USCG Exam Practice · GMDSS and VHF distress procedures
Which VHF channel is designated for transmitting a DSC distress alert?
- AChannel 16
- BChannel 22A
- CChannel 70✓ correct
- DChannel 06
Why C is correct
DSC distress alerts are transmitted on VHF Channel 70. Channel 16 is the voice distress and calling frequency, not the DSC channel. 33 CFR §87.01(l)(i) specifies VHF channel 70 for DSC distress alerts.
Cited:33 CFR §87.01
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