A history of commercial plane crashes and what we learned from them
Collisions like the one between an American Airlines plane and a helicopter over the Potomac River in D.C. this week have led to changes in the way we travel.
DC crash investigators recover cockpit voice recorder and flight data from doomed American Airlines plane: Live updates
Sixty passengers, four crew, and three US Army personnel are believed to be dead after the collision 400ft over the Potomac ...