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 2000shp
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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