Regulations last checked for updates: May 18, 2024

Title 14 - Aeronautics and Space last revised: Apr 18, 2026
§ 33.1 - Applicability.

(a) This part prescribes airworthiness standards for the issue of type certificates and changes to those certificates, for aircraft engines.

(b) Each person who applies under part 21 for such a certificate or change must show compliance with the applicable requirements of this part and the applicable requirements of part 34 of this chapter.

[Amdt. 33-7, 41 FR 55474, Dec. 20, 1976, as amended by Amdt. 33-14, 55 FR 32861, Aug. 10, 1990]
authority: 49 U.S.C. 106(g), 40113, 44701, 44702, 44704
source: Docket No. 3025, 29 FR 7453, June 10, 1964, unless otherwise noted.
cite as: 14 CFR 33.1