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Regulations last checked for updates: Apr 03, 2025
Title 14 - Aeronautics and Space last revised: Mar 20, 2025
All Titles
Title 14
Chapter I
Part 38 - PART 38—AIRPLANE FUEL EFFICIENCY CERTIFICATION
Subpart A [§ 38.1 - § 38.9] - Subpart A—General
Subpart B [§ 38.11 - § 38.23] - Subpart B—Determining Fuel Efficiency for Subsonic Airplanes
authority:
42 U.S.C. 4321
source:
Docket No. FAA-2022-0241, Amdt. No. 21-107, 89 FR 12654, Feb. 16, 2024, unless otherwise noted.
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