General aviation structures directly responsible for trauma in crash decelerations.

Swearingen, John J.; Civil Aeromedical Institute

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General aviation structures directly responsible for trauma in crash decelerations.

1971-01-01
By Swearingen, John J.

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English

Details

Details:

Creators:

Swearingen, John J.
Corporate Creators:

Civil Aeromedical Institute
Corporate Contributors:

United States. Office of Aviation Medicine
Subject/TRT Terms:

[+]

Acceleration (Physiology) Aeronautics--Safety Measures Aircraft Accidents--Case Studies Aircraft Accidents--Charts, Diagrams, Etc. Aircraft Accidents--Investigation Aircraft Accident Victims Aircraft Crash Victims Aircraft Structural Components Airframes Air Pilots Airplane Crash Survival Airplanes--Crashworthiness Airplanes--Design Airplanes--Instrument Panels Air Transportation Crashes Aviation Safety Case Studies Charts Crash Injuries Crash Injuries--Charts, Diagrams, Etc. Crash Injuries--Research Crash Injury Research Crash Investigation Crash Victim Simulation Crashworthiness Deceleration Diagrams Drawing Drawings Escape Systems Face Face--Wounds And Injuries Fatalities Fractures Fractures (Anatomy) General Aviation Aircraft Graphs Gravitational Force Head Head--Wounds And Injuries Injuries Injury Causes Injury Types Instrument Panels Kinetics On The Scene Crash Investigation Passengers Photographs Pictures Restraint Systems Safety Harness (Aeronautics) Skull Fractures Speed Survival Tolerance (Physiology) Vehicle Design Velocity
Publication/ Report Number:

FAA-AM-71-3 ; DOT/FAA/AM-71/3

FAA-AM-71-3 ; DOT/FAA/AM-71/3 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

An analytical study of general aviation accident injuries is presented. Needs for improvement of both the crash design of the interior of the cockpit and the structural integrity of the cockpit itself are clearly illustrated. Crash safety design in light aircraft has fallen so far behind that for the automobile that death rates per 100,000,000 passenger miles in light aircraft are at least seven times those for automotive transportation.

The author concludes, after many detailed analyses in this study that many present-day general aviation aircraft with their rigid instrument panels studded with heavy instruments, protruding knobs and sharp edges, along with a lack of slow-return padding and very inadequate restraint equipment, are producing fatal or very serious injuries during low cabin crash decelerations with some as low as 3-4 'g'.

Again based on the author's calculations, it is not uncommon for light aircraft cabins to start to disintegrate and/or collapse on the occupants if the crash forces exceed 9 or 10 'g'. And yet, some manufacturers have produced aircraft for aerial application that have cockpits that can withstand up to 40 'g'. Engineering design changes can sharply reduce the death and injury rate in general aviation accidents.
Format:

PDF
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:2b1db1f2ae358c9c053ab954cfc24694ff7e3241f808b807aee3b548605f021f
Download URL:

https://rosap.ntl.bts.gov/view/dot/20923/dot_20923_DS1.pdf
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General aviation structures directly responsible for trauma in crash decelerations.

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