Black Hawk Helicopter Significant dates:

1972: US Army UTTAS (Utility Tactical Transport Aircraft System) program begun.




Oct 17, 1974: the Sikorsky YUH-60made its first flight




December 26, 1976: Sikorsky YUH-60 Black Hawk was declared the winner against Boeing-Vertol YUH-61. This was 7 months after the first competitive test began.




September 1977: The US Navy LAMPS III competition was won by the S-70B




October 1978: The first produced UH-60A made its first flight.




1979 The first produced UH-60A was delivered to the US Army.




December 12, 1979: The SH-60B made its first flight




September 1981: The electronic warfare variant, theYEH-60A EW Blackhawk made its maiden flight


February 4, 1984: The HH-60 Nighthawk made the first flight




September 1986: The HH-60J USCG Jayhawk also made the first flight




October 1989: The engine of the UH-60L was upgrade and became ESSS capable




May 5, 1994: The Hawk's 2000th member took off