Footage of an air traffic radar screen shows the American Airlines flight making a routine landing when the US military Black ...

While the helicopter involved in the fatal crash near Reagan Airport flew a route that passed by other planes, it was flying ...

The flight radar shows how the US Army Black helicopter, carrying three Army personnel - with call sign PAT25 - hit American ...

The military helicopter that collided with an American Airlines flight over Washington, DC, was flying nearly twice as high ...

Radar images of the army helicopter and passenger plane that crashed over DC have revealed that the air system warned of a "collision alert" moments before the crash.

As the investigation into a deadly aircraft collision in D.C. Is just starting, many are turning their eyes to safety.

Footage of an air traffic control room screen shows the radar view of an American Airlines plane colliding with a military helicopter.

Clues emerging from the moments before an Army helicopter collided with a passenger jet suggest breakdowns in the system ...

Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.