The Army designated the prototype as the YUH - 60A .
The Army selected the Black Hawk as the winner of the program in 1976 , after a fly - off competition with the Boeing Vertol YUH - 61 .
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 .