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

The midair collision between an American Airlines jet and a US Army Blackhawk helicopter in Washington has puzzled experts, ...

Authorities have not pinpointed a reason for the collision, which happened as the regional jet was trying to land at Ronald Reagan Washington National Airport ...

Even in peak flying conditions, experts said, the airspace around Reagan Washington National Airport can challenge the most ...

The NTSB is an independent federal agency responsible for investigating all civil aviation accidents as well as serious incidents in the U.S. involving other modes of transportation, such as railroad ...