All major pieces of the American Airlines plane and Black Hawk helicopter that collided last week in Washington, DC, have been recovered, the National Transportation Safety Board announced Saturday.

Hundreds of families are in mourning after an American Airlines regional jet collided with a U.S. Army Black Hawk helicopter ...

After the NTSB and FAA briefed Senators on Thursday, it appears that a key safety system was turned off in the helicopter that collided with a passenger plane.