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Options for liferaft entry after helicopter ditching

C J Brooks1, P L Potter, D De Lange

  • 1Defence and Civil Institute of Environmental Medicine, North York, Ont., Canada.

Aviation, Space, and Environmental Medicine
|August 26, 1998
PubMed
Summary
This summary is machine-generated.

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Dry evacuation on the windward side is best. The non-canopy aviation liferaft is easier to enter from a helicopter or the sea, making it the preferred choice for aircrew safety.

Area of Science:

  • Aviation safety and survival equipment research.

Background:

  • Helicopter ditching survival requires effective evacuation procedures and equipment.
  • Current aviation liferafts may present challenges during emergency egress.

Purpose of the Study:

  • To evaluate the effectiveness of dry and wet evacuation methods.
  • To compare the usability of two different types of aviation liferafts.

Main Methods:

  • Conducted dry and wet evacuation drills.
  • Utilized the Nutec Super Puma Simulator for realistic training.
  • Involved 24 male and 19 female subjects.

Main Results:

  • Dry evacuation on the windward side was identified as the optimal method.
  • The non-canopy raft demonstrated superior ease of entry from both helicopter and sea scenarios.

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  • Subjective and objective data supported the non-canopy raft's advantages.

    • Conclusions:

    • The non-canopy raft is recommended as the preferred aviation liferaft.
    • Both canopy and non-canopy rafts require design modifications, particularly the painter anchor point.
    • Enhanced aircrew training, including open water survival post-pool training, is crucial.
    • A new helicopter ditching survival compass has been developed for water-based flight personnel.