The Army helicopter that collided with a plane over D.C. in January had incorrect altitude readings, contributing to the ...

The army helicopter that crashed into a passenger jet over Washington DC was flying too high, investigators have concluded.

Military helicopter traffic over Washington was a longtime worry among aviators operating around the airport where an Army ...

Three days of investigative hearings on the deadly midair collision over Washington in January began Wednesday, aiming to ...

Transportation safety officials’ hearing reveals new details into what led to the January accident that killed 67 people.

Pilots of an Army helicopter that collided with a passenger jet near DC airport didn't know how high they were flying because of altimeter discrepancies.

The National Transportation Safety Board said on Wednesday that testing showed faulty altitude data in U.S. Army helicopters ...