14 CFR 27.961
§ 27.961 Fuel system hot weather operation.
United States · 14 CFR — Aeronautics and Space · Status: effective
Cite this
- Citation
- 14 CFR 27.961, § 27.961 Fuel system hot weather operation, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/54561
- Permanent ID
ys:prov:54561@1- SHA-256
98218ef349a2b6d44381dd3b11cd617c43d675a1ff3c7b4f74f995e707f97de2
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
Each suction lift fuel system and other fuel systems with features conducive to vapor formation must be shown by test to operate satisfactorily (within certification limits) when using fuel at a temperature of 110 °F under critical operating conditions including, if applicable, the engine operating conditions defined by § 27.927 (b)(1) and (b)(2).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.