Regulations last checked for updates: Dec 19, 2025

Title 40 - Protection of Environment last revised: Nov 19, 2028
All TitlesTitle 40Chapter IPart 87 - PART 87—CONTROL OF AIR POLLUTION FROM AIRCRAFT AND AIRCRAFT ENGINES
View all text of Part 87 [§ 87.1 - § 87.60]
§ 87.48 - Derivative engines for emissions certification purposes.

Provisions related to derivative engines for emissions certification purposes apply as described in 40 CFR 1031.130.

authority: 42 U.S.C. 7401
source: 87 FR 72350, Nov. 23, 2022, unless otherwise noted.
cite as: 40 CFR 87.48
© 2014 CustomsMobile | Disclaimer | Privacy | About