Noun
an internationally recognized signal sent out by a ship or plane indicating that help is needed
Source: WordNetA distress signal from the sleeper ship eventually reaches "Relay", a major node in the galactic communications network. Source: Internet
"At the start of the scaled QRA response, civilian air traffic controllers might see on their screens an aircraft behaving erratically, not responding to their radio calls, or note that it’s transmitting a distress signal through its transponder. Source: Internet
Dumbledore receives her distress signal and dives in after them. Source: Internet
As reported on ERR News, the vessel got into difficulty some time after 11.30 p.m. on Thursday and sent a distress signal. Source: Internet
See Mayday (distress signal) for a more detailed explanation. Source: Internet
The migrants take rafts just outside of Libyan waters, deploy a distress signal, and get picked up by rescue boats that park off the Libyan beaches to bring them to Italy. Source: Internet