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 characteristics
Crew: 3+11
Rotor 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-turbine
Turboshafts, 1,560 hp each
Performance
Combat radius: 420 nm, 592 km (368 mi)
Disc loading: 35.4 kg/m (7.19 lb/ft)
Ferry range: 1,200 nm, 2,220 km (1,380 mi)
Maximum speed: 193 knots, 357 km/h (222 mph)
Power/mass: 158...
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