14 CFR 121.281
§ 121.281 Fuel system independence.
United States · 14 CFR — Aeronautics and Space · Status: effective
Cite this
- Citation
- 14 CFR 121.281, § 121.281 Fuel system independence, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/56708
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Full text
(a) Each airplane fuel system must be arranged so that the failure of any one component does not result in the irrecoverable loss of power of more than one engine.
(b) A separate fuel tank need not be provided for each engine if the certificate holder shows that the fuel system incorporates features that provide equivalent safety.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.