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Impact Protection in Air Transport Passenger Seat Design
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Abstract
Knowledge of human impact tolerance(s) is a basic consideration in the improved design of air transport seat-restraint systems and occupant crash protection. This paper discusses biological factors which influence tolerance, defines tolerance levels, variables including whole body and regional impact, and effect of seat and body orientation. It is concluded that the ultimate inertial forces on the occupant specified in FAR 25.561 are not based upon human tolerance considerations; that human impact survival is estimated to be four to ten times the voluntary levels cited; that improved occupant protection requires dynamically tested structural improvements: and that currently available technology such as the NASA air transport seat, or rear-facing seats, should be utilized.
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Citation
Snyder, R., "Impact Protection in Air Transport Passenger Seat Design," SAE Technical Paper 821391, 1982, https://doi.org/10.4271/821391.Also In
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