Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

The Army Black Hawk is said to have been flying higher than it should have been when it collided with a passenger jet, killing 67 people. And the air traffic controller on duty was doing a job usually ...

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

Emergency teams will continue efforts to retrieve the bodies of those who died when a passenger jet and helicopter collided.