The National Transportation Safety Board is holding hearings in Washington, D.C., this week to try to figure out what caused ...

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 ...

The U.S. Army helicopter involved in the midair collision over Ronald Reagan National Airport in January was flying higher ...