C172R
All information below extracted from Pilot’s Operating Handbook. For reference only.
ENGINE OIL T. OIL P. OIL QTY.
Textron Lycoming Min 100 F Min 20 PSI Total 9 US QTZ
IO-360-L2A Max 245 F Max 115 PSI Sump 8 US QTZ
4 Cylinder Op. 100 - 245 F Op. 50 - 90 PSI Min 5 US QTZ
Horizontally Opposed
Direct Drive
Naturally Aspirated 0 HRS 50 HRS LIFETIME
Air cooled
Internal Combustion
Fuel injected MIL-L-6082 MIL-L-22851
360 CU. IN. DISP SAE-J-1966 SAE-J-1899
2400 RPM ; 160 BHP
VACUUM WING LOADING POWER LOADING
4.5-5.5 INHG 14.1 LBS/ SQFT 15.3 LBS/HP
Suction for DGI & AH
PROPELLER UNDERCARRIAGE
McCauley Propeller Systems 30 Tricycle
1C235/LFA7570
10
Twin blade 34 PSI MLG - Tubular Spring
Fixed Pitch 6PLY steel leg
GND clearance 11.25’’
75 inches. 28PSI 28PSI NLG - Oleo Pneumatic
4PLY 4PLY strut
Brakes - On MLG only,
Brake fluid - MIL L 5606 type - Single disc
hydraulically actuated
FLAPS CHECKS WEIGHTS (LBS)
Single Slotted 1) Mag Drop RAMP 2457
2) Static RPM
Driven electrically by - 1800 RPM T/O & LDG 2450
- Full throttle
Motor in the right wing - Drop < 150 USEFUL 818
- 2065 to 2165
10 AMP CB - Diff 50 SEW 1639
0, 10, 20, 30 positions BAGG 120
Mechanical stops at
10, 20, 30 L BOTH MAX 120
R START
BATT 24V DC
OFF
ALT 28V, 60AMP
A B
MAX 120 MAX 50
FUEL PERFORMANCE
SPEED
AVGAS 100 LL (Blue) OR AVGAS 100 (Green) MAX AT SL …………………………………… 123KTS
CRUISE 80% PWR AT 8,000 FT……..122KTS
TOTAL FUEL CAPACITY - 56 USG
USABLE FUEL CAPACITY - 53 USG CRUISE
80% PWR 8,000FT ………… 580NM 4.8 HRS
60% PWR 10,000 FT ….… 687 NM 6.6 HRS
28 USG 28 USG ROC AT SL ……………………………… 720 FPM
TAKE OFF
1.5 USG 1.5 USG GND ROLL ………………………………………… 945’
DIST 50 FT ………………………………………1685’
FUEL SELECTOR LANDING
BOTH FOR T/O & LDG. CLIMB & DESCENT GND ROLL ………………………………………550’
DIST 50FT ………………………………………1295’
L/R ONLY IN CRUISE
SERVICE CEILING ………………………… 13,500
FUEL QTY INDICATION ENROUTE climb at SL …………… 75 - 85 KTS
0 - 1.5 USG RED (Best speed : combo of engine perf, cooling
1.5 - 5 USG YELLOW & visibility outside since nose low)
5 - 24 USG GREEN
UN-COORDINATED FLIGHT
WITH 1 TANK EMPTY OR 1/4 CAPACITY
OR LESS PERMITTED FOR 30 S MAX
FUEL DRAIN VALVES
5 UNDER EACH WING
3 UNDER THE BELLY
GENERAL NOTES
- For max cabin heat, push cabin air in & Pull cabin heat out.
- Stall warning is activated 5 - 10 kts above stalling speed in all conditions
- On encountering ICING, the appropriate action is turn back or change altitude
- Aircraft is DAY NIGHT IFR VFR approved
- No aerobatic manoeuvres, only acrobatic manoeuvres approved
- Utility category means backseat & baggage empty
- To minimise compass card swings, choose easterly or westerly heading
- Voltmeter/OAT/CLOCK Pushing upper control button - E F C E. Takes 3 Sec to start.
- To apply parking brake, apply brake pressure - pull handle 90 - release brake press.
- Normal fuel flow range is 0 - 11 GPH.
- You can fill till a minimum of 17.5 Gallons to allow for more cabin load
- Isopropyl alcohol max 1% & DiEGME max 0.10/0.15 %
SPEEDS CG LIMITS EGT LIMIT CHT LIMIT
VSO 33 1950 LBS 1250 - 1650 F 200 - 500 F
VS 44 FWS : 35’’
VX 60 AFT : 47.3’’
VY 79
LOAD FACTOR LIMITS
VA 2450 LBS
2450 99 FWD : 40’’ 2450 LBS
2000 92 AFT: 47.3’’ WOF -1.52G
1600 82 +3.8G
DATUM - Lower portion WF +3G
VR 55 Of front face of firewall
VFE 10 110
VFE 20 30 85 All inches aft of datum
VNO 129 White arc ; 33 - 85
VNE 163 Green arc ; 44 - 129
VG WF 60 Yellow arc ; 129 - 163
WOF 65 ARC ON ASI
GENERAL NOTES
- Fire on ground ; THROTTLE FULL OPEN, MIXTURE IDLE CUT OFF
- Engine failure during take off roll; FIRST THROTTLE IDLE
- Landing with Flat MLG - Flaps 30. Landing with Flat NLG - Flaps as required
- Airspeed when engine fails after take off - 65KTS WOF, 60KTS WF
- Max airspeed & altimeter variation over normal operating range - 4KTS & 30FT.
- Magneto malfunction - Misfiring, Spark plug fault - Loss of RPM
- Weak intermittent firing followed by black exhaust - Over priming
- Examination of fuel after each refuelling & before the 1st flight of the day
- Recommended start duty cycle. 10s ON, 20s OFF, 3 TIMES followed by 10 min break
- Oil pressure, 30s to register in normal. 60s in cold weather
- Until 50 hrs of engine ops, max power during cruise - 80% only
- Carb icing. Drop in RPM or Drop in manifold pressure is the indication.
- An open alternator door will result in approximate 10% power loss
- If microphone key (PPT) is pressed for 33s or more, transmission is discontinued
- 760 Channel VHF comm is from 118.00 to 136.975 MHz (25 kHz spacing)
- 200 Channel VHF navigation is from 108.00 to 117.95 MHz (50 kHz spacing)
- Compass error of 25 degree in case of alternator OFF/ FAILED
- The alternator must be switched off manually if voltage > 31.5 V
- VSI depicts - in feet per minute
- Long flight max deviation for compass precession error - 30 deg. Hence DGI must be
Periodically aligned with magnetic compass due precession error.
- Attitude indicator bank angle markings are 10, 20, 30, 60 & 90.
- During pre-flight LOW FUEL annunciators shall not be shown.
- A/c has clock model - Davtron model 803 digital clock
- Centre area of the instrument panel contains static pressure alternate source valve
DIMENSIONS
LENGHT 27’ 2’’
HEIGHT 8’ 11’’
WINGSPAN 36’ 1’’
ELEVATOR SPAN 11’ 4’’
PROP DIAMETER 75’’
PROP GND CLEAR. 11.25’’
STRUT LENGHT 2’’
WHEEL BASE 65’’
MIN TR. RADIUS 27’ 5.5’’
WING AREA 174 SQ FT
27’5.5’’
174sqft
2’’
11/25’’ 65’’
75’’
