As investigators try to uncover what happened when an airplane and a helicopter collided over the Potomac River, here is the ...

Before Wednesday's crash between a passenger jet and an Army Black Hawk helicopter, the last fatal crash involving a U.S.

A jet with 60 passengers and four crew members collided with an Army helicopter carrying three soldiers while preparing to ...

At least 28 bodies were pulled from the icy waters of the Potomac River after the helicopter apparently flew into the path of ...

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

All 64 people aboard an American Airlines jet that collided with an Army helicopter were feared dead in what was likely to be ...

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

Wednesday's crash was the deadliest in the U.S. since Nov. 12, 2001, when an American Airlines flight slammed into a residential area of Belle Harbor, New York, just after takeoff from Kennedy ...

A midair collision between an Army helicopter and a passenger jet killed all 67 people aboard the two aircraft, officials ...

The controller made another radio call to the helicopter moments later, saying "PAT 25 pass behind the CRJ" — apparently telling the copter to wait for the Bombardier CRJ-701 twin-engine jet to ...