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  • Sikorsky S-56 H-37

    1953










    Sikorsky S-56 H-37

    Twin piston engined, 5 bladed rotor, heavy-lift helicopter for USMC & US Army.
    The S-56 first flew on 18 Dec 1953.




    Specifications


    Engine: 2 x PW R-2800 Double Wasp 2000 shp
    Capacity: 3 + 36
    Length: (m) 19.59
    Height: (m) 6.71
    Blades: 5
    Rotor diam.: (m) 21.95
    Disc area: (m2) 379
    Weight: (kgs) Empty: 9470     Max: 14100
    Speed: (km/h) Cruise: 184     Max: 261
    Range: (km) 233
    Ceiling: (m)     Max: 2650
    Rate/Climb: (m/min) 277.4


    Derivatives & Versions


    ModelYearHistory
    XHR2S-1 1953
    H-37A Mojave 1955 Military transport variant for US Army. Redesignated CH-37A/B in 1962
    HR2S-1 1955 Production model for USMC. Redesignated CH-37C in 1962
    HR2S-1W 1956 Airborne early warning (AEW) helicopter for the US Navy fitted with AN/APS-20E radar. Two built.

    List of Operators of Sikorsky S-56 H-37


    From Organisation with model S-56 H-37
    1956
    usa US Army Aviation
        1956/70
    usa US Marine Corps
        60 1956/70
    1978
    usa Aircrane Inc
        H-37A Mojave 1978/??
    Construction Numbers on database of S-56 H-37 or its versions

    94h-37a
    55hr2s-1
    2hr2s-1w
    5xhr2s-1






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