Mountain SOS Signals

Updated: Dec 26, 2020

Six signals within 1 minute, pause for 1 minute and repeat the six signals within 1 minute. Repeat the sequence until respond.

Sound signals e.g.:

Visual signals e.g.:

Respond signal

3 signals within 1 minute, pause for 1 minute and repeat 3 signals within a minute.

SOS North America

3 signals within 1 minute, pause for 1 minute, repeat 3 signals within a minute, and repeated until respond.

Sound signals e.g.:

Visual signals e.g.:

The distress signals and answers need not be identical. A periodic signal in an unusual place for an extended period should attract attention.

3 objects in a triangle shape that can draw attention e.g.:

Build 3 fires in a triangle shape with 100 paces apart on open high ground. Beware not to start a wildfire.
Build 3 rock piles in triangle shape 100 paces apart on open high ground.

Signals to helicopter or aircraft:

YES - raise two hands up to form a letter “Y” to indicate positive.

NO - one hand up and one hand down to form a letter “N” to indicate negative.

Information from:

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