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Emergency Services Search Patterns

Emergency Services Search Patterns. Mission Pilot CAPR 50-15 Attachment 10 Paragraph a. Richard Shulak Wasatch Sqdn. RMR-UT-008 November 1999. 6 Types of Searches. Track line (route) search Parallel track search Creeping line search Expanding square search Contour search

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Emergency Services Search Patterns

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  1. Emergency Services Search Patterns Mission Pilot CAPR 50-15 Attachment 10 Paragraph a Richard Shulak Wasatch Sqdn. RMR-UT-008 November 1999

  2. 6 Types of Searches • Track line (route) search • Parallel track search • Creeping line search • Expanding square search • Contour search • Coordination with ATC

  3. Track Line (Route) Search

  4. 1. Track Line (Route) Search • Used when no idea of target location • Along intended path of flight at ½ search track spacing • Can follow several routes if no flight plan filed • Hope to hear ELT on the route

  5. Parallel Track Search

  6. 2. Parallel Track Search • Used for uniform coverage of a large area, usually a grid • Start at corner of the area at ½ search track spacing • A variation is the PARALLEL SWEEP PATTERN • Uses several aircraft

  7. Creeping Line Search

  8. 3. Creeping Line Search • Flights back and forth across the search area • Used when search area is narrow, long and fairly level • Probable location of target is between two points • Immediate need for coverage on one end of search area

  9. Expanding Square

  10. 4. Expanding Square Search • Used when area is small and target positions is known with close limits • Start at suspected target location • Fly first leg into wind • Fly second pattern diagonal to first • Elongate pattern to follow suspected movement of target

  11. Contour Search

  12. 5. Contour Search • Used over mountainous and hilly areas • Start at highest point • Successive contours are flown 500 ft lower • Do not get yourself in trouble • Crew must be experienced in contour flying techniques • Weather conditions should be good • Wind gusts should be minimal

  13. 5. Contour Search (Cont) • Aircraft must be maneuverable with a good climb rate and capable of making turns in a small radius • Fly clockwise or counterclockwise????? • Beware of canyons and valleys • Don’t fly into a valley that you cannot fly out of • Fly down the canyon with the mouth leaving a way out

  14. Coordination With ATC • Characteristics • How to do it • Advantages • Disadvantages

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