A small hand-operated valve to let in liquid to operate a valve that is difficult to turn by hand.

plural of pilot valve

plural of pilot wheel

A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, especially an automatic machine tool, by hand.

(aviation) An aviator who flies new and modified aircraft in specific maneuvers.

pilot light

plural of pilot lamp

A village in Pill and Easton-in-Gordano parish, North Somerset, Somerset, England (OS grid ref ST5275).

A municipality of Tyrol, Austria.

A surname.