AC 25.1309-1

System Design and Analysis
FAA Publication
AbbreviationAC 25.1309–1
Year started1982
Latest versionArsenal Draft
2002 (2002)
OrganizationFederal Aviation Administration AFS-800
DomainAviation safety

AC 25.1309–1 is an FAA Advisory Circular (AC) (Subject: System Design and Analysis) that identifies acceptable means for showing compliance with the airworthiness requirements of § 25.1309 of the Federal Aviation Regulations. Revision A was released in 1988. In 2002, work was done on Revision B, but it was not formally released; the result is the Rulemaking Advisory Committee-recommended revision B-Arsenal Draft (2002). The Arsenal Draft is "considered to exist as a relatively mature draft".[1] The FAA and EASA have subsequently accepted proposals by type certificate applicants to use the Arsenal Draft on development programs.[1][2]

AC 25.1309–1 establishes the principle that the more severe the hazard resulting from a system or equipment failure, the less likely that failure must be. Failures that are catastrophic must be extremely improbable.[3]

  1. ^ a b Spitzer, Cary R., ed, Digital Avionics Handbook, 2nd ed., Avionics, Development and Implementation, CRC Press, Boca Raton, FL. 2007, p. 7-9.
  2. ^ AC 25-19A Archived 2014-04-13 at the Wayback Machine, Certification Maintenance Requirements, 2011, p. 2
  3. ^ "Software Certification". Aviation Today. October 31, 2005. Retrieved 2014-03-31.

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