Tags: Aircraft.
The Sikorsky UH-60 Black Hawk is a four-bladed twin-engine medium-lift utility 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 program in 1976 after a fly-off competition with the Boeing Vertol YUH-61.The UH-60A entered service with the U.S.
