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Certification Review Item (CRI) is a document describing an item that requires disposition prior to the issuance of Type Certificate (TC), change to TC approval or Supplemental Type Certificate (STC) by European Aviation Safety Agency (EASA).
The airworthiness requirements for transport category (large civil aircraft, both airplanes and helicopters) are contained in Title 14, Code of Federal Regulations (14 CFR) part 25 (commonly referred to as part 25 of the Federal Aviation Regulations (FAR)).
An emergency airworthiness directive (EAD) is an airworthiness directive issued when unsafe conditions require immediate action by an aircraft owner or operator. An EAD is published by a responsible authority such as the FOCA, EASA or FAA related to airworthiness and maintenance of aircraft and aircraft parts. It contains measures which must be ...
A supplemental type certificate (STC) originally issued in 1960 by the Federal Aviation Administration (FAA) A supplemental type certificate (STC) is a civil aviation authority-approved major modification or repair to an existing type certified aircraft, engine or propeller. As it adds to the existing type certificate, it is deemed "supplemental".
Processes are intended to support the objectives, according to the software level (A through D—Level E was outside the purview of DO-178B). Processes are described as abstract areas of work in DO-178B, and it is up to the planners of a real project to define and document the specifics of how a process will be carried out.
Title 14 CFR – Aeronautics and Space is one of the fifty titles that make up the United States Code of Federal Regulations (CFR). Title 14 is the principal set of rules and regulations (sometimes called administrative law) issued by the Department of Transportation and Federal Aviation Administration, federal agencies of the United States which oversee Aeronautics and Space.
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 issues ADs by three different processes: [5] Standard AD process: Notice of Proposed Rulemaking (NPRM), followed by a Final Rule; Final Rule and Request for Comments; Emergency airworthiness directives – issued without time for comment. This is only used issued "when an unsafe condition exists that requires immediate action by an ...