14 C.F.R. § 23.151 Acrobatic maneuvers.
Title 14 - Aeronautics and Space
Each acrobatic and utility category airplane must be able to perform safely the acrobatic maneuvers for which certification is requested. Safe entry speeds for these maneuvers must be determined.
Title 14: Aeronautics and Space
PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Subpart B—Flight
Controllability and Maneuverability
§ 23.151 Acrobatic maneuvers.