OUPV & 100-Ton Master · Radio Procedures
On VHF-FM, the international distress, safety, and calling channel is:
- AChannel 13
- BChannel 22A
- CChannel 16✓ Correct
- DChannel 70
Explanation
Channel 16 (156.8 MHz) is the international distress, safety, and calling frequency. Vessels required to keep a radio watch must monitor 16. Routine traffic should shift to a working channel once contact is made.
Authority: FCC Rules, 47 CFR Part 80; Navigation Rules
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