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International SOS signals and emergency signalling methods to call for rescue.
3 articles
// Articles
Universal distress signals, SOS Morse, signal mirror, ground-to-air symbols, whistle patterns, fire and smoke, flares, PLB activation, and night vs day signalling at a glance.
A comprehensive guide to internationally recognised distress signals — visual, auditory, and electronic — used on land, sea, and in the air.
A practical guide covering all known methods to transmit an SOS signal — from Morse code to mirrors, smoke to satellite — so you can choose the right one in any emergency.
All 3 guides in Emergency Signals & SOS are available offline — no internet needed when it matters most.
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