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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 ...
FAA Order 1320.46C (Advisory Circular System) section 10 (Using references in the text of an AC) para. h explains "Do not use the acronym "FAR" to refer to FAA's regulations. Neither the Department of Transportation nor the Office of the Federal Register allow us to use "FAR" for our regulations.
The circular provides a rationale for the upper limit for the Average Probability per Flight Hour for Catastrophic Failure Conditions of 1 x 10 −9 or "Extremely Improbable". [5] Failure Conditions resulting in relatively more severe effects must be relatively less likely to occur; that is, an inverse relationship between severity and ...
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 Advisory Circular AC 20-152A, Development Assurance for Airborne Electronic Hardware, identifies the RTCA-published standard DO-254 as defining "an acceptable means, but not the only means" to secure FAA approval of electronic hardware for use within the airspace subject to FAA authority. With the 2022 release of Revision A, this Advisory ...
Daniel Cohan, a professor and researcher at Rice University, sits on one of the EPA's scientific advisory boards and is skeptical of the claim that environmental regulations stifle business.
The FAA defined FOQA in its Advisory Circular #120-82, dated April 12, 2004. The agency's Air Transportation Operations Inspector's Handbook (FAA Order 8400.10, August 9, 2006) details what a valid FOQA system contains. An excerpt from Volume 1, Chapter 5, Section 2, page 1-221 of this FAA document states: "Flight Operational Quality Assurance ...
California Gov. Gavin Newsom declared a state of emergency Wednesday to combat bird flu, which has spread to more than a quarter of all the state's dairies in the last month and infected 34 state ...