Safety, Fire & Survival · GMDSS — Distress Frequencies
The international VHF voice distress, safety, and calling frequency is:
- AChannel 6
- BChannel 13
- CChannel 16 (156.8 MHz)✓ Correct
- DChannel 22A
Explanation
VHF Channel 16 (156.8 MHz) is the international distress, safety, and calling frequency, monitored continuously. MF voice distress is 2182 kHz. DSC distress is sent on Ch 70 (VHF) and 2187.5 kHz (MF).
Authority: ITU Radio Regulations; 47 CFR Part 80
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