Investigators say the crew of the helicopter that collided midair with an American Airlines jet near Washington D.

Preliminary analysis of voice recordings and other black box data recovered from the crash site showed the helicopter pilot and her instructor read aloud conflicting altitudes before the collision ...

More than two weeks after a helicopter and airplane collision over Washington killed 67 people, investigators have completed ...

NTSB Chairwoman Jennifer Homendy said they are examining potential discrepancies between the actual altitude of the Army ...