A Traffic Management Coordinator at the Philadelphia International Airport Control Tower said.

费城国际机场的交通管理协调员Tower说。

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Air traffic control tower (ATCT) - An ATCT is located at every airport that has regularly scheduled flights.

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。

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TWR to Cabin: Good evening ladies and gentlemen. I'm ur air traffic controller speaking to u from the control tower here at Vancouver airport.

晚上好，女士们先生们，我是你们的管制员，在温哥华机场塔台与你们通话。

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Petersburg airport's air-traffic control tower, which then notified Tampa International Airport, Tampa police said.

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Tower closures would not necessarily result in airport closures, because some aircraft can land without air traffic control help, and those that need controller help can communicate with more distant FAA facilities.

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The city's international airport was also closed to flights at one point, and staff began building a temporary control tower, as air traffic facilities were switched to emergency power sources.

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