Inside the DC plane crash investigation: Air traffic staff a 'small piece' of 'very big puzzle,' official says
The NTSB is investigating "thousands of data points" to find the cause of the fatal D.C. plane-helicopter crash, including ...
DC plane crash air traffic control audio reveals moment controllers saw disaster: 'Tower did you see that?'
Air Traffic Control (ATC) audio from Wednesday’s collision between an Army Black Hawk helicopter and an American Airlines jet ...
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LISTEN: Audio captures air traffic control at moment of DC crash
Audio of air traffic control captured the moment that workers observed a Black Hawk helicopter colliding with a passenger jet ...