Concerns that a deadly collision could occur at Reagan National Airport had long been building. But attempts to draw attention to potentially dangerous conditions sometimes went unheeded.

Air traffic controllers twice alerted the crew of a U.S. Army helicopter to the presence of an inbound American Airlines jet, ...

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

Washington: A jet with 60 passengers and four crew members collided with an Army helicopter crewed by three soldiers while ...

A midair collision between an Army helicopter and an American Airlines flight killed all 67 people aboard the two aircraft, ...