During the Vietnam War, the U.S. military sought a revolutionary aircraft that could fly like a jet but land like a ...

Crews finished retrieving all the "major components" of both the helicopter and the plane out of the Potomac ... That included the right engine and tail rotor, the NTSB said on Thursday.

The mangled remains of the Black Hawk helicopter involved in last week’s deadly midair plane crash in DC were ... including its right engine and tail rotor. In images shared by the NTSB, the ...

The Bell Boeing V-22 Osprey is a remarkable tiltrotor aircraft that can function as both a helicopter and turboprop plane. But can it fly with just one engine?

Investigators have recovered most of the airplane and helicopter from the Potomac River, but continued searching for objects on the river floor.