14 CFR 125.143

§ 125.143 Firewalls.

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

Cite this

Citation: 14 CFR 125.143, § 125.143 Firewalls, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/57090
Permanent ID: ys:prov:57090@1
SHA-256: 3156702c1a539283a7fbbd306776dabb13cb97da4cc350547c40cb0894d49389

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Full text

Each engine, auxiliary power unit, fuel-burning heater, or other item of combusting equipment that is intended for operation in flight must be isolated from the rest of the airplane by means of firewalls or shrouds, or by other equivalent means.

Legislative history

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