International Air Traffic Communications Receiver Station
International Air Traffic Communications System
International Air Traffic Communications Transmitter Station
instrument of international traffic bond
international air service
International Air Transport
International Air Transport Association
International Air Transport Assoiciation
international traffic in arms regulations
Swiss International Air Lines
air traffic advisory service
air traffic and volmet service
Air Traffic Control
空中交通管制
航迹追踪
空中交通管理
飞航管制
航空管制
航空交通管制
空管
航空运输空管
空中航行管制
空中交通管制ATC
空中交通管制(ATC)
空中交通控制
air traffic control ATC