distress signal


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distress signal

[də′stres ‚sig·nəl]
(communications)
An international signal used when a ship, aircraft, or other vehicle is threatened by grave and imminent danger and requests immediate assistance; examples are special radiotelegraph and radiotelephone signals or special signal flags or flares.

distress signal

A signal transmitted by an aircraft in distress. It could be transmitted on radio as Mayday or by light indications.
References in periodicals archive ?
Whispers On The Waves - inspired by the real-life story of Welsh wireless operator Artie Moore who heard a distress signal from Titanic before news of the disaster arrived in the UK - also features children from Meadowbank School in Cardiff and music students from the RWCMD.
They send distress signals through a satellite run by the National Oceanic and Atmospheric Administration.
All 13 were Indians and rescued by a Yemeni naval ship near the accident site that received the distress signal the Indian ship had sent.
From what we have, there was no such distress signal or distress call per se, so we are equally puzzled," he said.
According to CNN, the distress signal was received from the ferry, identified as the Sewol, around 9 AM (local time).
The airline said it was still investigating the incident, and that there had been no distress signal from the plane before it lost contact with air traffic control.
FEARS were sparked after a distress signal was sounded in Tees Bay, turning the routine rescue of a broken down fishing boat into a full-scale emergency.
Batelco's staff responds instantly by informing the relevant authorities in the area closest to the distress signal - ranging from medical emergencies, technical problems and other urgent situations, it stated.
A distress signal was received from the Eurocopter-120 before it crashed.
A stewardess alerted the pilot, who sent a distress signal.
25am yesterday after reports a red flare distress signal was spotted by a member of the public.
The new app is called Distress Signal, and is being marketed as an ideal companion for British people travelling to foreign countries.