Comparison of Buckle Release Timing for Push-Button and Lift-Latch Belt Buckles

Gowdy, Van; McLean, G. A.; George, Mark H.; United States. Federal Aviation Administration. Office of Aviation Medicine

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Comparison of Buckle Release Timing for Push-Button and Lift-Latch Belt Buckles

1999-02-01
By Gowdy, Van ; McLean, G. A. ; George, Mark H.

[PDF-287.47 KB]

English

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Details:

Creators:

Gowdy, Van ; McLean, G. A. ; George, Mark H.

Gowdy, Van ; McLean, G. A. ; George, Mark H. Less -
Corporate Creators:

United States. Federal Aviation Administration. Office of Aviation Medicine
Corporate Contributors:

Federal Aviation Administration
Subject/TRT Terms:

[+]

Aviation Aviation Safety Buckles (Fasteners) Human Factors Passenger Transportation Reaction Time Restraint Systems Safety And Human Factors Seat Belts Small Aircraft Vehicles And Equipment
Publication/ Report Number:

DOT/FAA/AM-99/5
Resource Type:

Tech Report
Geographical Coverage:

United States ; Washington (District of Columbia)

United States ; Washington (District of Columbia) Less -
Edition:

Final Report
Corporate Publisher:

United States. Department of Transportation. Federal Aviation Administration
Abstract:

Small aircraft passenger restraint systems most commonly use lift-latch type buckle release mechanisms. Push-button buckle release mechanisms, similar to those used in contemporary automobiles, have rarely been used on passenger restraints. Although push-button buckles are not explicitly prohibited by Federal Aviation Administration (FAA) regulations, the human factors aspects of introducing push-button buckles in an aircraft environment are important considerations from the standpoint of safety. A test program was conducted by the FAA Civil Aerospace Medical Institute (CAMI) with volunteer human subjects to measure and compare the times it takes a passenger to release a push-button buckle on a 3-point restraint, a common lift-latch buckle on a 3-point restraint, and a lift-latch buckle on a common lap belt. Sixty subjects were tested in a repeated-measures counterbalanced test protocol, which included instrumentation to measure the response times to release the buckle. Response time for the subjects to exit the seat and press a remote button was also acquired. This report includes the physical profiles of the subjects, the test protocol, and a statistical summary of the results. Based on the data acquired in this project, there was no major difference in the response times of the human subjects to release or egress from a 3-point restraint with a push-button buckle, compared with a lift-latch buckle on a 3-point or a common lap belt restraint. This study was intended to address factors associated with the use of push-button buckles restraint systems in small airplanes. Any consideration of the use of push-button buckles on commercial transport aircraft passenger seats should include data on a broader range of human factors.
Format:

PDF
Collection(s):

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

[+]

urn:sha256:5a7e259e0a1356d2f141cf3912c4ac7ceefb2e7dd894192c2799f02238cbed74
Download URL:

https://rosap.ntl.bts.gov/view/dot/40210/dot_40210_DS1.pdf
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Comparison of Buckle Release Timing for Push-Button and Lift-Latch Belt Buckles

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