03 — Pillar · Survival
Emergency signaling techniques, rescue signals, and methods to attract help.
Q&A in this topic
6 total
Smoke signals work day and night. Green materials, wet leaves, and smoke-producing accelerants create visible signals.
Use the Rule of Three: three fires in a triangle, three whistle blasts, or three mirror flashes — the universal distress signal. Visual signals are most effecti
Reflective mirrors create visible signals from extreme distances (visible from 10+ miles away under ideal conditions). Any reflective surface works: polished me
Signal mirrors reflect sunlight visibly miles away. Proper technique ensures rescue planes and helicopters spot you.
Large ground-to-air signals are visible from aircraft: X (distress), SOS (dots and dashes), V (need assistance), F (need food/water), →(direction to go), ↓(go d
Universal distress pattern: three short blasts, three long blasts, three short blasts (SOS in Morse code). Repeat pattern every few seconds. Whistle carries sou