7-A-048: On-scene Communications
7-48F1:
Which of the following has been designated for “On-scene” communications in GMDSS?
Ch-16 on VHF radiotelephone and 2174.5 kHz using MF SITOR.
Ch-24
Ch-2182
Ch-70
7-48F2:
Which of the following channels is designated as the VHF follow-on communications channel and is required in all portable survival craft equipment?
Ch-16
Ch-6
Ch-13
Ch-70
7-48F3:
Which of the following frequencies have been designated for “On-scene” communications in the Global Maritime Distress and Safety System?
VHF Ch-16 and NBDP on 2174.5 kHz.
VHF Ch-22
HF radiotelephone on 21.820 MHz.
NBDP on 2177.0 kHz and VHF Ch-16.
7-48F4:
Which of the following frequencies have NOT been designated for “On-scene” communications in the Global Maritime Distress and Safety System?
NBDP on 2182.0 kHz
VHF Ch-16
MF radiotelephony on 2182 kHz
None of these
7-48F5:
“On-scene" communications would best be represented by?
NBDP on 2174.5
Sending DSC alert on VHF Ch-70
Using Inmarsat-C "hot-key" function
None of the above
7-48F6:
For “On-scene” communications, vessels in Distress and SAR Aircraft should use?
VHF Ch-16, 4125 kHz J3E, 3023 kHz J3E
VHF Ch-70, 4125 kHz J3E, 5680 kHz J3E
VHF Ch-16, 4125 kHz F1B, 3023 kHz J3E
None of the above
Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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