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

Investigators testifying at a hearing into the January's mid-air crash in DC suggest faulty altitude data may have led to a ...

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

A National Transportation Safety Board hearing revealed that the U.S. Army was aware of altitude discrepancies on Black Hawk ...

Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above ...

New documents from investigators reveal muffled communications during the final minutes before the helicopter collided with a ...

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.

Dan Cooper with Sikorsky helicopters said that when the Black Hawk helicopter involved in the crash was designed in the 1970s ...

The National Transportation Safety Board (NTSB) began a three day hearing in Washington, D.C., to investigate the midair ...

Emergency crews were on the scene of a vehicle crash involving a horse-and-buggy crash Wednesday in Colerain Township, where ...

Investigators probing the January midair collision of a passenger plane and an Army helicopter over Washington that killed 67 ...