air traffic control

noun
1
the activity of giving instructions by radio to pilots of aircraft so that they know when and where to take off or land
کنترل ترافیک هوایی, مدیریت ترافیک هوایی
2
the group of people or the organization that provides an air traffic control service
کنترل ترافیک هوایی
The pilot was given clearance to land by air traffic control.