14 C.F.R. § 23.904 Automatic power reserve system.
Title 14 - Aeronautics and Space
If installed, an automatic power reserve (APR) system that automatically advances the power or thrust on the operating engine(s), when any engine fails during takeoff, must comply with appendix H of this part. [Doc. No. 26344, 58 FR 18970, Apr. 9, 1993]
Title 14: Aeronautics and Space
PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Subpart E—Powerplant
General
§ 23.904 Automatic power reserve system.