The U.S. Army helicopter that collided with an passenger jet near Washington, D.C., had an advanced surveillance system turned off.

An American Airlines plane with 64 people on board collided with an Army helicopter over Washington, D.C., and crashed into ...

Marks said that the crash is the first time in modern US history that two aircraft collided in midair. CNN “Helicopter precision pilots should not be 75 feet off assigned altitude,” he said.

WASHINGTON – The U.S. Army helicopter that collided with an American Airlines plane killing 67 people last week had turned off an advanced ... cause of the crash is expected to take one to ...