J. Todd Inman, a member of the NTSB, gives a press briefing Thursday on Wednesday night’s fatal crash between an

The trials mark the first time one of the new GE Aerospace T901 Improved Turbine Engines has been powered up inside a Sikorsky UH-60 Black Hawk as part of a US Army plan to overhaul its fleet of the iconic utility helicopters.

The accident that resulted in a commercial airplane crashing into the Potomac yesterday will require air safety investigators to dig deep

The UH-60 Black Hawk is the helicopter involved in a crash with a passenger jet on Wednesday night near Reagan National Airport in Washington, D.C.

An American Airlines Bombardier CRJ700 regional jet on approach at the Ronald Reagan Washington National Airport (DCA/KDCA) collided mid-air with a US Army Sikorsky UH-60 Black Hawk helicopter. Both aircraft ended up in the Potomac River.

A Black Hawk helicopter can transport up to "12 fully equipped, seated troops in combat," according to Lockheed Martin, the weapons company that builds the helicopter. There are about 5,000 of these helicopters in use by the United States Military.

The American Airlines jet was carrying 60 passengers and four crew members when it collided with Black Hawk Army helicopter built by Connecticut's Sikorsky.