StacksVerified U.S. regulatory reference

14 CFR §38.17

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)The fuel efficiency limits in this section are expressed as maximum permitted fuel efficiency metric values, as calculated under § 38.11.
  2. (b)The fuel efficiency metric value of an airplane subject to this part may not exceed the following, rounded to three decimal places: