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The FAA's Advisory Circular System is defined in FAA Order 1320.46D. [2] By writing advisory circulars, the FAA can provide guidance for compliance with airworthiness regulations, pilot certifications, operational standards, training standards, and any other rules within the 14 CFR Aeronautics and Space title, aka 14 CRF or FARs. The FAA also ...
Circular A-131: Value Engineering, issued 26 January 1988, revised 21 May 1993 [2] and 26 December 2013. Contains guidance to support the sustained use of value engineering by federal departments and agencies; Circular A-133: Audits of states, local government and non-profit organizations: see OMB A-133 Compliance Supplement
Software was still considered to be assessed and controlled by other means; that is, by RTCA/DO-178A or later revision, via Advisory Circular AC 20-115A. [19] 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).
An airworthiness directive (commonly abbreviated as AD) is a notification to owners and operators of certified aircraft that a known safety deficiency with a particular model of aircraft, engine, avionics or other system exists and must be corrected.
The earliest revisions of the Advisory Circular were brief, serving little more than to call attention to active DO-178 revisions. The Advisory Circular revisions C and D are considerably longer, giving guidance in modifying and re-using software previously approved using DO-178, DO-178A, or DO-178B (preceding revisions of the DO-178 standard).
The following is a list of circular letters issued by the US Office of Management and Budget which provide significant information and guidance for Federal agencies, recipients, auditors, and the general public over the use and management of federal funds, operations of federal assistance programs, and agencies' and recipients' compliance ...
AC 91–57() is an FAA Advisory Circular (AC) (Subject: Exception for Limited Recreational Operations of Unmanned Aircraft) that provides interim safety guidance to individuals operating unmanned aircraft, commonly known as drones, but inclusive of flying model aircraft, for recreational purposes in the National Airspace System of the United States.
The Advisory Circular AC 00-69, Best Practices for Airborne Software Development Assurance Using EUROCAE ED-12( ) and RTCA DO-178( ), initially issued in 2017, supports application of the active revisions of ED-12C/DO-178C and AC 20-115.