14 C.F.R. § 23.659 Mass balance.
Title 14 - Aeronautics and Space
The supporting structure and the attachment of concentrated mass balance weights used on control surfaces must be designed for— (a) 24 g normal to the plane of the control surface; (b) 12 g fore and aft; and (c) 12 g parallel to the hinge line.
Title 14: Aeronautics and Space
PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Subpart D—Design and Construction
Control Surfaces
§ 23.659 Mass balance.
