14 CFR 121.255
§ 121.255 Flammable fluids.
United States · 14 CFR — Aeronautics and Space · Status: effective
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- Citation
- 14 CFR 121.255, § 121.255 Flammable fluids, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/56695
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Full text
(a) No tanks or reservoirs that are a part of a system containing flammable fluids or gases may be located in designated fire zones, except where the fluid contained, the design of the system, the materials used in the tank, the shutoff means, and the connections, lines, and controls provide equivalent safety.
(b) At least one-half inch of clear airspace must be provided between any tank or reservoir and a firewall or shroud isolating a designated fire zone.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.