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.

Cockpit warnings logged by air traffic controllers show a record of persistent collision risks near Reagan National Airport ...

Pilots who agree initiate a swooping turn that on final approach brings them northwest and low across the river — the path ...

Investigators with the National Transportation Safety Board (NTSB) are examining the wreckage after an American Airlines plane and Black Hawk helicopter collided ...

The “major pieces” of the American Airlines plane and the Black Hawk helicopter have been recovered, and will be transported to a “secure airport facility for further examination ...

The Army was one of 28 government agencies authorized to fly helicopters near DCA before last week's midair collision that ...