On March 23, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.

在周三午夜，在没有空中交通管制员指引的情况下，间隔很短的两架飞机降落在Ronald Reagan华盛顿国际机场。

youdao

On Wednesday, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.

在周三午夜，在没有空中交通管制员指引的情况下，间隔很短的两架飞机降落在Ronald Reagan华盛顿国际机场。

youdao

Think of the controller as the air traffic controller at an airport, giving direction to the coming and going of aircraft.

我们可以将控制器想象为机场的空中交通控制器，指挥飞机的进出方向。

youdao

The pilot and air traffic controller discussed options, including landing at Teterboro airport in New Jersey, the official said.

CNN: Pilot praised for 'masterful' landing

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.

CNN: Airports can make case to keep their control towers open