The National Transportation Safety Board says the plane flew over the crash site early Saturday to scan the Potomac River. Its lasers are able to penetrate the water and map the riverbed.

Crews continuing to search for debris from the deadly collision of a passenger jet and Army helicopter near Washington used a plane outfitted with lasers to scan the bottom of the Potomac River ...

Crews continuing to search for debris from the deadly collision of a passenger jet and Army helicopter near Washington used a plane outfitted with lasers to scan the bottom of the Potomac River early ...

Ten days after a passenger jet and a Black Hawk helicopter collided over the Potomac River near Washington, D.C., killing all 67 people on board, investigators have recovered most of the debris ...