Since the primary goal of a survival kit for lost or injured persons is rescue, this part of the kit may be considered the most essential. Key elements for rescue include:
- Whistle.
- Signal mirror.
- High power LED light (able to have batteries replaced, and carry an extra battery), white lens, with signaling capabilities. Strobe versions are available for some lights. Use lithium cells only, due to superior shelf life.
- Flare: three fires in a triangle is the international distress signal
- Laser pointer with lithium batteries, for superior signaling range. Laser pointers have resulted in at least one rescue: during the night in August 2010 two men and a boy were rescued from marshland after their red laser pen was spotted by rescue teams.
- Surveyor's tape - orange or chartreuse for marking location for rescuers
- Pen/pencil and paper for leaving notes to rescuers about direction of travel
- Compass. Analog watch can also be used to determine orientation when the sun is visible - See direction finding using a watch
- Trail maps/charts (if location is known in advance)
- Survival manual for technique reference
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