14 CFR 121.251

§ 121.251 Engine accessory section diaphragm.

United States · 14 CFR — Aeronautics and Space · Status: effective

Cite this

Citation: 14 CFR 121.251, § 121.251 Engine accessory section diaphragm, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/56693
Permanent ID: ys:prov:56693@1
SHA-256: 4c0d2c3e232f6b5eace72b7e267045d58752feda558ee56874116171aa635702

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Full text

Unless equivalent protection can be shown by other means, a diaphragm that complies with § 121.247 must be provided on air-cooled engines to isolate the engine power section and all parts of the exhaust system from the engine accessory compartment.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.