Flight radar shows the collision while former NTSB investigator talks about how long the investigation into the crash could ...

Footage of an air traffic control room screen shows the radar view of an American Airlines plane colliding with a military helicopter.

It will be some time before investigators can offer clear answers to the cause of the midair crash at Ronald Reagan ...

As the American Eagle Flight 5342, a CRJ jet, approached the helicopter, the tower controller asked the helicopter pilot if he had the CRJ in sight. The helicopter pilot cannot be heard responding to ...