14 CFR 33.33
§ 33.33 Vibration.
United States · 14 CFR — Aeronautics and Space · Status: effective
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- Citation
- 14 CFR 33.33, § 33.33 Vibration, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/55061
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Full text
The engine must be designed and constructed to function throughout its normal operating range of crankshaft rotational speeds and engine powers without inducing excessive stress in any of the engine parts because of vibration and without imparting excessive vibration forces to the aircraft structure.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.