A distress hand signal is a hand signal to indicate distress and need of rescue. In the maritime and aviation sector, hand signals are used to indicate the need for physical rescue, both to attract attention and to communicate in an environment where shouts for help could not be heard.
A distress hand signal is a hand signal to indicate distress and need of rescue. In the maritime and aviation sector, hand signals are used to indicate the need for physical rescue, both to attract attention and to communicate in an environment where shouts for help could not be heard.
Source: Wikipedia "Distress hand signal" · CC BY-SA 4.0
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