OUPV & 100-Ton Master · Radio Procedures
The urgency signal 'PAN-PAN' is used when:
- AA vessel is sinking and needs immediate rescue
- BThere is a very urgent message concerning the safety of a vessel or person, but no grave and imminent danger✓ Correct
- CTransmitting a routine radio check
- DBroadcasting a weather forecast
Explanation
PAN-PAN denotes urgency — a very urgent message about the safety of a vessel or person (e.g., a serious but not yet life-threatening medical situation or a disabled vessel not in immediate danger). It ranks below MAYDAY but above SECURITE.
Authority: FCC Rules, 47 CFR Part 80; ITU radio procedures
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