14 CFR 27.961 : Aeronautics And Space (§ 1.1 To Parts 1311-1399) — (§ 1.1 To Parts 50-59) — Federal Aviation Administration, Department Of Transportation (§ 1.1 To Parts 50-59) — Aircraft (§ 21.1 To Parts 50-59) — Airworthiness Standards: Normal Category Rotorcraft (§ 27.1 To Appendix D To Part 27) — Powerplant (§ 27.901 To § 27.1195) — Fuel System (§ 27.951 To § 27.977) — Fuel system hot weather operation.

4 Aug 2016

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).

14 CFR 27.961

[Amdt. 27-23, 53 FR 34212, Sept. 2, 1988]