Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2023-01-01Original Date: 2023-01-01Title: Section 33.53 - Engine system and component tests.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 33 - AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES. Subpart D - Block Tests; Reciprocating Aircraft Engines.
§ 33.53 Engine system and component tests. (a) For those systems and components that cannot be adequately substantiated in accordance with endurance testing of § 33.49, the applicant must conduct additional tests to demonstrate that systems or components are able to perform the intended functions in all declared environmental and operating conditions. (b) Temperature limits must be established for each component that requires temperature controlling provisions in the aircraft installation to assure satisfactory functioning, reliability, and durability. [Doc. No. 3025, 29 FR 7453, June 10, 1964, as amended by Amdt. 33–26, 73 FR 48285, Aug. 19, 2008]