This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's ...

Investigators found the recording devices, or black boxes, from the American Airlines plane that collided with a helicopter ...

Black box' recorder recovered from jet which collided with helicopter killing 67 - Officials say there are no survivors among ...

The fatal collision between a passenger plane and a military helicopter is expected to have killed all 67 involved.

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.

While speaking to the local reporters, the US National Transportation Safety Board said that the recorders are the key ...

Federal authorities are asking questions as to how the collision between an American Airlines flight and a military helicopter could have occurred.

An American Airlines passenger jet collided with an Army helicopter at Washington National Airport, killing 67. President ...

The NTSB says it has recovered data collectors from a jet carrying 64 people after it collided with an Army Black Hawk ...

Washington, D.C. fire chief said on Thursday that there are likely no survivors in the midair collision of a passenger plane ...

Authorities believe there are no survivors in the accident, which happened as a regional passenger jet was attempting to land ...

U.S. authorities said on Thursday it was not yet clear why a regional jet crashed into a U.S. Army helicopter at a Washington ...