a. Pyrotechnic signals.
(1) Prepare early (weather permitting).
(2) Use as directed in applicable plans/orders or as directed by recovery forces.
(3) Extend over raft's edge before activating.
b. Signal mirror (Figure III-2).
(1) Use as directed by recovery forces.
(2) If no radio, use only with confirmed friendly forces.
(3) Cover when not in use.
Figure III-2. Sighting Techniques
c. Strobe/IR lights.
(1) Prepare early, consider filters and shields.
(2) Use as directed by recovery forces.
(3) Conserve battery life.
d. Pattern signals (use as directed in applicable plans/orders).
(1) Materials:
[a] - Manmade (space blanket, signal paulin, parachute).
[b] - Natural use materials that contrast the color and/or texture of the signaling area (rocks, brush, branches, stomped grass).
(2) Location.
[a] - Maximize visibility from above.
[b] - Provide concealment from ground observation.
(3) Size (large as possible) and ratio (Figure III-3).
Figure III-3. Size and Ratio
(4) Shape (maintain straight lines and sharp corners).
(5) Contrast (use color and shadows).
(6) Pattern signals (Figure III-4).
Figure III-4. Signal Key
e. Sea dye marker.
(1) DO NOT waste in rough seas or fast moving water.
(2) Conserve unused dye by rewrapping.
(3) May be used to color snow.
f. Non-combat considerations:
(1) Use a fire at night.
(2) Use smoke for day (tires or petroleum products for dark smoke and green vegetation for light smoke). (Figure III-5)
(3) Use signal mirror to sweep horizon.
(4) Use audio signals (that is, voice, whistle, and weapons fire).
Figure III-5. Smoke Generator
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