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
A DSC distress alert is 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
Drill more GMDSS and VHF distress procedures questions
Every CaptainsGround answer cites the rule it tests — verified, not guessed. Try a free 5-question drill, no sign-up.
More practice questions
- Under 46 CFR §28.265, on a vessel operating with fewer than 4 individuals on board, eme…
- A vessel certificated for a lakes, bays, and sounds route is required by 46 CFR §180.68…
- According to 33 CFR §87.01, which of the following is a recognized distress signal?
- Under 46 CFR §180.68(c), which substitution is permissible for a required hand orange s…
- Which VHF channel is designated for transmitting a DSC distress alert?
- Under 33 CFR Part 175, which PFD types are classified as wearable PFDs?