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The Sikorsky H-34
Sikorsky H-34
(company designation S-58) is a piston-engined military helicopter originally designed by American aircraft manufacturer Sikorsky as an anti-submarine warfare (ASW) aircraft for the United States
United States
Navy. It has seen extended use when adapted to turbine power by the British licensee as the Westland Wessex
Westland Wessex
and Sikorsky as the later S-58T. H-34s served, mostly as medium transports, on every continent with the armed forces of 25 countries. It saw combat in Algeria, the Dominican Republic, Nicaragua, and throughout Southeast Asia. Other uses included saving flood victims, recovering astronauts, fighting fires, and carrying presidents. It was the last piston-engined helicopter to be operated by the United States
United States
Marine Corps, having been replaced by turbine-powered types such as the UH-1 Huey and CH-46 Sea Knight. A total of 2,108 H-34s were manufactured between 1953 and 1970.[2]

Contents

1 Development 2 Operational history

2.1 Algerian War 2.2 Vietnam War 2.3 Post-Vietnam War 2.4 France 2.5 United Kingdom 2.6 South Vietnam 2.7 Israel 2.8 Civilian use

3 Variants 4 Operators 5 Accidents and incidents 6 Aircraft on display 7 Specifications (H-34 Choctaw) 8 Notable appearances in media 9 See also 10 References 11 Further reading 12 External links

Development[edit]

A U.S. Navy HSS-1 with dipping sonar deployed, in 1960.

CH-37C and UH-34D of the United States
United States
Marine Corps.

The Sikorsky S-58 was developed as a lengthened and more powerful version of the Sikorsky Model S-55, or UH-19 Chickasaw, with a similar nose, but with a tail-dragger rear fuselage and landing gear, rather than the high-tail, 4-post pattern. It retained the nose-mounted radial reciprocating engine with the drive shaft passing through the cockpit placed high above the cargo compartment. The aircraft first flew on 8 March 1954. The first production aircraft was ready in September and entered in service for the United States Navy initially designated HSS-1 Seabat (in its anti-submarine configuration) and HUS-1 Seahorse (in its utility transport configuration) under the U.S. Navy designation system for U.S. Navy, United States Marine Corps
United States Marine Corps
(USMC) and United States
United States
Coast Guard (USCG) aircraft. The U.S. Army and Marine Corps, respectively, ordered it in 1955 and 1957. Under the United States
United States
Army's aircraft designation system, also used by the United States
United States
Air Force, the helicopter was designated H-34. The U.S. Army also applied the name Choctaw to the helicopter. In 1962, under the new unified DoD aircraft designation system, the Seabat was redesignated SH-34, the Seahorse as the UH-34, and the Choctaw as the CH-34. Roles included utility transport, anti-submarine warfare, search and rescue, and VIP transport. In its standard configuration, transport versions could carry 12 to 16 troops, or eight stretcher cases if utilized in the MedEvac role, while VIP transports carried significantly fewer people in much greater comfort. A small fleet of H-34 helicopters served U.S. Presidents Dwight D. Eisenhower
Dwight D. Eisenhower
and John F. Kennedy from 1958 to 1961 using the call sign Army One.[citation needed] A total of 135 H-34s were built in the US and assembled by Sud-Aviation in France, 166 were produced under licence in France
France
by Sud-Aviation for the French Air Force, Navy and Army Aviation (ALAT). The CH-34 was also built and developed under license from 1958 in the United Kingdom
United Kingdom
by Westland Aircraft
Westland Aircraft
as the turboshaft engined Wessex which was used by the Royal Navy
Royal Navy
and Royal Air Force. The RN Wessex was fitted out with weapons and ASW equipment for use in an antisubmarine role. The RAF used the Wessex, with turboshaft engines, as an air/sea rescue helicopter and as troop transporter. Wessexes were also exported to other countries and produced for civilian use. Operational history[edit] Algerian War[edit] Main article: Algerian War The helicopters used by the French Army Light Aviation
French Army Light Aviation
(ALAT), including the Sikorsky H-34, aggregated over 190,000 flying hours in Algeria
Algeria
(over 87,000 for the H-21 alone) and helped to evacuate over 20,000 French combatants from the combat area, including nearly 2,200 at night. By the time the war in Algeria
Algeria
had ended, eight officers and 23 non-commissioned officers from ALAT had given their lives in the course of their duties. The use of armed helicopters during the Algerian War, coupled with helicopter transports which can insert troops into enemy territory, gave birth to some of the tactics of airmobile warfare that continue today.[3] Vietnam War[edit]

A U.S. Coast Guard HUS-1G in 1960.

French evaluations on the reported ground fire vulnerabilities of the CH-34 may have influenced the U.S. Army's decision to deploy the CH-21 Shawnee to Vietnam instead of the CH-34, pending the introduction into widespread service of the Bell UH-1 Iroquois. U.S. Army H-34s did not participate in Vietnam, and did not fly in the assault helicopter role, but a quantity were supplied to the Army of the Republic of Vietnam. These saw little use due to a lack of spare parts and maintenance.[4]

U.S. Marine Corps UH-34Ds over Mekong Delta.

U.S. Marine Corps UH-34Ds over Vietnam, 1965.

Its higher availability and reliability due to its simplicity compared to the newer helicopters led Marines to ask for it by name. The phrases "give me a HUS", "get me a HUS" and "cut me a HUS" entered the U.S. Marine Corps vernacular, being used even after the type was no longer in use to mean "help me out".[5] USMC H-34s were also among the first helicopter gunships trialled in theatre, being fitted with the Temporary Kit-1 (TK-1), comprising two M60C machine guns and two 19-shot 2.75 inch rocket pods. The operations were met with mixed enthusiasm, and the armed H-34s, known as "Stingers" were quickly phased out. The TK-1 kit would form the basis of the TK-2 kit used on the UH-1E helicopters of the USMC. An H-34 was featured in the famous early-Vietnam War Time-Life photo essay "One Ride With Yankee Papa 13", photographer Larry Burrows, which depicted stages of a disastrous combat mission in which several crew were wounded or killed. Post-Vietnam War[edit] The H-34 remained in service with United States Army
United States Army
and Marine Corps aviation units into the late 1960s; at this time it was also standard equipment in Marine Corps Reserve, Army Reserve and Army National Guard aviation units, eventually being replaced by the UH-1 Iroquois utility helicopter. Sikorsky terminated all production activities in 1968, a total of 1,821 having been built.[6] All H-34 helicopters were retired from service in the U.S. military by the early 1970s; the type having the distinction of being the last piston-engined helicopter to be operated by the Marine Corps. On 3 September 1973, the last flight of a USMC UH-34 occurred as Bureau Number 147191 which had been formally assigned to Headquarters Squadron, FMF Pacific was flown from Quantico, Virginia
Quantico, Virginia
to MCAS New River
MCAS New River
to be placed on static display.[7][8] France[edit] France
France
purchased an initial batch of 134 Choctaws; these were shipped in kit-form from the United States
United States
and locally assembled by Sud-Aviation. Later, a further 166 were domestically manufactured by Sud-Aviation; these were operated by the French Army
French Army
Light Aviation (Army), French Naval Aviation
French Naval Aviation
(Navy) and Air force.[9]

Wessex at Ascension Island, 1982

United Kingdom[edit] Main article: Westland Wessex The Wessex was used as an anti-submarine and utility helicopter with the Royal Navy
Royal Navy
and as a transport and search and rescue helicopter with the Royal Air Force. South Vietnam[edit]

VNAF CH-34As at Tan Son Nhut.

USMC helicopter in Vietnam.

S-58T of New York Helicopter
Helicopter
at 34th Street Helicopter
Helicopter
pad in 1987

Used by 219th South Vietnamese Air Force Squadron to insert MACV-SOG reconnaissance teams into Laos.[10] The H-34 was the primary VNAF helicopter until replaced by the Bell UH-1 Huey.[11] Israel[edit]

Israeli Air Force
Israeli Air Force
Sikorsky S-58 (1967)

Israeli S-58s flew numerous combat missions after the end of the Six Days War; these missions were mainly against Palestinians infiltrating Israel
Israel
or against their bases in Jordan. On 21 March 1968, various S-58s participated in the Battle of Karameh, bringing Israeli troops in and out of the theatre as well as evacuating the wounded. This was the last operation of the S-58 as it was retired shortly later, having been replaced by the newer Bell 205 and Aérospatiale Super Frelon.[12] Civilian use[edit]

Civil S-58T powered by a Pratt & Whitney Canada
Canada
PT6T Twin-Pac turbine power plant

The H-34's lift capacity was just sufficient to lift a Mercury space capsule. In 1961, the hatch of Mercury-Redstone 4
Mercury-Redstone 4
was prematurely detached and the capsule was filled with seawater. The extra weight was too much for the H-34 and the capsule, Liberty Bell 7, was emergency released and sank in deep water,[13] remaining on the ocean floor until 1999. In the late 1980s and early 1990s, S-58T turbine-powered helicopters were operated by New York Helicopters in scheduled passenger airline service between JFK International Airport and East 34th Street Heliport, New York.[14] Variants[edit]

H-34A U.S. Army version of the HSS-1 powered by a 1,525 hp R-1820-84, re-designated CH-34A in 1962, 359 built and 21 transferred from the U.S. Navy. JH-34A Designation for H-34A used for weapon tests. VH-34A Staff transport conversions of H-34A. H-34B H-34As converted with detail changes, became CH-34B in 1962. H-34C H-34B design with detail changes converted from H-34As, became CH-34C in 1962. JH-34C Designation for CH-34C used for weapon tests. VH-34C Staff transport conversions of CH-34C. HH-34D Designation applied to aircraft given USAF serials to be transferred under MAP and MDAP. LH-34D HUS-1L re-designated in 1962 UH-34D HUS-1 re-designated in 1962 and 54 new build. VH-34D HUS-1Z re-designated in 1962 UH-34E HUS-1A re-designated in 1962 HH-34F HUS-1G re-designated in 1962 YSH-34G YHSS-1 re-designated in 1962 SH-34G HSS-1 re-designated in 1962 SH-34H HSS-1F re-designated in 1962 YSH-34J

SH-34Js on the USS Essex in 1962

YHSS-1N re-designated in 1962 SH-34J HSS-1N re-designated in 1962 UH-34J SH-34J without ASW equipment for cargo and training purposes. HH-34J Ex-USN UH-34Js operated by the U.S. Air Force VH-34J Staff transport conversions of SH-34J. XHSS-1 Seabat Three Sikorsky S-58s for evaluation by the U.S. Navy, re-designated YHSS-1 then YSH-34G in 1962. HSS-1 Seabat Production Anti-Submarine model for the U.S. Navy, re-designated SH-34G in 1962, 215 built HSS-1F Seabat One HSS-1 re-engined with two YT-58-GE as a flying test bed, re-designated SH-34H in 1962. YHSS-1N Seabat One HSS-1 converted as the HSS-1N prototype, re-designated YSH-34J in 1962. HSS-1N Seabat Night/Bad weather version of the HSS-1 with improved avionics and autopilot, re-designated SH-34J in 1962, 167 built (an addition 75 HSS-1 airframes were built to CH-34C standard for West Germany). HUS-1 Seahorse Utility transport version of the HSS-1 for the U.S. Marine Corps, re-designated UH-34D in 1962, 462 built HUS-1A Seahorse Forty HUS-1s fitted with amphibious pontoons, re-designated UH-34E in 1962. HUS-1G Seahorse United States
United States
Coast Guard version of the HUS-1, re-designated HH-34F in 1962, six built. HUS-1L Seahorse Four HUS-1s converted for Antarctic operations with VXE-6, re-designated LH-34D in 1962. HUS-1Z Seahorse Seven HUS-1s fitted with VIP interior for the Executive Flight Detachment, re-designated VH-34D in 1962. CH-126 Canadian military designation for the S-58B. S-58A Commercial designation for basic cargo variant, certified in 1956 S-58B Commercial designation for improved cargo variant, certified in 1956 S-58C Commercial passenger transport/airliner version, certified in 1956 S-58D Commercial airliner/freighter version, certified in 1961 S-58E Certified in 1971 S-58F Certified in 1972 an increased maximum weight variant of the S-58B. S-58G Certified in 1972 an increased maximum weight variant of the S-58C. S-58H Certified in 1972 an increased maximum weight variant of the S-58D. S-58J Certified in 1972 an increased maximum weight variant of the S-58E S-58T Commercial conversion to turboshaft power using Pratt & Whitney Canada
Canada
PT6T-3 Twin-Pac turboshaft with special nose cowling featuring distinctive twin rectangular air intakes, designations relate to original model: S-58BT Turboshaft
Turboshaft
powered-conversion of the S-58B S-58DT Turboshaft
Turboshaft
powered-conversion of the S-58D S-58ET Turboshaft
Turboshaft
powered-conversion of the S-58E S-58FT Turboshaft
Turboshaft
powered-conversion of the S-58F S-58HT Turboshaft
Turboshaft
powered-conversion of the S-58H S-58JT Turboshaft
Turboshaft
powered-conversion of the S-58J Orlando Heli-Camper RV conversion by Winnebago Industries and Orlando Helicopter, fitted with a Wright Cyclone R-1820-24 engine.[15] Orlando Airliner Commercial conversion. 18-seat passenger transport helicopter. Westland Wessex Licence production and development in the United Kingdom.

Operators[edit]

 Argentina

Argentine Air Force[16] Argentine Naval Aviation[17]

 Belgium

Belgian Air Force[18] Belgian Navy[18]

 Brazil

Brazilian Navy[18]

 Canada

Royal Canadian Air Force[19] Canadian Armed Forces[18]

 Chile

Chilean Navy[20][21]

 Costa Rica

Ministry of Public Security[22]

 Dominican Republic

Dominican Air Force[citation needed]

 France

French Army[23] French Navy[24]

 West Germany

German Air Force[23] German Army[23] German Navy[23]

 Haiti

Haitian Air Corps[25]

 Indonesia

Indonesian Air Force[26]

 Italy

Italian Air Force[27]

 Israel

Israeli Air Force[28]

 Japan

Japan
Japan
Maritime Self-Defense Force[29]

 Khmer Republic

Khmer Air Force

Kingdom of Laos

Royal Lao Air Force[30]

 Netherlands

Royal Netherlands
Netherlands
Navy[31]

 Nicaragua

Fuerza Aérea Sandinista[32]

 Philippines

Philippine Air Force[33]

 South Vietnam

Republic of Vietnam Air Force[34]

 Republic of China

Republic of China Army[35]

 Thailand

Royal Thai Air Force[36]

 United States

Air America[37] United States
United States
Air Force[38] United States
United States
Army[1] United States
United States
Marine Corps[1] United States
United States
Navy[1] United States
United States
Coast Guard[1][39]

 Uruguay

Uruguayan Navy[40]

Accidents and incidents[edit]

27 July 1960 Chicago Helicopter
Helicopter
Airways Flight 698 a S-58C registered N879 crashed into Forest Home Cemetery, Forest Park, Illinois, United States with the loss of 11 passengers and two crew. The investigation concluded that the helicopter became uncontrollable as a result of structural disintegration in flight caused by a fatigue failure of the main rotor blade.[41] 10 July 2002 Sikorsky S-58ET, N580US (S/N 58-1673, built 1963), struck power transmission lines with its tailwheel, ripping the aircraft in two, over Brookville Lake, Indiana. One crew member was killed; the other two crew members were rescued by boaters. The aircraft was operated by Midwest Helicopter
Helicopter
Airways of Hinsdale, Illinois, and registered to Midwest Truxton International of Burr Ridge, Illinois. "Based on interviews with witnesses and the surviving pilots, there was no indication of any mechanical failure," said SGT. Steve Comer of the Indiana State Police. NTSB Accident Report #CHI02FA189 [42] 13 March 2011 Sikorsky S-58ET, N33602, suffered an engine failure, descended and veered off the side of an office building in El Segundo, California, while lifting an external air conditioning unit from the roof. The commercial pilot was seriously injured, the helicopter was substantially damaged and consumed by a post-impact fire. The helicopter was registered to Heli Flight, Inc., and operated by Aris Helicopters.[43]

Aircraft on display[edit]

Sikorsky UH-34D Seahorse in National Air and Space Museum

Chile

Naval 51 – SH-34J under restoration at Museo Nacional Aeronáutico y del Espacio de Chile
Chile
in Santiago, Santiago.[44][not in citation given] This airframe was the first of two received by the Chilean Navy
Chilean Navy
and was displayed for many years in the wrong paint scheme.[citation needed] Naval 52 – SH-34J on static display at Viña del Mar Airport in Viña del Mar, Valparaíso. This airframe was the second of two received by the Chilean Navy
Chilean Navy
and was exhibited for the first time after restoration at Exponaval 2014.[45] It was previously on display at Alberto Widmer High School.[46]

France

HSS-1, No. 182, is on display at the Base d'aéronautique navale d'Hyères, the military part of the Toulon–Hyères Airport
Toulon–Hyères Airport
in France.[47] Serving until 1977 with 31F squadron, it was one of the last operational H-34's in French Naval Aviation. Now restored, No. 182 is displayed in the typical navy blue color of the French navy's helicopters of this time period.[48]

Germany

80+73 – SH-34G on static display at the Deutsches Museum
Deutsches Museum
in Munich, Bavaria.[49][50] 81+09 – H-34 GIII on static display at the Hubschraubermuseum Bückeburg
Bückeburg
in Bückeburg, Lower Saxony.[51][52] 58-0356 – S-58C on static display at the Auto & Technik Museum Sinsheim
Sinsheim
in Sinsheim, Baden-Württemberg.[53]

Netherlands

A former Royal Netherlands
Netherlands
Navy SH-34J Seabat bearing the markings of number 134 operating from Valkenburg naval air station is on display with folded rotor blades and tail in the newly opened "Nationaal Militair Museum" situated at the former airbase of Soesterberg. Previously the aircraft was displayed in the National Airforce museum at Kamp van zeist which has since closed down.[54]

Thailand

H4k-64/30 – Type 4A on static display at the Royal Thai Air Force Museum in Bangkok, Bangkok.[55][56] Unknown ID – Type 4 on static display at the Royal Thai Air Force Museum in Bangkok, Bangkok.[55][57]

Philippines

153131 – UH-34D on static display at the Philippines
Philippines
Air Force Aerospace Museum in Manila, National Capital.[58]

United States

138460 – UH-34D on static display at the Evergreen Aviation & Space Museum in McMinnville, Oregon.[59][60] 143939 – H-34A on static display at the USS Midway Museum
USS Midway Museum
in San Diego, California.[61][62] 145694 – UH-34J on static display at the Wings of Freedom Aviation Museum in Horsham, Pennsylvania. This airframe was built in October 1958 and restored in April 1995.[63][64] 145717 – LH-34D on static display at the New England Air Museum
New England Air Museum
in Windsor Locks, Connecticut.[65] 147171 – UH-34D on static display in the Vietnam display next to USS Yorktown at the Patriots Point Naval & Maritime Museum in Charleston, South Carolina.[66][67] 147191 – VH-34D is on static display at the New River Aviation Memorial at the front gate of Marine Corps Air Station New River
Marine Corps Air Station New River
in Jacksonville, North Carolina.[68] This airframe was the last flying US Marine Corps H-34 in 1973.[69] It is painted with tail markings both for HMX-1
HMX-1
and MCAS New River.[citation needed] 148002 – SH-34J on static display at the Pueblo Weisbrod Aircraft Museum in Pueblo, Colorado.[70][71] 148764 – UH-34D on static display at Fort Worth NAS near Fort Worth, Texas.[72] 148768 – UH-34D on static display at the Udvar-Hazy Center
Udvar-Hazy Center
of the National Air and Space Museum
National Air and Space Museum
in Chantilly, Virginia.[73] 148963 – HH-34J on static display at the Pacific Aviation Museum
Pacific Aviation Museum
in Honolulu, Hawaii.[74] 150213 – UH-34D on static display at the Cavanaugh Flight Museum in Addison, Texas.[75][76] 150219 – UH-34D on static display at the Flying Leatherneck Aviation Museum in San Diego, California.[77][78] 150227 – UH-34D on static display at the National Museum of Naval Aviation in Pensacola, Florida.[79][80] 150255 – UH-34D on static display at the Wings and Rotors Air Museum in Murrieta, California.[81][82][83] 150553 – UH-34D on static display at the USS Hornet Museum
USS Hornet Museum
in Alameda, California. This airframe entered service in August 1963 and was donated to the museum in 2003 by the Pima Air and Space Museum.[84] 150570 – UH-34D on static display at the National Museum of the Marine Corps in Triangle, Virginia.[85][86] 154895 – UH-34D on static display at the Palm Springs Air Museum
Palm Springs Air Museum
in Palm Springs, California.[87][88] 53-4477 – CH-34G on static display at the Air Force Flight Test Center Museum in Edwards, California.[89][90] 53-4526 – CH-34A in storage at the United States Army
United States Army
Aviation Museum near Daleville, Alabama.[91] 53-4544 – CH-34C on static display at the Camp San Luis Obispo Museum and Historical Site in San Luis Obispo, California.[92][93] 54-0914 – CH-34C on static display at the Russell Military Museum in Zion, Illinois.[94][95] 55-4496 – CH-34C in storage at the Carolinas Aviation Museum
Carolinas Aviation Museum
in Charlotte, North Carolina.[96] This airframe was previously on display at the Florence Air & Missile Museum in Florence, South Carolina.[97][98] 56-4320 – VH-34C on static display at the United States
United States
Army Aviation Museum near Daleville, Alabama.[99][100] 57-1684 – VH-34C on static display at the Pima Air and Space Museum in Tucson, Arizona.[101] 57-1698 – CH-34A on static display at the Allegheny Arms & Armor Museum in Smethport, Pennsylvania. This airframe was previously on display at the Intrepid Sea, Air & Space Museum in New York, New York.[102] 57-1705 – CH-34C on static display at Travis AFB
Travis AFB
near Fairfield, California.[103] 57-1708 – CH-34C on static display at the Pacific Coast Air Museum in Santa Rosa, California.[104][105] 57-1725 – VH-34C on static display at the U.S. Army Transportation Museum near Newport News, Virginia.[106][107] 143937 – HSS-1 Presented as H-34D on static display at the Estrella Warbirds Museum in Paso Robles, California.[108]

Specifications (H-34 Choctaw)[edit]

General characteristics

Crew: 2 Capacity: 12 (A Model) 18 (C Model) troops or 8 stretchers Length: 56 ft 8.5 in (17.28 m) Rotor diameter: 56 ft 0 in (17.07 m) Height: 15 ft 11 in (4.85 m) Disc area: 2,463 ft² (228.85 m²) Empty weight: 7,900 lb (3,583 kg) Max. takeoff weight: 14,000 lb (6,350 kg) Powerplant: 1 × Wright R-1820-84 radial engine, 1,525 hp (1,137 kW)

Performance

Maximum speed: 173 mph (150 kn, 278 km/h) Range: 293 km (182 mi) Service ceiling: 4,905 ft (1,495 m[109])

Armament

Various (See main article: U.S. Helicopter
Helicopter
Armament Subsystems)

Notable appearances in media[edit] Main article: Aircraft in fiction § CH-34 Choctaw / Westland Wessex See also[edit]

Aviation portal United States Navy
United States Navy
portal

Related development

Piasecki PA-97 Sikorsky H-19 Chickasaw Westland Wessex

Aircraft of comparable role, configuration and era

Mil Mi-4

Related lists

List of civil aircraft List of military aircraft of the United States List of rotorcraft

References[edit] Notes

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Helicopter
Markets and Systems. Coulsdon, Surrey, UK: Jane's Information Group, 1996. ISBN 978-0-7106-1363-9. ^ Fails 1995, p. 127. ^ MARINES AND HELICOPTERS, 1962–1973, pp.127–128, retrieved 9 December 2014. ^ " Sikorsky H-34
Sikorsky H-34
/ CH-34 Choctaw."militaryfactory.com. Retrieved: 17 January 2011. ^ Across The Fence, John Stryker Meyer ^ The Vietnamese Air Force, 1951–1975. An Analysis of Its Role in Combat and Fourteen Hours at Koh Tang. Volume 3, USAF Southeast Asia monograph series 4 and 5. Washington D.C.: Office of Air Force History, 1985. ^ Gunston 1982, p. 92. ^ Wade, Mark. "Mercury MR-4." astronautix.com, 29 April 2009. Retrieved (from archive): 26 July 2011. ^ Brown, Allan. "S-58ET from New York Helicopter." airliners.net. Retrieved: 17 January 2011. ^ "The Flying Winnebago".  ^ "H-58." Fuerza Aerea Argentina. Retrieved: 7 March 2013. ^ "World Air Forces 1968, p. 48." flightglobal.com. Retrieved: 1 March 2013. ^ a b c d "World Air Forces 1968, p. 49." flightglobal.com. Retrieved: 1 March 2013. ^ Griffin, 1969, p.17 ^ "SH-34J." Armada de Chile. Retrieved: 7 March 2013. ^ "Sikorsky-HSS-1N-(S-58A)." Demand media. Retrieved: 7 March 2013. ^ "World's Air Forces 1981, p. 332. flightglobal.com. Retrieved: 7 March 2013. ^ a b c d "World Air Forces 1968, p. 51." flightglobal.com. Retrieved: 1 March 2013. ^ "World Air Forces 1971, p. 928." flightglobal.com. Retrieved: 7 March 2013. ^ "World's Air Forces 1981, p. 346." flightglobal.com. Retrieved: 7 March 2013. ^ "World's Air Forces 2004, p. 65." flightglobal.com. Retrieved: 7 March 2013. ^ "World Air Forces 1968, p. 52." flightglobal.com. Retrieved: 7 March 2013. ^ "World Air Forces 1968, p. 52 (m)." flightglobal.com. Retrieved: 1 March 2013. ^ "=World Air Forces 1971, p. 932." flightglobal.com. Retrieved: 7 March 2013. ^ "World Air Forces 1968, p. 53." flightglobal.com. Retrieved: 1 March 2013. ^ "World Air Forces 1968, p. 54." flightglobal.com. Retrieved: 1 March 2013. ^ "World's Air forces 1981, p. 362." flightglobal.com. Retrieved: 7 March 2013. ^ " Sikorsky H-34
Sikorsky H-34
/ CH-34 Choctaw - Transport / Close-Support Helicopter
Helicopter
- History, Specs and Pictures - Military Aircraft." Militaryfactory.com. Retrieved: 20 January 2014. ^ "World Air Forces 1968, p. 60."flightglobal.com. Retrieved: 1 March 2013. ^ "World's Air Forces 1981, p. 377." flightglobal.com. Retrieved: 7 March 2013. ^ "World Air Forces 1968, p. 55." flightglobal.com. Retrieved: 7 March 2013. ^ "Air America: Sikorsky UH-34s (1st series)." utdallas.edu. Retrieved: 10 August 2014. ^ "US Air Force H-34." Helicopter
Helicopter
History Site. Retrieved: 7 March 2013. ^ "USCG HH-34.' USCG History. Retrieved: 7 March 2013. ^ "World's Air Forces 1987, p. 104." flightglobal.com. Retrieved: 7 March 2013. ^ "CAA 429 World Airline Accident Summary with reference to Civil Aeronautics Board Aircraft Accident Report SA-357." United Kingdom
United Kingdom
CAA Document. ^ Chicago Tribune: Helicopter
Helicopter
crash kills Woodridge man ^ "NTSB Identification: WPR11FA163." ntsb.gov. Retrieved: 26 July 2011. ^ "Colecciones". Museo Nacional Aeronáutico y del Espacio. Archived from the original on 24 December 2014. Retrieved 29 October 2016.  ^ Romero, Álvaro (8 December 2014). "Presentaron al Sikorsky SH-34J Seabat Naval 52". ModoCharlie (in Spanish). ModoCharlie. Retrieved 29 October 2016.  ^ Romero, Álvaro (August 2008). "Ilustre desconocido v3.0". ModoCharlie (in Spanish). ModoCharlie. Retrieved 29 October 2016.  ^ "Le Sikorsky de Palyvestre." Avions-légendaire.net, 29 July 2012. Retrieved: 22 August 2014. Retrieved: 13 March 2015. ^ "Les Sikorsky H-34
Sikorsky H-34
et HSS-1." Les hélicoptères anciens en France, 22 August 2014. Retrieved: 13 March 2015. ^ "Sikorsky S-58 (H-34 G)". Deutsches Museum. Retrieved 29 October 2016.  ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n 80+73 Marineflieger, c/n 58-1557". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Sikorsky S-58 (H-34 GIII)". Das Hubschraubermuseum Buckeburg. Retrieved 29 October 2016.  ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n 81+09 Heeresfliegertruppe, c/n 58-1679". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky S-58C, s/n B-11 FABe, c/n 58-0356, c/r D-HAUF". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "SH-34J / 134" NMM. Retrieved: 14 October 2017 ^ a b "Building 5:Helicopters and last propeller fighter". Royal Thai Air Force Museum. Archived from the original on 26 October 2013. Retrieved 29 October 2016.  ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n H4k-64/30 RTAF, c/n 58-1117, c/r N1170U". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky UH-34D Seahorse, c/n 58-1683". Aerial Visuals. AerialVisuals.ca.  ^ "Airframe Dossier - Sikorsky UH-34D Seahorse, s/n 153131 USN, c/n 58-1769". Aerial Visuals. AerialVisuals.ca. Retrieved 8 November 2016.  ^ "Helicopters". Evergreen Museum Campus. Evergreen Museum. Retrieved 29 October 2016.  ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n 138460 USN". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "H-34 Seabat". USS Midway Museum. USS Midway. Archived from the original on 29 October 2016. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky H-34A Choctaw, s/n 143939 USN, c/n 58-0709". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "SIKORSKY UH-34D "SEA BAT"". Harold F. Pitcairn Wings of Freedom Aviation Museum. Wings of Freedom Aviation Museum. Retrieved 28 October 2016.  ^ "Airframe Dossier - Sikorsky SH-34J Seabat, s/n 145694 USN, c/r N46920". Aerial Visuals. AerialVisuals.ca. Retrieved 28 October 2016.  ^ "Sikorsky LH-34D (S-58) 'Seabat'". New England Air Museum. New England Air Museum. Archived from the original on 29 August 2016. Retrieved 29 October 2016.  ^ "UH-34D SEAHORSE" (PDF). Patriots Point. Patriots Point. Retrieved 28 October 2016.  ^ "Airframe Dossier - Sikorsky UH-34D Seahorse, s/n 147171 USN, c/n 58-1087". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ Burns, Sarah (1 August 2013). "Squadron restores pre-Vietnam helicopters". JDNews.com. Jacksonville, North Carolina: GateHouse Media, LLC. Retrieved 28 October 2016.  ^ "c/n 58-1142". helis.com. Retrieved 28 October 2016.  ^ "SH-34J Sea Horse." Archived 2016-12-25 at the Wayback Machine. Pueblo Weisbrod Aircraft Museum. Retrieved: 13 March 2015. ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n 148002 USN". Aerial Visuals. AerialVisuals.ca. Retrieved 28 October 2016.  ^ "Airframe Dossier - Sikorsky S-58 / H-34 / HSS / Wessex, s/n 148764 USMC, c/n 58-1315". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Sikorsky UH-34D Seahorse". Smithsonian National Air and Space Museum. Archived from the original on 10 May 2015. Retrieved 29 October 2016.  ^ Panko, Ray (26 August 2013). "Sikorsky H-34 Choctaw/Seabat/Seahorse". Pacific Aviation Museum
Pacific Aviation Museum
Pearl Harbor. Retrieved 28 October 2016.  ^ "Aircraft". Cavanaugh Flight Museum. Archived from the original on 29 October 2016. Retrieved 29 October 2016.  ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n 150213 USN". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Aircraft Listing" (PDF). Flying Leathernecks. Flying Leatherneck Historical Foundation. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky UH-34D Seahorse, s/n 150219 USN, c/n 58-1559". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "H-34 SEABAT/SEAHORSE". National Naval Aviation Museum. Naval Aviation Museum Foundation. Retrieved 28 October 2016.  ^ O'Connell, Jim. "Pete VX-6." Radiocom.net. Retrieved: 4 September 2012. ^ "SIKORSKY UH-34D". Wings & Rotors Air Museum. Archived from the original on 13 November 2016. Retrieved 5 December 2016.  ^ "Airframe Dossier - Sikorsky UH-34D Seahorse, s/n 150255 USMC". Aerial Visuals. AerialVisuals.ca. Retrieved 5 December 2016.  ^ "Sikorsky UH-34D". Platinum Fighter Sales. Archived from the original on 15 December 2016. Retrieved 5 December 2016.  ^ "UH-34D Seahorse". USS Hornet Sea, Air & Space Museum. USS Hornet. Archived from the original on 29 October 2016. Retrieved 28 October 2016.  ^ Kristy, Ben. "Sikorsky UH-34D". National Museum of the Marine Corps. National Museum of the Marine Corps. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky UH-34D Seahorse, s/n 150570 USN, c/n 58-1699, c/r N19YN". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Aircraft". Palm Springs Air Museum. Palm Springs Air Museum. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky UH-34D Seahorse, s/n 154895 USMC, c/n 58-1805". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Aircraft Inventory". Flight Test Historical Foundation. Flight Test Historical Foundation. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky S-58 / H-34 / HSS / Wessex, s/n 57-1726 USAF". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky CH-34A, s/n 53-4526 US, c/n 58-0088". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "CH-34 "Choctaw"". The California Military Museum. Retrieved 29 October 2016.  ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n 53-4544 USAF, c/n 58-0106". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "RUSSELL MILITARY MUSEUM EXHIBITS". Russell Military Museum. Russell Military Museum. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky CH-34C Choctaw, s/n 54-0914 US, c/n 58-0194". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Helicopters". Carolinas Aviation Museum. Carolinas Aviation Museum. Archived from the original on 25 July 2011. Retrieved 28 October 2016.  ^ "Airframe Dossier - Sikorsky CH-34A, s/n 55-4496 US, c/n 58-0509". Aerial Visuals. AerialVisuals.ca. Retrieved 28 October 2016.  ^ "c/n 58-509". helis.com. Retrieved 28 October 2016.  ^ "Rotary Wing". United States Army
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Aviation Museum. Army Aviation Museum Foundation, Inc. Archived from the original on 5 November 2016. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky VH-34C, s/n 56-4320 US, c/n 58-718". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Choctaw." Pimaair.org. Retrieved: 13 March 2015. ^ "Airframe Dossier - Sikorsky CH-34A, s/n 57-1698 USAF, c/n 58-0842, c/r N94485". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky CH-34C Choctaw, s/n 57-1705 US". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "H-34 Choctaw Helicopter". Pacific Coast Air Museum. Pacific Coast Air Museum. Archived from the original on 21 October 2016. Retrieved 29 October 2016.  ^ "Airframe Dossier - SikorskyS-58 / H-34 / HSS / Wessex, s/n 57-1708 USAF, c/n 58-0868". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ "THE EXECUTIVE FLIGHT DETACHMENT". US Army Transportation Museum. Retrieved 29 October 2016.  ^ "Airframe Dossier - Sikorsky VH-34C, s/n 57-1725 US, c/n 58-0910". Aerial Visuals. AerialVisuals.ca. Retrieved 29 October 2016.  ^ H-34D Sikorsky Choctaw Helicopter, BuNo 143937 at Estrella Warbirds Museum. Retrieved 3 November 2017 ^ Apostolo 1984, p. 84.

Bibliography

Apostolo, Giorgio. The Illustrated Encyclopedia of Helicopters. New York: Bonanza Books, 1984. ISBN 0-517-439352. Duke, R.A. Helicopter
Helicopter
Operations in Algeria
Algeria
[Translated French]. Washington, DC: Dept. of the Army, 1959. Fails, William R. Marines & Helicopters, 1962–1973. Darby, Pennsylvania: Diane Publishing, 1995. ISBN 0-7881-1818-8. Griffin, John A. Canadian Military Aircraft Serials & Photographs 1920–1968. Ottawa, Ontario, Canada: Queen's Printer, Publication No. 69-2, 1969. Gunston, Bill. An Illustrated Guide To the Israeli Air Force. London: Salamander Books, 1982. ISBN 978-0-668-05506-2. Leuliette, Pierre. St. Michael and the Dragon: Memoirs of a Paratrooper, New York: Houghton Mifflin, 1964. Mesko, Jim: Airmobile: The Helicopter
Helicopter
War in Vietnam. Carollton, Texas: Squadron/Signal Publications, 1984. ISBN 0-89747-159-8. Riley, David. "French Helicopter
Helicopter
Operations in Algeria." Marine Corps Gazette, February 1958, pp. 21–26. Shrader, Charles R. The First Helicopter
Helicopter
War: Logistics and Mobility in Algeria, 1954–1962. Westport, Connecticut: Praeger Publishers, 1999. ISBN 0-275-96388-8. Spenser, Jay P. Whirlybirds: A History of the U.S. Helicopter Pioneers. Seattle, Washington: University of Washington Press, 1998. ISBN 0-295-97699-3.

Further reading[edit]

Padin, Núñez, Jorge Felix and Juan Carlos Cicalesi, eds. Sikorsky S-55/H-19 & S-58/T (Serie en Argentina) in Spanish. Bahía Blanca, Argentina: Fuerzas Aeronavales, 2011. ISBN 978-987-1682-13-3.

External links[edit]

Wikimedia Commons has media related to Sikorsky S-58 and Sikorsky H-34.

VNAF Kingbee 219th Squadron history fact sheet HELIS.com Sikorsky S-58/H-34/HSS-1/HUS-1 Database

v t e

Sikorsky aircraft

Fixed-wing aircraft (company designations)

S-1 S-2 S-3 S-4 S-5 S-6 S-7 S-8 S-9 S-10 S-11 S-12 S-13 S-14 S-15 S-16 S-17 S-18 S-19 S-20 S-21 S-22 S-23 S-24 S-25 S-26 S-27 S-28 S-29-A S-30 S-31 S-32 S-33 S-34 S-35 S-36 S-37 S-38 S-39 S-40 S-41 S-42 S-43 VS-44 S-45

Fixed-wing aircraft (military designations)

C-6 C-28 JRS JR2S PS RS XBLR-3 XPBS XSS XV-2

Helicopters (company designations)

VS-300 (S-46) S-47 S-48 S-49 S-50 S-51 S-52 S-53 S-54 S-55 S-56 S-57 S-58 S-59 S-60 S-61 S-61L/N S-61R S-62 S-63 S-64 S-65 S-66 S-67 S-68 S-69 S-70 S-71 S-72 S-74 S-75 S-76 S-80 S-92 S-97 S-300 S-333 S-434

Helicopters (military designations)

SH-3 HH-3E/F R-4 H-5 H-6 H-18 H-19 H-34 CH-37 XH-39 HH-52A CH-53 CH-53E CH-53K CH-54 HLH HH-60G HH-60J MH-60R/S SH-60B/F SH-60J/K UH-60 VH-60 RAH-66 H-92 CH-124 CH-148

Experimental aircraft

Cypher Cypher II Firefly X2 XBLR-3 XV-2

v t e

United States
United States
helicopter designations, Army/Air Force and Tri-Service systems

Numerical sequence used by USAAC/USAAF/USAF 1941–present; US Army 1948–1956 and 1962–present; US Navy 1962–present

Main sequence (1941–1962)

Prefix R-, 1941–1948

R-1 R-2 R-3 R-4 R-5 R-6 R-7 R-8 R-9 R-10 R-11 R-12 R-13 R-14 R-15 R-16

Prefix H-, 1948–1962

H-5 H-6 H-9 H-10 H-11 H-12 H-13/J H-15 H-16 H-17 H-18 H-19 H-20 H-21 H-22 H-23 H-24 H-25 H-26 H-27 H-28 H-29 H-30 H-31 H-32 H-33 H-34 H-35 H-361 H-37 H-381 H-39 H-40 H-41 H-42 H-43 H-441 H-451

Main joint sequence (1962–present)

1962 redesignations

OH-13/UH-13J UH-19 CH-21 OH-23 UH-25 CH-34 CH-37 HH-43

New designations

CH-46/HH-46/UH-46 CH-47 UH-48 XH-49 QH-50 XH-51 HH-52 CH-53/HH-53/MH-53/CH-53E/CH-53K CH-54 TH-55 AH-56 TH-57 OH-58 XH-59 UH-60/SH-60/HH-60/MH-60 YUH-61 XCH-62 YAH-63 AH-64 HH-65 RAH-66 TH-67 MH-68 H-691 ARH-70 VH-71 UH-72 H-73 to H-891 MH-90 H-911 VH-92

1962 redesignations reusing old numbers

UH-1/N/Y AH-1/J/T/W/Z SH-2/SH-2G SH-3/CH-3/HH-3 OH-4 OH-5 OH-6/MH-6/AH-6

1 Not assigned

v t e

USN helicopter designations pre-1962

Helicopter, Anti-submarine

Bell

HSL

Sikorsky

HSS-1 HSS-2

Helicopter, Crane

McDonnell

HCH

Helicopter, Observation

Convertawings

HOC

Hiller

HOE

Gyrodyne

HOG

Kaman

HOK

Sikorsky

HOS HO2S HO3S HO4S HO5S

Helicopter, Trainer pre-1948

Sikorsky

HNS

Helicopter, Trainer 1948-1962

Hiller

HTE

Kaman

HTK

Bell

HTL

Helicopter, Transport 1944-1962

Boeing Vertol

HRB

McDonnell

HRH

Piasecki

HRP

Sikorsky

HRS HR2S HR3S

Helicopter, Utility pre-1949

McDonnell

HJD

McDonnell

HJH

Piasecki

HJP

Sikorsky

HJS

Helicopter, Utility 1950-1962

Kaman

HUK HU2K

Bell:

HUL

McCulloch

HUM

Piasecki

HUP

Sikorsky

HUS HU2S

v t e

Canadian Forces
Canadian Forces
post-1968 unified aircraft designations

100–119

CF-100 CF-101 102–103 skipped CF-104 CF-105 CC-106 CP-107 CC-108 CC-109 CSR-110 CF-111 CH-112 CH-113 CT-114 CC-115 CF-116 CC-117 CH-118 CO-119 CO-119(2)

120–139

CT-120 CP-121 CP-122 CSR-123/CC-123 CH-124 CH-125 CH-126 CH-127 CT-128 CC-129 CC-130 CX-131 CC-132 CT-133 CT-134 CH-135 CH-136 CC-137 CC-138 CH-139

140–159

CP-140 CC-141 CT-142 CH-143 CC-144 CT-145 CH-146 CH-147 CH-148 CH-149 CC-150 151–154 skipped CT-155 CT-156 157–159 skipped

160–      

CU-160 CU-161 CU-162 CU-163 164–166 skipped CU-167 CU-168 169 skipped CU-170 171–176 skipped CC-177 CH-178 179–

.