All major parts of the plane and Black Hawk helicopter involved in a mid-air collision in Washington DC have been recovered.
As federal officials continue investigating what caused the deadliest U.S. air crash ... investigation. Michael Ciaglo/Getty Images U.S. Army Sikorsky UH-60 Black Hawk helicopter. Prior to the ...
Nearly a week following the mid-air collision over the Potomac River between an American Airlines jet and an Army helicopter, ...
The NTSB is continuing its investigation into the collision between the Black Hawk helicopter and the regional passenger jet ...
That we are going to leave no stone unturned in this investigation ... will be the deadliest U.S. air crash since 2001.
Air traffic controller 'allowed to leave early' before mid-air collision with Army helicopter - Questions grow about air ...