Sikorsky UH 60 Black Hawk
The Sikorsky UH 60 Black Hawk is a four blade, twin engine, medium lift utility military helicopter manufactured by Sikorsky Aircraft.Sikorsky submitted the S 70 design for the United States Army's Utility Tactical Transport Aircraft System UTTAS competition in 1972. The Army designated the prototype as the YUH 60A and selected the Black Hawk as the winner of the