(a) The fuel efficiency limits in this section are expressed as maximum permitted fuel efficiency metric values, as calculated under § 38.11.
(b) The fuel efficiency metric value of an airplane subject to this part may not exceed the following, rounded to three decimal places:
source: Docket No. FAA-2022-0241, Amdt. No. 21-107, 89 FR 12654, Feb. 16, 2024, unless otherwise noted.
cite as: 14 CFR 38.17