Under GMDSS, a compulsory VHF-DSC radiotelephone installation must be tested at what
minimum intervals at sea?
A. Annually, by a representative of the FCC.
B. At the annual SOLAS inspection.
C. Monthly
D. Daily correct answers D. Daily
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. correct answers A. Calling the USCG on VHF CH-16 or 2182.0 kHz
is the most effective method.
While underway, how frequently is the DSC controller required to be tested?
A. Once a week
B. Once a day
C. Twice a week
D. Once a month correct answers B. Once a day
At sea, all required equipment (other than Survival Craft Equipment) must be proven operational
by:
A. Testing at least every 48 hours.
B. Weekly testing of all S.C.E. and other compulsory equipment.
C. Daily testing or daily successful use of the equipment.
D. Daily testing of the S.C.E. and weekly tests of the other equipment. correct answers C. Daily
testing or daily successful use of the equipment.
,The best way to test the MF-HF SITOR (NBDP) system is:
A. Make a radiotelephone call to a coast station.
B. Initiate an ARQ call to demonstrate that the transmitter and antenna are working.
C. Initiate an ARQ call to a Coast Station and wait for the automatic exchange of answerbacks.
D. Initiate an FEC call to demonstrate that the transmitter and antenna are working. correct
answers C. Initiate an ARQ call to a Coast Station and wait for the automatic exchange of
answerbacks.
The best way to test the Inmarsat-C terminal is:
A. Send a message to a shore terminal and wait for confirmation.
B. Send a message to another ship terminal.
C. If the "Send" light flashes, proper operation has been confirmed.
D. Compose and send a brief message to your own Inmarsat-C terminal. correct answers D.
Compose and send a brief message to your own Inmarsat-C terminal.
A vessel certified for service in Sea Area A3 is required to maintain a watch on:
A. VHF Channel 70, MF Frequency 2182.0 kHz, HF on 8414.5 kHz and one other HF DSC
frequency.
B. MF Frequency 2187.5 kHz, HF on 8414.5 kHz and one other HF DSC frequency, HF on
4125.0 kHz.
C. VHF Channel 70, MF Frequency 2187.5 kHz, HF on 8414.5 kHz and one other HF DSC
frequency.
D. VHF Channel 16, VHF Channel 70, MF Frequency 2187.5 kHz, HF on 8414.5 MHz and HF
4177.5 MHz. correct answers C. VHF Channel 70, MF Frequency 2187.5 kHz, HF on 8414.5
kHz and one other HF DSC frequency.
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 correct answers D. 2187.5 kHz
What are the mandatory DSC watchkeeping bands/channels?
A. 8 MHz HF DSC, 1 other HF DSC, 2 MHz MF DSC and VHF Ch-70.
B. 2 MHz MF DSC, 8 MHz DSC, VHF Ch-16 and 1 other HF DSC.
C. VHF Ch-70, 2 MHz MF DSC, 6 MHz DSC and 1 other HF DSC.
D. VHF Ch-70, 2 MHZ MF DSC, 4 MHZ DSC and 8 MHz DSC. correct answers A. 8 MHz HF
DSC, 1 other HF DSC, 2 MHz MF DSC and VHF Ch-70.
Proper watchkeeping includes the following:
A. Monitoring all required frequencies in the proper mode, setting the DSC scanner to 2 MHz, 4
MHZ and 8 MHz for ships in the vicinity, notifying the Master of any Distress alerts.
B. After silencing an alarm all displays and/or printouts are read, monitoring all required
frequencies in the proper mode, notifying the Master of any Distress alerts.
C. Notifying the Master of any Distress alerts, setting the DSC scanner to 2 MHz, 4 MHZ and 8
MHz for ships in the vicinity, monitoring all required frequencies in the proper mode.
D. Setting the DSC scanner only to the mandatory 2 MHz & 8 MHz, maintain continuous watch
on 2182.0 kHz or 4125.0 kHz, notify the Master of any Distress traffic heard. correct answers B.
After silencing an alarm all displays and/or printouts are read, monitoring all required
frequencies in the proper mode, notifying the Master of any Distress alerts.
Proper watchkeeping includes the following:
A. Understanding normal operational indicators, setting the DSC scanner frequencies to
minimize alarms, maintaining a proper log.
B. Maintaining a proper GMDSS radio station log, understanding normal operational indicators,
responding to and comprehending alarms.
C. Responding to and comprehending alarms, logging out of Inmarsat-C terminals while at sea,
maintaining a proper GMDSS radio station log.
D. Maintaining a proper GMDSS radio station log, setting the DSC scanner frequencies to
minimize alarms, logging out of Inmarsat-C terminals while at sea. correct answers B.