Air traffic control is the activity of organizing the routes that aircraft should follow, and telling pilots by radio which routes they should take. the nation's overburdened air-traffic-control system
A game played by airline pilots and air traffic controllers The game has no rules, and neither side knows how it is played, but the goal is to prevent flights from arriving in time for passengers to make connecting flights
marine air traffic control and landing system
الواصلة
ma·rine A·ir traf·fic con·trol and land·ing sys·tem