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Worksheets1.2part2
Total questions: 16
Worksheet time: 8mins
What periodic inspection is required in order to remain in compliance with the regulations regarding
GMDSS ship radio station inspections?
A. U.S. Coast Guard annual inspection.
B. An inspection at least once every 12 months by the FCC or a holder of a GMDSS Maintainers license.
C. FCC inspection every five years.
D. Periodic inspections not required if on board maintainers perform routine preventive maintenance.
Where can GMDSS regulations pertaining specifically to U.S.-flag vessels be found?
A. These are located in 47 CFR Part 80.
B. These are located in CCIR #476.
C. These are located in FCC Part 83.
D. These are published only by the U.S. Coast Guard.
When may a compulsory vessel not be allowed to leave port?
A. When the vessel is in an over-carriage condition.
B. When the vessel has arranged for both duplication of equipment and shore-based maintenance.
C. When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all
required functions.
D. When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not
been verified or logged.
Which of the following statements concerning GMDSS Radio Operator requirements is false?
A. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea.
B. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea
and may elect to carry a GMDSS Radio Maintainer as well.
C. All communications involving Safety of life at sea must be logged as long as the compulsory vessel was not
involved in such communications.
D. While at sea, adjustments to, and the maintaining of, GMDSS equipment may be performed by the GMDSS
Radio Operator as long as the work is supervised by an on-board licensed GMDSS Radio Maintainer.
What is the meaning of “Reserve Source of Energy”?
A. High caloric value items for lifeboat, per SOLAS regulations.
B. Power to operate the radio installation and conduct Distress and Safety communications in the event of
failure of the ship's main and emergency sources of electrical power.
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. The diesel fueled emergency generator that supplies AC to the vessel’s Emergency power bus.
Which statement concerning the testing of a compulsory radiotelephone station is false?
A. Calling the USCG on VHF CH-16 or 2182.0 kHz is the most effective method.
B. Tests may be accomplished by using the equipment for normal business.
C. A daily test is necessary unless the equipment was used for routine traffic.
D. The test may not interfere with communications in progress and must wait or be suspended if a request to do
so is made.
A vessel certified for service in Sea Area A-2 is required to maintain watch on:
A. 2174.5 kHz
B. 2182.0 kHz
C. 2738.0 kHz
D. 2187.5 kHz
Which of the following statements is false?
A. Key letters or abbreviations may be used in GMDSS Radio Logbooks if their meaning is explained.
B. Urgency communications may need to be entered in the GMDSS radio log.
C. Distress communications heard do not require entries if the vessel did not participate in SAR activity.
D. Log entries of VHF Safety broadcasts are not required.
What would the number 1090 indicate?
A. A ship DSC MMSI number.
B. A coast station SITOR (NBDP) SELCAL number.
C. A coast station DSC MMSI number.
D. A ship station SITOR (NBDP) SELCAL number.
How many digits are in the MID (Maritime Identification Digits)?
A. 3
B. 7
C. 9
D. 10
A valid MMSI number for a DSC call to a specific group of vessels is:
A. 003664523
B. 338462941
C. 003036483
D. 030327931
Which of the following would indicate an Inmarsat-B terminal?
A. 003662517
B. 436682011
C. 325468325
D. 1500241
You receive a TELEX with the sender’s I.D. of 436640927. What type of terminal sent this message to
your vessel?
A. F77 Fleet
B. Inmarsat-C
C. Land TELEX terminal
D. Inmarsat-M
MF-HF DSC alerts are transmitted using what emission type?
A. J2B to ensure compatibility with DSC receivers.
B. J3E to ensure correct voice follow-on frequencies are used.
C. F1B to ensure correct SITOR (NBDP) follow-on frequencies are used.
D. A3E to achieve the best transmission range.
What is the action that a GMDSS Radio Operator should take when a DSC Distress alert is received
requesting J3E?
A. No action is necessary, as the DSC control unit will automatically switch to the SITOR (NBDP) follow-on
communications frequency.
B. The Operator should immediately set continuous watch on VHF channel 70.
C. The Operator should immediately set continuous watch on the SITOR (NBDP) frequency that is associated
with frequency band on which the Distress alert was received.
D. The Operator should immediately set continuous watch on the radiotelephone frequency that is associated
with frequency band on which the Distress alert was received.
Which of the following channels and modes should be used when initiating a Distress alert transmission?
A. Ch-6 DSC
B. Ch-6 Radiotelephony
C. Ch-70 DSC
D. Ch-13 Radiotelephony and Ch-16 DSC
