The NTSB is investigating "thousands of data points" to find the cause of the fatal D.C. plane-helicopter crash, including ...

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

A deadly midair collision between an American Airlines jet and an Army helicopter near the nation's capital is bringing ...

Clues emerging from the moments before an Army helicopter collided with a passenger jet suggest breakdowns in the system ...

More than 60 people were killed when an American Airlines regional passenger jet collided with a U.S. Army Black Hawk ...

Recovery operations are underway after an American Airlines flight and an Army helicopter collided and crashed into the ...

As more details emerge about the Washington, D.C. plane crash, many want to know what the PAT 25 signal the helicopter gave ...