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There are three phases to an avalanche beacon search: the signal search, course search and fine search phases. It is essential to practice all three to become effective with your transceiver.

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EditSteps

  1. 1
    Signal Search: Performed when no signal has been detected, starting at the last-seen-area. If there's a last-seen-area, search straight down the fall line from there. If there is no last-seen-area, search the entire debris pile for the victim. With multiple searchers spread out no more than 40 meters (131.2 ft) apart. If alone, make switchbacks no more than 40 meters (131.2 ft) apart, 20 meters (65.6 ft) from each side. Move fast, always looking for clues on the surface.
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  2. 2
    Course Search: Once the signal is detected, use your directional lights and distance display to follow the victim's signal. This will often be curved. Analog beacon users will need to adjust your sensitivity control. Move as fast as possible until you reach a distance of about three meters from the victim.
  3. Beacon Diagram.jpg
    3
    Fine Search/Pinpointing: Slow down and pay close attention to your distance readings; directional arrows are less important. Get your beacon as close as possible to the snow surface. Once the lowest distance reading is found, search along the perpendicular axis for an even lower reading. When the lowest reading is confirmed, don't hesitate. Start probing!
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  • Skiing/snowboarding/snowmobiling is dangerous in the backcountry. Take an avalanche course and become educated before venturing out. Visit our site at www.backcountryaccess.com

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Categories: Disaster Preparedness

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