This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's ...
A 3D rendering shows the approximate altitude and paths of the plane and helicopter moments before the collision.
An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National ...
The three-dimensional view above of the flight data from ... almost 300 feet less than 20 seconds prior. The plane was preparing to land at runway 33 at the Ronald Reagan Washington National ...