Investigators searching for wreckage from last week’s deadly midair collision between a US military Black Hawk helicopter and an American Airlines plane near Washington, DC, conducted an overnight scan of the Potomac River where the aircraft fell using advanced imaging technology to map the riverbed and locate debris.

All of the plane and chopper wreckage has been fished from the icy Potomac River, as the National Transportation Safety Board continues to investigate the Jan. 29 mid-air crash that killed 67 people.

A plane equipped with lasers is helping search for debris from the deadly collision of a passenger jet and Army helicopter near Washington.

Salvage crews have been working to recover the wreckage of the American Airlines jet and the Black Hawk helicopter.

Wreckage from the midair collision near Reagan National Airport is being removed Monday from the Potomac River as officials are still looking for 12 victims.

Wreckage of the military helicopter involved in a mid-air collision with an American Airlines passenger jet that killed all 67 people on both aircraft was recovered from the Potomac River, federal officials said.

The mangled remains of the Black Hawk helicopter involved in last week’s deadly midair plane crash in DC were pulled out of the Potomac River Thursday, the National Transportation Safety Board announced.