14 C.F.R. § 23.459 Special devices.
Title 14 - Aeronautics and Space
The loading for special devices using aerodynamic surfaces (such as slots and spoilers) must be determined from test data.
Title 14: Aeronautics and Space
PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Subpart C—Structure
Ailerons and Special Devices
§ 23.459 Special devices.