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 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.

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

A deadly collision on Wednesday night between an American Airlines plane with 60 passengers and four crew and an Army UH-60 Black Hawk with three soldiers remains under investigation amid

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 military helicopter UH-60 'Black Hawk' and the American Airlines regional jet Bombardier CRJ700 that collided over Washington are aircraft commonly used worldwide. The plane was carrying 60 passengers and four crew members,

None are believed to have survived the Wednesday night collision, which caused both aircraft to plunge into the frigid Potomac River.

The shocking collision took place as the American Airlines flight carrying 64 people made its final approach to Ronald Reagan Washington National Airport shortly before 9pm ET last night

Here are 10 key things to know about the Black Hawk helicopter involved in the incident, its capabilities, and the mission it was conducting at the time of the crash.

THE men who piloted the ill-fated American Airlines plane that was struck by a US Army Black Hawk and fell into a river have been named. Captain Jonathan Campos, 34, and First Officer Sam Lilley,