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International standard and very easy to remember is the Y or N signal. If you want to communicate more than that, your signals should be easy and self-explaining. If you are e.g. climbing and it's not that obvious who needs help you could also inform the rescue team in the helicopter by pointing to the casualty after signaling Y.


Two arms up (Y) indicates you are in distress. One arm up, one arm down, indicates that you are not in distress. Also, when in distress, our friends in Europe tend to recognize the rule of 3 ( or 6 ): If you have flags, or sticks and fabric to form flags out of, you can utilize the ...

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