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  2. Survival kit - Wikipedia

    en.wikipedia.org/wiki/Survival_kit

    Survival kits for military aviators are often modified according to the environment of operations: In desert areas, survival kits may have more water and sunscreen, and have additional items such as shade hats, a compass, a whistle, medical equipment, tinder, matches, and sun glasses.

  3. Alpine distress signal - Wikipedia

    en.wikipedia.org/wiki/Alpine_distress_signal

    Whoever receives distress signals, should confirm and alert the emergency services. The distress signal can also be a sound, light, or visible signs: Audible signals: e.g. loud calling, whistles, yodeling (Deep tones are audible over a long distance.) Optical signals: e.g. flashlights, blinkers, sunlight mirrors, flares, flames

  4. Amateur radio direction finding - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_direction...

    In addition to the radio equipment and topographic map, an ARDF competitor uses a magnetic compass for navigation. The most popular compass types are those that are also popular for use in orienteering. Some events may require or suggest that competitors carry a whistle for emergency use.

  5. Distress signal - Wikipedia

    en.wikipedia.org/wiki/Distress_signal

    A distress signal can be three fires or piles of rocks in a triangle, three blasts on a whistle, three shots from a firearm, or three flashes of light, in succession followed by a one-minute pause and repeated until a response is received. Three blasts or flashes is the appropriate response.

  6. Emergency locator beacon - Wikipedia

    en.wikipedia.org/wiki/Emergency_locator_beacon

    An emergency locator beacon is a radio beacon, a portable battery powered radio transmitter, used to locate airplanes, vessels, and persons in distress and in need of immediate rescue. Various types of emergency locator beacons are carried by aircraft, ships, vehicles, hikers and cross-country skiers.

  7. General emergency signal - Wikipedia

    en.wikipedia.org/wiki/General_Emergency_Signal

    The signal is composed of seven or more short blasts followed by one long blast on the ship's whistle and internal alarm system. [1] Within 24 hours of embarkation of all passengers, the crew will conduct a mandatory muster drill in which the General Emergency Signal is sounded. The purpose of the drill is to educate passengers of emergency ...

  8. Compass - Wikipedia

    en.wikipedia.org/wiki/Compass

    A modern military compass, with included sight device for aligning. A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north.

  9. Mini survival kit - Wikipedia

    en.wikipedia.org/wiki/Mini_survival_kit

    Mini survival kits are intended to provide the basic needs of a survival situation, self-rescue, assistance or a return to normalcy in optimum situations. Two philosophies surround the preparation of mini survival kits. Some are prepared with a few comparatively large items such as a knife, matches, a whistle, emergency food, and water bottle.

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