14 CFR Part 38
13 sections · 1 appendices · 2 subparts · Amended 2026-09-15
AIRPLANE FUEL EFFICIENCY CERTIFICATION
Authority42 U.S.C. 4321 et seq., 7572; 49 U.S.C. 106(g), 40113, 44701-44702, 44704; 49 CFR 1.83(c)
SourceDocket No. FAA-2022-0241, Amdt. No. 21-107, 89 FR 12654, Feb. 16, 2024, unless otherwise noted.