{"data":{"id":"us/14-cfr-27.961","jurisdiction":"us","citation":"14 CFR 27.961","heading":"Fuel system hot weather operation.","body":"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).","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT","Subpart E—Powerplant"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"98218ef349a2b6d44381dd3b11cd617c43d675a1ff3c7b4f74f995e707f97de2","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-27.959","next":"us/14-cfr-27.963"},"notice":"GroundRules: Original legal text. Not legal advice."}