an airport facility that supervises the movement of aircraft and ground vehicles on ramps and taxiways.
the personnel, radar, computers, etc, on the ground that monitor the progress of aircraft or spacecraft
a system for feeding continuous radio messages to an aircraft pilot to enable him to make a blind landing
- Ground-controlled approach
[ground-kuh n-trohld] /ˈgraʊnd kənˌtroʊld/ noun, Aeronautics. 1. a system in which an observer interprets radar observations of the position of an aircraft and transmits continuous instructions to its pilot for landing. Abbreviation: GCA.
noun 1. the herbaceous plants and low shrubs in a forest, considered as a whole. 2. any of a variety of low-growing or trailing plants used to cover the ground in areas where grass is difficult to grow, as in dense shade or on steep slopes. noun 1.
noun 1. ground personnel responsible for the maintenance and repair of aircraft.
noun 1. any of several small terrestrial doves of the warmer parts of the Americas, especially Columbina passerina.