Flotation characteristics of aircraft passenger seat cushions.

McFadden, Ernest B.; Simpson, James M.; United States. Office of Aviation Medicine

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Flotation characteristics of aircraft passenger seat cushions.

1966-04-01
By McFadden, Ernest B. ; Simpson, James M.

[PDF-811.11 KB]

English

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Creators:

McFadden, Ernest B. ; Simpson, James M.

McFadden, Ernest B. ; Simpson, James M. Less -
Corporate Creators:

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

[+]

Aircraft Accidents Airplanes--Seats Air Transportation Crashes Bodies Of Water Buoyancy Dynamic Loads Dynamic Tests Field Experiments Field Tests Flotation Flotation--Equipment And Supplies Human Subject Testing Life Preservers Prototypes, Engineering Prototype Tests Rescue Equipment Seats Static Tests Urethane Foam Water Areas
Publication/ Report Number:

AM 66-13 ; DOT/FAA/AM-66/13

AM 66-13 ; DOT/FAA/AM-66/13 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

Flotation characteristics of aircraft seat cushions were evaluated with respect to their utilization as individual flotation devices. The Federal Aviation Agency Technical Standard Order C-72 states that individual flotation devices shall provide a minimum of 14 pounds of buoyancy for a period of 8 hours. When statically tested with an inanimate mass, initial prototype cushions successfully met and exceeded this requirement. When dynamically evaluated by human subjects in moderate wave action, these prototypes failed in 8 minutes.

These cushions therefore met the provisions of the Technical Standard Order as written but did not meet the intent. Progressive development has resulted in a number of seat-cushion designs utilizing a variety of techniques to provide adequate survivor flotation. Prototypes of these seat cushions were subjected to dynamic and more realistic evaluation by human subjects both in the field and laboratory. A comparison of mechanical- and human-subject evaluations is included. Survivor body-flotation attitude and seat-cushion retention devices are also discussed.
Format:

PDF
Collection(s):

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

[+]

urn:sha256:386312a7d777ae467bbc70eacdd636c56b8feee9c78528e745cad387bf43b5fb
Download URL:

https://rosap.ntl.bts.gov/view/dot/20782/dot_20782_DS1.pdf
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Flotation characteristics of aircraft passenger seat cushions.

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