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The process is analogous to 'after-market' parts for automobiles, except that the United States aircraft parts production market remains tightly regulated by the FAA. An applicant for a PMA applies for approval from the FAA. The FAA prioritizes its review of a new application based on its internal process called Project Prioritization. [5]
The manufacturers that meet these standards are issued Parts Manufacturer Approval (PMA) by the FAA. Because the United States was the first nation to adopt rules permitting the manufacture of aircraft after market parts (and for many decades was the only nation with these rules), the PMA industry is primarily concentrated in the United States.
An aircraft part is an article or component approved for installation on a type-certificated aircraft. Approval for these parts is derived from the jurisdictions of the countries that an aircraft is based. In the United States, the Federal Aviation Administration oversees the approval for these parts under Federal Aviation Regulation Part 21.
Unapproved aircraft parts are aircraft parts not approved by civil aviation authorities for installation on type certified aircraft. [1]For example, the Federal Aviation Administration (FAA) defines a "standard part" as a part produced in accordance with government regulations, and it defines an "approved part" as a "standard part" that is in accordance with a specific set of criteria and ...
Superior Air Parts started as a manufacturer of valve guides in 1967. The company branched out into FAA/PMA approved parts for general aviation aircraft. The company manufactures replacement parts for Lycoming and Continental aircraft engines. The cylinder assemblies use newer cylinder head alloys and fully hardened cylinder liners. [1]
In the case of the USA, for example, that authority is the FAA, and if the FAA finds that the proposed changes are too substantial, a new type certificate will be required under 14 CFR 21.19. In this case, a substantially complete investigation of compliance with the applicable regulations will be required. [1] [2]
A Technical Standard Order (TSO) is a minimum performance standard issued by the United States Federal Aviation Administration for specified materials, parts, processes, and appliances used on civil aircraft.
FAA staff do attend "many critical tests involving safety issues — such as flammability of new materials and design of flight controls". [4] The ODA status is granted for an aircraft manufacturer to act as the proxy on certification oversight. [5] Previous to the ODA programme, "engineers in that role were approved by and reported directly to ...