14 C.F.R. § 27.935 Shafting joints.
Title 14 - Aeronautics and Space
Each universal joint, slip joint, and other shafting joints whose lubrication is necessary for operation must have provision for lubrication.
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart E—Powerplant
Rotor Drive System
§ 27.935 Shafting joints.
