Air traffic control tower (ATCT) - An ATCT is located at every airport that has regularly scheduled flights. Towers handle all takeoff, landing, and ground traffic.

• 机场管制塔台(ATCT)-有正规航班的每一个机场都有空中交通管制塔台,即地面指挥控制中心。它负责所有机场内飞机的起飞,着陆,及地面调度。