Sky correspondent Paul Kelso visited a flight simulator for a pilot's eye view of the final approach of the American Airlines jet and from a helicopter over a virtual Potomac River.

The National Transportation Safety Board said on Monday it has completed interviews with air traffic controllers in its investigation into the collision last week between an American Airlines regional passenger jet and a U.

The National Transportation Safety Board confirmed that flight data showed the military chopper was flying too high when it hit the passenger jet close to the Ronald Reagan Airport