The UH-60 Black Hawk Helicopters First Flight Was In Oct 17 1974. This Was, 2 Years After When The US Army Commissioned The Sikorsky And Boeing-Vertol To Produce And Initially Test 3 Prototypes Helicopters Within The Specifications Of A UTTAS Or The Utility Tactical Transport Aircraft System.When Sikorsky Won Over Boeing-Vertol To Become The Produced Of Black Hawk Helicopters For The Army, The UH-60 Black Hawk Helicopter Became Their Very First Model To Produce.Here Are The Details About The UH-60 Black Hawk Helicopter:General CharacteristicsCrew: 311Rotor Diameter: 16.36 M (53 Ft 8 In)Length: 19.76 M (64 Ft 10 In)Height: 5.13 M (16 Ft 10 In)Disc Area: 210 M (2,260 Ft)Maximum Takeoff Weight: 11,113 Kg (24,500 Lb)Weight (Empty): 4,819 Kg (10,624 Lb)Weight (Loaded): 7,375 Kg (16,260 Lb)Engine: 2 General Electric T700-700 Free-turbineTurboshafts, 1,560 Hp EachPerformanceCombat Radius: 420 Nm, 592 Km (368 Mi)Disc Loading: 35.4 Kgm (7.19 Lbft)Ferry Range: 1,200 Nm, 2,220 Km (1,380 Mi)Maximum Speed: 193 Knots, 357 Kmh (222 Mph)Powermass: 158 Wkg (0.959 Hplb)Rate Of Climb: 3.6 Ms (700 Ftmin)Service Ceiling: 5,790 M (19,000 Ft)ArmamentGuns: 2 0.30 In (7.62 Mm) M60 Machine Guns (M134 Miniguns)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 FlightDecember 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-70BOctober 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 FlightSeptember 1981: The Electronic Warfare Variant, TheYEH-60A EW Blackhawk Made Its Maiden FlightFebruary 4, 1984: The HH-60 Nighthawk Made The First FlightSeptember 1986: The HH-60J USCG Jayhawk Also Made The First FlightOctober 1989: The Engine Of The UH-60L Was Upgrade And Became ESSS CapableMay 5, 1994: The Hawks 2000th Member Took OffThe Following Are The Names Of Other Black Hawk Helicopters That Made Their Flights Throughout The History:YUH-60AUH-60AGUH-60AJUH-60AEH-60AYEH-60AHH-60AMH-60AVH-60AUH-60BYEH-60BYSH-60BSH-60BEH-60CCH-60EHH-60DHH-60EHH-60GSH-60FMH-60GHH-60HHH-60JUH-60JMH-60KUH-60LMH-60LVH-60NUH-60PUH-60QS-70AS-70B-6S-70CS-70C(M)-1WS-70
