Sikorsky Aircraft S-58 (H-34 / CH-34 Choctaw)

Medium Transport Helicopter

Sikorsky S-58C Meravo Luftreederei D-HAUG © Karsten Palt
Photo ©: Karsten Palt
The Sikorsky S-58 is a medium single engine multi-purpose transport helicopter built by the American manufacturer Sikorsky Aircraft. The commercial variant of the S-58 has a capacity of 12 passengers. The military variants include the CH-34A (H-34) and CH-34C (H-34B) with the nickname Choctaw. In US Navy Service the variants SH-34G & UH-34J (HSS-1) and SH-34J (HSS-1N) were nicknamed Seabat. The S-58 in duty with the US Marine Corps with the variants UD-34D (HUS-1) and UH-34E (HUS-1A) were nicknamed Seahorse. The first version was the Navy Anti-Submarine Warfare (ASW) variant HSS-1 (later SH-34). 
A total of 1868 S-58 were produced by Sikorsky. The military S-58 variants H-34 / CH-34, SH-34 (HSS) and UH-34 (HUS-1) were exported to more than 20 foreign countries. The S-58 was also license built by Sud-Est in France (135 aircraft) and by Westland in England (348 aircraft). Many S-58 helicopters were later retrofitted with Pratt & Whitney Canada PT-6 Twin-Pac Turboshaft engines designated S-58T. Westland developed a variant with 2 Bristol Siddeley Gnome Turboshaft engines under the name Westland Wessex.
Crew2
Propulsion1 Radial Engine
Engine ModelWright R-1820-84 Cyclone
Engine Power1137 kW1525 hp
max. Speed (vne)222 km/h120 kts
  138 mph
Service Ceiling2.896 m9.500 ft
Range450 km243 NM
280 mi.
Empty Weight3.583 kg7.900 lbs
max. Takeoff Weight6.350 kg14.000 lbs
Rotor Blades (main/tail)4/4
Main Rotor Diameter17,07 m56 ft 0 in
Tail Rotor Diameter2,90 m9 ft 6 in
Rotor Disc Area228,9 m²2464 ft²
Length (Fuselage)14,25 m46 ft 9 in
Length17,28 m56 ft 8 in
Height4,85 m15 ft 11 in
First Flight08.03.1954
Production Statusout of production
Production Range1954-1970
Total Production2351
ICAO CodeS58P S58T
IATA CodeS58
FAA TCDS1H11
Data for (Version)Sikorsky H-34 Choctaw
VariantsS-58A, S-58C, S-58D, S-58T, UH-34D, VH-34D, UH-34E, SH-34G, SH-34J, LH-34D, UH-34J, VH-34J, CH-34A, VH-34C, CH-34C, HH-34J, HH-34F

[Photo-ID: 10842] © Karsten Palt 2015-04-04
Sikorsky (Sud) H-34A (S-58A), , F-ZAGP, c/n SA053,© Karsten Palt, 2015Sikorsky (Sud)
H-34A (S-58A)
Reg.: F-ZAGP
c/n: SA053
 
displayed in French Air Force c/s
Musee de l Air et de l Espace [Paris Le Bourget]
[Photo-ID: 3520] © Karsten Palt 2010-06-12
Sikorsky H-34G-II (S-58), German Air Force / Luftwaffe, 80+34, c/n 58-1099,© Karsten Palt, 2010Sikorsky
H-34G-II (S-58)
German Air Force / Luftwaffe
Reg.: 80+34
c/n: 58-1099
 
ex FlBschft BMVg
Luftwaffenmuseum [Berlin - Gatow]
[Photo-ID: 3521] © Karsten Palt 2010-06-12
Sikorsky H-34G-II (S-58), German Air Force / Luftwaffe, 80+34, c/n 58-1099,© Karsten Palt, 2010Sikorsky
H-34G-II (S-58)
German Air Force / Luftwaffe
Reg.: 80+34
c/n: 58-1099
 
ex FlBschft BMVg
Luftwaffenmuseum [Berlin - Gatow]
[Photo-ID: 7756] © Karsten Palt 2013-09-01
Sikorsky H-34G-III (S-58), German Army Aviation / Heer, 81+09, c/n 58-1679,© Karsten Palt, 2013Sikorsky
H-34G-III (S-58)
German Army Aviation / Heer
Reg.: 81+09
c/n: 58-1679
 
Hubschraubermuseum Bueckeburg [Bueckeburg]
[Photo-ID: 7757] © Karsten Palt 2013-09-01
Sikorsky H-34G-III (S-58), German Army Aviation / Heer, 81+09, c/n 58-1679,© Karsten Palt, 2013Sikorsky
H-34G-III (S-58)
German Army Aviation / Heer
Reg.: 81+09
c/n: 58-1679
 
Hubschraubermuseum Bueckeburg [Bueckeburg]
[Photo-ID: 6535] © Karsten Palt 2013-04-01
Sikorsky (Sud) HSS-1 Seabat (S-58A), Belgian Air Force, B6, c/n SA181,© Karsten Palt, 2013Sikorsky (Sud)
HSS-1 Seabat (S-58A)
Belgian Air Force
Reg.: B6
c/n: SA181
 
Koninklijk Legermuseum [Brussel]
[Photo-ID: 2456] © Karsten Palt 2009-06-25
Sikorsky S-58A / UH-34J Seabat, Royal Netherlands Navy / Koninklijke Marine (MLD), 134, c/n 58-1597,© Karsten Palt, 2009Sikorsky
S-58A / UH-34J Seabat
Royal Netherlands Navy / Koninklijke Marine (MLD)
Reg.: 134
c/n: 58-1597
 
Militaire Luchtvaart Museum [Soesterberg]
[Photo-ID: 6332] © Karsten Palt 2012-06-12
Sikorsky S-58B, , N886X, c/n 58-0403,© Karsten Palt, 2012Sikorsky
S-58B
Reg.: N886X
c/n: 58-0403
 
Yanks Air Museum [Chino, CA]
[Photo-ID: 1672] © Karsten Palt 2009-04-02
Sikorsky S-58C, Meravo Luftreederei, D-HAUF, c/n 58.356,© Karsten Palt, 2009Sikorsky
S-58C
Meravo Luftreederei
Reg.: D-HAUF
c/n: 58.356
 
ex Sabena OO-SHI, ex Belgian Mil. B11/OT-ZKK
Auto und Technik Museum [Sinsheim]
[Photo-ID: 563] © Karsten Palt 2007-09-08
Sikorsky S-58C, Meravo Luftreederei, D-HAUG, c/n 58-836,© Karsten Palt, 2007Sikorsky
S-58C
Meravo Luftreederei
Reg.: D-HAUG
c/n: 58-836
 
Oldtimer-Fliegertreffen 2007 [Kirchheim unter Teck - Hahnweide (EDST)]
[Photo-ID: 564] © Karsten Palt 2007-09-08
Sikorsky S-58C, Meravo Luftreederei, D-HAUG, c/n 58-836,© Karsten Palt, 2007Sikorsky
S-58C
Meravo Luftreederei
Reg.: D-HAUG
c/n: 58-836
 
Oldtimer-Fliegertreffen 2007 [Kirchheim unter Teck - Hahnweide (EDST)]
[Photo-ID: 2669] © Karsten Palt 2009-09-05
Sikorsky S-58C, Meravo Luftreederei, D-HAUG, c/n 58836,© Karsten Palt, 2009Sikorsky
S-58C
Meravo Luftreederei
Reg.: D-HAUG
c/n: 58836
 
Oldtimer-Fliegertreffen 2009 [Kirchheim unter Teck - Hahnweide (EDST)]
[Photo-ID: 2670] © Karsten Palt 2009-09-05
Sikorsky S-58C, Meravo Luftreederei, D-HAUG, c/n 58836,© Karsten Palt, 2009Sikorsky
S-58C
Meravo Luftreederei
Reg.: D-HAUG
c/n: 58836
 
Oldtimer-Fliegertreffen 2009 [Kirchheim unter Teck - Hahnweide (EDST)]
[Photo-ID: 6477] © Karsten Palt 2013-02-09
Sikorsky S-58T, Royal Thai Air Force (RTAF), H4K-64/30, c/n 58-1117,© Karsten Palt, 2013Sikorsky
S-58T
Royal Thai Air Force (RTAF)
Reg.: H4K-64/30
c/n: 58-1117
 
Royal Thai Air Force Museum [Bangkok]
[Photo-ID: 6478] © Karsten Palt 2013-02-09
Sikorsky S-58T, Royal Thai Air Force (RTAF), H4K-64/30, c/n 58-1117,© Karsten Palt, 2013Sikorsky
S-58T
Royal Thai Air Force (RTAF)
Reg.: H4K-64/30
c/n: 58-1117
 
Royal Thai Air Force Museum [Bangkok]
[Photo-ID: 3190] © Karsten Palt 2010-01-31
Sikorsky SH-34G-III Seabat (S-58A), German Navy / Marine, 80+73, c/n 58-1557,© Karsten Palt, 2010Sikorsky
SH-34G-III Seabat (S-58A)
German Navy / Marine
Reg.: 80+73
c/n: 58-1557
 
Flugwerft Schleißheim [Oberschleißheim (EDNX)]
[Photo-ID: 11350] © Karsten Palt 2015-06-04
Sikorsky SH-34J Seabat, United States Air Force (USAF), 148943, c/n 58-1327,© Karsten Palt, 2015Sikorsky
SH-34J Seabat
United States Air Force (USAF)
Reg.: 148943
c/n: 58-1327
 
ex US Navy HSS-1N 148943
March Field Air Museum [Riverside, CA]
[Photo-ID: 6237] © Karsten Palt 2012-06-13
Sikorsky UH-34A Seabat (S-58A), United States Navy, 143939, c/n 58-0709,© Karsten Palt, 2012Sikorsky
UH-34A Seabat (S-58A)
United States Navy
Reg.: 143939
c/n: 58-0709
 
USS Midway Aircraft Carrier Museum [San Diego, CA]
[Photo-ID: 6238] © Karsten Palt 2012-06-13
Sikorsky UH-34A Seabat (S-58A), United States Navy, 143939, c/n 58-0709,© Karsten Palt, 2012Sikorsky
UH-34A Seabat (S-58A)
United States Navy
Reg.: 143939
c/n: 58-0709
 
USS Midway Aircraft Carrier Museum [San Diego, CA]
[Photo-ID: 10356] © Karsten Palt 2014-05-28
Sikorsky UH-34D (S-58A), United States Marine Corps (USMC), 148763, c/n 58-1319,© Karsten Palt, 2014Sikorsky
UH-34D (S-58A)
United States Marine Corps (USMC)
Reg.: 148763
c/n: 58-1319
 
NASM Udvar Hazy Center [Chantilly, VA]
[Photo-ID: 13161] © Karsten Palt 2016-10-09
Sikorsky UH-34D (S-58A), United States Marine Corps (USMC), 150553, c/n 58-1680,© Karsten Palt, 2016Sikorsky
UH-34D (S-58A)
United States Marine Corps (USMC)
Reg.: 150553
c/n: 58-1680
 
USS Hornet Museum [Alameda, CA]
[Photo-ID: 5928] © Karsten Palt 2012-06-13
Sikorsky UH-34D Seahorse (S-58A), United States Marine Corps (USMC), 150219, c/n ,© Karsten Palt, 2012Sikorsky
UH-34D Seahorse (S-58A)
United States Marine Corps (USMC)
Reg.: 150219
 
Flying Leatherneck Aviation Museum [San Diego, CA]
[Photo-ID: 5929] © Karsten Palt 2012-06-13
Sikorsky UH-34D Seahorse (S-58A), United States Marine Corps (USMC), 150219, c/n ,© Karsten Palt, 2012Sikorsky
UH-34D Seahorse (S-58A)
United States Marine Corps (USMC)
Reg.: 150219
 
Flying Leatherneck Aviation Museum [San Diego, CA]
[Photo-ID: 6487] © Karsten Palt 2013-02-09
Sikorsky UH-34D Seahorse (S-58A), United States Marine Corps (USMC), 150556, c/n 58-1683,© Karsten Palt, 2013Sikorsky
UH-34D Seahorse (S-58A)
United States Marine Corps (USMC)
Reg.: 150556
c/n: 58-1683
 
displayed in RTAF c/s
Royal Thai Air Force Museum [Bangkok]
[Photo-ID: 6488] © Karsten Palt 2013-02-09
Sikorsky UH-34D Seahorse (S-58A), United States Marine Corps (USMC), 150556, c/n 58-1683,© Karsten Palt, 2013Sikorsky
UH-34D Seahorse (S-58A)
United States Marine Corps (USMC)
Reg.: 150556
c/n: 58-1683
 
displayed in RTAF c/s
Royal Thai Air Force Museum [Bangkok]
[Photo-ID: 6489] © Karsten Palt 2013-02-09
Sikorsky UH-34D Seahorse (S-58A), United States Marine Corps (USMC), 150556, c/n 58-1683,© Karsten Palt, 2013Sikorsky
UH-34D Seahorse (S-58A)
United States Marine Corps (USMC)
Reg.: 150556
c/n: 58-1683
 
displayed in RTAF c/s
Royal Thai Air Force Museum [Bangkok]
[Photo-ID: 11202] © Karsten Palt 2015-06-03
Sikorsky VH-34C Choctaw, United States Army, 57-1684, c/n 58-0790,© Karsten Palt, 2015Sikorsky
VH-34C Choctaw
United States Army
Reg.: 57-1684
c/n: 58-0790
 
Pima Air and Space Museum [Tucson, AZ]
[Photo-ID: 11203] © Karsten Palt 2015-06-03
Sikorsky VH-34C Choctaw, United States Army, 57-1684, c/n 58-0790,© Karsten Palt, 2015Sikorsky
VH-34C Choctaw
United States Army
Reg.: 57-1684
c/n: 58-0790
 
Pima Air and Space Museum [Tucson, AZ]