What is a black box on a plane? What to know after AA Flight 5342 crash with helicopter
What is a black box, what can it tell us, and have the data recorders been found from Flight 5342 and the Army's Blackhawk?
American Airlines flight collides with Army helicopter near Reagan National, more than 30 bodies recovered
A small commercial airliner and a military helicopter collided and crashed into the Potomac River near Reagan National ...