator is an organisation engaged in or offering
to engage in aircraft operation.

5
 0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Airworthiness means a condition in which the aircraft,  Certificate of Airworthiness (CofA) means a document
airframe, engine, propeller, accessories, and issued by an aviation authority stating that an aircraft
appliances meet their type design and are in a meets specific safety and performance requirements
condition for safe operation. that allow it to be used in service.
 Airworthiness Directive (AD) is a mandatory order  Human factors means principle which apply to
issued by an aviation authority usually applying to aeronautical design, certification, training, operations,
specific types of aircraft, engines or appliances, when maintenance and which seek safe interface between
an unsafe condition exists and that condition is likely the human and other system component by proper
to exist or develop in other aircraft, engines or consideration of human capabilities and limitations.
appliances of the same design.

0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Member State means any state (country) which is a  State of registry is the country which has registered the
member of EASA agency or ICAO. A/C.
 Authority means:  State of operation is the country which uses the A/C.
 The competent body responsible for the safety regulation of  Principal place of business means the head office which
Civil Aviation; or
the principal financial functions and operational control
 An official or government body with the power to make
of the activities are exercised.
decisions; or
 Complete control or power over something.
 Competent Authority means:
 In Iran, CAO.IRI;
 In EU community, the authority designated by the Member State.

6
 0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Type Certificate (TC) is a document issued by an  Maintenance means any one or combination of
authority which indicates that the design of a certain overhaul, repair, inspection, replacement, modification
aircraft, engine etc has been approved. or defect rectification of an aircraft or component, with
 TC example: A certificate for Boeing 767-200. the exception of pre-flight inspection.
 Supplemental Type Certificate ( STC ) is a type  Repair means the restoration of an aircraft/aircraft
certificate ( TC ) issued when an applicant has received component to a serviceable condition in conformity
authority approval to modify an aeronautical product with an approved standard.
from its original design.  Inspection means examination of A/C or A/C
 STC example: a certificate of Boeing 767-200 base component to establish conformity with an approved
design change to Special Freighter Conversion design. standard.

0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.2 Definitions (Cont.)
 Pre-flight inspection means the inspection carried out  Certifying Staff means those personnel who are
before flight to ensure that the aircraft is fit for the responsible for the release of an aircraft or aircraft
intended flight. components after maintenance.
 Note- This activity need not be carried out by an approved  Certificate of Release to Service (CRS) is a document
maintenance organisation or by Part-66 certifying staff.
which shall be issued before flight/use showing that all
 Modification means alteration of A/C or A/C component required aircraft/component maintenance activities in
in conformity with an approved standard. accordance with the regulations are correctly carried
 Overhaul means restoration of an A/C or A/C out.
component by inspection and replacement in
conformity with an approved standard to extend the
operational life.

7
 0. Introduction 0. Introduction
0.2 Definitions (Cont.) 0.3 Grammatical Considerations
 Critical maintenance task means a maintenance task  Singular and plural form of “Aircraft” are the same!
that involves the assembly or any disturbance of a  “shall” (and “will”) vs “should” and “may”
system or any part on an aircraft, engine or propeller  SHALL is used to express obligation
that, if an error occurred during its performance, could (No any other way)

directly endanger the flight safety.  SHOULD is used to express obligation mostly in an advisory way
(May use other way)
 In Iran Air, Critical maintenance task are called
 MAY
Required Inspection Item (RII).
 In this course note manual, for covering both Iranian and
European regulations,
 The content applicable to CAO.IRI only is started by (CAO.IRI)
 The content applicable to EASA only is started by (EASA).

0. Introduction 0. Introduction
0.4 Rules Structure 0.4 Rules Structure (Cont.)
 AMC is an additional document which is developed by
Main Regulation
the Agency and the Member States may use to
establish compliance with the relevant Part. When the
Section A – Technical Requirements
Section B – Competent Authority acceptable means of compliance are complied with,
Procedures
Appendix the related requirements of this Part shall be
considered as met.
Regulation
Contents  GM is an advisory (not obligatory) materials for acting
Acceptable Means of Compliance (AMC)
in compliance with the regulations.

Guidance Materials (GM)

8
 0. Introduction
0.4 Rules Structure (Cont.)
 For more simplifications, the contents of the main
regulations, the AMC materials and GM are arranged at
the same addressing method.

 Example:
 Relevant to EASA Part-145:
145.A.30 (d) Personnel requirements (Regulation)
AMC 145.A.30 (d) Personnel requirements (AMC)
GM 145.A.30 (d) Personnel requirements (GM)

9
 1. Regulatory Framework

1.1 Role of the ICAO

1.2 Role of the Member States and National Aviation
Authorities
1.3 Role of the European Commission and EASA
1.4 Role of Iran and CAO.IRI
1.5 Basic Regulation
1.6 Relationship between various regulation (Parts)

1. Regulatory Framework 1. Regulatory Framework

1.1 Role of the ICAO 1.1 Role of the ICAO (Cont.)
 Established by the Chicago Convention
 The Convention establishes rules of airspace, airplane
registration and safety, and details the rights of the
signatories in relation to air travel.
 ICAO is specialized agency of the United Nations for
coordinating and regulating international air travel.
 It has over 190 States.
 ICAO Headquarters is in Montreal, Canada.
 Regional office of Middle East (MID) is in Cairo, Egypt.
ICAO World Headquarters, Montreal, Canada

10
 1. Regulatory Framework 1. Regulatory Framework
1.1 Role of the ICAO (Cont.) 1.1 Role of the ICAO (Cont.)
 ICAO is made up of  ICAO Annexes: 19 items
 an Assembly  Annex 1 - Personnel Licensing
 composed of representatives from all Contracting States  Annex 2 - Rules of the Air
 a Council  Annex 3 - Meteorological Service for International Air
 composed of members from 36 States in 3 groups Navigation
 a Secretariat  Annex 4 - Aeronautical Charts
 Annex 5 - Units of Measurement to be Used in Air and Ground
Secretariat Operations
 Annex 6 - Operation of Aircraft - Aeroplanes
Council  Annex 7 - Aircraft Nationality and Registration Marks
 Annex 8 - Airworthiness of Aircraft
Assembly  Annex 9 - Facilitation

1. Regulatory Framework 1. Regulatory Framework

1.1 Role of the ICAO (Cont.) 1.2 Role of the Member States and NAAs
 Annex 10 - Aeronautical Telecommunications  Each ICAO member state has a National Aviation
 Annex 11 - Air Traffic Services Authority (NAA) which is the government authority in
 Annex 12 - Search and Rescue that country.
 Annex 13 - Aircraft Accident and Incident Investigation
 The NAA oversees the approval and regulation of civil
 Annex 14 - Aerodromes - Aerodrome Design and Operations,
aviation in the relevant country.
Heliports
 Annex 15 - Aeronautical Information Services  In the USA the NAA is called the Federal Aviation
 Annex 16 - Environmental Protection - Aircraft Noise Administration (FAA), in the England it is known as
 Annex 17 - Security: Safeguarding International Civil Aviation Civil Aviation Administration (CAA), etc.
Against Acts of Unlawful Interference
 Annex 18 - The Safe Transport of Dangerous Goods by Air
 Annex 19 - Safety Management

11
 1. Regulatory Framework 1. Regulatory Framework
1.3 Role of the European Commission and EASA
ICAO
 The European Union (EU) has
 legislative body and
Iran England  executive body.
Civil Aviation
Civil Aviation
 The legislative body of the European Union includes:
Organisation
of the IRI
Administration  The Council of the European Union
(CAO.IRI) (CAA)  The European Parliament
 The European Commission is the executive body of
USA France the European Union.
Federal Director General
Aviation De’l Aviation Civile
Administration
(DGAC)
(FAA)

1. Regulatory Framework 1. Regulatory Framework

1.3 Role of the European Commission and EASA (Cont.) 1.3 Role of the European Commission and EASA (Cont.)
 The EC Treaty is based on the principle that the  EASA has responsibilities for civil aviation safety.
Community acts as a legislator, while Member States  It carries out
apply Community law under Community control.  Certification,
 National Aviation Authorities are the legitimate  Regulation making,
executive arms of the Community. It is their role to  Standardisation,
implement Community law.  Investigation, and

 EASA is the centrepiece of the European Union’s  Monitoring.

strategy for aviation safety.  It collects and analyses safety data, drafts and advises
 EASA is established in 2002 on the basis of a on safety legislation, and coordinates with similar
European Parliament and Council Regulation organisations in other parts of the world.
(1592/2002). It began its work in 2003.

12
 1. Regulatory Framework 1. Regulatory Framework
1.3 Role of the European Commission and EASA (Cont.) 1.4 Role of Iran and CAO.IRI
 EASA Organization Chart:  The CAO.IRI is the Iranian National Aviation Authority (NAA) that
is the government body responsible for civil aviation affairs within
the country territory.
 CAO.IRI, as a member of ICAO, is mainly in charge of air safety
and is engaged specifically for:
 civil aviation long term strategies,
 generating regulations and standards,
 monitoring and controlling air transportation (including airlines and
airports),
 investigating about incidents and accidents
 and ...

1. Regulatory Framework 1. Regulatory Framework

1.4 Role of Iran and CAO.IRI 1.5 Basic Regulation
 CAO.IRI is mainly following the EASA regulations
(Cont.) and
is gradually adapting the local regulations with the
European’s.
 It also uses the EASA approved AMCs and GMs.
 The regulation titles adopted by CAO.IRI are the same
as EASA title; e.i. CAO.IRI Part-M/145/66/147 similar to
EASA Part-M/145/66/147.

13
 1. Regulatory Framework 1. Regulatory Framework
1.5 Basic Regulation (Cont.) 1.5 Basic Regulation (Cont.)
Basic Regulation  EASA Basic Regulations (Regulation (EC) No 1139/
(EC) No. 1139/2018 2018):
(supersedes 1592/2002, 216/2008, 1108/2009)
 Chapter I. Principles
Implementing Rules Implementing Rules  Chapter II. Aviation Safety Management
Regulation No. 748/2012 Regulation No. 1321/2014
 Chapter III. Substantive Requirements
For the airworthiness and On the continuing  Chapter IV. Joint Certification, Oversight And Enforcement
environmental certification airworthiness of A/C and System
of A/C and related aeronautical products,
products, parts and parts and appliances and  Chapter V. The European Aviation Safety Agency
appliances as well as on the approval of
 Chapter VI. Final Provisions
certification of design and organisations and
production organisations. personnel involved in
these tasks.

1. Regulatory Framework 1. Regulatory Framework

1.5 Basic Regulation (Cont.) 1.5 Basic Regulation (Cont.)
Basic Regulation
 EASA Regulations Implementing Rules on Design and
(EC) No. 1139/2018 Production (Regulation (EC) No 748 / 2012):
 Article 1. Scope and definitions
 Article 2. Products, parts and appliances certification
Implementing Rules Implementing Rules
 Article 3. Continued validity of type-certificates and related certificates
Regulation No. 748/2012 Regulation No. 1321/2014
of airworthiness
Annex I  Article 4. Continued validity of supplemental type-certificates
Annex
Part M  Article 5. Continued operation of certain aircraft registered by Member States
Part 21
Annex II  Article 6. Continued validity of parts and appliances certificates
Part 145  Article 7. Permit to fly
Annex III  Article 8. Design organisations
Part 66  Article 9. Production organisations
Certification Specifications
Annex IV  Article 10. Agency measures
Part 147  Article 11. Repeal
Annex V  Article 12. Entry into force
Part T  Annex. Part 21

14
 1. Regulatory Framework 1. Regulatory Framework
1.5 Basic Regulation (Cont.) 1.5 Basic Regulation (Cont.)
 EASA Regulations Implementing Rules on Continuing  Annex I. PART M
Airworthiness (Regulation (EC) No 1321 / 2014)  Annex II. PART 145 Aircraft Maintenance Organisation
Requirements
 Article 1. Objective and scope
 Annex III . PART 66 Aircraft Maintenance Licence
 Article 2. Definitions
Requirements
 Article 3. Continuing airworthiness requirements
 Annex IV. PART 147 Aircraft Maintenance Training
 Article 4 Maintenance organisation approvals
Organisation Requirements
 Article 5. Certifying staff
 Annex Va. (Part -T) Aircraft registered in a third country
 Article 6. Training organisation requirements
 Article 7.
 Article 8. Entry into force
 Article 9. Agency measures

1. Regulatory Framework
1.6 Relationship between various regulation
 All fields related to Aviation goods:

Design
&
Manufacturing

Operation Maintenance

15
16
 2. Continuing Airworthiness
2.1 Introduction
2. Continuing Airworthiness  The regulations established to ensure that A/C
airworthiness is maintained, including maintenance,
(Part-M) are issued in Part-M.

2.1 Introduction
 Part-M also specifies the conditions to be met by the
2.2 Part-M General Structure persons or organisations involved in such continuing
2.3 Competent Authority airworthiness management.
2.4 Accountability
2.5 A/C Maintenance References
2.6 Continuing Airworthiness
2.7 Continuing Airworthiness Management Organisation
2.8 Maintenance Organisation
2.9 Release to Service Certification

2. Continuing Airworthiness 2. Continuing Airworthiness

2.1 Introduction (Contd.) 2.2 Part-M General Structure
Fit to Fly  Section A - Technical Requirements
 Subpart A – General (M.A.100)

Part-21  Subpart B – Accountability (M.A.200)

Part-M
 Subpart C - Continuing Airworthiness (M.A.300)
Initially Airworthy Countinuing Airworthy
 Subpart D - Maintenance Standards (M.A.400)
 Subpart E – Components (M.A.500)

Manufacturer Operator  Subpart F - Maintenance Organisation (M.A.600)

 Subpart G - Continuing Airworthiness Management
Delivery
Organisation (CAMO) (M.A.700)
 Subpart H - Certificate Of Release To Service — CRS (M.A.800)
 Subpart I- Airworthiness Review Certificate (M.A.900)

1
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.2 Part-M General Structure (Contd.) 2.2 Part-M General Structure (Contd.)
 Section B - Procedure For Competent Authorities  Appendix VII - Complex Maintenance Tasks
 Subparts A-I – (the same as Section A)  Appendix VIII - Limited Pilot-Owner Maintenance
 Appendix IX - Application for Maintenance Organisation
 Appendices
Approval
 Appendix I - Continuing Airworthiness Management Contract
(CAO.IRI: Continuing Airworthiness Arrangement)
 Appendix II - Authorised Release Certificate EASA/ CAO.IRI
Form 1
 Appendix III - Airworthiness Review Certificate – EASA/
CAO.IRI Form 15
 Appendix IV - Class and Ratings System
 Appendix V - Maintenance Organisation Approval
 Appendix VI - CAMO Approval

2. Continuing Airworthiness 2. Continuing Airworthiness

2.3 Competent Authority 2.4 Accountability
 (IR) For the purpose of Part-M, "Civil Aviation  The owner is responsible for the continuing
Organisation of the Islamic Republic of Iran" (CAO.IRI) airworthiness of an aircraft.
shall be the Authority.  When the aircraft is leased, the responsibilities of the
 (EU) For the most purposes of Part-M, the competent owner are transferred to the lessee.

Authority is the authority designated by the Member  The pilot-in-command or, in the case of Commercial
Air Transport, the operator shall be responsible for the
State of registry.
satisfactory accomplishment of the pre-flight
 (EU) For maintenance organisation or CAMO in a third inspection.
country, the Competent Authority is the Agency.
 The owner/operator is responsible for granting the
authority access to the organisation/aircraft to
determine continued compliance with Part-M.

2
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.4 Accountability (Contd.) 2.5 A/C Maintenance References
 Any responsible person/organisation shall report any  Maintenance Programme (MP) is a document
identified condition of an aircraft or component which customized by the Operator mainly based on
endangers flight safety to: Maintenance Programme Data (MPD) provided by the
 the State of Registry, manufacturer.
 the organisation responsible for the type design or  MP is including
supplemental type design and,
 scheduled maintenance tasks and the associated
 if applicable, the State of Operator. procedures, and
 Reports shall be made as soon as practicable, but in  standard maintenance practises.
any case within 72 hours of the person or organisation
identifying the condition to which the report relates.

2. Continuing Airworthiness 2. Continuing Airworthiness

2.5 A/C Maintenance References 2.5 A/C Maintenance References
 The aircraft Maintenance Programme must establish  The aircraft Maintenance Programme shall contain
compliance with: details, including frequency, of all maintenance to be
 Instructions issued or accepted by Competent Authority carried out.
 Instructions for continuing airworthiness issued by the  For complex motor-powered aircraft, the aircraft
holders of
maintenance programme shall include a reliability
 the type certificate,
 restricted type certificate,
programme.
 supplemental type certificate,  The aircraft Maintenance Programme shall be subject
 major repair design approval.
to periodic reviews and amended accordingly when
 additional or alternative instructions proposed by the owner or
necessary.
the continuing airworthiness management organisation.

3
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.5 A/C Maintenance References (Contd.) 2.5 A/C Maintenance References (Contd.)
 Master Minimum Equipment List (MMEL) is a document  Minimum Equipment List (MEL) is a document that
created for the purpose of regulating the continued allows for the operation of an individual aircraft by a
operation of an aircraft type while certain items of specific operator under specified conditions, with
equipment are inoperative. particular item(s) of equipment inoperative at the time
 Normally the MMEL is developed by the aircraft of dispatch for an intended flight.
manufacturer and is approved/accepted by the
 MEL will be prepared by an operator in conformity
appropriate NAA responsible for the type certification
with, or more restrictive than, the MMEL established
of the aircraft.
for the aircraft type.
 The MMEL is a list of items of equipment that may be
temporarily inoperative, subject to certain conditions
and limitations, while still maintaining the level of
safety intended in the design standards.

2. Continuing Airworthiness 2. Continuing Airworthiness

2.5 A/C Maintenance References (Contd.) 2.5 A/C Maintenance References (Contd.)
 Configuration Deviation List (CDL) means A list  The information or instructions issued by a TC, STC,
established by the type design organization with the approval of changes to type design, approval of repair
approval of the State of Design which identifies any design holder are intended to provide the owners of a
external parts of an aircraft type which may be missing product with all necessary data to implement a change
at the commencement of a flight, and which contains, on the product, or a repair, or to inspect it.
where necessary, any information on associated  The information or instructions may be issued in a
operating limitations and performance correction. format of
 Operation of the aeroplane without certain secondary  a Service Bulletin, or
airframe and engines parts is allowed through the use  in Structural Repair Manuals, Maintenance Manuals, Engine
of an approved CDL. and Propeller Manuals, etc.

4
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.6 Continuing Airworthiness 2.6 Continuing Airworthiness (Contd.)
 The aircraft continuing airworthiness shall be ensured  the accomplishment of modifications and repairs
by:  Maintenance check flights when necessary.

 The accomplishment of preflight inspections;  Aircraft continuing airworthiness record system

 The rectification of any defect and damage affecting safe requires:
operation, taking into account  At the completion of any maintenance, the certificate of
 the Minimum Equipment List (MEL) and release to service shall be entered in the aircraft continuing
 Configuration Deviation List (CDL);
airworthiness records
 The accomplishment of all maintenance in accordance with the  an aircraft logbook, engine logbook(s) or engine module log
approved aircraft Maintenance Programme; cards, propeller logbook(s) and log cards, for any service life
 the accomplishment of any applicable: limited component as appropriate
 Airworthiness Directive,
 operational directive with a continuing airworthiness impact,
 continued airworthiness requirement

2. Continuing Airworthiness 2. Continuing Airworthiness

2.6 Continuing Airworthiness (Contd.) 2.6 Continuing Airworthiness (Contd.)

 The aircraft continuing airworthiness records shall  An owner or operator shall keep the following records
contain the current: for the periods specified:
 status of airworthiness directives and measures mandated by  all detailed maintenance records in respect of the aircraft and
the competent authority in immediate reaction to a safety any service life limited component fitted thereto, until such
problem; time as the information contained therein is superseded by
 status of modifications and repairs; new information but not less than 36 months after the aircraft
 status of compliance with Maintenance Programme; or component has been released to service; and

 status of service life limited components;  the total time in service (hours, calendar time, cycles and
landings) of the aircraft and all service life limited components,
 mass and balance report;
at least 12 months after the aircraft or component has been
 list of deferred maintenance. permanently withdrawn from service; and

5
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.6 Continuing Airworthiness (Contd.) 2.6 Continuing Airworthiness (Contd.)
 the time in service (hours, calendar time, cycles and landings)  For CAT and specialised operations, the operator shall
as appropriate, since last scheduled maintenance of the
use a technical log system containing the following
component subjected to a service life limit, at least until the
information for each aircraft:
component scheduled maintenance has been superseded by
another scheduled maintenance of equivalent work scope and  information about each flight, and
detail; and  the current aircraft certificate of release to service, and
 The current status of Airworthiness Directives applicable to  the current maintenance statement giving the aircraft
the aircraft and components, at least 12 months after the maintenance status of what scheduled and out of phase
aircraft or component has been permanently withdrawn from maintenance is next due, and
service; and  all outstanding deferred defects rectifications that affect the
 Details of current modifications and repairs to the aircraft, operation of the aircraft, and
engine(s) and any other component vital to flight safety, at  any necessary guidance instructions on maintenance support
least 12 months after they have been permanently withdrawn arrangements.
from service.

2. Continuing Airworthiness 2. Continuing Airworthiness

2.6 Continuing Airworthiness (Contd.) 2.6 Continuing Airworthiness (Contd.)
 For CAT operations, The operator’s Aircraft Technical  Section 4 should contain details of all deferred defects that
affect or may affect the safe operation of the aircraft and
Log system should include a 5 section document /
should therefore be known to the aircraft commander.
computer system:
 Section 5 should contain any necessary maintenance support
 Section 1 should contain details of the registered name and
information that the aircraft commander needs to know.
address of the operator the aircraft type,
 Section 2 should contain details of when the next scheduled
maintenance is due,
 Section 3 should contain details of all information considered
necessary to ensure continued flight safety (including the
aircraft type and registration mark, the date and place of take-
off and landing, the times at which the aircraft took off and
landed, …)

6
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.7 Continuing Airworthiness Management Organisation 2.7 CAMO (Contd.)

 The requirements established to be met by an  The CAME, which needs Competent Authority
organisation to qualify for the issue or continuation of approval, will have the following minimum contents:
an approval for the management of aircraft continuing  a statement signed by the Accountable Manager, and
airworthiness are issued in Part-M Subpart G.  the organisation's scope of work, and

 For commercial air transport, the approval shall be part  the title(s) and name(s) of person(s), and

of the Air Operator Certificate (AOC) issued by the  an organisation chart, and

Competent Authority.  a list of airworthiness review staff, and

 a general description and location of the facilities, and
 The continuing airworthiness management
 procedures specifying how the CAMO ensures compliance
organisation (CAMO) shall provide a continuing with the regulations, and
airworthiness management exposition (CAME).  manual amendment procedure(s)
 the list of approved aircraft Maintenance Programmes

2. Continuing Airworthiness 2. Continuing Airworthiness

2.7 CAMO (Contd.) 2.7 CAMO (Contd.)

 For every aircraft managed, the approved CAMO shall:  Ensure that the aircraft is taken to an approved maintenance
organisation whenever necessary,
 Develop and control a Maintenance Programme including any
applicable reliability programme,  Coordinate properly for
 scheduled maintenance,
 Acquire the Competent Authority approval for aircraft
 the application of Airworthiness Directives,
Maintenance Programme and its amendments,
 the replacement of service life limited parts, and
 Manage the approval of modification and repairs,  component inspection,
 Ensure that all maintenance is carried out in accordance with  Manage and archive all continuing airworthiness records
the approved maintenance programme and released in and/or operator’s technical log
accordance with M.A. Subpart H,
 Ensure that the mass and balance statement reflects the
 Ensure that all applicable Airworthiness Directives and current status of the aircraft.
Operational Directives are applied,
 Ensure that all defects are corrected by an approved maintenance
organisation,

7
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.8 Maintenance Organisation 2.8 Maintenance Organisation (Contd.)
 Any person or organisation performing maintenance Organisation Basis
shall be responsible for the tasks performed.
 In the case of aircraft other than complex motor Management
Maint. Data
powered aircraft, the requirements established to be
met by an organisation to qualify for the issue or Facilities
Tools/Equipment
continuation of an approval for the maintenance of
aircraft and components are issued in Part-M Subpart F.
Personnel Documentation
 Maintenance of large aircraft, aircraft used for
Commercial Air Transport and components thereof
shall be carried out by a Part-145 approved
maintenance organisation.

2. Continuing Airworthiness 2. Continuing Airworthiness

2.8 Maintenance Organisation (Contd.) 2.8 Maintenance Organisation (Contd.)
 The maintenance organisation shall provide a manual  For facilities requirements, the organisation shall
containing at least the following information: ensure that
 a statement signed by the accountable manager, and  Facilities are provided for all planned work
 the organisation's scope of work, and  Office accommodation is provided for the management
 the title(s) and name(s) of person(s), and  Secure storage facilities are provided for components,
 an organisation chart, and equipment, tools and material.
 a list of certifying staff and, if applicable, airworthiness review  For personnel requirements, the organisation needs:
staff, and  an accountable manager
 a list of locations where maintenance is carried out, and  a person or group of persons for ensuring fulfillment of
 procedures specifying how the maintenance organisation regulations
ensures compliance with the regulations, and  personnel who carry out specialized tasks such as welding,
 maintenance organisation manual amendment procedure(s) non-destructive testing/inspection
 sufficient

8
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.8 Maintenance Organisation (Contd.) 2.9 Release to Service Certification
 Certifying Staff will be qualified in accordance with the  At the completion of any maintenance, the certificate
requirements of Part-66. of release to service shall be issued.
 The certifying staff shall have an adequate  Depending on the case, the certificate may be in the
understanding of the relevant aircraft and/or aircraft format of:
component(s) to be maintained together with the  ATFL entry, after completion of line maintenance tasks
associated organisation procedures.  Certificate of Release to Service (CRS) after completion of
base maintenance tasks
 EASA/CAO.IRI Form 1, after completion of shop maintenance
tasks (can be replaced with internal tag for internal use only)

2. Continuing Airworthiness 2. Continuing Airworthiness

2.9 Release to Service Certification (Contd.) 2.9 Release to Service Certification (Contd.)

9
 2. Continuing Airworthiness 2. Continuing Airworthiness
2.9 Release to Service Certification (Contd.) 2.9 Release to Service Certification (Contd.)

10
 3. Maintenance Certifying Staff
(Part-66)
3.1 Part-66 General Structure 3.7 Basic Experience 3.1
3.2 Release Certification Requirements Part-66 General Structure
3.3 Licence Categories 3.8 AML Type/Task Training
3.4 AML issue process Requirements
3.5 Eligibility 3.9 AML Extension requirement
3.6 Basic Knowledge 3.10 AML Application, Issue and
Requirements Validity

3. Certifying Staff 3. Certifying Staff

3.1 Part-66 General Structure 3.1 Part-66 General Structure (Cont.)
 Section A -technical requirements  Appendix I -Basic knowledge requirements
 SUBPART A -Aircraft maintenance licence  Appendix II -Basic Examination Standard
 Section B -procedures for competent authorities  Appendix III -Type training and Examination Standard
 SUBPART A -General
 Appendix IV -Experience requirements for extending a
 SUBPART B -Issue of an aircraft maintenance licence
Part-66 AML
 SUBPART C -Examinations
 Appendix V - Application Form (Form 19)
 SUBPART D -Conversion of national qualifications
 SUBPART E -Examination credits  Appendix VI- Aircraft Maintenance Licence (Form 26)
 SUBPART F -Continuing oversight

1
 3. Certifying Staff
3.2 Release Certification
 Certifying staff releasing the Aircraft / Aircraft
component to service after maintenance activities shall
be qualified in accordance with the regulations of Part-
66.
3.2
 (EASA) Exceptionally for organisation facilities located
Release Certification
outside the EU Community territory, certifying staff
may be qualified in accordance with the national
aviation regulations (in full compliance with ICAO
Annex 1) of the State in which the organisation facility
is registered. (EASA Part-145 Appendix IV)

3. Certifying Staff 3. Certifying Staff

3.2 Release Certification (Cont.) 3.2 Release Certification (Cont.)
 Certificate of Release to Service is a document which  Certification requirements are:
shall be issued before flight/use showing that all  Part-66 AML; and
required aircraft/component maintenance activities in  Part-145 Certification Authorisation (issued by an Approved
accordance with the regulations are correctly carried Maintenance Organisation)

out.
Part-66 AML (Type/Task Rated)
ATFL A/C Line Maintenance
Issuing CRS
Part-145 Certification
CRS CRS Form A/C Base Maintenance Authorisation

Form 1 or Component Maintenance

Internal Tag

2
 3. Certifying Staff
3.2 Release Certification (Cont.)
 The holder of an Aircraft Maintenance Licence may not
exercise certification privileges unless:
in compliance with the applicable requirements of Part-M
and/or Part-145.
in the preceding two-year period he/she has, either had six 3.3
months of maintenance experience in accordance with the Licence Categories
privileges granted by the aircraft maintenance licence or, met
the provision for the issue of the appropriate privileges.
he/she is able to read, write and communicate to an
understandable level in the language(s) in which the technical
documentation are written.

3. Certifying Staff 3. Certifying Staff

3.3 Licence Categories 3.3 Licence Categories (Cont.)

Certifying Staff
Cat. A: Line Maintenance - Mechanic
Cat. A Cat. B1 Cat. B2 Cat. B3 Cat. C
Cat. B1: Line Maintenance – Technician (Mechanical)

Certifying Staff Cat. B2: Line Maintenance – Technician (Avionic) Subcat. A1 Subcat. B1.1 Aeroplanes, Turbine

Cat. B3: Line Maintenance (for some small A/C) Subcat. A2 Subcat. B1.2 Aeroplanes, Piston

Cat. C: Base Maintenance - Engineer Subcat. A3 Subcat. B1.3 Helicopters, Turbine

Subcat. A4 Subcat. B1.4 Helicopters, Piston

3
 3. Certifying Staff 3. Certifying Staff
3.3 Licence Categories (Cont.) 3.3 Licence Categories (Cont.)
 Category A: Line Maintenance - Mechanic  Category B1: Line maintenance certifying technician-
 Cat. A Privileges: Issue certificates of release to mechanical
service following “minor scheduled line maintenance”  Cat. B1 Privileges: Issue certificates of release to
and simple defect rectification within the limits of tasks service following maintenance, including aircraft
specifically endorsed on the authorisation. structure, powerplant and mechanical, electrical
 “minor scheduled line maintenance” means any minor systems and replacement of avionic line replaceable
scheduled inspection/check up to and including a units requiring simple tests.
weekly check. (Pre-flight/transit, Daily and Weekly checks)

3. Certifying Staff 3. Certifying Staff

3.3 Licence Categories (Cont.) 3.3 Licence Categories (Cont.)
 Category B2: Line maintenance certifying technician-  Category B3: Line Maintenance for piston-engine non-
avionic pressurized aeroplanes of 2000 kg MTOM and below
 Cat. B2 Privileges: Issue certificates of release to  Cat. B3 privileges: to issue certificates of release to
service following maintenance on avionic and service for
electrical systems.  maintenance performed on aeroplane structure, powerplant
and mechanical and electrical systems,
 work on avionic systems requiring only simple tests to prove
their serviceability and not requiring troubleshooting.

4
 3. Certifying Staff 3. Certifying Staff
3.3 Licence Categories (Cont.) 3.3 Licence Categories (Cont.)
 Category C: Base maintenance certifying engineer Line Maintenance
Task Rated
 Cat. C Privileges: Issue certificates of release to Cat. A
service following base maintenance on aircraft.
Type Rated
Cat. B1

Cat. B3

Cat. B2

Base Maintenance

Cat. C

3. Certifying Staff
3.3 Licence Categories (Cont.)
Those category B1 and B2 staff in the base
maintenance environment of a Part-145 organisation
who do not hold necessarily certification privileges are
called Category B1 and B2 support staff.
3.4
AML Issue Process

5
 3. Certifying Staff 3. Certifying Staff
3.4 AML Issue Process 3.4 AML Issue Process (Contd.)
Eligibility Basic knowledge Basic Experience Eligibility Basic knowledge Basic Experience

Application for Cat. B1/B2 AML

Application for AML
Cat. B1/B2 AML issue (not type-rated)
Cat. A, B1, B2

AML issue
Type/task training (+OJT for the first type endorsement)
(not type/task-rated)

Cat. C
Order Order Application for Cat. B1/B2 AML amendment
Type/task training (+OJT for the first type endorsement)
Cat. B1/B2 AML amendment issue
(type-rated)
Application for AML amendment
Additional Experience

AML amendment issue Application for Cat. C AML amendment

(type/task-rated)
Cat. C AML amendment issue

3. Certifying Staff
3.4 AML Issue Process (Contd.)
Eligibility Cat. B1/B2 Basic knowledge Basic Experience

Application for Cat. C AML issue

Cat. C AML issue

(not type-rated AML) 3.5
Academic Route

Type training (Cat. B1/B2 level)

Eligibility
Cat. C

Order (+OJT for the first type endorsement)

Application for Cat. C AML amendment

Cat. C AML amendment issue

(Type-rated AML)

6
 3. Certifying Staff
3.5 Eligibility
 An applicant for an aircraft maintenance licence shall
be at least 18 years of age.

3.6
Basic Knowledge Requirements

3. Certifying Staff 3. Certifying Staff

3.6 Basic Knowledge Requirements 3.6 Basic Knowledge Requirements (Contd.)
 The process of Basic knowledge satisfaction:  Note: (Part 66 Appendix I)
 Basic knowledge for categories A, B1 and B2 are indicated by
the allocation of knowledge levels indicators (1, 2 or 3).
 Category C applicants must meet either the category B1 or the
category B2 basic knowledge levels.
 Basic knowledge levels:
 LEVEL 1 (A familiarisation with the principal elements of the
Basic Knowledge Examination Satisfaction
subject.)
 LEVEL 2 (A general knowledge of the theoretical and practical
aspects of the subject.)
 LEVEL 3 (A detailed knowledge of the theoretical and practical
aspects of the subject.)

7
 3. Certifying Staff 3. Certifying Staff
3.6 Basic Knowledge Requirements (Contd.) 3.6 Basic Knowledge Requirements (Contd.)
Part-66 Appendix I Part-66 Appendix I (contd.)
 Module 1. Mathematics (Cat. A/B1/B2/B3)  Module 9A. Human Factors (Cat. A/B1/B2)
 Module 2. Physics (Cat. A/B1/B2/B3)  Module 9B. Human Factors (Cat. B3)
 Module 3. Electrical Fundamentals (Cat. A/B1/B2/B3)  Module 10. (Cat. A/B1/B2/B3)
 Module 4. Electronic Fundamentals (Cat. A/B1/B2/B3)  Module 11A. Turbine Aeroplane Aerodynamics, Structures
 Module 5. Digital Techniques / Electronic Instrument Systems and Systems (Cat. A1/B1.1)
(Cat. A/B1/B2/B3)  Module 11B. Piston Aeroplane Aerodynamics, Structures and
 Module 6. Materials And Hardware (Cat. A/B1/B2/B3) Systems (Cat. A2/B1.2)
 Module 7A. Maintenance Practices (Cat. A/B1/B2)  Module 11C. Piston, Aeroplane Aerodynamics, Structures and
 Module 7B. Maintenance Practices (Cat. B3) Systems (Cat. B3)

 Module 8. Basic Aerodynamics (Cat. A/B1/B2/B3  Module 12. Helicopter Aerodynamics, Structures
And Systems (Cat. A3/A4/B1.3/B1.4)

3. Certifying Staff 3. Certifying Staff

3.6 Basic Knowledge Requirements (Contd.) 3.6 Basic Knowledge Requirements (Contd.)
Part-66 Appendix I (contd.)
 Module 13. Aircraft Aerodynamics, Structures And Systems
(Cat. B2)
 Module 14. Propulsion (Cat. B2)
 Module 15. Gas Turbine Engine (Cat. A/B1)
 Module 16. Piston Engine (Cat. A/B1/B3)
 Module 17A. Propeller (Cat. A/B1)
 Module 17B. Propeller (Cat. B3)

8
 3. Certifying Staff 3. Certifying Staff
3.6 Basic Knowledge Requirements (Contd.) 3.6 Basic Knowledge Requirements (Contd.)
 Checking the applicant’s level of knowledge in the  Basic Examination Standard (Part-66 Appendix II)
appropriate subject modules (based on appendix I) by  Multi-choice question format and/or essay questions
EXAMINATION conducted by:  Questions with three alternative answers of which only one
 ATO, or must be the correct answer

 Competent Authority  Nominal average of 75 seconds per multi-choice question

 Each essay question requires the preparation of a written
answer and the candidate must be allowed 20 minutes
 The pass mark is 75 %.
 Penalty marking systems not be used
 If either the multi-choice part only or the essay part only is
failed, then it is only necessary to retake the multi-choice or
essay part, as appropriate.

3. Certifying Staff 3. Certifying Staff

3.6 Basic Knowledge Requirements (Contd.) 3.6 Basic Knowledge Requirements (Contd.)
 Obsoleted: Allowed time period: All Part-66 modules  Failed modules: A failed module may not be retaken
that make up a complete Part-66 AML category or for at least 90 days following the date of the failed
subcategory must be passed within a 5 year time module examination, except in the case of a Part-147
period of passing the first module. approved maintenance training organisation which
conducts a course of retraining tailored to the failed
subjects in the particular module when the failed
module may be retaken after 30 days.
 The maximum number of consecutive attempts for
each module is three. Further sets of three attempts
are allowed with a 1 year waiting period between sets.

9
 3. Certifying Staff
3.6 Basic Knowledge Requirements (Contd.)
 The training courses and examinations shall be passed
within 10 years prior to the application for an aircraft
maintenance licence.
 The applicant may apply to the competent authority for
3.7
full or partial examination credit to the basic
Basic Experience Requirements
knowledge requirements.
 Credits expire 10 years after they were granted to the
applicant by the competent authority. The applicant
may apply for new credits after expiration.

3. Certifying Staff 3. Certifying Staff

3.7 Basic Experience Requirements 3.7 Basic Experience Requirements (Contd.)
Cat. A, Subcat. B1.2 and B1.4:  Cat. B2, Subcat. B1.1 and B1.3:
 3 years of practical maintenance on operating A/C (if the  5 years of practical maintenance on operating A/C (if the
applicant has no relevant technical training); or applicant has no relevant technical training); or

 2 years of practical maintenance on operating A/C + a relevant  3 years of practical maintenance on operating A/C + a relevant
technical training (as a skilled worker or …); or technical training (as a skilled worker or …); or

 1 year of practical maintenance on operating A/C + completion  2 year of practical maintenance on operating A/C + completion
of a Part-147 approved basic training course. of a Part-147 approved basic training course.

10
 3. Certifying Staff 3. Certifying Staff
3.7 Basic Experience Requirements (Contd.) 3.7 Basic Experience Requirements (Contd.)
 Cat. C (for Complex Motor-powered A/C):  Cat. C (for non Complex Motor-powered A/C):
 3 years exercising Cat. B1.1 or B1.3 or cat. B2 privileges; or  3 years exercising Cat. B1 or B2 privileges; or
 3 years as B1.1, B1.3 or B2 support staff; or  3 years as B1 or B2 support staff; or
 3 years in a combination of both latter cases; or  3 years in a combination of both latter cases; or

 5 years exercising as Cat. B1.2 or B1.4 privileges; or

 5 years as B1.2, B1.4 support staff; or
 5 years in a combination of both latter cases

3. Certifying Staff 3. Certifying Staff

3.7 Basic Experience Requirements (Contd.) 3.7 Basic Experience Requirements (Contd.)
 Cat. C (for a university graduated applicant):  The experience shall be practical and involve a
3 years working in a civil aircraft maintenance environment on representative cross section of maintenance tasks on
a representative selection of tasks directly associated with aircraft. (66.A.30 c)
aircraft maintenance including 6 months of observation of
 At least one year of the required experience must be
base maintenance tasks.
recent maintenance experience on aircraft of the
category/subcategory for which the initial aircraft
maintenance licence is sought. (66.A.30 d)

11
 3. Certifying Staff 3. Certifying Staff
3.7 Basic Experience Requirements (Contd.) 3.7 Basic Experience Requirements (Contd.)
 Recent experience means: (AMC 66.A.30(d))  Maintenance experience on operating aircraft:
 at least 50% of the required 12-month recent experience  Means the experience of being involved in maintenance tasks
should be gained within the 12-month period prior to the date on aircraft which are being operated;
of application for the aircraft maintenance licence.  Should cover a wide range of tasks in length, complexity and
 The remainder experience should have been gained within the variety;
7-year period prior to application.  Aims at gaining sufficient experience in the real environment
 The rest of the basic experience must be obtained of maintenance;
within the 10 years prior to the application.  May be gained within different types of maintenance
organisations;
 Experience shall have been acquired within the 10
 May be combined with CAO.IRI Part-147 approved training.
years preceding the application for an aircraft
maintenance licence.

3. Certifying Staff
3.8 AML Type/Task Training Requirements

Large A/C
3.8 Training Examination
AML Type/Task Training Requirements
Type/task Satisfaction
knowledge
Examination

Other than Large A/C

12
 3. Certifying Staff 3. Certifying Staff
3.8 AML Type/Task Training Requirements (Contd.) 3.8 AML Type/Task Training Requirements (Contd.)
A/C task training
A/C type training
(including
(including
Knowledge &
Knowledge &
Practical Examination Examination
Practical)
Hands-on) / assessment / assessment

AMO Training centre conducting

Task-rated an authority-approved
Not task-rated Not type-rated Type-rated
Cat. A course
Cat. A Cat. B1/B2 Cat. B1/B2
(Large A/C)
(Large A/C) (Large A/C) (Large A/C)
ATO ATO

3. Certifying Staff 3. Certifying Staff

3.8 AML Type/Task Training Requirements (Contd.) 3.8 AML Type/Task Training Requirements (Contd.)
Type training levels:  (Large A/C) Category B1 and B2 approved type training
 Level 1 General familiarisation: shall include theoretical and practical elements. (66.A.45 d)
 A brief overview of the airframe, systems and powerplants as outlined in  The practical training must comprise a period of 4 months for
the Systems Description Section of the Aircraft Maintenance Manual. applicants with no recent recorded previous practical experience of
 Level 2 Ramp and transit: aircraft but this can be reduced to a minimum of two weeks for
 Basic system overview of controls, indicators, principal components applicant with such previous experience. (AMC 66.A.45 d)
including their location and purpose, servicing and minor  A programme of structured on-job-training (OJT) may be prepared to
troubleshooting. satisfy the practical training requirement. (AMC 66.A.45 d)
 Level 3 Line and base maintenance training:
 In the case of a category C person qualified by holding
 Detailed description, operation, component location, removal/installation
and bite and troubleshooting procedures to maintenance manual level. an academic degree, the first relevant aircraft type
theoretical training shall be at the category B1 or B2
level. Practical training is not required.

13
 3. Certifying Staff 3. Certifying Staff
3.8 AML Type/Task Training Requirements (Contd.) 3.8 AML Type/Task Training Requirements (Contd.)
 (Large A/C) Completion of approved aircraft type  The endorsement of the first aircraft type rating within
training shall be demonstrated by an examination. a given category/sub-category requires satisfactory
 Practical element (Part 66 Appendix III) completion of the corresponding On the Job Training.
The practical training element must consist of the performance  After the first type course for category C certifying
of representative maintenance tasks and their assessment to staff all subsequent courses need only be to level 1.
meet:
 Ensure safe performance of maintenance, inspections and routine work
according to the maintenance manual and other relevant instructions and
tasks.
 Correctly use all technical literature and documentation.
 Correctly use specialist/special tooling and test equipment, perform
removal and replacement of components and modules unique to type,
including any on-wing maintenance activity.

3. Certifying Staff 3. Certifying Staff

3.8 AML Type/Task Training Requirements (Contd.) 3.7 AML Type/Task Training Requirements (Contd.)
 As a minimum the elements stated in the Part-66
Appendix III that are specific to the aircraft type must
be covered.

14
 3. Certifying Staff
3.9 AML Extension requirement
An applicant for an extension to an AML shall have a
minimum civil aircraft maintenance experience
requirement appropriate to the additional category or
subcategory of licence applied for as defined in Appendix
3.9
IV.
AML Extension requirement

3. Certifying Staff
3.9 AML Extension requirement (Contd.)

3.10
AML Application, Issue and Validity

15
 3. Certifying Staff 3. Certifying Staff
3.10 AML Application, Issue and Validity 3.10 AML Application, Issue and Validity (Contd.)
 An application for an AML or amendment to such CAO.IRI Form 19
licence shall be made on EASA/CAO.IRI Form 19 and
submitted to competent Authority.
 The latest revision of CAO.IRI Form 19 included in
www.cao.ir.
 Maintenance experience evidence should be attached
to the application.
 Applicants claiming a reduction in the required
experience duration should attach the relevant
evidence to the application.

3. Certifying Staff 3. Certifying Staff

3.10 AML Application, Issue and Validity (Contd.) CAO.IRI AML
 The document must be printed in the standardised form but
may be reduced in size.
 Each licence holder must have a unique licence number
and an alpha-numeric designator.
 The document may have the pages in any order. The aircraft
type rating page need not be issued until the first type
endorsement is included.
 The document may be prepared by the competent authority
of the Member State or by any Part-145 approved
maintenance organisation in accordance with a procedure
approved by the Member State and contained in the Part-
145 MOE.

16
 3. Certifying Staff 3. Certifying Staff
AML 3.10 AML Application, Issue and Validity (Contd.)
 The aircraft maintenance licence becomes invalid five
years after its last issue or amendment, unless the
holder submits his/her aircraft maintenance licence to
the competent authority that issued it, in order to verify
that the information contained in the licence is the
same as that contained in the competent authority
records.

3. Certifying Staff
3.10 AML Application, Issue and Validity (Contd.)
 Personnel exercising certification privileges must
produce their licence, as evidence of qualification, if
requested by an authorised person, within 24 hours.

17
18
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.1 Part-145 General Structure
4. Approved Maintenance Organisations  Section A (Technical Requirements)
(Part-145)  Scope
 Application
 Terms of approval
4.1 Part-145 General Structure 4.9 Maintenance data
 Facility requirements
4.2 Scope of Work 4.10 Production planning
 Personnel requirements
4.3 Competent Authority 4.11 Maintenance certification
4.4 Facility Requirements 4.12 Maintenance records  Certifying staff and support staff
4.5 Personnel requirements 4.13 Occurrence reporting  Equipment and tools
4.6 Certification Authorisation 4.14 Safety and Quality Policy  Components
4.7 Equipment, tools and material 4.15 Organisation Exposition (MOE)  Maintenance data
requirements 2.16 Approval Validity  Production planning
4.8 Acceptance of Components

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.1 Part-145 General Structure (Contd.) 4.1 Part-145 General Structure (Contd.)
 Performance of maintenance  Section B (Procedure for competent authorities)
 Certification of maintenance
 Appendixes
 Maintenance review records
 Use of the EASA/CAO.IRI Form 1 for maintenance
 Occurrence reporting
 Organisations approval class and rating system
 Safety and quality policy
 Approval certificate
 Maintenance organisation exposition
 Conditions for the use of staff not qualified to Part-66 in
 Privileges of the organisation accordance with 145A.30(J)1 and 2
 Limitations on the organisation …
 Changes to the organisation
 Continued validity
 Findings

1
 4. Approved Maintenance Organisation
4.2 Scope of Work 4. Approved Maintenance Organisation
 Line Maintenance
4.2 Scope should be understood
of Work (Contd.) as any
maintenance that is carried out before flight to ensure
A/C Maintenance that the aircraft is fit for the intended flight.
Activities  Line Maintenance may include:
 Trouble shooting
 Defect rectification
 Component replacement with use of external test equipment if
A/C Line Maintenance A/C Base Maintenance required.
 Scheduled maintenance and/or checks (including visual
Activities Activities
inspections that will detect obvious unsatisfactory
conditions/discrepancies but do not require extensive in depth
inspection)

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.2 Scope of Work (Contd.) 4.2 Scope of Work (Contd.)
 Minor repairs and modifications which do not require
extensive disassembly and can be accomplished by simple
means
 Base maintenance tasks in temporary or occasional cases
(AD's, SB's) by the acceptance of the Quality Manager
 Maintenance tasks falling outside the line maintenance
scope are considered to be for Base Maintenance.
 The organisation shall specify the scope of work
deemed to constitute approval in its exposition.

2
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.3 Competent Authority 4.3 Competent Authority (Contd.)
 For the purpose of this Part, the competent authority
Principal
shall be: place of
 for organisations having their principal place of business in a business
Member State, the authority designated by that Member State,
or;
In a Member In a third
 for organisations having their principal place of business
State country
located in a third country, the Agency.

Competent Authority is Competent

designated by that Authority is
Member State EASA

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.4 Facility Requirements 4.4 Facility Requirements (Contd.)
 Facilities shall be provided appropriate for all planned  For component maintenance, component workshops
work, ensuring in particular, protection from the shall be large enough.
weather elements.  Aircraft maintenance staff should be provided with an
 Specialised workshops and bays shall be segregated area where they may study maintenance instructions
as appropriate. and complete maintenance records.
 For base maintenance, aircraft hangars shall be both  Office accommodation is provided for the management
available and large enough. of the planned work and certifying staff so that they
 Note- For line maintenance of aircraft, hangars are not can carry out their designated tasks.
essential but it is recommended that access to hangar
accommodation be demonstrated.

3
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.4 Facility Requirements (Contd.) 4.4 Facility Requirements (Contd.)
 The working environment including aircraft hangars,  The working environment for line maintenance is such
component workshops and office accommodation is that the particular maintenance or inspection task can
appropriate for the task carried. be carried out without undue distraction.

 Unless otherwise dictated by the particular task  Where the working environment deteriorates to an
unacceptable level in respect of temperature, moisture,
environment, the working environment must be such
hail, ice, snow, wind, light, dust/other airborne
that the effectiveness of personnel is not impaired by:
contamination, the particular maintenance or
 Temperature
inspection tasks must be suspended until satisfactory
 Dust conditions are re-established.
 Sufficient lighting
 Noise level
 Humidity

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.4 Facility Requirements (Contd.) 4.4 Facility Requirements (Contd.)

 Secure storage facilities are provided for components,  Notes: (AMC 145.A.25 (d))
equipment, tools and material.  Storage facilities for serviceable aircraft components should
be clean, well-ventilated and maintained at a constant dry
 Storage conditions ensure segregation of serviceable
temperature.
components and material from unserviceable aircraft
 Manufacturers storage recommendations should be followed.
components, material, equipment and tools.
 All aircraft components should remain packaged in protective
 The conditions of storage are in accordance with the material to minimise damage and corrosion during storage.
manufacturer's instructions to prevent deterioration
and damage of stored items.
 Access to storage facilities is restricted to authorised
personnel.

4
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.5 Personnel requirements 4.5 Personnel requirements (Contd.)
A maintenance organisation shall include the following  Accountable manager is someone who has corporate
personnel: authority for ensuring that all maintenance required by
 Accountable manager the customer can be
 Management personnel (including quality system  financed, and
management)  carried out to the standard required.
 Maintenance staff (including certifying staff, support staff and
 The accountable manager shall:
NDT staff)
 ensure that all necessary resources are available.
 Staff
 establish and promote the safety and quality policy.
 demonstrate a basic understanding of Part-145.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 Part-145 functions may be subdivided under the  The Management personnel shall be identified and
following individual managers : their credentials submitted to the competent authority
 A base maintenance manager through EASA Form 4.
 A line maintenance manager  The organisation shall have a maintenance man-hour
 A workshop manager plan showing that the organisation has sufficient staff
 A quality manager to
…  plan
 All of whom should report to the accountable manager.  perform
 The quality system manager shall have direct access  supervise
to the accountable manager. (145.A.30 (c))  inspect and quality monitor
the organisation. (145.A.30 (d))

5
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 “Has sufficient staff” means that at least half the staff  The maintenance man-hour plan should relate to the
that perform maintenance in each workshop, hangar or anticipated maintenance work load except that when
flight line on any shift should be employed in the the organisation cannot predict such workload.
organisation to ensure organisational stability. (AMC  Maintenance work load includes:
145.A.30 (d))
 planning
 The organisation shall have a procedure to reassess  maintenance record checks
work intended to be carried out when actual staff  production of worksheets/cards (in paper or electronic form)
availability is less than the planned staffing level.  accomplishment of maintenance, inspection and the
(145.A.30 (d))
completion of maintenance records
 The man-hour plan should be reviewed at least every 3
months and updated when necessary.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 Significant deviation from the maintenance man-hour  The organisation shall establish and control the
plan should be reported through the departmental competence of personnel involved in
manager to the quality manager and the accountable  maintenance
manager.  management

 “Significant deviation” means more than a 25%  quality audits

shortfall in available man-hours during a calendar with a procedure. (145.A.30(e))

month  “Competence” must include
 necessary expertise related to the job function
 an understanding of the application of human factors and
human performance issues
(145.A.30(e))

6
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 The referenced procedure for competence requires  A record of the qualification and competence
that assessment should be kept. (AMC 145.A.30(e))
 planners
 Adequate initial training and recurrent training should
 mechanics
be provided and recorded to ensure continued
 specialised services staff
 supervisors
competence. (AMC 145.A.30(e))
 certifying staff  A competence assessment on each job description
are assessed for competence by should establish for each job role to check that
 'on the job' evaluation, and/or  Planners are able to interpret maintenance requirements into
 examination relevant to their particular job role maintenance tasks.
before unsupervised work is permitted. (AMC 145.A.30(e))  Mechanics are able to carry out maintenance tasks to the
specified standard.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 Specialised services staff are able to carry out specialised All the following personnel should receive
maintenance tasks to the specified standard.
 Supervisors are able to ensure that all required maintenance
human factors continuation training:
tasks are carried out.  Post-holders, managers, supervisors
 Certifying staff are able to determine when the aircraft or  Certifying staff, technicians, and mechanics
aircraft component is ready to release to service and when it  Technical support staff (planners, engineers, technical record
should not be released to service. staff)
(AMC 145.A.30(e))  Quality control/assurance staff
 Specialised services staff
 Human factors staff/ human factors trainers
 Store department staff, purchasing department staff

7
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)

 Ground equipment operators  The Human factors training procedures should be
 Contract staff in the above categories specified in the maintenance organisation exposition.
(AMC 145.A.30(e)) (AMC 145.A.30(e))

 Human factors continuation training should be of an

appropriate duration in each two year period in relation  Human factors training may be conducted by
to relevant quality audit findings and other  the maintenance organisation itself, or
internal/external sources of information available to  independent trainers, or
the organisation on human errors in maintenance. (AMC  any training organisations acceptable to the competent
145.A.30(e)) authority.
(AMC 145.A.30(e))

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 The organisation shall have appropriately qualified  Organisation maintaining aircraft for the line
personnel who carry out and/or control a continued maintenance shall have appropriate aircraft type rated
airworthiness Non-Destructive Test (NDT) of aircraft certifying staff qualified as category B1 and B2.
structures and/or components.
 Such organisations may also use appropriately task
trained certifying staff qualified as category A to carry
out minor scheduled line maintenance and simple
defect rectification.

8
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 The availability of such category A certifying staff shall  Replacement of internal and external lights, filaments and
flash tubes
not replace the need for Part-66 category B1 and B2
 Replacement of windscreen wiper blades
certifying staff to support the category A certifying
 Replacement of passenger and cabin crew seats, seat belts
staff. and harnesses
 Typical tasks permitted after appropriate task training  Closing of cowlings and re-fitment of quick access inspection
to be carried out by the category A are contained in the panels
following list: (AMC 145.A.30 (g))  Replacement of toilet system components but excluding gate
 Replacement of wheel assemblies valves
 Replacement of wheel brake units …
 Replacement of emergency equipment
 Replacement of ovens, boilers and beverage makers

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 Any organisation maintaining large aircraft for the  Certifying staff may be qualified in accordance with the
base maintenance shall have appropriate aircraft type national aviation regulations considering that: (Appendix
rated certifying staff qualified as category C. IV)

 The organisation shall have sufficient aircraft type  The person shall hold a licence or a certifying staff
authorisation issued under the country's National regulations
rated staff qualified as category B1 and B2 to support
in compliance with ICAO Annex 1.
the category C certifying staff.
 The scope of work of the person shall not exceed the scope of
 Component certifying staff shall comply with Part-66. work defined by the National licence/certifying staff
authorisation.
 The person shall demonstrate he has received training on
human factors and airworthiness regulations.

9
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.5 Personnel requirements (Contd.) 4.5 Personnel requirements (Contd.)
 The person shall demonstrate:  Base maintenance certifying staff must receive type training at
 five years maintenance experience for line maintenance certifying staff a level corresponding to at least Part-66 Appendix III level 1 for
 eight years for base maintenance certifying staff every aircraft on which they are authorised to make
However, those persons whose authorised tasks do not certification.
exceed those of a Part-66 category A certifying staff, need to
demonstrate three years maintenance experience only.
 Line maintenance certifying staff and base maintenance
support staff shall receive type training at a level
corresponding to Part-66 Appendix III level 3 for every aircraft
on which they are authorised to make certification. However
those persons whose authorised tasks do not exceed those of
a Part-66 category A certifying staff may receive task training
in lieu of complete type training.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.6 Certification Authorisation 4.6 Certification Authorisation (Contd.)
 All Certifying Staff before doing their privileges on  The organisation may only issue a certification
releasing A/C to service after maintenance activities authorisation in compliance with the AML.
shall have Certification Authorisation.  All certifying staff and category B1 and B2 support
 Before the issue or re-issue of the certification staff must be involved in at least six months of actual
authorisation the organisation shall ensure that relevant aircraft or component maintenance
certifying staff and category B1 and B2 support staff experience in any consecutive two year period.
have received relevant training and have maintenance  The organisation shall ensure that all certifying staff
experience in order to have an adequate and category B1 and B2 support staff receive sufficient
understanding of: continuation training in each two year period.
 the relevant aircraft and/or components to be maintained
 and the associated organisation procedures.

10
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.6 Certification Authorisation (Contd.) 4.6 Certification Authorisation (Contd.)
 This continuation training is required to ensure that  Continued validity of the certification authorisation is
such staff have up-to-date knowledge of … dependent upon continued compliance with the
 relevant technology, requirements. (145.A.35(g))
 organisation procedures, and  The organisation shall maintain a record of all
 human factor issues. (145.A.35(d)) certifying staff and category B1 and B2 support staff
 A certification authorisation shall clearly specifies the containing:
scope and limits.  Name
 The person responsible for the quality system shall  Date of Birth
remain responsible for issuing certification  Basic Training
authorisations.  Type Training
 Continuation Training

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.6 Certification Authorisation (Contd.) 4.6 Certification Authorisation (Contd.)
 Experience  The organisation shall provide certifying staff with a
 Qualifications relevant to the approval copy of their certification authorisation.
 Scope of the authorisation
 Certifying staff shall produce their certification
 Date of first issue of the authorisation
authorisation to any authorised person within 24
 If appropriate - expiry date of the authorisation
hours. (145.A.35(l))
 Identification Number of the authorisation (145.A.35(j), AMC
145.A.35(j))  “Authorised person” means the responsible officials of
 The organisation shall retain the record for  the competent authorities,

 at least five years. (CAO.IRI)  the Agency ,and

 at least three years. (EASA)  the Member State (145.A.35(h))

11
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.6 Certification Authorisation (Contd.) 4.6 Certification Authorisation (Contd.)
 The minimum age for certifying staff and category B1  Limited certification authorisation may be issued to:
and B2 support staff is 21 years. (145.A.35(m))  the aircraft commander and/or the flight engineer, for a
repetitive pre-flight airworthiness directive (145.A.30 (j)3)
 Upon request, the maintenance organization shall
 Note. The organisation shall ensure that sufficient practical training has
furnish the certifying staff with a copy of their personal been carried out.
record on leaving the organization.  the commander and/or the flight engineer, for the aircraft
operating away from a supported location (145.A.30 (j)4)
 Note. The organisation shall ensure that sufficient practical training has
been carried out.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.6 Certification Authorisation (Contd.) 4.6 Certification Authorisation (Contd.)
 One-off certification authorisation may be issued …  A one-off authorisation should only be considered for
 When an aircraft is grounded at a location other than the main issue by the quality department. (AMC 145.A.30 (j)5)
base where no appropriate certifying staff are available,
 to
 one of its employees holding equivalent type authorisations on aircraft of
similar technology, construction and systems, or
 any person with not less than five years maintenance experience and
holding a valid ICAO aircraft maintenance licence

 Issuance of one-off certification authorisation shall be

reported to the competent authority within seven days.
If this case may affect flight safety, any such
maintenance shall be re-checked later.

12
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.7 Equipment, tools and material requirements 4.8 Acceptance of Components
 The organisation shall have available and use the All components shall be classified and appropriately segregated into:
necessary equipment, tools and material to perform
Serviceable with FORM 1 or equivalent
the approved scope of work. and marked in accordance with Part-21 Subpart Q

 The organisation shall ensure that all tools, equipment

Unserviceable
and particularly test equipment, as appropriate, are
 controlled and
Components Unsalvageable
 calibrated
according to an officially recognised standard at a Standard parts specified in the manufacturer's
illustrated parts catalogue and/or the maintenance data
frequency to ensure serviceability and accuracy.
 Records of such calibrations and traceability to the Material both raw and consumable
standard used shall be kept by the organisation.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.8 Acceptance of Components (Contd.) 4.8 Acceptance of Components (Contd.)
 Prior to installation of a component, the organisation  The organisation may fabricate a restricted range of
shall ensure that the particular component is eligible to parts to be used in the course of undergoing work
be fitted. within its own facilities.
 Care should be exercised for  The agreement by the competent authority is required.
 different modification and/or airworthiness directive standards  The relevant acceptable procedures shall be identified
that may be applicable
in the MOE.
 applicable airworthiness directives
 Examples of fabrication under the scope of an Part-145
 the status of any life limited parts fitted to the aircraft
component
approval can include but are not limited to:
 Fabrication of bushes, sleeves and shims
 The eligibility and status of an aircraft component may
 Fabrication of secondary structural elements and skin panels
be identified in the Form 1.
 Fabrication of control cables

13
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.8 Acceptance of Components (Contd.) 4.8 Acceptance of Components (Contd.)
 Life limitation of the parts may be in the form of  Typically unsalvageable parts are:
 Certified Life Limited Parts  Components with non-repairable defects, whether visible or
 Should be removed when the life limit is reached not to the naked eye;
 Life limited Parts  Components that do not meet design specifications, and
 Can be checked and used again after reaching the life limit cannot be brought into conformity with such specifications;
 Unsalvageable parts are the components which  Components subjected to unacceptable modification or
 have reached to their certified life limit or rework that is irreversible;

 contain a non-repairable defect.  Certified life-limited parts that have reached or exceeded their
certified life limits, or have missing or incomplete records;
 Unsalvageable parts shall not be permitted to re-enter
 Components that cannot be returned to airworthy condition
the component supply system unless due to exposure to extreme forces, heat or adverse
 certified life limits have been extended or environment;
 a repair solution has been approved according to Part-21.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.8 Acceptance of Components (Contd.) 4.9 Maintenance data
 Components for which conformity with an applicable  The organisation shall hold and use applicable current
airworthiness directive cannot be accomplished;
maintenance data in the performance of maintenance,
 Components for which maintenance records and/or
including modifications and repairs.
traceability to the manufacturer can not be retrieved.
 “Applicable” means relevant to any aircraft,
 Caution should be exercised to ensure that
component or process specified in the organisation's
unsalvageable components are disposed of in a
approval class rating schedule and in any associated
manner that does not allow them to be returned to
capability list.
service, for example when those are sold.

14
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.9 Maintenance data (Contd.) 4.9 Maintenance data (Contd.)
 Applicable maintenance data shall be any of the  AMO should hold and use the following minimum
following: (145.A.45(b)) maintenance data: (AMC 145.A.45(b))
 Any applicable requirement, procedure, operational directive  all maintenance related Implementing Rules
or information issued by the authority
 approval specifications and Guidance Material
 Any applicable airworthiness directive issued by the authority
 all applicable national maintenance requirements
 Instructions for continuing airworthiness, issued by
 type certificate holders,  all applicable EASA airworthiness directives
 supplementary type certificate holders and  Specific documents relevant to the “approval class rating”
 any other organisation required to publish such data by Part-21
…
 Any applicable standard, such as but not limited to,
maintenance standard practices recognised by the Agency as
a good standard for maintenance
 Modified maintenance instructions

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.9 Maintenance data (Contd.) 4.9 Maintenance data (Contd.)
 Special notification procedure: The organisation shall  The organisation shall provide a common work card or
establish procedures to ensure that if found, any worksheet system to be used throughout relevant
inaccurate, incomplete or ambiguous contents in the parts of the organisation.
maintenance data used by maintenance personnel is  Work cards and worksheets may be computer
recorded and notified to the author of the maintenance generated and held on an electronic database subject
data in a timely manner. (145.A.45(c)) to
 The organisation may only modify maintenance  adequate safeguards against unauthorised alteration, and
instructions in accordance with a procedure specified  a back-up electronic database
in the MOE.  Computer system shall be updated within 24 hours of
any entry made to the main electronic database.

15
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.9 Maintenance data (Contd.) 4.10 Production planning
 The organisation shall ensure that all applicable  The organisation shall have a system to plan the
maintenance data is readily available for use when availability of all necessary
required by maintenance personnel.  personnel,
 The organisation shall establish a procedure to ensure  tools,

that maintenance data is kept up to date.  equipment,

 material,
 If maintenance data is provided by a customer, the
 maintenance data and
customer must certify that such data is up-to-date.
 facilities
in order to ensure the safe completion of the
maintenance work. (145.A.47(a))

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.10 Production planning (Contd.) 4.10 Production planning (Contd.)
 the production planning function includes two  The planning of maintenance tasks, and the organising
complementary elements: (AMC 145.A.47(a)) of shifts, shall take into account human performance
 scheduling the maintenance work ahead, to ensure that it will limitations.
not adversely interfere with other work as regards the
 When it is required to hand over the maintenance tasks
availability of all necessary personnel, tools, equipment,
material, maintenance data and facilities
of a shift or personnel changeover, relevant
 during maintenance work, organising maintenance teams and
information shall be adequately communicated
shifts and provide all necessary support to ensure the between outgoing and incoming personnel. (145.A.47(c))
completion of maintenance without undue time pressure

16
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.10 Production planning (Contd.)
 Effective task and shift handover depends on three
basic elements: (AMC 145.A.47(c))
4.11 Maintenance certification
(145.A.50)
 The outgoing person’s ability to understand and communicate
the important elements of the job or task being passed over to
the incoming person
 The incoming person’s ability to understand and assimilate the
information being provided by the outgoing person
 A formalised process for exchanging information between
outgoing and incoming persons and a planned shift overlap
and a place for such exchanges to take place

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.11 Maintenance certification 4.11 Maintenance certification (Contd.)
A certification for the maintenance of  A certificate of release to service shall be issued
aircraft/component may be in the form of:  by appropriately authorised certifying staff (on behalf of the
 Form 1 for A/C components organisation),
 A/C technical logbook for line maintenance  when it has been verified that all maintenance ordered has
 A/C Certificate of Release to Service (CRS) for base been properly carried out,
maintenance  when there are no non-compliances which are known that
hazard seriously the flight safety.
(145.A.50(a))

 A certificate of release to service shall be issued

before flight. (145.A.50(b))

17
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.11 Maintenance certification (Contd.) 4.11 Maintenance certification (Contd.)
 The certificate of release to service should contain the  when an aircraft is grounded (AOG) at a location other
following statement: (AMC 145.A.50(b)) than the main base due to the non-availability of a
 “Certifies that the work specified except as otherwise specified component with the appropriate release certificate, it is
was carried out in accordance with Part-145 and in respect to permissible
that work the aircraft/aircraft component is considered ready
 to temporarily fit a component without the appropriate release
for release to service”.
certificate
 for a maximum of
 30 flight hours or
 until the aircraft first returns to the main base,

whichever is the sooner.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.11 Maintenance certification (Contd.) 4.11 Maintenance certification (Contd.)
 This case is subject to the aircraft operator agreement  At the completion of any maintenance on a component
and said component having a suitable release whilst off the aircraft a Form 1 will be issued. It
certificate but otherwise in compliance with all constitutes the component certificate of release to
applicable maintenance and operational requirements. service. (145.A.50(d))
 The certificate referenced Form 1 is called the
authorised release certificate. (AMC 145.A.50(d))
 The certificate is to be used for export/import
purposes, as well as for domestic purposes. (AMC
145.A.50(d))

18
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.11 Maintenance certification (Contd.) 4.12 Maintenance records

 When an organisation maintains a component for its  The organisation shall record all details of
own use, an Form 1 may not be necessary (depending maintenance work carried out. (145.A.55(a))
upon the organisation's internal release procedures
defined in the MOE). (145.A.50(d))  As a minimum, the organisation shall retain records
necessary to prove that all requirements have been
met for issuance of the certificate of release to service,
including subcontractor's release documents. (145.A.55(a))

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.12 Maintenance records (Contd.) 4.12 Maintenance records (Contd.)
 The organisation shall provide a copy of each CRS to  These maintenance records
the aircraft operator, together with a copy of any  shall be stored in a safe way with regard to fire, flood and theft
specific approved repair/modification data used for  In the format of computer backup disks, shall be stored in a
repairs/modifications carried out. (145.A.55(b)) different location from that containing the working discs, in an
environment that ensures they remain in good condition.
 The organisation shall retain a copy of all detailed (145.A.55(c))
maintenance records and any associated maintenance  where the organisation terminates its operation, all
data for retained maintenance records covering the last five
 five years for CAO.IRI.
years (three years for EASA)
 shall be distributed to the last owner or customer of the
 three years for EASA. respective aircraft or component, or
 shall be stored as specified by the competent authority
(145.A.55(c))

19
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.13 Occurrence reporting 4.13 Occurrence reporting (Contd.)
 The organisation shall report any condition of the  The organisation shall establish an internal occurrence
Aircraft, or component identified by the organisation reporting system as detailed in the MOE to enable the
that has resulted or may result in an unsafe condition  Collection
that hazards seriously the flight safety to  evaluation
 the competent authority,
 Assessment, and
 the state of registry and
 extraction
 the organisation responsible for the design of the aircraft or
component (145.A.60(a)) of those occurrences. (145.A.60(b))
 Such reports shall be produced within 72 hours.
(145.A.60(e))

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.13 Occurrence reporting (Contd.) 4.14 Safety and Quality Policy
 An occurrence reporting system should enable and The organisation shall establish a safety and
encourage free and frank reporting of any (potentially) quality policy. (145.A.65(a))
safety related occurrence. (AMC 145.A.60(b))
The organisation shall establish procedures
 An organisation should ensure that personnel are not
inappropriately punished for reporting or co-operating
taking into account human factors and human
with occurrence investigations. (AMC 145.A.60(b)) performance. (145.A.65(b))
 The internal reporting process should be closed-loop.
(AMC 145.A.60(b))

20
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.14 Safety and Quality Policy (Contd.) 4.14 Safety and Quality Policy (Contd.)
 The organisation shall establish procedures to  In order to prevent omissions, every maintenance task
 1) minimise the risk of multiple errors, and or group of tasks should be signed-off. (AMC 145.A.65(b))
 2) capture errors on critical systems, and
 A “sign-off” is a statement by the competent person
 3) ensure that no person is required to carry out and inspect in
performing or supervising the work, that the task or
relation to a maintenance task involving some element of
disassembly/reassembly of several components of the same
group of tasks has been correctly performed.
type fitted to more than one system on the same aircraft  When only one person is available to carry out tasks
during a particular maintenance check. as mentioned in item 3 then the organisation's work
(145.A.65(b))
card or worksheet shall include an additional stage for
 The purpose of item 3 is to minimise the rare re-inspection of the work by this person after
possibility of an error being repeated. (AMC 145.A.65(b)) completion of all the same tasks. (145.A.65(b))

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.14 Safety and Quality Policy (Contd.) 4.14 Safety and Quality Policy (Contd.)
 The following maintenance tasks should primarily be  In the smallest organisations the independent audit
reviewed to assess their impact on safety: part of the quality system may be contracted to
 Installation, rigging and adjustments of flight controls another approved organisation or a person with
 Installation of aircraft engines, propellers and rotors appropriate technical knowledge and proven
 Overhaul, calibration or rigging of components such as satisfactory audit experience. (145.A.65(c))
engines, propellers, transmissions and gearboxes
 The independent audit is an objective process of
(145.A.65(b))
routine sample checks of all aspects of the
 The organisation shall establish a quality system
organisation’s ability to carry out all maintenance to
including:
the required standards and includes some product
 Independent audits
sampling as this is the end result of the maintenance
 A quality feedback reporting system.
(145.A.65(c))
process. (AMC 145.A.65(c))

21
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.14 Safety and Quality Policy (Contd.) 4.14 Safety and Quality Policy (Contd.)
 the independent audit should ensure that all aspects of  The findings of the quality systems are classified as:
Part-145 compliance are checked every 12 months and  Level 1 finding: any significant non-compliance with Part-145
may be carried out as a complete single exercise or requirements which lowers the safety standard and hazards
seriously the flight safety.
subdivided over the 12 month period in accordance
 Level 2 finding: any non-compliance with the Part-145
with a scheduled plan. (AMC 145.A.65(c))
requirements which could lower the safety standard and
possibly hazard the flight safety
 After receipt of notification of findings, the holder of
the maintenance organisation approval shall define a
corrective action plan and demonstrate corrective
action to the satisfaction of the competent authority
within a period agreed with this authority.

4. Approved Maintenance Organisation 4. Approved Maintenance Organisation

4.15 Organisation Exposition (MOE) 4.15 Organisation Exposition (MOE) (Contd.)
 The organisation shall provide the competent authority  a general description of manpower resources
with a maintenance organisation exposition,  a general description of the facilities located at each address
specified in the organisation's approval certificate
containing the following information:
 a specification of the organisation's scope of work
 A statement signed by the accountable manager confirming
that the exposition defines the organisation's compliance with  the notification procedure for organisation changes
Part-145 and will be complied with at all times  the organisation exposition amendment procedure
 the organisation's safety and quality policy as specified  the procedures and quality system
 the title(s) and name(s) of the managers  a list of commercial operators, where applicable, to which the
 the duties and responsibilities of the managers organisation provides an aircraft maintenance service

 an organisation chart showing associated chains of  a list of subcontracted organisations

responsibility between the managers  a list of line stations
 a list of certifying staff and B1 and B2 support staff  a list of contracted organisations

22
 4. Approved Maintenance Organisation 4. Approved Maintenance Organisation
4.15 Organisation Exposition (MOE) (Contd.) 2.16 Approval Validity
 The exposition shall be amended as necessary to  (CAO.IRI) An approval shall be issued for a limited
remain an up-to-date description of the organisation. duration not exceeding one year.
 The exposition and any subsequent amendment shall  (EASA) An approval shall be issued for an unlimited
be approved by the competent authority. duration.
 It shall remain valid subject to:
 the organisation remaining in compliance with this Part
 the competent authority being granted access to the
organisation to determine continued compliance with this Part;
and
 the certificate not being surrendered or revoked.

4. Approved Maintenance Organisation

2.16 Approval Validity (Contd.)
 The organisation shall notify the competent authority
of any proposal to carry out any of the following
changes before such changes take place
 the name of the organisation
 the main location of the organisation
 additional locations of the organisation
 the accountable manager
 any of the managers
 the facilities, equipment, tools, material, procedures, work
scope or certifying staff that could affect the approval

23
24
 5. Air Operation
5.1 Scope
 Air Operations regulation prescribes requirements for
5. Air Operations  the certification and/or oversight of air operations, commercial
and non-commercial;
 The issuing of attestations for and oversight of cabin crew;
5.1 Scope  ramp inspections of aircraft of operators under the safety
5.2 General Structure oversight of another State when landed at aerodromes located
5.3 Air Operators Certificates in the territory
5.4 Operators Responsibilities …
5.5 EU Third Country Operators (TCO)
5.6 Aeroplane marking and placards

5. Air Operation 5. Air Operation

5.1 Scope (Contd.) 5.2 General Structure

1
 5. Air Operation 5. Air Operation
5.2 General Structure (Contd.) 5.2 General Structure (Contd.)
 ANNEX I – DEFINITIONS for Annexes II to VIII;  ANNEX VI - PART-NCC, technical requirements for
 ANNEX II – PART-ARO, Authority requirements for air non-commercial operations of complex motor-powered
operations; aircraft;
 ANNEX III – PART-ORO, Organisation requirements for  ANNEX VII - PART-NCO, technical requirements for
commercial air operators and non-commercial air non-commercial operations of other-than-complex
operators with complex motor-powered aircraft; motor-powered aircraft;
 ANNEX IV - PART-CAT (A,H), technical requirements  ANNEX VIII - PART-SPO, technical requirements for
for commercial air transport operations with specific operations, including commercial and non-
aeroplanes and helicopters; commercial operations;
 ANNEX V - PART-SPA, requirements for operations
requiring a specific approval.

5. Air Operation 5. Air Operation

5.2 General Structure (Contd.) 5.2 General Structure (Contd.)
 PART ARO is composed of three SUBPARTS:
 PART ARO SUBPART GEN, general requirements;
 PART ARO SUBPART OPS, specific requirements related to air
operations;
 PART ARO SUBPART RAMP, requirements for ramp
inspections of aircraft of operators under the regulatory
oversight of another state.

2
 5. Air Operation 5. Air Operation
5.2 General Structure (Contd.) 5.3 Air Operators Certificates
Method of regulation coding  Prior to commencing commercial air operations, the
operator shall apply for and obtain an air operator
certificate (AOC).
 The operator shall provide the following information to
the authority:
 Official organisation data such as name, address, manament
system
 Proposed operations and A/C types
 Operations manual and a procedure ensuring the manual
updating
…

5. Air Operation 5. Air Operation

5.3 Air Operators Certificates (Contd.) 5.3 Air Operators Certificates (Contd.)
 An applicant for an AOC, or variation of an AOC, shall  The operator must have nominated an accountable
allow the Authority to examine all safety aspects of the manager.
proposed operation.  The operator must have nominated post holders,
 Applicants shall demonstrate to the authority that acceptable to the Authority, who are responsible for
 they comply with all the applicable requirements of the management and supervision of the following
Regulations on Airworthiness areas:
 all aircraft operated have a certificate of airworthiness (C of A)  flight operations;
 Its organization and management are suitable and properly  the maintenance system;
matched to the scale and scope of the operation.
 crew training; and
 ground operations.

3
 5. Air Operation 5. Air Operation
5.3 Air Operators Certificates (Contd.) 5.3 Air Operators Certificates (Contd.)
 the operator shall make use of appropriate ground  An AOC specifies the:
handling facilities to ensure the safe handling of its  Name and location (principal place of business) of the
flights. operator;
 Date of issue and period of validity;
 The operator shall make arrangements for the
 Description of the type of operations authorised;
production of manuals and any other documentation
 Type(s) of aeroplane(s) authorised for use;
required and associated amendments.
 Registration markings of the authorised aeroplane(s);
 The operator shall establish an operations manual
 Authorised areas of operation;
(OM).
 Special limitations;
 Special authorisations/approvals , …

5. Air Operation 5. Air Operation

5.3 Air Operators Certificates (Contd.) 5.3 Air Operators Certificates (Contd.)
 An operator will not be granted an AOC, or a variation
to an AOC, and that AOC will not remain valid unless:
 the operator remaining in compliance with the relevant
requirements of Basic Regulation and its Implementing Rules
 the authority being granted access to the operator to
determine continued compliance with the relevant
requirements
 The certificate not being surrendered or revoked.

4
 5. Air Operation 5. Air Operation
5.3 Air Operators Certificates (Contd.) 5.4 Operators Responsibilities
 An operator shall establish, a minimum equipment list
(MEL) as follows
 the document must provide for the operation of the aircraft,
under specified conditions, with particular instruments, items
of equipment or functions inoperative at the commencement of
the flight;
 the document must be prepared for each individual aircraft,
taking account of the operator's relevant operational and
maintenance conditions; and
 the MEL must be based on the Master Minimum Equipment
List (MMEL), if available, and must not be less restrictive than
the MMEL.
 The prepared MEL shall have authority approval.

5. Air Operation 5. Air Operation

5.4 Operators Responsibilities (Contd.) 5.4 Operators Responsibilities (Contd.)
 The following documents, manuals and information  Each flight crew member shall, on each flight, carry a
shall be carried on each flight: valid flight crew licence with appropriate rating(s) for
 the aircraft flight manual (AFM) the purpose of the flight.
 the original certificate of registration
 the original certificate of airworthiness (C of A)
 the noise certificate
 a certified true copy of the air operator certificate (AOC)
 the original aircraft radio license
 the third Party liability insurance certificate(s)
 the aircraft technical log
 mass and balance documentation
…

5
 5. Air Operation 5. Air Operation
5.5 EU Third Country Operators (TCO) 5.5 EU Third Country Operators (TCO) (Contd.)
 The European TCO regulations (Part-TCO) establishes  The third country operator shall ensure that any
requirements to be followed by a third country person authorized by the Agency or the Member State
operator engaged in commercial air transport in whose territory one of its aircraft has landed will be
operations into, within or out of the EU territory. permitted to board such aircraft, at any time, with or
without prior notice to:
 inspect the documents and manuals to be carried on board to
perform inspections to ensure compliance with Part-TCO and
 to carry out a ramp inspection.

5. Air Operation 5. Air Operation

5.5 EU Third Country Operators (TCO) (Contd.) 5.5 EU Third Country Operators (TCO) (Contd.)
 The third country operator shall comply with:  The third country operator shall ensure that all
 the applicable standards contained in the Annexes to the documents, manuals and records that are required to
Convention on International Civil Aviation, in particular be carried on board are valid and-up-to-date.
 Annex 1 (Personnel licensing),
 Annex 2 (Rules of the Air),
 Prior to engaging in commercial air transport
 Annex 6 (Operation of Aircraft, Part I (International Commercial Air operations under Part-TCO the third country operator
Transport — Aeroplanes) or Part III (International Operations-
shall apply for and obtain an authorisation issued by
Helicopters)), as applicable,
 Annex 8 (Airworthiness of Aircraft), the Agency.
 Annex 18 (Dangerous Goods), and  the applicant shall provide the Agency with any
 Annex 19 (Safety Management);
information needed to assess.
 the relevant requirements of Part-TCO, and
 the applicable Union rules of the air.
 The privileges of the operator shall be listed in the
specifications to the authorisation.

6
 5. Air Operation 5. Air Operation
5.5 EU Third Country Operators (TCO) (Contd.) 5.6 Aeroplane marking and placards
 The authorization shall remain valid subject to:  The aeroplane must contain the specified markings
 the third country operator remaining in compliance with the and placards; and any additional information,
relevant requirements of Part-TCO. instrument markings, and placards required for the
 the validity of the AOC safe operation if there are unusual design, operating,
 the Agency being granted access to the third country operator or handling characteristics.
as specified in TCO
 Each marking and placard prescribed must be
 the third country operator not being subject to an operating
ban displayed in a conspicuous place; and may not be
 the authorisation not being surrendered, suspended or easily erased, disfigured, or obscured.
revoked;
 the third country operator having carried out at least one flight
every 24 calendar months.

5. Air Operation 5. Air Operation

7
5. Air Operation

8
 6. Certification of A/C, parts and appliances

6.1 Certification Rules

6. Certification of aircraft,  Airworthiness and environmental certification of aircraft
and related products, parts and appliances, and of
parts and appliances design and production organisations are under Part-21.
 Part 21 includes the following subparts:
6.1 Certification Rules  Subpart A — General Provisions
6.2 Type Certificates  Subpart B — Type-Certificates And Restricted Type-
6.3 Organisation Approvals Certificates
6.4 Certificate of Airworthiness (C of A)  Subpart C — Not Applicable
6.5 Additional Aircraft Certificates  Subpart D — Changes To Type-Certificates And Restricted
Type-Certificates
 Subpart E — Supplemental Type-Certificates
 Subpart F — Production Without Production Organisation
Approval

6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.1 Certification Rules (Contd.) 6.1 Certification Rules (Contd.)

 Subpart G — Production Organisation Approval  Certification Specifications and guidance materials are
 Subpart H — Airworthiness Certificates developed to facilitate the necessary regulatory
 Subpart I — Noise Certificates uniformity.
 Subpart J — Design Organisation Approval
 The main Certification Specefications for whole aircraft
 Subpart K — Parts And Appliances
design are:
 Subpart L — Not Applicable
 CS-23. Normal, Utility, Aerobatic and Commuter Aeroplanes
 Subpart M — Repairs
 CS-25. Large Aeroplanes
 Subpart N — Not Applicable
 CS-27. Small Rotorcraft
 Subpart O —Technical Standard Order Authorisations
 CS-29. Large Rotorcraft
 Subpart P — Permit to Fly
 Subpart Q — Identification Of Products, Parts And Appliances

1
 6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.2 Type Certificates 6.2 Type Certificates (Contd.)

 Type Certificate is a document issued by an authority  An application for a type-certificate or restricted type-
which indicates that the design of a certain aircraft, certificate shall be made in a form and manner
engine etc has been approved. established by the authority.
 The procedure and the rights and obligations of the  An application for an aircraft type-certificate shall be
applicants for, and holders of, those certificates shall accompanied by
be in accordance with Part-21 Subpart B.  a three-view drawing of the aircraft, and
 Any organisation applying for a type-certificate or  preliminary basic data, including the proposed operating
characteristics and limitations.
restricted type-certificate shall demonstrate its
capability by holding a design organisation approval in
accordance with Part-21 Subpart J.

6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.2 Type Certificates (Contd.) 6.2 Type Certificates (Contd.)

 A type-certificate is considered to include:  A type-certificate shall be issued for an unlimited
 the type design, duration.
 the operating limitations,  They shall remain valid subject to:
 the type-certificate data sheet,  The holder remaining in compliance with this Part; and
 the applicable type-certification basis and environmental  The certificate not being surrendered or revoked.
protection requirements with which the Agency records  The procedure for the approval of major changes to
compliance, and the type design under Supplemental Type Certificate
 any other conditions or limitations procedures, and the rights and obligations of the
 the type-certificate data sheet for noise. applicants for, and holders of, those certificates shall
be in accordance with Part-21 Subpart E

2
 6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.3 Organisation Approvals 6.3 Organisation Approvals (Contd.)

 The procedure for the approval of design organisations  The production organisation shall submit to the
and rules governing the rights and obligations of Competent Authority an organisation exposition
applicants for, and holders of, such approvals shall be including:
in accordance with Part-21 Subpart J.  A statement of compliance signed by the accountable
manager
 The procedure for the issuance of a production
 The title(s) and names of managers
organisation approval for a production organisation
 The duties and responsibilities of the manager(s)
showing conformity of products, parts and appliances
 An organisational chart
with the applicable design data, and the rules governing
 A list of certifying staff
the rights and obligations of the applicant for, and
 A general description of man-power resources
holders of, such approvals shall be in accordance with
 A general description of the facilities
Part-21 Subpart G

6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.3 Organisation Approvals (Contd.) 6.4 Certificate of Airworthiness

 A general description of the production organisation's scope  Airworthiness certificates shall be classified as
of work
follows:
 The procedure for the notification of organisational changes to
 Certificates of airworthiness
the Competent Authority
 shall be issued to aircraft which conform to a type-certificate
 The amendment procedure for the production organisation  Restricted certificates of airworthiness
exposition  shall be issued to aircraft which conform to a restricted type-certificate
 A description of the quality system and the procedures  Permits to fly
 A list of those outside parties  shall be issued to aircraft that do not meet applicable certification
specifications but are capable of safe flight under defined conditions.
(Form 20)

3
 6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.4 Certificate of Airworthiness (Contd.) 6.4 Certificate of Airworthiness (Contd.)

 Each application for a certificate of airworthiness or  The holder of the airworthiness certificate shall
restricted certificate of airworthiness shall include provide access to the aircraft for which that
 the class of airworthiness certificate applied for airworthiness certificate has been issued upon request
 for a new A/C by the competent authority.
 A statement of conformity:
 The competent authority shall issue or amend a
 A weight and balance report with a loading schedule.
 The flight manual Certificate of Airworthiness via Form 25.
 for a used A/C originating from member state/CAO.IRI  In addition to an airworthiness certificate, for a new
 an Airworthiness Review Certificate issued in accordance with Part-M aircraft or used aircraft originating from other states,
 for a used A/C originating from other ICAO contracting states
the competent authority shall issue an initial
 An export certificate of airworthiness
 A weight and balance report
airworthiness review certificate via Form 15a.
 Historical records …

6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.4 Certificate of Airworthiness (Contd.) 6.5 Additional Aircraft Certificates

 An airworthiness certificate shall be issued for  Certificate of Registration: Each A/C must be
 EASA: an unlimited duration registered to a national authority and has its own
 CAO.IRI: not exceeding three year registration number and its national amblem.
 CofA shall remain valid subject to:  Each Noise Certificate application shall include:
 compliance with the applicable type-design and continuing  with regard to new aircraft:
airworthiness requirements; and  A statement of conformity, and
 The noise information determined in accordance with the applicable noise
 the aircraft remaining on the same register; and requirements.
 the type-certificate or restricted type-certificate under which it  with regard to used aircraft:
is issued not being previously invalidated; and  The noise information determined in accordance with the applicable noise
requirements., and
 the certificate not being surrendered or revoked.
 Historical records to establish the production, modification, and
maintenance standard of the aircraft.

4
 6. Certification of A/C, parts and appliances 6. Certification of A/C, parts and appliances

6.5 Additional Aircraft Certificates (Contd.) 6.5 Additional Aircraft Certificates (Contd.)
 The competent authority issue or am( end )noise  Ranges of weights and centres of gravity within which
certificates via Form 45. the aeroplane may be safely operated must be
 A noise certificate shall be issued for established.
 EASA: an unlimited duration  The extreme forward and the extreme aft centre of
 CAO.IRI: not exceeding more than one year. gravity limitations must be established for each
 It shall remain valid subject to: practicably separable operating condition.
 compliance with the applicable type-design, environmental  No such limit may lie beyond:
protection and continuing airworthiness requirements; and
 The extremes selected by the applicant;
 the aircraft remaining on the same register; and
 The extremes within which the structure is proven; or
 the type-certificate or restricted type-certificate under which it
 The extremes within which compliance with each applicable
is issued not being previously invalidated; and
flight requirement is shown.
 the certificate not being surrendered or revoked.

5
 7. Applicable National and International Requirements
6.1 Certification Rules
7. Applicable National and
International Requirements

Civil Aviation Regulations of IR. IRAN

Continued validity of the AML
CAD 0066 Aircraft Maintenance  The AML becomes invalid 3 years after its last issue or
amendment ...
Licensing
 ... unless the holder submits his/her aircraft
maintenance licence to the CAO.IRI, in order to verify
that the information contained in the licence is the
same as that contained in the CAO.IRI records.

1
 Type/task training and ratings Type/task training and ratings (Contd.)
 For a Cat. A AML the training shall include practical  For Cat. B1, B2 and C AML satisfactory completion of
hands on training and theoretical training as approved aircraft type training, shall be demonstrated
appropriate for each task authorised. Satisfactory by the examination. The examinations shall be
completion of training shall be demonstrated in two conducted in two steps as follow:
step as follow:  by an examination and/or by workplace assessment carried
 by an examination and/or by workplace assessment carried out by an appropriate approved Part-147 or Part-145
out by an appropriate approved Part-147 or Part-145 organisation; and
organisation; and  by the CAO.IRI including theoretical and practical examination.
 by theoretical and practical examination carried out by the
CAO.IRI.

Renewal of an AML validity Aircraft/engine maintenance equivalent licence

 The holder of an AML shall complete the relevant parts  The CAD 0066 Subpart C establishes the requirements
of CAO.IRI Form 19 and submit it to the CAO.IRI at for the issue of an aircraft/engine maintenance
least 1 month, but not more than 2 months, before the equivalent licence and conditions of its validity.
date of expiry of the licence.  An applicant for an aircraft/engine maintenance
equivalent licence shall has valid AML issued by the
 Required documents: ICAO Contracting States (according to annex 1)
 the holder's copy of the licence,  The privileges of the aircraft maintenance equivalent
 the Evidence of required experience, licence shall not extend beyond the privileges of the
 the Evidence of required recurrent training including human original licence issued by the ICAO Contracting States.
performance, and
 the Medical approval

2
 Aircraft/engine maintenance
(Contd.)
equivalent licence Work Shop Activity Maintenance Licence
 The privileges of the aircraft maintenance equivalent  Those activities perform in workshops are called Work
licence shall be determine case by case by the Shop Activities.
CAO.IRI.
 The relevant regulations are in accordance with
 Basic knowledge and Experience requirements of the Subpart D.
license shall not be less than requirement of annex 1.
 The licence issued for work shop activity are:
 Basic knowledge and Type/task training shall be
 Cat. D AML excluding NDT , and
demonstrated by an examination or interview
 NDT AML
conducted by the CAO.IRI.
 The validity of the equivalent licence shall not extend
beyond the period of validity of the original licence.
 The equivalent licence becomes invalid 1 year.

Cat. D AML General Cat. D AML privileges

 An organisation which has been appropriately  A Cat. D AML permits the holder to issue certificates of
authorized by the CAO.IRI to issued and/or amended release to service following tasks within the limitations
category D AML is called Authorised organization. of the authorisation:
 The eligibility for such licence is the same as other  workshop activity,

AML types.  scheduled maintenance,

 defect rectification,
 The Cat. D AML becomes invalid 3 years after its last
 inspection,
issue or amendment. This licence is only valid inside
 test and/or repair
the organisation which issued for it.

3
 Cat. D AML privileges (Contd.) Cat. D AML Basic Knowledge
 The holder of that licence may not exercise  An applicant for a Cat. D licence shall demonstrate, by
certification privileges unless in the preceding two- examination, a level of basic knowledge in the
year period he/she has, either had six months of appropriate A or B1/B2 subject modules.
maintenance experience in accordance with the  The basic knowledge examinations shall be conducted
privileges granted by the Cat. D licence or, met the in two steps:
provision for the issue of the appropriate privileges.  by an approved training organisation under CAD 14701, and
 by the CAO.IRI.

Cat. D AML Task Training Cat. D AML Task Training (Contd.)

 The holder of a Cat. D AML may only exercise  The training shall include
certification privileges following the satisfactory  practical hands on training and
completion of the relevant category D aircraft task  theoretical training.
training carried out by an organisation appropriately  Satisfactory completion of training shall be
approved/accepted by the CAO.IRI. demonstrated in two steps:
 by an examination and/or by workplace assessment carried
out by an organisation approved/accepted by the CAO.IRI, and
 by an examination or verification of the examination carried
out by the authorised organisation quality department.

4
 Cat. D AML Experience requirements NDT Aircraft Maintenance Licence
 An applicant for a Cat. D AML shall have acquired the  NDT Aircraft Maintenance Licence can be issued for
following practical maintenance experience: the following common NDT methods:
 three years, if the applicant has no previous relevant technical  Liquid penetrant (PT)
training; or  Magnetic particle (MT)
 two years plus completion of training considered relevant by  Eddy current (ET)
the CAO.IRI as a skilled worker, or  Ultrasonic (UT)
 one year plus satisfactory completion of a Part-147 approved  Radiography (RT)
basic training course.
 Remote Visual Testing (RVT)
 Infrared Testing (IRT)

7. Applicable National and International Requirements 7. Applicable National and International Requirements

NDT AML NDT AML Application

 The requirements for the issue of a NDT Aircraft  An application for a Limited Level 1, level 1 and level 2
Maintenance Licence and conditions of its validity and NDT AML or amendment to such licence shall be made
use shall be established by Iranian National Aerospace in a form and manner established by the Cognizant
NDT Board (INANDTB). NDT organizations according to written practice.
 The levels requiring certification in accordance with  An applicant for a level 3 NDT AML or amendment to
this subpart are: such licence shall complete the CAO.IRI Form 19 and
 Level 1 submit it to the CAO.IRI.
 Limited Level 1
 Level 2
 Level 3

5
 7. Applicable National and International Requirements 7. Applicable National and International Requirements

NDT AML Eligibility Limited Level 1 NDT AML Privileges

 For eligibility, the applicant should have the same  to performed the tasks which is approved by the prime
conditions as for AML and additionally should have contractor responsible Level 3
medical approval including Near Vision and Color
Perception.

7. Applicable National and International Requirements 7. Applicable National and International Requirements

Level 1 NDT AML Privileges Level 2 NDT AML Privileges

 For Level 1, to perform  to set up and standardize equipment,
 equipment standardization,  conduct tests,
 carry out any necessary preparation of parts before or after
 interpret and evaluate,
inspection (in accordance with written instructions approved
by the appropriate level 3),  provide the necessary guidance and/or supervision to
 follow written instructions in the techniques/methods for trainees and level 1 personnel, ...
which certified,
 receive guidance or supervision from a level 2 or 3,
 ...;

6
 7. Applicable National and International Requirements 7. Applicable National and International Requirements
Level 3 NDT AML Privileges NDT Written Practice
 to Interpret codes,  Written Practice is a procedure that describes the
 standards, regulations, and other contractual documents, assume control and administration of NDT personnel
technical responsibility for the NDT facility and staff,
qualification and certification.
 select the method and technique for a specific inspection,
 A cognizant NDT organization shall develop written
 prepare and verifying the adequacy of procedures in the method
certified,
practice in accordance with CAD 0066 Appendix VIII.
 approve NDT procedures and other NDT-related work
instructions,
 provide or directing training, examination, and certification of
personnel,
 audit outside agencies, ...

7. Applicable National and International Requirements 7. Applicable National and International Requirements
NDT Training NDT practical Experience Requirement
 All NDT training shall be documented and in  The applicant for NDT AML shall have sufficient
accordance with written practice. practical experience to assure that they are capable of
 The minimum training hours are stated in 66.A.390 and performing the duties The minimum experience
Table 1. requirements are stated in 66.A.390 and Table 2 and 3.

7
 7. Applicable National and International Requirements 7. Applicable National and International Requirements
Continued validity of the NDT AML Requirements Engine Maintenance Licence
 Level 1 Limited, 1 years after its last issue or  The requirements for the issue of an Engine
amendment, unless the responsible Level 3 verifies the Maintenance Licence and conditions of its validity and
information contained in the licence use are covered in Subpart E.
 level 1 and level 2, 3 years after its last issue or  Engine Maintenance Licence may be referring to as
amendment, unless the responsible Level 3 verifies the category E Maintenance Licence.
information contained in the licence  An Engine Maintenance Licence permits the holder to
 level 3, 3 years after its last issue or amendment, issue certificates of release to service following
unless the CAO.IRI verifies the information contained maintenance, inspection, repair, defect rectification
in the licence and overhaul on engine when not install on the aircraft.

7. Applicable National and International Requirements 7. Applicable National and International Requirements

EML Basic Knowledge Requirements EML Validity

 An applicant for an engine maintenance licence shall  The Engine Maintenance Licence becomes invalid 3
demonstrate, by examination, a level of basic years after its last issue or amendment, unless the
knowledge in the appropriate subject modules in holder submits his/her licence to the CAO.IRI for
accordance with CAD 0066 Appendix I. verification.
 The basic knowledge examinations shall be conducted
in two steps: by an approved training organisation, by
the CAO.IRI.

8
 7. Applicable National and International Requirements 7. Applicable National and International Requirements
EML Type Rating EML Practical Experience Requirements
 The holder of an engine maintenance licence shall only exercise  three years if the applicant has no previous relevant
certification privileges on a specific engine type when the engine
maintenance licence is endorsed with the appropriate engine type rating. technical training; or
 Ratings shall be granted following satisfactory completion of the relevant  two years plus completion of training considered
engine type training approved by the CAO.IRI and conducted by an
approved Part-147 maintenance training organisation. relevant by the CAO.IRI as a skilled worker; or
 Engine approved type training shall include theoretical and practical  one year plus completion of a Part-147 approved basic
elements.
 Satisfactory completion of approved engine type training shall be
training course.
demonstrated by the examination.
 The examinations (including theoretical and practical examination) shall
be conducted in two steps:
 by an examination carried out by an appropriate approved Part-147 or Part-
145/Part M organisation, and
 by the CAO.IRI.

7. Applicable National and International Requirements Civil Aviation Regulations of IR. IRAN
Aircraft/Engine Maintenance Temporary
Authorization
 The requirements for the issue of an aircraft/engine
maintenance temporary authorization and conditions CAD 14701
of its validity and use are covered in Subpart F.
 The privileges of the aircraft/engine maintenance
temporary authorization shall be determine case by
case by the CAO.IRI.
 The aircraft/engine maintenance temporary
authorization becomes invalid 6 months after its last
issue or amendment.

9
 Contents Contents (Cond.)
 GENERAL  Maintenance training organisation exposition
 Privileges of the maintenance training organisation
 ORGANISATIONAL REQUIREMENTS
 Changes to the maintenance training organisation
 Facility requirements
 Continued validity
 Personnel requirements
 Findings
 Records of instructors, examiners and assessors
 Instructional equipment  THE APPROVED BASIC TRAINING COURSE
 Admission (CAO.IRI only)  The approved basic training course
 Maintenance training material  Basic knowledge examinations
 Records  Basic practical assessment
 Training procedures and quality system  AIRCRAFT TYPE/TASK TRAINING
 Examinations  Aircraft type/task training

Contents (Cond.) Scope (147.A.05)

 Aircraft type examinations and task assessments The following contents establishes the requirements to
 PROCEDURE FOR THE CAO.IRI (CAO.IRI only) be met by organisations seeking approval to conduct
 PROCEDURE FOR COMPETENT AUTHORITY training and examination as specified in Part-66.

10
 Facility size and structure (147.A.100(a))
 The size and structure of facilities shall ensure
Facility requirements  protection from the prevailing weather elements, and
 proper operation of all planned training and examination
on any particular day.

Theory instruction and examination regarding Theory instruction and examination regarding (Cond.)
 For the instruction of theory and the conduct of  Required class room should be at least 1.4 Sq.Mts.
knowledge examinations the appropriate areas per student. (CAO.IRI 147.A.100(b))
accommodation shall be
 fully enclosed, and
 accommodation environment shall be maintained such
 separate from other facilities.
that students are able to concentrate on their studies
(147.A.100(b))
or examination without undue distraction or
discomfort. (147.A.100(c))
 The maximum number of students undergoing
knowledge training shall not exceed 28. (147.A.100(b))

11
 Practical trainings regarding Supporting facilities
 For practical instruction of the basic training course,  Office accommodation shall be provided for
basic training workshops and/or maintenance facilities instructors, knowledge examiners and practical
separate from training classrooms shall be provided. assessors of a standard to ensure that they can
(147.A.100(d))
prepare for their duties without undue distraction or
 For an aircraft type/task training course, access shall discomfort. (147.A.100(g))
be provided to appropriate facilities containing
examples of related aircraft type. (147.A.100(e))  Secure storage facilities shall be provided for
examination papers and training records. (147.A.100(h))
 The maximum number of students undergoing
practical training shall not exceed 15 per assessor.
(147.A.100(f))

Supporting facilities (contd.) Supporting facilities (contd.)

 A library shall be provided containing all technical  These documentations should represent typical examples for
both large and small aircraft and cover both aeroplanes and
material appropriate to the scope and level of training
helicopters as appropriate.
undertaken.
 All the documentations should be reviewed and updated on a
 For approved basic courses holding and ensuring reasonable
regular basis.
access to the following items are required:
(147.A.100(i), AMC 147.A.100(i))
 copies of all Parts and national ,
 examples of typical aircraft maintenance manuals and service bulletins,
 airworthiness directives,
 aircraft and component records,
 release documentation,
 procedures manuals and
 aircraft maintenance programmes.

12
 Training Books (CAO.IRI 147.A.100 (j))
 One set of books per 10 students should be procured
by the institute for issue to the students as course text Personnel requirements
books.

 Adequate number of suggested reference books

should also be made available in the library.

 The Library/training organisation should be equipped

with photocopier and sufficient numbers of computers
with access to internet facility for students.

Accountable manager Managers

 The organisation shall appoint an accountable  A person or group of persons, whose responsibilities
manager who has corporate authority for ensuring that include ensuring that the maintenance training
all training commitments can be financed and carried organisation is in compliance the requirements of this
out to the standard required by this Part. (147.A.105(a)) Part, shall be nominated. (147.A.105(b))
 A large maintenance training organisation (an
organisation with the capacity to provide training for
50 students or more) should appoint a training
manager with the responsibility of managing the
training organisation on a day to day basis. Such
person could also be the accountable manager. (AMC
147.A.105)

13
 Managers (contd.) Instructors/assessors
 A large maintenance training organisation should  The organisation shall contract/nominate sufficient
appoint a quality manager with the responsibility of staff to plan/perform knowledge and practical training,
managing the quality system and an examination conduct knowledge examinations and practical
manager with the responsibility of managing the assessments. (147.A.105(c))
relevant Part147 examination system. Such person(s)  Any person may carry out any combination of the roles
may also be an instructor and/or examiner. (AMC 147.A.105) of instructor, examiner and assessor. (147.A.105(e))
 With the exception of the accountable manager, EASA  The experience and qualifications of instructors,
Form 4 should be completed for each person knowledge examiners and practical assessors shall be
nominated to hold a position. (AMC 147.A.105(b)) established as an officially recognised standard.
(147.A.105(f))

Instructors/assessors (contd.) Instructors/assessors (contd.)

 (CAO.IRI Only) The instructors, knowledge examiners  4. Instructors assigned to teach Air Law & Airworthiness
requirements in addition should have passed courses required
and practical assessors for basic training shall have
by CAO.IRI and have related experience in this filed .
the following minimum qualifications and experience:
 1. Aircraft maintenance licence with or without type rating ;and
 2. Degree in Engineering in Aircraft Maintenance/ Aerospace
/Aeronautical/ Mechanical /Electrical/Electronic engineering
;and
 3. Two years practical/instructional experience in aviation
industry for holders of aircraft maintenance or avionic
Engineering degree, and Three years practical/instructional
experience in aviation industry for others ;and

14
 Instructors/assessors (contd.) Instructors/assessors (contd.)
 The knowledge examiners and practical assessors  A training school requires at least two instructors for
shall be specified in the organisation exposition. (EASA each range of subjects to ensure continuity of program
147.A.105(g))
in the event one instructor being absent. (CAO.IRI
147.A.105(h))

 The maintenance training organisation may provide

specialised instructors, who have not aircraft
maintenance licence, to teach mathematics, physics,
basic electricity, basic hydraulics, drawing, and similar
subjects. (CAO.IRI 147.A.105(g))

Instructors/assessors (contd.) Instructors/assessors (contd.)

 The training organisation shall employ the minimum  Instructors and knowledge examiners shall undergo
instructors per 30 students as given below: updating training at least every 24 months relevant to
 1. Airframe Instructor – 1  current technology,
 2. Powerplant Instructor – 1  practical skills,
 3. Materials, Workshop Practices Instructor – 1  human factors, and
 4. Electrical, Instrument and Radio Instructor - 1 each  the latest training techniques
 5. Computer Instructor – 1 appropriate to the knowledge being trained or
 6. Workshop Demonstrators - 3 examined.
(CAO.IRI 147.A.105(h))

15
 Instructors/assessors (contd.) Instructors/assessors (contd.)
 Updating training should normally be of 35 hours  The instructors, knowledge examiners and practical
duration but may be adjusted to the scope of training assessors for type/task training shall have the
of the organisation and particular instructor/examiner. following minimum qualifications and experience :
(AMC 147.A.105(h))
 1. Aircraft maintenance licence with type rating on related
aircraft ;and
 2. Five years practical/instructional experience in aviation
industry ;and
 3. Two years practical/instructional experience in related
aircraft.
 (CA.IRI 147.A.105(K))

Records of instructors, examiners and assessors

 The organisation shall maintain a record of all
Records  instructors
 knowledge examiners, and
 practical assessors.
(147.A.110(a))

 These records shall reflect

 the experience
 qualification
 training history, and
 any subsequent training undertaken.
(147.A.110(a))

16
Records of instructors, examiners and assessors Records of student affairs
(contd.)
 Terms of reference shall be drawn up for all  The organisation shall keep all student training,
 Instructors examination and assessment records for at least five
 knowledge examiners, and years.
 practical assessors. (147.A.125)
(147.A.110(b))

presentation equipment
 Each classroom shall have appropriate presentation
Instructional equipment equipment that ensures students can easily read
presentation text/drawings/diagrams and figures from
any position in the classroom. (147.A.115(a))

 Presentation equipment shall include representative

synthetic training devices to assist students in their
understanding of the particular subject matter where
such devices are considered beneficial for such
purposes. (147.A.115(a))

17
 Basic training Type training
 The basic training workshops and/or maintenance  The aircraft type training organisation must have
facilities must have access to the appropriate aircraft type. (147.A.115(d))
 all tools and equipment necessary to perform the approved
scope of training.
 Synthetic training devices may be used when such
 an appropriate selection of aircraft, engines, aircraft parts and
avionic equipment.
synthetic training devices ensure adequate training
(147.A.115(b), (c)) standards. (147.A.115(d))

Basic training
 Maintenance training course material shall be provided
Maintenance training material to the student. (147.A.120(a))

 This material covers the basic knowledge syllabus

specified in Part-66 for the relevant aircraft
maintenance licence category or subcategory.
(147.A.120(a))

18
 Type training Access to the documentation
 Maintenance training course material shall be provided  Students shall have access to examples of
to the student. (147.A.120(a)) maintenance documentation and technical information
of the library. (147.A.120(b))
 This material covers the type course content required
by Part-66 for the relevant aircraft type and aircraft
maintenance licence category or subcategory.
(147.A.120(a))

Quality system structure

 The quality system of the organisation shall include:
Quality system  an independent audit function, and
 a feedback system of audit findings
(147.A.130(b))

19
 Audit procedure Audit procedure (contd.)
 Generally an independent audit function is intended to  The Part-147 compliance of the organisation should be
monitor: checked at least once in every 12 months.
 training standards  This check may be carried out through
 the integrity of knowledge examinations and practical  one complete single exercise, or
assessments, and
 subdivided over a 12-month period
 compliance with the procedures (AMC 147.A.130(b))
(147.A.130(b))

 The independence of the audit system should be

established by always ensuring that audits are carried
out by personnel not responsible for the function or
procedure being checked. (AMC 147.A.130(b))

Audit procedure (contd.) Combination of quality systems

 In a small maintenance training organisation the  Where the maintenance training organisation is also
independent audit function may be contracted to approved to another Part requiring a quality system,
 another maintenance training organisation approved under then such quality systems may be combined. (AMC
Part-147, or 147.A.130(b))

 a competent person acceptable to the competent authority.

 Where the small training organisation chooses to
contract the audit function it is conditional on the audit
being carried out twice in every 12 month period with
one such audit being unannounced. (AMC 147.A.130(b))

20
 Feedback system Feedback system
 The quality system shall include a feedback system of  The quality system shall also contain:(CAO.IRI 147.A.130 (c))
audit findings to the person(s) and ultimately to the  1. a procedure to ensure quality indicators, including defect
accountable manager to ensure, as necessary, and incident reports, and personnel and customer feedback,
are monitored; and
corrective action. (147.A.130(b))
 2. a procedure for preventive action; and
 3. management review procedures, which shall include the use
of statistical analysis, to ensure the continuing suitability and
effectiveness of the internal quality assurance
 4. Document issue, approval, or change procedure
 5. Records completion and retention procedure
 6. Procedure for competency and selection of the training
instructors, knowledge examiners and practical assessors.

Admission (CAO.IRI 147.A.117)

 The students shall have high school graduation
ADMISSION certificate or higher before they are admitted to the
training organisation.

 The students shall be subjected to a medical

examination before they are admitted to the training
organisation.

21
 Knowledge examination
 Examinations may be computer or hard copy based or
Evaluation system a combination of both. (AMC 147.A.135)
 The actual questions to be used should be determined
by the examination staff. (AMC 147.A.135)
 The examination staff shall ensure the security of all
questions. (147.A.135(a))

Cheating Cheating (contd.)

 Any student found to be cheating shall be disqualified  Any examiner found to be providing question answers
from taking the examination and may not take any to any student being examined shall be disqualified
examination for at least 12 months after the date of the from acting as an examiner and the examination
incident. declared void.
 The competent authority shall be informed of any such  The competent authority must be informed of any such
incident together with the details of any enquiry within occurrence within one calendar month. (147.A.135(c))
one calendar month. (147.A.135(b))

22
 MTOE generals
Maintenance training  The organisation shall provide an exposition
describing the organisation and its procedures.
organisation exposition (147.A.140(a))

 The maintenance training organisation's exposition

(MTOE) and any subsequent amendments shall be approved
by the competent authority. (147.A.140(b))
 Minor amendments to the exposition may be approved
through an exposition procedure (hereinafter called
indirect approval). (147.A.140(c))

MTOE structure (AMC Appendix I) MTOE structure (contd.)

 Whilst the following format is recommended it is not  PART 1 – MANAGEMENT
mandatory to assemble the MTOE in this manner as  1.1 Corporate commitment by accountable manager
long as a cross reference index is included in the  1.2 Management personnel
MTOE as an appendix and the Part 1 items remain in  1.3 Duties and responsibilities of management personnel,
Part 1. instructors, knowledge examiners and practical assessor
 1.4 Management personnel organisation chart
 1.5 List of instructional and examination staff
 1.6 List of approved addresses
 1.7 List of sub-contractors
 1.8 General description of facilities at paragraph 1.6 addresses

23
 MTOE structure (contd.) MTOE structure (contd.)
 1.9 Specific list of courses approved by the competent  2.4 Preparation of workshops/maintenance facilities and
authority equipment
 1.10 Notification procedures regarding changes to  2.5 Conduct of basic knowledge & practical training
organisation  2.6 Records of training carried out
 1.11 Exposition and associated manuals amendment  2.7 Storage of training records
procedure  2.8 Training at locations not listed in paragraph 1.6
 2.9 Organisation of examinations
 PART 2 – TRAINING AND EXAMINATION
 2.10 Security and preparation of examination material
PROCEDURES
 2.11 Preparation of examination rooms
 2.1 Organisation of courses
 2.12 Conduct of examinations
 2.2 Preparation of course material  2.13 Conduct of basic practical assessments
 2.3 Preparation of classrooms and equipment  2.14 Marking and record of examinations

MTOE structure (contd.) MTOE structure (contd.)

 2.15 Storage of examination records  3.6 Qualifying the instructors
 2.16 Examinations at locations not listed in paragraph 1.6  3.7 Qualifying the examiners
 2.17 Preparation, control & issue of basic training course  3.8 Records of qualified instructors & examiners
certificates
 PART 4 – APPENDICES
 2.18 Control of sub-contractors
 4.1 Example of documents and forms used
 PART 3 – TRAINING SYSTEM QUALITY PROCEDURES  4.2 Syllabus of each training course
 3.1 Audit of training  4.3 Cross reference Index - if applicable
 3.2 Audit of examinations
 3.3 Analysis of examination results
 3.4 Audit and analysis remedial action
 3.5 Accountable manager annual review

24
 Privileges list (EASA & CAO.IRI)
Privileges of approved training  The maintenance training organisation may carry out
the following as permitted by and in accordance with
organisation the maintenance training organisation exposition:
 basic training courses to the Part-66 syllabus, or part thereof
 aircraft type/task training courses in accordance with Part-66
 the examinations on behalf of the competent authority
 the issue of certificates in accordance with Appendix III
following successful completion of the approved basic or
aircraft type training courses and examinations
(147.A.145(a))

Additional Privileges list for CAO.IRI only Privileges notes

 Issue letter of recommendation for graduated student  The maintenance training organisation may carry out
for the CAO.IRI examination or signing the CAO.IRI the examination of students who did not attend the
basic or aircraft type training course at the
form 19 .
maintenance training organisation. (147.A.145(a))
 Develop conversion report
 Develop examination credit report  An organisation may not be approved to conduct only
examinations unless approved to conduct training.
(147.A.145(e))

25
 Changes notifying
 The maintenance training organisation shall notify the
Factors affecting approval competent authority of any proposed changes to the
organisation that affect the approval before any such
change takes place. (147.A.150(a))

 The competent authority may prescribe the conditions

under which the maintenance training organisation
may operate during such changes. (147.A.150(b))

 Failure to inform the competent authority of such

changes may result in suspension or revocation of the
maintenance training organisation approval. (147.A.150(c))

Continued validity
 (EASA) An approval shall be issued for an unlimited
duration. It shall remain valid subject to: Findings
 the organisation remaining in compliance with this Part, and
 the competent authority being granted access to the
organisation, and
 the certificate not being surrendered or revoked.
(147.A.155)

 (CAO.IRI) An approval shall be issued for a duration

not exceeded 1 year and it shall remain valid subject to
...

26
 Level 1 Level 2
 A level 1 finding is one or more of the following:  A level 2 finding is any non-compliance with the
 any significant non-compliance with the examination process training process other than level 1 findings.
which would invalidate the examination(s)
(147.A.160(b))
 failure to give the competent authority access to the
organisation's facilities during normal operating hours after
two written requests
 the lack of an accountable manager
 a significant non-compliance with the training process
(147.A.160(a))

Approved basic training course specifications

 The approved basic training course shall consist of:
Basic Training Course  knowledge training,
 knowledge examination,
 practical training, and
 practical assessment.
(147.A.160(b))

 The duration of basic training courses shall be in

accordance with Appendix I.

27
Minimum duration of complete basic courses Duration of conversion courses (AMC 147.A.200(g))
(Appendix I)  Typical conversion durations are given below:
 for conversion from holding a Part-66 AML in subcategory A1
to subcategory B1.1 or B2, not be less than 1600 hours
 The course should include between 60% and 70% knowledge training.
 for conversion from holding a Part-66 AML in subcategory A1
to subcategory B1.1 combined with B2, not less than 2200
hours.
 The course should include between 60% and 70% knowledge training.
 from holding a Part-66 AML in subcategory B1.1 to B2 or
category B2 to B1.1, not less than 600 hours
 The course should include between 80% and 85% knowledge training.
 for conversion from holding a Part-66 AML in subcategory
B1.2 to subcategory B1.1, not less than 400 hours
 The course should include between 50% and 60% knowledge training.
Note: A training hour means 60 minutes training, without pauses.

Duration of conversion courses Basic knowledge training and examination

 for conversion from holding a Part-66 AML in one subcategory
(contd.)  The knowledge training element shall cover the subject
A to another subcategory A, not less than 70 hours
matter for a category or subcategory A, B1 or B2
 The course should include between 30% and 40% knowledge training.
aircraft maintenance licence as specified in Part-66.
(147.A.200(b))

 The knowledge examination element shall cover a

representative cross section of subject matter from the
training element. (147.A.200(c))

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 Basic practical training and assessment Basic practical training and assessment (contd.)
 The practical training element shall cover:  An assessed pass for each student should be granted
 the practical use of common tooling/equipment, and when the practical assessor is satisfied that the
 the disassembly/assembly of a representative selection of student meets the required criteria and the student has
aircraft parts, and
demonstrated the capability:
 the participation in representative maintenance activities
 to use relevant tools/equipment/test equipment
(147.A.200(d))
 to use of maintenance manuals
 The practical assessment element shall cover the  to carry out the required inspection/testing without missing
practical training and determine whether the student is any defects
 to readily identify the location of components
competent at using tools and equipment and working
 of correct removal/fitment/adjustment of such components.
in accordance with maintenance manuals. (147.A.200(e)) (AMC 147.A.210(b))

Basic practical training and assessment

 The student should also show (contd.)
 an appreciation of the need to ensure clean working Aircraft type/task training
conditions, and
 the observance of safety precautions
 for the student, and
 the product
 a responsible attitude in respect to flight safety and
airworthiness of the aircraft.
(AMC 147.A.210(b))

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 A/C type training divisions (AMC 147.A.300) A/C type training divisions (contd.)
 Aircraft type training may be sub-divided to  Airframe type training means type training including all
 airframe type training, relevant aircraft structure and systems excluding the
 powerplant type training, or powerplant.
 avionic systems type training
 Powerplant type training means type training on the
bare engine, including the build-up to a quick engine
 A maintenance training organisation may be approved
change unit.
to conduct
 Avionic systems type training means type training on
 airframe type training only,
 powerplant type training only, or avionics systems covered by but not necessarily
 avionics systems type training only limited to chapters 22, 23, 25, 27, 31, 33, 34, 45, 46, 73
and 77 or equivalent.

7. Applicable National and International Requirements

THANK YOU
FOR YOUR ATTENTION!

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