14 C.F.R. § 29.1025 Oil valves.
Title 14 - Aeronautics and Space
(a) Each oil shutoff must meet the requirements of §29.1189. (b) The closing of oil shutoffs may not prevent autorotation. (c) Each oil valve must have positive stops or suitable index provisions in the “on” and “off” positions and must be supported so that no loads resulting from its operation or from accelerated flight conditions are transmitted to the lines attached to the valve.
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart E—Powerplant
Oil System
§ 29.1025 Oil valves.
