At their closest points, helicopters and planes routinely flew within 75 feet near the airport, according to the NTSB.

Air traffic controller failed to notify commercial plane crew about approaching Army helicopter before Washington D.C.

The hearing, the second of three days, focused on the training guidance of the parties involved in the Jan. 29 incident that ...

Six months after a deadly midair collision near Washington, D.C., investigators are holding three days of hearings to uncover ...