The commercial variant of the helicopter — the Sikorsky Black Hawk S-70 — which has a maximum gross weight (GW) of 22,000 lb, can achieve a maximum speed of 163 knots (302 km/hr or 187 mph).
Lockheed Martin's Sikorsky demonstrates the flight capabilities of its rotor blown wing unmanned aircraft system. (Lockheed Martin) Through extensive flight tests earlier this year, Lockheed ...
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