14 CFR 33.90
§ 33.90 Initial maintenance inspection test.
United States · 14 CFR — Aeronautics and Space · Status: effective
Cite this
- Citation
- 14 CFR 33.90, § 33.90 Initial maintenance inspection test, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/55106
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Full text
Each applicant, except an applicant for an engine being type certificated through amendment of an existing type certificate or through supplemental type certification procedures, must complete one of the following tests on an engine that substantially conforms to the type design to establish when the initial maintenance inspection is required:
(a) An approved engine test that simulates the conditions in which the engine is expected to operate in service, including typical start-stop cycles.
(b) An approved engine test conducted in accordance with § 33.201 (c) through (f).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.