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

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

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

Investigators have already recovered the cockpit voice recorder and flight data recorder of the American Airlines plane that ...

Two planes aborted landings at Reagan National Airport in the past week due to military helicopters in their flight path, ...

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

Divers are expected to return to the Potomac River as part of the recovery and investigation after the United States' ...

Divers are expected to return to the Potomac River on Friday as part of the recovery and investigation after a midair ...

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.

Black boxes have been recovered from the crashed American Airlines plane, with tests being carried out in a laboratory. Meanwhile, air traffic control audio has revealed another flight at the same ...

Airlines have issued travel waivers to help passengers whose flights into and out of Washington, D.C., were affected ...