| 1. | the direction of airplane movements, esp. takeoffs and landings, by messages from the ground. |
| 2. | the system by which this direction is done. |
| 3. | the office from which this direction is done. |
| 4. | the system by which the pilot of an airplane controls the movement of the airplane. |
| flight control | |
noun | |
| control from ground stations of airplanes in flight by means of messages transmitted to the pilot electronically |