MAXIMUM ACCEPTABLE INHERENT BUOYANCY LIMIT FOR AIRCREW/PASSENGER HELICOPTER IMMERSION SUIT SYSTEMS

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Authors
  1. Brooks, C.J.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
Helicopter crew and passengers flying over cold water wear immersion suits to provide hypothermic protection in case of ditching in cold water. The suits and linings have trapped air in the material to provide the necessary insulation and are thus very buoyant. By paradox, this buoyancy may be too much for a survivor to overcome in escaping from the cabin of a rapidly sinking inverted helicopter. The Canadian General Standard Board requested that research be conducted to investigate what should be the maximum inherent buoyancy in an immersion suit that would not inhibit escape, yet would provide adequate thermal insulation. This experiment reports on 12 subjects who safely escaped with 147N (35 lbs) of added buoyancy from a helicopter underwater escape trainer.
Report Number
DCIEM-87-RR-24 — Research Report
Date of publication
15 Jul 1987
Number of Pages
27
DSTKIM No
87-03505
CANDIS No
52296
Format(s):
Document Image stored on Optical Disk;Originator's fiche received by DSIS

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