Refreshing the “1% Rule” as the Basis for an AAM Acceptable Level of Safety

Greenhaw, Richard; Tvaryanas, Anthony P

doi:10.21949/1524451

i

Refreshing the “1% Rule” as the Basis for an AAM Acceptable Level of Safety

2023-09-18
By Greenhaw, Richard ; Tvaryanas, Anthony P

File Language:

English

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Creators:

Greenhaw, Richard ; Tvaryanas, Anthony P
Corporate Creators:

United States. Department of Transportation. Federal Aviation Administration. Office of Aviation. Civil Aerospace Medical Institute
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Office of Aviation. Office of Aerospace Medicine
Subject/TRT Terms:
DOI:

https://doi.org/10.21949/1524451
Resource Type:

Presentations
Geographical Coverage:

United States
Edition:

Presentation
Corporate Publisher:

United States. Department of Transportation. Federal Aviation Administration. Office of Aviation. Office of Aerospace Medicine
Abstract:

The purpose of the study is to determine the Acceptable Level of Safety (ALOS) for pilot incapacitation in part 121 operations when the assumptions underlying the internationally recognized “1% rule” are revised using current data. The study was begun as a response to FAA Order VS 8000.367D, AVSSMS with QMS Requirements: Oversight organizations such as the Office of Aerospace Medicine must determine the acceptable level of safety performance for those components of the aerospace system for which they have oversight responsibility. The 1% rule was used as a model because it was the initial framework linking aeromedical risk acceptance to airworthiness risk accepted by engineers, it has been incorporated into European Joint Aviation Authorities’ guidance, it is accepted in EASA guidelines, and has been endorsed by ICAO as threshold of choice. METHODS. A literature search produced 1% rule information that was deconstructed to give eight statements which, together, provide a logical development for the existing rule.
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/70430/dot_70430_DS1.pdf
File Type:

[PDF - 849.32 KB]
Collection(s):

FAA Civil Aerospace Medical Institute
Main Document Checksum:

urn:sha-512:260900b108c270ee73bfba95d927f944240c12d42a20ace4eceebd3a27dc6fb7e5a353a50eb7aacd9d480c27e9af9c0c2daeed5a4fcc09a3e5ee44543c7c76fd

File Language:

English

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