WUSA9 spoke with Todd Yeary, who worked in air traffic control in Chicago on 9/11, about what it is like to communicate with ...

The audio indicates that air traffic controllers tried to warn the Army helicopter about a nearby Canadair Regional Jet.

Following the collision between an American Airlines flight and Black Hawk helicopter, retired American Airlines captain Richard Levy said effective communicat ...

Audio of air traffic control captured the moment that workers observed a Black Hawk helicopter colliding with a passenger jet ...

According to the audio, the air traffic controllers reacted to the crash before starting to redirect other air traffic in the area. One person described the collision as being in the middle of the ...