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

The head of the National Transportation Safety Board sharply criticized U.S. officials for failing to act before the January ...

US Army Black Hawk near Washington found a key instrument on the helicopter was displaying inaccurate altitude data that ...

A preliminary report from the National Transportation Safety Board details what happened before and during the flight of a ...

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