Black Hawk in DC crash had safety system off, investigators find

(3:14)

Black Hawk flew at 300 feet during midair collision over DC's Potomac River, per NTSB

(1:49)

Crews remove crash wreckage from Potomac River in Washington D.C.

(24)

Footage shows the moment of the deadly midair collision over the Potomac River

(19)

All 67 bodies recovered from Potomac River

(3:24)

Crews search for more debris in Potomac River from last week's midair collision

(3:18)

All 67 victims of DC midair collision recovered from Potomac River

(2:58)

Jet crashes over the Potomac

(36)

Bodies of passengers killed in DC plane crash recovered from Potomac River

(1:45)

Plane parts from midair collision pulled from Potomac River

(59)

Inside operations to remove wreckage of D.C. midair crash from Potomac River

(2:50)

Plane crashes into Potomac River near DCA

(3:46)

Explosion seen over Potomac River as passenger jet collides with Army helicopter

(16)

VIDEO: American Airlines plane collides with military helicopter over Potomac River

(39)

Large portion of Black Hawk helicopter hoisted out of Potomac River

(3:31)

More wreckage from plane-helicopter midair collision pulled from Potomac River

(1:18)

Remains of 67 victims of D.C. midair collision recovered from Potomac River

(3:23)

Shocking video: Truck plunges into Potomac River after crash on Arlington Memorial Bridge

(32)

Additional human remains located during salvage recovery over the Potomac River

(3:25)

New details emerge after plane debris is removed from the Potomac River

(14:29)