Investigators so far have highlighted several factors that may have contributed to the collision, which left 67 people dead.

The NTSB continued its hearings Thursday into the deadly air collision between a military aircraft and a passenger jet.

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

The NTSB is holding three days of hearings to uncover insights into what caused the fatal crash between the passenger jet and ...

The head of the NTSB criticized U.S. officials for failing to act before the collision of a U.S. Army helicopter with an American Airlines jet.