If you believe that your life is in immediate danger, send out a mayday signal and then inform the IC of the situation before turning on your PASS device.
Mayday is a distress signal used in voice-procedure radio communications that is an international emergency procedure term. Aviators and seafarers are the main groups who utilize it to warn of a life-threatening emergency, although, in certain nations, municipal agencies like fire departments, police departments, and transportation companies also use it.
In order to avoid confusion with other similar-sounding phrases in noisy environments and to distinguish an actual mayday call from a message about a mayday call, convention dictates that the word must be repeated three times in a row during the initial emergency declaration ("Mayday mayday mayday").
Learn more about the mayday signal here:
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