The NTSB revealed that the Black Hawk helicopter may not have known its true altitude at a hearing.

Two previous days of testimony underscored a number of factors that likely contributed to the collision that left all 67 ...

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

The National Transportation Safety Board will question witnesses Thursday about air traffic control training, a key part of ...

The National Transportation Safety Board questioned witnesses Friday on collision avoidance technology and organizational ...

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

New details are emerging about the deadly collision between an American Airlines flight and an Army helicopter in January ...

The National Transportation Safety Board (NTSB) is meeting Friday for its final day of hearings looking into the January ...