14 CFR 27.1013

§ 27.1013 Oil tanks.

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

Cite this

Citation: 14 CFR 27.1013, § 27.1013 Oil tanks, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/54576
Permanent ID: ys:prov:54576@1
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Full text

Each oil tank must be designed and installed so that— (a) It can withstand, without failure, each vibration, inertia, fluid, and structural load expected in operation; (b) [Reserved] (c) Where used with a reciprocating engine, it has an expansion space of not less than the greater of 10 percent of the tank capacity or 0.5 gallon, and where used with a turbine engine, it has an expansion space of not less than 10 percent of the tank capacity. (d) It is impossible to fill the tank expansion space inadvertently with the rotorcraft in the normal ground attitude; (e) Adequate venting is provided; and (f) There are means in the filler opening to prevent oil overflow from entering the oil tank 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.