distress signal

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distress signal

n.
An international signal used by a distressed ship or aircraft to request help.

distress signal

n
(Nautical Terms) a signal by radio, Very light, etc from a ship or other vessel in need of immediate assistance
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.distress signal - an internationally recognized signal sent out by a ship or plane indicating that help is neededdistress signal - an internationally recognized signal sent out by a ship or plane indicating that help is needed
signal, signaling, sign - any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"
SOS - an internationally recognized distress signal in radio code
Mayday - an internationally recognized distress signal via radiotelephone (from the French m'aider)
Translations
References in periodicals archive ?
The scores of moral distress frequency and intensity of the total scale were classified into four categories: low (0-1), medium (1.
5 MHz international air distress frequency as well as Cospas-Sarsat alerts at 406 MHz.
Plus, air crew and passengers benefit from dramatically improved search and rescue services provided by the new distress frequency.
When activated, a coded signal is transmitted by the Cospas-Sarsat satellites on the international 406 MHz distress frequency.
Graham Dawson, Humber Coastguard watch manager, said: "The skipper made a very calm call on the VHF channel 16 distress frequency.
But to complicate matters, one vessel mistakenly blocked channel 16 - the international distress frequency monitored by the coastguard - leaving other vessels struggling to issue mayday broadcasts.