distress flag
Maritime danger signal
A distress flag is a signal flown by a ship or displayed on land to indicate an emergency and request assistance.
The most recognized is the international orange flag, though any flag flown upside down can serve as a distress signal.
The crew raised a distress flag when the engine failed.
Figuratively, anything signaling trouble: Her sudden silence was a distress flag.
- SOSMorse distress code
- SOS signalUniversal emergency transmission
- maydayRadio emergency signal
- man overboardAlert for fallen sailor
- rescueSave from harm
search and rescue · signal · emergency · flare · signal flare · abandon ship · sinking · shipwreck · coast guard · coastguard · lifeboat · life raft · maritime · international waters · surrender · warning · beacon · help
distress flagchannel marker
Waterway navigation aid
racing flag · signal flag · burgee · pennant · ensign
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