User:The Founders Intent/Sandbox Crashworthiness

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History
The history of aviation crashworthiness can likely trace its beginning in the studies by John Stapp to investigate the limits of human tolerance in the 1940's and 1950's. In the early 1960's, the US Army beginning serious accident analysis into crashworthiness as a result of accidents during training and combat in Vietnam. Heavy research was conducted into human tolerance, energy attenuation and structural designs that would protect the occupants of military helicopters. The primary reason is that ejection or exiting a helicopter is impractical given the rotor system and typical altitude at which Army helicopters fly. In the late 1960's the Army published the Aircraft Crash Survival Design Guide. The guide was revised several times and became a muli-volume set divided by aircraft systems. The intent of this guide is to assist engineers in understanding the design considerations important to crash-resistant military aircraft. Consequently, the Army establish a military standard (MIL-STD-1290A) for light fixed and rotary-wing aircraft. The standard estabishes minimum requrements for crash safety for human occupants based on the need to maintain a livable volume or space and the reduction of decelerative loads upon the occupant.

The Federal Aviation Administration has been the proponent for general aviation safety in the United States. It has developed its own authoritative safety requirements in the Code of Federal Regulations.

At the time NASA has conducted similar work study the effects of space launch for human space flight. They also conducted crash testing beginningin the 1950's.

The US Department of Transportation has developed standard for rail

Category:Aviation accidents and incidents by aircraft