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Sikorsky S-55 - H-19 series


In 1951 was the first world's certified commercial transport helicopter.

The S-55 was also build under license:
  • in Great Britain by Westland as Whirlwind
  • in France by Sud-Est
  • in Japan by Mitsubishi
    The whole production reaches near 1300 units.

    During their early years, the naval designation was HO4S whilest US Marines variants included the HRS-1 , HRS-2 and HRS-3 before the normalization to the H-19 family.

    A later variant called S-55T was turbine powered with 1 * 840 hp AirResearch TSE-331



    US Army H-19 in Korea

    US Coast Guard


    First Flight : November 10, 1949
    Crew / Load: 2 up to 10 (Depending the mission)

    UH-19B :
    Engines: piston powered : 1 * 800 hp Wright R-1-300-3
    Top Speed: 180 km/h
    Cruise Speed: 146 km/h
    Range: 579 km
    Weight: Empty: 2381 kg -- Max: 3583
    Rotor Span: 16.15 m
    Length: 12.88 m
    Height: 4.06 m
    Disc Area: 204.95 m2
    See Also: H-19 at Eniwetok

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