A vessel certified for service in Sea Area A3 is required to maintain a watch on?
Official USCG Answer & Rule Citation
Correct Answer: Option D — All of these
Sea Area A3 vessels must maintain continuous automated digital selective calling watches on VHF Channel 70, MF 2187.5 kHz, HF 8414.5 kHz, and at least one other designated HF DSC safety frequency.
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