释义 |
approach control
approach controlA control station in an air operations control center, helicopter direction center, or carrier air traffic control center, that is responsible for controlling air traffic from marshal until hand-off to final control. See also helicopter direction center; marshal.approach control
approach control[ə′prōch kən‚trōl] (navigation) A radio guidance service for aircraft within 10 to 20 miles (16 to 32 kilometers) of their destination airport that provides steering vectors and speed values to properly place the aircraft for entry into the airport traffic pattern and to provide safe spacing from neighboring aircraft. AcronymsSeeAPC |