Safety, Fire & Survival · MOB — AIS Man-Overboard Beacon
A personal AIS man-overboard (MOB) beacon worn by a crewmember helps recovery by:
- AInflating into a liferaft
- BGenerating heat to warm the casualty
- CTransmitting the casualty's GPS position as an AIS alert to the parent vessel and nearby ships✓ Correct
- DSending a letter to shore
Explanation
A personal AIS MOB device activates in the water and broadcasts the wearer's GPS position (and an alarm) as an AIS message, placing a target on the ship's display so the crew can turn back and home directly on the person — far faster than a visual search.
Authority: IMO/AIS performance standards; man-overboard equipment
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