sikorsky s-58 H-34

   
   

1953        


ModelC/N



s-58 H-34
Sikorsky began work on the S-58 in 1951 as a general purpose utility machine and as a more capable anti-submarine platform for the US Navy, to follow the S-55. It differed principally in a larger cabin area directly under the main gearbox - still driven by an oblique shaft from the nose mounted engine - the considerably more powerful R-1820-84 piston radial. It had a 4 bladed main rotor, a lower level foldable boom on which was mounted the port-side 4 bladed tail rotor and a tripod undercarriage (with tail wheel). It first flew in prototype on 8 Mar 1954 and the first production airframe flew on 20 Sep 1954.




Model Specifications:

Engine: 1 x Wright R-1820 1000shp
Capacity: 2 + 18
Length: (m) 17.27
Height: (m) 4.36
Blades: 4
Rotor diam.: (m) 17.07
Disc area: (m2) 228.54
Weight: (kgs) Empty: 3500
Speed: (km/h) Cruise: 156     Max: 198
Range: (km) 400
Ceiling: (m) 2900
Rate/Climb: (m/min)



Derivatives and Versions of this model:

ModelYearHistory
    XHSS-1     1953 Sikorsky S-58 prototype anti-submarine helicopter desigmated XHSS-1 by USN. Four built.
    HSS-1 / SH-34G Seabat     1954 Sikorsky production S-58 for anti-submarine warfare, desgnated HSS-1 / SH-34G by USN.
    HUS-1 / UH-34D Seahorse     1954 HUS-1/UH-34D Seahorse was the utility version of the HSS-1/SH-34G Seabat with early bent leg / torsion bar undercarriage. Production began in 19 ...
    CH-126 Choctaw     1955 Sikorsky S-58B (H-34A) in Canadian service
    H-34A Choctaw     1955
    S-58B     1955
    HUS-1L / LH-34D     1956 Factory winterized version of HUS-1 used by VXE-6 for Operation DEEP FREEZE support in Antartica. Seven produced.
    SA S-58     1956
    S-58C     1956
    H-34G.I     1957
    HSS-1F / SH-34H     1957 Sikorsky HSS-1 fitted with two GE YT-58 turbine engines as test bed for HSS-2 prototype. Redesignated SH-34H in Oct62.
    HUS-1A / UH-34E     1957
    HUS-1Z / VH-34D Seahorse     1957
    VH-34A/C Choctaw     1957
    HSS-1N / SH-34J Seabat     1958 Night/Bad weather version of the HSS-1 with improved avionics and autopilot, re-designated SH-34J in 1962
Many airframes later converted to UH-34J by removal of ASW gear.
    westland wessex     1958 the sikorsky s-58 (ff 8 mar 1954) entered usn service late 1955 as the hss-1. this looked a good bet for the uk admiralty, which had been searchi ...
    H-34G.II     1959
    HH-34F Seahorse     1959 Original designated HUS-1G, search & rescue version of HUS-1 / UH-34D Seahorse for US Coast Guard. Six built
    CH-34C Choctaw     1962 Improved H-34A for US Army and export under MDAP.
    UH-34G Seabat     1962 Conversion of HSS-1 / SH-34G by US Navy into utility version by removing ASW equipment.
    H-34G III     1963
    S-58D     1964
    S-58T     1970 First flight on August 1970, the S-58T is an old airframe converted to turboshaft power using different versions of the Pratt & Whitney Canada ...
    HH-34J Choctaw     1971 Former US Navy aircraft transferred to AFRES rescue squadrons


Organisations with this Model:

From Organisation with model s-58 H-34
1955
canada Royal Canadian Air Force (1945-1968)
    CH-126 Choctaw 6 1955/71
usa US Marine Corps
    563 1955/71
usa US Navy
    385 1955/70
usa US Army Aviation
    489 1955/70
     
1956
france Armée de l'Air
    215 1956/76
united kingdom Westland
    1 1956/68
usa New York Airways
    S-58C 4 1956/58
usa Chicago Helicopter Airways
    S-58C 8 1956/67
1957
germany Heeresflieger
    1957/72
usa US Marine Corps
    HUS-1Z / VH-34D Seahorse 1957/62
1958
israel Heil Ha'Avir
    1958/69
japan Kaijō Hoan-chō
    HUS-1 / UH-34D Seahorse 2 1958/73
japan Japan Maritime Self-Defense Force
    1958/??
1959
italy Marina Militare Italiana
    15 1959/??
usa US Coast Guard
    HH-34F Seahorse 6 1959/62
   
1960
netherlands Marine Luchtvaartdienst
    12 1960/72
1962
brazil Força Aérea Brasileira
    6 1962/65
United Nations
    6 1962/70
thailand Royal Thai Air Force
    82 1962/03
 
1963
belgium Force Aérienne Belge
    S-58C 7 1963/78
germany Marineflieger
    27 1963/75
   
1965
brazil Força Aeronaval da Marinha do Brasil
    6 1965/74
usa Air America
    110 1965/75
 
1967
south vietnam Không lực Việt Nam Cộng hòa
    1967/75
 
1968
japan Kaijō Hoan-chō
    HSS-1 / SH-34G Seabat 1 1968/73
1971
uruguay Aviacion Naval Uruguaya
    6 1971/92
usa US Air Force
    32 1971/74
 
1973
brazil Líder Aviação
    S-58T 8 1973/??
greenland Air Greenland
    4 1973/82
 
1974
united kingdom British Airways Helicopters
    1974/81
united kingdom British European Airways
    1 1974/81
1975
argentina Fuerza Aerea Argentina
    2 1975/80
 
1994
usa 5 State Helicopters, Inc
    3 1994/now
Unknown!
Help


argentina Helicopteros Marinos
canada Okanagan Helicopters Ltd
usa State of California
usa Carson Helicopters
 

Construction Numbers on database of s-58 H-34 or its versions

6ch-126
21ch-34c
551h-34a
89h-34g.III
26h-34g.i
25h-34g.ii
6hh-34f
252hss-1
172hss-1n
593hus-1
22hus-1a
6lh-34d
7hus-1z
2s-58
21s-58b
17s-58c
1S-58D
4xhss-1








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