Washington DC plane crash: Chilling audio reveals devastating air traffic reaction to deadly collision

Listen to the chilling air traffic control radio from the moments before and after a deadly collision between an American Airlines plane and a military helicopter.

The airline has confirmed 60 passengers and four crew were on board the Bombardier CRJ700 at the time. Three people were travelling on the chopper.

In the aftermath of the tragedy, Air Traffic Control (ATC) audio emerged from the incident.

An audible gasp can be heard as the tower immediately alerted another pilot of the developing situation.