Oil valves.
CFR · 2024-01-01 · US · Title 14
(a) Each oil shutoff must meet the requirements of § 25.1189. (b) The closing of oil shutoff means may not prevent propeller feathering. (c) Each oil valve must have positive stops or suitable index provisions in
official document · source cfr-2024 · id 14:§ 25.1025