any instrument used to indicate the altitude, attitude, airspeed, drift, or direction of an aircraft.


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  • Flight-leader

    noun 1. a pilot who commands a flight of military airplanes.

  • Flightless

    [flahyt-lis] /ˈflaɪt lɪs/ adjective 1. incapable of flying: flightless birds such as the moa, rhea, and dodo. /ˈflaɪtlɪs/ adjective 1. (of certain birds and insects) unable to fly See also ratite adj. 1875, from flight (n.1) + -less.

  • Flight level

    noun 1. (aeronautics) a specified height at which an aircraft is allowed to fly

  • Flight lieutenant

    noun 1. an officer holding a commissioned rank senior to a flying officer and junior to a squadron leader in the RAF and certain other air forces
