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Code · CFR · Title 14 — Aeronautics and Space · Part 121 — Operating Requirements: Domestic, Flag, and Supplemental Operations · § 121.281

§ 121.281. Fuel system independence.

57 words·~1 min read·/us/cfr/t14/s§ 121.281·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(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.
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