1) Airport supervisor 2) Freeware game 3) Multiplayer online game 4) Sierra Entertainment game 5) Spaceflight management center 6) Windows-only freeware game 7) Windows-only game 
[video game] Ground Control is a 2000 real-time tactics video game developed by Massive Entertainment. It features 3D graphics and a free-floating camera which allows one to zoom in and out and view the action from any angle, from a bird`s-eye view to the perspective of one`s own assault units at ground level. As a real-time tactics game, G...
Tower control, by radioed instructions from air traffic control, of aircraft ground movements at an airport.
The regulation and final arresting of the closure of the walls of a mined area. The term generally refers to measures taken to prevent roof falls or coal bursts.
The regulation and final arresting of the closure of the walls of a mined area. The term generally refers to measures taken to prevent roof falls or coal bursts.
[n] - a communication system for sending continuous radio messages to an airplane pilot who is making a ground-controlled approach to landing
noun a communication system for sending continuous radio messages to an airplane pilot who is making a ground-controlled approach to landing