Who was flying the American Airlines plane and Black Hawk helicopter before Washington DC crash? - Officials have recovered 40 bodies from the wreckage after American Airlines flight collided with Bla

The Black Hawk helicopter that crashed into an American Airlines flight was alerted to the plane’s presence by air control twice.

Video recorded by bystanders shows the harrowing moment when the 2 aircraft crashed into one another, causing an explosion over the nation's capital.