What is a distress communication?
a. An internationally recognized communication indicating that the sender is threatened by grave
and imminent danger and requests immediate assistance
b. Communications indicating that the calling station has a very urgent message concerning safety
c. Radio communications which, if delayed will adversely affect the safety of life or property
d. An official radio communications notification of approaching navigational or meteorological hazards
What is the term which refers to the supply of electrical energy required to supply radio installations on every ship
for the purpose of conducting distress and safety radio communications in the event of failure of the ship’s main and
emergency sources of electrical power?
a. Emergency power
b. Reserve source of energy
c. Ship’s emergency diesel generator
d. Ship’s standby generator
Date by which all ships covered by GMDSS must carry a satellite EPIRB?
a. 1 February 1995
b. 1 February 1991
c. 1 February 1999
d. 1 February 1993
The battery of GMDSS approved portable VHF transceiver should last up to?
a. 5 hours
b. 6 hours
c. 8 hours
d. 7 hours
The type of batteries that is damaged by either over-charging or under-charging is the?
a. Lithium battery
b. Acid battery
c. Lead battery
d. Rechargeable battery
What is the most important factor which determines the range of a VHF station?
a. Not affected by time of day
b. Shortwave propagation
c. Type of terminals/connectors used
d. The height of antenna
The angle between north and the horizontal direction of the satellite as seen from the ship is called;
a. Elevation angle
b. Declination angle
c. Inclination angle
d. Azimuth angle
The specific gravity of a fully charged 12V storage battery is;
a. 1.28
b. 1.20
c. 1.38
d. 1.40
What is the meaning of “Reserve Source of Energy”?
a. The supply of electrical energy sufficient to operate the radio installations for the purpose of
conducting distress and safety communication in the event of failure of the ship’s main and
emergency source of electrical power.
b. High caloric value items for lifeboat, per SOLAS regulations
c. Diesel fuel stored for the purpose of operation the powered survival craft for a period equal to or
exceeding the U.S.C.G. and SOLAS requirements
d. None of these
What is the term which refers to the supply of electrical energy required to supply radio installations on every ship
for the purpose of conducting distress and safety radio communications in the event of failure of the ship’s main and
emergency sources of electrical power?
a. Emergency power
b. Reserve source of energy
c. Ship’s emergency diesel generator
d. Ship’s standby generator
What are the characteristics of the Reserve Source of Energy under GMDSS?
a. Supplies independent HF and MF installations at the same time
b. Can be independent of the propelling power of the ship
c. Must be incorporated into the ship’s electrical system
d. Must be independent of the ship’s electrical system
What is the MID?
a. Mobile Identification Number
b. Maritime Identification Digits
c. Maritime Indemnity Directory
d. Mobile Interference Digits
International safety net service message are broadcasted in English language, in an alpha numeric character set
known as?
a. 8-BIT ASCII
b. 16-BIT ASCII
c. 7-BIT ASCII
d. 24-BIT ASCII
The type of batteries most commonly used on board ships as source of back-up power is the…
a. Lead battery
b. Nickel-iron (NIFe) battery
c. Nickel-cadmium (NICd) battery
d. Lithium battery
You have a Manoverboard situation. What would be the priority of the DSC call you are going to send?
a. Safety
b. Distress
c. Urgency
d. Routine
What is distress traffic?
a. In radiotelegraphy, SOS sent as a single character, in radiotelephony, the speaking of the word
“Mayday”
b. Health and welfare messaged concerning the immediate protection of property and safety of human life
c. Internationally recognized communications relating to emergency situations
d. All messages relative to the immediate assistance required by a ship, aircraft or other vehicle in
imminent danger
What is an urgency transmission?
a. A radio distress transmission affecting the security affecting the humans or property
b. Health and welfare traffic which impacts the protection of on-board personal
c. A communications alert that important personal messaged must be transmitted
d. A communications transmission concerning the safety of a ship, aircraft or other vehicle, or of
some person onboard or within sight
What does a SART signal sound or look like?
a. It transmits “SOS” and the vessel’s name and position in slow speed Morse Code
b. It will appear on a RADAR unit’s PPI as a line of dots radiating outward with the innermost dot
indicating the SART’S position
c. It will appear on a RADAR unit’s PPI as a line of dots radiating outward with the outermost dot
indicating the SART’s position
d. None of the above
How can rescue personnel detect that a SART is transmitting in the immediate vicinity?
a. The SART’s blips on the PPI will begin arcing and eventually become concentric circles
b. The DSC unit will react to the SART’s signal and respond with the two-tone auto alarm
c. The SART can provide an approximate location to within a two nautical mile radius, per IMO
standards.
d. The SART signal appears as a target which comes and goes; the effect of heavy swells on SART
In which frequency band does a search and rescue transponder operate?
a. 3 GHz
b. 9 GHz
c. S-band
d. 406 MHz
In INMARSAT – A/B TELEX, the telex fault code returned when the path to the called telex terminal is faulty, and
the called teleprinter fails to responds to WRU signals is?
a. DER
b. ABS
c. NC
d. NP
What is the meaning of “Reserve Source of Energy”?
a. The supply of electrical energy sufficient to operate the radio installations for the purpose of
conducting distress and safety communications in the event of failure of the ship’s main and
emergency sources of electrical power
b. High caloric value items for lifeboat, per SOLAS regulations.
c. Diesel fuel stored for the purpose of operating the powered survival craft for a period equal to or
exceeding the U.S.C.G. and SOLAS requirements.
d. None of these
In INMARSAT-A telex or telephone, the two digit code which provide a connection to an appropriate national or
international centre which is collecting ship movement information for search and rescue (or other) purposes. E.G.,
AMVER, AUSREP ETC is?
a. 42
b. 43
c. 44
d. 45
International safety net service message are broadcasted in English language, in an alpha numeric character set
known as?
a. 8-BIT ASCII
b. 16-BIT ASCII
c. 7-BIT ASCII
d. 24-BIT ASCII
The frequency band used as downlink frequency from the satellite to SES is the?
a. 1.6 GHz band
b. 1.5 GHz band
c. 1 GHz band
d. 2 GHz band
What is the Global Maritime Distress and Safety System (GMDSS)?
a. An automated ship-to-shore distress alerting system using satellite and advanced terrestrial
communicating systems.
b. An emergency radio service employing analog and manual safety apparatus
c. An association of radio officers trained in emergency procedures
d. The international organization charged with safety of ocean going vessels
What is the meaning of “Reserve Source of Energy?”
a. The supply of electrical energy sufficient to operate the radio installations for the purpose of
conducting distress and safety communications in the event of failure of the ship’s main and
emergency sources of electrical power
b. High caloric value items for lifeboat, per SOLAS regulations.
c. Diesel fuel stored for the purpose of operating the powered survival craft for a period equal to or
exceeding the U.S.C.G. and SOLAS requirements.
d. None of these
The type of batteries most commonly used on board ships as source of back-up power is the…
a. Lead battery
b. Nickel-iron (NIFe) battery
c. Nickel-cadmium (NICd) battery
d. Lithium battery
Date by which all ships covered by GMDSS must carry a satellite EPIRB?
a. 1 February 1995
b. 1 February 1991
c. 1 February 1999
d. 1 February 1993
The type of batteries that is damaged by either over-charging or under-charging is the?
a. Lithium battery
b. Acid battery
c. Lead battery
d. Rechargeable battery
What is distress traffic?
a. In radiotelegraphy, SOS sent as a single character, in radiotelephony, the speaking of the word
“Mayday”
b. Health and welfare messaged concerning the immediate protection of property and safety of human life
c. Internationally recognized communications relating to emergency situations
d. All messages relative to the immediate assistance required by a ship, aircraft or other vehicle in
imminent danger
What is class “A” EPIRB?
a. An alerting device notifying mariners of imminent danger
b. A satellite-based maritime distress and safely alerting system
c. An automatic battery-operated emergency position indicating radiobeacon that floats free of a
sinking ship
d. A high efficiency audio amplifier
Which equipment on the bridge is used for locating a SART?
a. 3 cm (9 GHz) radar
b. 10 cm (3 GHz) radar
c. Radio Direction Finder
d. Radar Direction Finder
What is the international VHF digital selective calling channel?
a. 2182 kHz
b. 156.35 MHz
c. 156.525 MHz
d. 500 kHz
What is the term which refers to the supply of electrical energy required to supply radio installations on every ship
for the purpose of conducting distress and safety radio communications in the event of failure of the ship’s main and
emergency sources of electrical power?
a. Emergency power
b. Reserve source of energy
c. Ship’s emergency diesel generator
d. Ship’s standby generator
Which equipment on the bridge is used for locating a SART?
a. VHF AIS
b. Portable VHF
c. COSPAS SARSAT EPIRB
d. 3 cm (9 GHz) RADAR
The angle between north and the horizontal direction of the satellite as seen from the ship is called;
a. Elevation angle
b. Declination angle
c. Inclination angle
d. Azimuth angle
The basic technique used for sending a message via INMARSAT-C is called;
a. Store and forward messaging
b. 2-digit code messaging
c. Automatic dial-up telex
d. High speed data transmission
One bytes is composed of;
a. 5 bits
b. 7 bits
c. 8 bits
d. 9 bits
In the INMARSAT-C system, the delay for a ship-to-ship message from being sent to being received at its final
destination with errors, is typically?
a. 3 to 6 minutes
b. 5 to 8 minutes
c. 5 to 10 minutes
d. 4 to 5 minutes
International safety net service message are broadcasted in English language, in an alpha numeric character set
known as?
a. 8-bit ASCII
b. 16-bit ASCII
c. 7-bit ASCII
d. 24-bit ASCII
The frequency band used as uplink from SES to the satellites is the?
a. 1.5 GHz band
b. 2 GHz band
c. 1.6 GHz band
d. 1 GHz band
To contact another ship by MF DSC, you should tune your transmitter and receiver to which frequencies?
a. 2182 kHz / 2182 kHz
b. 2045 kHz / 2048 kHz
c. Transmit 2177.0 kHz receive 2177.0 kHz (2187.5 kHz NTC)
d. 156.8 MHz / 156.8 MHz
Which of the following EPIRBs is most likely to be used to transmit a distress alert signal?
a. S-band ERIRBs
b. 406 MHz EPIRBs
c. Class A EPIRBs
d. 121.5/243 MHz EPIRBs
The type of batteries most commonly used onboard ships as source of back-up power is the…
a. Lead Battery
b. Nickel-iron (NIFe) battery
c. Nickel-Cadmium (NICd) battery
d. Lithium battery
What is distress traffic?
a. In radiotelegraphy, SOS sent as a single character, in radiotelephony, the speaking of the word
“Mayday”
b. Health and welfare messaged concerning the immediate protection of property and safety of human life
c. Internationally recognized communications relating to emergency situations
d. All messages relative to the immediate assistance required by a ship, aircraft or other vehicle in
imminent danger
What is safety transmission?
a. Radiotelephony warnings preceded by the words “PAN”
b. Health and welfare traffic concerning the protection of human life
c. A communications transmission which indicated that a station is preparing to transmit an
important navigation or weather warning
d. A radiotelephony alert preceded by the letters “XXX” sent three times
Which equipment on the bridge is used for locating a SART?
a. 3 cm (9 GHz) radar
b. 10 cm (3 GHz) radar
c. Radio Direction Finder
d. Radar Direction Finder
A reserve power source must be able to power all radio equipment plus an emergency light system for how long?
a. 24 hours
b. 12 hours
c. 8 hours
d. 6 hours
What is the meaning of “Reserve Source of Energy?”
a. The supply of electrical energy sufficient to operate the radio installations for the purpose of
conducting distress and safety communications in the event of failure of the ship’s main and
emergency sources of electrical power
b. High caloric value items for lifeboat, per SOLAS regulations.
c. Diesel fuel stored for the purpose of operating the powered survival craft for a period equal to or
exceeding the U.S.C.G. and SOLAS requirements.
d. None of these
Footprint or coverage area of INMARSAT geostationary satellite is?
a. 0-75 deg. N/S
b. 0-70 def. N/S
c. 0-76 deg. N/S (NTC)
Ocean region code used in the POR (including Australia);
a. 044
b. 144
c. 244
d. 344
Situation as follows belongs to SAFETY category…
a. Floating containers
b. Treatment of injured persons in the cargo hold
c. Both A and B
d. Fire in the engine room
Ocean region code use in the POR (Including HAWAII)
a. 001
b. 002
c. 003
d. 004
Mandatory fitting of NAVTEX, SART and EPIRB…
a. August 1, 1993
b. February 1, 1995
c. August 1, 1995
d. February 1, 1993
Full equipment carriage under GMDSS is?
a. Mandatory after February 1, 1996
b. Mandatory after February 10, 1995
c. Mandatory after February 1, 1992
d. Mandatory after February 1, 1995
The SART operates in which frequency band?
a. 10 GHz
b. 8 GHz
c. 9 GHz
d. 7 GHz
The SART operates on 9GHz. What radar band does this frequency belong to?
a. A-band
b. B-band
c. X-band
d. Z-BAND
What is false about HF communication?
a. Not affected by time of day
b. Shortwave propagation
c. Sky wave propagation
d. It bounces back to earth
When activated, the response of a distant SART on the RADAR screen consist of?
a. 6 blips
b. 12 blips/DOTS
c. 9 blips
d. 36 blips
Which of the following situations would normally use the safety priority?
a. Loss of 5 containers with lashing gear over the side
b. Treatment of a crew member breaking a leg in the cargo hold
c. Both A and B
d. Fire and explosion in the Engine room
Which equipment is required for all vessels over 300 gross tons and all passenger ships after August 1, 1993 / Feb 1,
1995?
a. VHF Transceivers
b. NAVTEX and satellite EPIRBs
c. VHF Tron air
d. SART
Which equipment on the bridge is used for locating a SART?
A. VHF AIS
B. Portable VHF
C. COSPAS/SARSAT EPIRB
D. 3 cm (9 GHz) RADAR
This code should be used to obtain maritime assistance if the vessel requires assistance or towing or has encounter
oil pollution, etc.
a. 39
b. 41
c. 42
d. 43
How should the signal from a Search and Rescue Transponder appear on a RADAR display?
a. A series of dashes
b. A series of spirals all originating from the range and bearing of the SART
c. A series of 12 equally spaced dots
d. A series of twenty dashes
In which frequency band does a Search and Rescue Transponder operate?
a. 3 GHz
b. 9 GHz
c. S-band
d. 406 MHz
The SART is required to have a sufficient battery capacity to operate in the stand-by mode for what period of time?
a. Eight hours
b. Three days
c. Four days
d. Forty-eight hours
How many MF frequencies are available for DSC distress related calls?
a. One
b. Two
c. Four
d. Five
In INMARST-A telex or telephone, the two digit code which provide a connection to an appropriate national or
international centre which is collecting ship movement information for search and rescue (or other) purposes, EG,
AMVER, AUSREP, etc. is?
a. 42
b. 43
c. 44
d. 45
International safety net service message are broadcaster in English language, in an alpha numeric character set
known as?
a. 8-bit ASCIII
b. 16-bit ASCII
c. 7-bit ASCII
d. 24-bit ASCII
In the maritime traffic charging, 1 SDR is equivalent to?
a. 3.062 GFR
b. 3.067 GFR
c. 3.061 GFR
d. 3.065 GFR
What is the meaning of “Reserve Source of Energy”?
a. The supply of electrical energy sufficient to operate the radio installations for the purpose of
conducting distress and safety communication in the event of failure of the ship’s main and
emergency source of electrical power.
b. High caloric value items for lifeboat, per SOLAS regulations
c. Diesel fuel stored for the purpose of operation the powered survival craft for a period equal to or
exceeding the U.S.C.G. and SOLAS requirements
d. None of these
The type of batteries most commonly used on board ships as source of back-up power is the…
a. Lead Battery
b. Nickel-Iron (NIFe) Battery
c. Nickel-Cadmium (NICd) Battery
d. Lithium battery
This code provides a connection to an appropriate nation or international centre which is collecting ship movement
information for search and rescue (or other) purposes, e.g. AMVER or AUSREP, etc.
a. 43
b. 42
c. 41
d. 51
The angle between north and the horizontal direction of the satellite as seen from the ship is called;
a. Elevation angle
b. Declination angle
c. Inclination angle
d. Azimuth angle
The basic technique used for sending a message via INMARSAT-C is called;
a. Store and forward messaging
b. 2-digit code messaging
c. Automatic dial-up telex
d. High speed data transmission
One byte is composed of;
a. 5 bits
b. 7 bits
c. 8 bits
d. 9 bits
For reporting incident of pollution in the INMARSAT system the two-digit code to use is?
a. 43
b. 21
c. 38
d. 39
