A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

Wednesday night’s crash of an American Airlines commuter plane in Washington could be one of the worst disasters for the Fort Worth-based airline in more than two decades.

Air traffic controller audio TIME retrieved from LiveATC.net revealed what happened moments before the collision. The tower had cleared the plane for landing on Runway 33, but just seconds before the crash, an air traffic operator asked the helicopter—with radio call sign PAT 25—if the commercial jet—referred to as the CRJ—was in sight.

American Airlines CEO Robert Isom provided an update on the collision of an American Airlines regional jet and Blackhawk helicopter.

After a collision of a passenger jet and an Army helicopter Wednesday night, a few flights from Des Moines to Washington, D.C., have been canceled.

Officials say a PSA Airline passenger airliner and an Army helicopter collided Wednesday night in Washington, D.C. Here's what we know about the airliner's Ohio ties.

The American Airlines Bombardier CRJ-700 collided in midair as it approached the D.C. airport around 9 p.m. local time, according to the Federal

An American Airlines regional passenger plane with a seating capacity between 66 and 78 collided with a helicopter near Ronald Reagan Washington National Airport in Washington, D.C., on Wednesday, Jan.

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.

An American Airlines commercial flight and an Army Black Hawk chopper crashed midair on Jan. 29. Here are updates on this developing story.

The helicopter was part of the 12th Aviation Battalion which is on an operational pause following the collision. It will remain so until a review is completed. Officials will look to see if the Black Hawk was in the correct corridor and altitude when it hit the plane, CNN reported.