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The Sikorsky H-19 Chickasaw (company model number S-55) was a multi-purpose
helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...
used by the
United States Army The United States Army (USA) is the land warfare, land military branch, service branch of the United States Armed Forces. It is one of the eight Uniformed services of the United States, U.S. uniformed services, and is designated as the Army o ...
and
United States Air Force The United States Air Force (USAF) is the Aerial warfare, air military branch, service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part ...
. It was also license-built by
Westland Aircraft Westland Aircraft was a British aircraft manufacturer located in Yeovil, Somerset. Formed as a separate company by separation from Petters Limited just before the start of the Second World War, Westland had been building aircraft since 1915. D ...
as the Westland Whirlwind in the United Kingdom.
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
and
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mu ...
models were designated HO4S, while those of the U.S. Marine Corps were designated HRS. In 1962, the U.S. Navy, U.S. Coast Guard and U.S. Marine Corps versions were all redesignated as H-19s like their U.S. Army and U.S. Air Force counterparts.


Development

Development of the H-19 was initiated privately by Sikorsky without government sponsorship. The helicopter was initially designed as a testbed for several novel design concepts intended to provide greater load-carrying ability in combination with easy maintenance. Under the leadership of designer Edward F. Katzenberger, a mockup was designed and fabricated in less than one year. The first customer was the United States Air Force, which ordered five YH-19 aircraft for evaluation; the YH-19's first flight was on 10 November 1949, less than a year after the program start date. This was followed by delivery of the first YH-19 to the U.S. Air Force on 16 April 1950 and delivery of the first HO4S-1 helicopter to the U. S. Navy on 31 August 1950. A U.S. Air Force YH-19 was sent to
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
for service trials in March 1951, where it was joined by a second YH-19 in September 1951. On 27 April 1951, the first HRS-1 was delivered to the U.S. Marine Corps, and on 2 May 1951, the first S-55 was delivered to Westland Aircraft. 1,281 of the helicopters were manufactured by Sikorsky in the United States. An additional 447 were manufactured by licensees of the helicopter including Westland Aircraft, the
SNCASE SNCASE (abbreviated from ''Société nationale des constructions aéronautiques du Sud-Est'') or Sud-Est was a French aircraft manufacturer. The company was formed on February 1, 1937, by the nationalization and merger of Lioré et Olivier, Pote ...
in France and Mitsubishi in Japan. The helicopter was widely exported, used by many other nations, including Portugal, Greece, Israel, Chile, South Africa, Denmark and Turkey. In 1954 the Marines tested an idea to enhance lift in
hot and high In aviation, hot and high is a condition of low air density due to high ambient temperature and high airport elevation. Air density decreases with increasing temperature and altitude. The lower air density reduces the power output from the airc ...
and/or heavily loaded conditions by installing a rocket nozzle at the tip of each rotor blade with the fuel tank located in the center above the rotor blade hub. Enough fuel was provided for seven minutes of operation. Although tests of the system were considered successful, it was never adopted operationally.


Design

Major innovations implemented on the H-19 were the forward placement of the engine below the crew compartment and in front of the main cabin, the use of offset flapping hinges located nine inches (229 mm) from the center of the rotor, and the use of hydraulic servos for the main rotor controls. These features yielded an aircraft that was far more capable in a transport role than previous Sikorsky designs. The forward engine location placed the main cabin essentially in line with the main rotor's rotational axis and close to the aircraft center of gravity, making it easier to maintain proper weight and balance under differing loading conditions. The impetus for this design choice was the recent rejection of the Sikorsky XHJS by the U.S. Navy in favor of the
tandem rotor Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction. The original use of the term in English was in ''tandem harness'', which is used for two ...
Piasecki HUP Retriever The Piasecki HUP Retriever/H-25 Army Mule is a compact single radial engine, twin overlapping tandem rotor utility helicopter developed by the Piasecki Helicopter Corporation of Morton, Pennsylvania. Designed to a United States Navy specification ...
; the Navy had strongly objected to the necessity to use
ballast Ballast is material that is used to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide stability. A compartment within a boat, ship ...
in the cabin-forward XHJS to maintain proper weight and balance, prompting Sikorsky to seek single-rotor design alternatives that did not require this. Another benefit of this engine location was ease of maintenance, as the engine could be readily accessed at ground level through dual clamshell-style doors; the entire engine could be changed in only two hours, and the
radial engine The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is ...
was oriented backwards relative to a typical airplane installation, allowing more convenient access to engine accessories.The accessories for a
radial engine The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is ...
were traditionally located on the side of the engine opposite the crankshaft; in a prop-powered airplane that used the more commonplace
tractor configuration In aviation, the term tractor configuration refers to an aircraft constructed in the standard configuration with its engine mounted with the propeller in front of it so that the aircraft is "pulled" through the air. Oppositely, the pusher co ...
, the accessories were typically buried inside a
cowling A cowling is the removable covering of a vehicle's engine, most often found on automobiles, motorcycles, airplanes, and on outboard boat motors. On airplanes, cowlings are used to reduce drag and to cool the engine. On boats, cowlings are a cove ...
or
nacelle A nacelle ( ) is a "streamlined body, sized according to what it contains", such as an engine, fuel, or equipment on an aircraft. When attached by a pylon entirely outside the airframe, it is sometimes called a pod, in which case it is attached ...
, resulting in less convenient access than the reversed orientation used in the H-19.
The offset flapping hinges and hydraulic servos gave more positive flight control under differing loading conditions, isolated the flight controls from vibration, and lessened control forces; the H-19 could be flown with only two fingers on the cyclic control. The YH-19 prototypes featured a blunt aft
fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraf ...
and a single starboard-mounted horizontal
tailplane A tailplane, also known as a horizontal stabiliser, is a small lifting surface located on the tail (empennage) behind the main lifting surfaces of a fixed-wing aircraft as well as other non-fixed-wing aircraft such as helicopters and gyropla ...
with a small vertical fin at its outboard end. Initial production models added a large fillet-like fin behind the fuselage and under the tailboom, and the tailplane configuration was changed to an inverted "V" shape. Early H-19 and HO4S variants were powered by a Pratt & Whitney R-1340-57 radial rated at 600 hp (472 kW) and used a
centrifugal clutch A centrifugal clutch is an automatic clutch that uses centrifugal force to operate. The output shaft is disengaged at low rotational speed and engages more as speed increases. It is often used in mopeds, underbones, lawn mowers, go-karts, chainsaw ...
that automatically engaged the main rotor when a preset engine speed was reached. However, the HO4S was deemed underpowered in U.S. Navy service with this powerplant, so the aircraft was re-engined with a 700 hp (522 kW) Wright R-1300-3 radial which the U.S. Navy found to be adequate in an air-sea rescue role; the H-19B, HO4S-3, HRS-3, and subsequent models would use this powerplant. The R-1300 models also used a single horizontal tailplane in place of the early inverted "V" style, and a new hydro-mechanical clutch gave smoother and more rapid rotor acceleration during clutch engagement and allowed the engine to be started and operated at any speed while disengaged from the transmission and rotors. Early civilian and military S-55 models offered a folding 400 lb (181 kg) capacity hoist above the starboard main cabin door, while later models could be equipped with a more capable and reliable 600 lb (272 kg) capacity unit. Starting with the introduction of the S-55C in October 1956, the tailboom was inclined three degrees downward to provide more main rotor clearance during hard landings; models equipped with the inclined tail also used an 8 ft 9 in (2.67 m)
tail rotor The tail rotor is a smaller rotor mounted vertically or near-vertically at the tail of a traditional single-rotor helicopter, where it rotates to generate a propeller-like horizontal thrust in the same direction as the main rotor's rotation. Th ...
in place of the earlier 8 ft 8 in (2.64 m) unit.


Operational history

The H-19 Chickasaw holds the distinction of being the U.S. Army's first true transport helicopter and, as such, played an important role in the initial formulation of Army doctrine regarding air mobility and the battlefield employment of troop-carrying helicopters. The H-19 underwent live service tests in the hands of the 6th Transportation Company, during the
Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...
beginning in 1951 as an unarmed transport helicopter. Undergoing tests such as medical evacuation, tactical control and frontline cargo support, the helicopter succeeded admirably in surpassing the capabilities of the H-5 Dragonfly which had been used throughout the war by the Army. The U.S. Marine Corps made extensive use of the H-19 in the Korean War. It was designated as the HRS in USMC service. Marine Squadron
HMR-161 Marine Medium Tiltrotor Squadron 161 (VMM-161) is a United States Marine Corps tiltrotor squadron that operates the MV-22 Osprey. The squadron, known as the "Greyhawks", is based at Marine Corps Air Station Miramar, California and falls under ...
arrived in Korea on 2 September 1951 with 15 HRS-1 helicopters. The new helicopter squadron started operations upon arrival. On 13 September 1951, during Operation Windmill I, HMR-161 transported of gear and 74 Marines onto a ridge in the Punchbowl area. A week later HMR-161 shuttled 224 recon company marines and of supplies to a remote hilltop in the same area. Their performance continued to improve and in Operation Haylift II on 23–27 February 1953, HMR-161 lifted of cargo to resupply two regiments. Although HMR-161 helicopters were operating in hot landing zones they did not lose any helicopters to enemy fire. HRS-1 helicopters were also used to relocate rocket launcher batteries. Because rockets create much visible dust when fired they make an easy target for enemy artillery. To reduce their exposure, launchers and crews were moved twice a day. Each HRS-1 helicopter carried four rocket launchers and extra rockets as external cargo, with the crew in the cabin. The HRS-1 helicopter proved to be durable and reliable in Korean service. One reportedly flew home after losing of main rotor blade to a tree. HMR-161 reported 90% aircraft availability. The U.S. Air Force ordered 50 H-19A's for rescue duties in 1951. These aircraft were the primary rescue and medical evacuation helicopters for the USAF during the Korean War. The Air Force continued to use the H-19 through the 1960s, ultimately acquiring 270 of the H-19B model."Sikorsky UH-19B Chickasaw."
''National Museum of the US Air Force.'' Retrieved: 13 September 2015.
On 1 September 1953,
Sabena The ''Societé anonyme belge d'Exploitation de la Navigation aérienne'' (French; ), better known by the acronym Sabena or SABENA, was the national airline of Belgium from 1923 to 2001, with its base at Brussels National Airport. After its ba ...
used the S-55 to inaugurate the first commercial helicopter service in Europe, with routes between
Rotterdam Rotterdam ( , , , lit. ''The Dam on the River Rotte'') is the second largest city and municipality in the Netherlands. It is in the province of South Holland, part of the North Sea mouth of the Rhine–Meuse–Scheldt delta, via the ''"Ne ...
and
Maastricht Maastricht ( , , ; li, Mestreech ; french: Maestricht ; es, Mastrique ) is a city and a municipality in the southeastern Netherlands. It is the capital and largest city of the province of Limburg. Maastricht is located on both sides of the ...
in the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
and
Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western state of North Rhine-Westphalia (NRW) and the fourth-most populous city of Germany with 1.1 million inhabitants in the city proper and 3.6 millio ...
and
Bonn The federal city of Bonn ( lat, Bonna) is a city on the banks of the Rhine in the German state of North Rhine-Westphalia, with a population of over 300,000. About south-southeast of Cologne, Bonn is in the southernmost part of the Rhine-Ru ...
in
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
. France made aggressive use of helicopters in Algeria, both as troop transports and gunships, Piasecki/Vertol H-21 and Sud-built Sikorski H-34 helicopters rapidly displaced fixed-wing aircraft for the transport of paras and quick-reaction commando teams. In Indochina, a small number of Hiller H-23s and Sikorsky H-19s were available for casualty evacuation. In 1956, the French Air Force experimented with arming the H-19, then being superseded in service by the more capable Piasecki H-21 and Sikorsky H-34 helicopters. The H-19 was originally fitted with a 20-mm cannon, two rocket launchers, two 12.7-mm machine guns, and a 7.5-mm light machine gun firing from the cabin windows, but this load proved far too heavy, and even lightly armed H-19 gunships fitted with flexible machine guns for self-defense proved underpowered. The H-19 was also used by the French forces in the
First Indochina War The First Indochina War (generally known as the Indochina War in France, and as the Anti-French Resistance War in Vietnam) began in French Indochina from 19 December 1946 to 20 July 1954 between France and Việt Minh (Democratic Republic of Vi ...
. A small number of war-worn H-19s were given to the
Republic of Vietnam Air Force The South Vietnam Air Force, officially the Republic of Vietnam Air Force (RVNAF; vi, Không lực Việt Nam Cộng hòa, KLVNCH; french: Force aérienne vietnamienne, FAVN) (sometimes referred to as the Vietnam Air Force or VNAF) was the aer ...
in 1958, when the French military departed. These saw very limited service in the early days of the
Vietnam War The Vietnam War (also known by other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietnam a ...
, before being supplanted by the more capable Sikorsky H-34 Choctaw. The H-19 left U.S. military service when the CH-19E was retired by U.S. Navy squadron HC-5 on 26 February 1969. Surplus H-19s were sold on the open market, and civil interest was sufficient that Sikorsky (and later
Orlando Helicopter Airways Orlando () is a city in the U.S. state of Florida and is the county seat of Orange County. In Central Florida, it is the center of the Orlando metropolitan area, which had a population of 2,509,831, according to U.S. Census Bureau figures rele ...
) offered conversion kits allowing a military surplus H-19 to be commercially operated under a standard
Federal Aviation Administration The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic ...
type certificate A type certificate signifies the airworthiness of a particular category of aircraft, according to its manufacturing design (''type design''). It confirms that the aircraft of a new type intended for serial production, is in compliance with applica ...
as an S-55B.Military aircraft typically do not receive type certificates and thus cannot lawfully be operated commercially, except in certain special cases, such as a civil transport being adopted for military service without significant modifications.
Turboshaft A turboshaft engine is a form of gas turbine that is optimized to produce shaftpower rather than jet thrust. In concept, turboshaft engines are very similar to turbojets, with additional turbine expansion to extract heat energy from the exhaust ...
conversions were also offered by aftermarket modification companies. A novel civil conversion of the H-19 by Orlando Helicopter was the Heli-Camper, a
campervan A camper van, also referred to as a camper, caravanette, motor caravan or RV (recreational vehicle) in North America, is a self-propelled vehicle that provides both transport and sleeping accommodation. The term describes vans that have been fitt ...
-like conversion—featuring a built-in mini-kitchen and sleeping accommodations for four. In the late 1970s, Orlando participated in a joint effort with popular American recreational vehicle (RV) manufacturer
Winnebago Industries Winnebago Industries, Inc. is an American manufacturer of motorhomes, a type of recreational vehicle (RV), in the United States. In 2018, the company expanded into motorboat manufacturing with the acquisition of Chris-Craft Corporation. Winnebag ...
to market the aircraft, now renamed the Winnebago Heli-Home. A larger version based on the Sikorsky S-58 was also developed, and optional floats were offered for amphibious operations. The aircraft were featured in several American popular magazines and reportedly drew large crowds at RV shows and dealerships, but their high purchase price together with rising 1970s fuel prices resulted in very limited sales; production is not well documented, but is estimated at only six or seven of the S-55 and S-58 versions combined.


Variants

;YH-19: Five early production S-55s for evaluation. ;H-19A: USAF version of the YH-19 powered by a 600 hp (472 kW) R-1340-57 engine, redesignated UH-19A in 1962, 50 built. ;SH-19A: H-19As modified for
air-sea rescue Air-sea rescue (ASR or A/SR, also known as sea-air rescue), and aeronautical and maritime search and rescue (AMSAR) by the ICAO and IMO, is the coordinated search and rescue (SAR) of the survivors of emergency water landings as well as people ...
, redesignated HH-19A in 1962. ;H-19B: H-19A with a more powerful 700 hp (522 kW) R-1300-3 engine, redesignated UH-19B in 1962, 264 built. ;SH-19B: H-19Bs modified for air-sea rescue, redesignated HH-19B in 1962. ;H-19C: US Army version of the H-19A, redesignated UH-19C in 1962, 72 built. ;H-19D: US Army version of the H-19B, redesignated UH-19D in 1962, 301 built. ;HO4S-1: US Navy version of the H-19A, ten built. ;HO4S-2: Air-sea rescue version with R-1340 derated to 550 hp (410 kW), three built for Royal Canadian Navy (RCN), two surviving aircraft subsequently converted to HO4S-3 standard. ;HO4S-2G: United States Coast Guard version of HO4S-2, seven built. ;HO4S-3: Re-engined US Navy & Canadian version with 700 hp (522 kW) Wright R-1300-3 engine, US Navy aircraft redesignated UH-19F in 1962 (RCN/ CAF aircraft retained HO4S-3 designation), 79 built. ;HO4S-3G: United States Coast Guard version of the HO4S-3, redesignated HH-19G in 1962, 30 built. ;HRS-1: United States Marine Corps version of the HO4S for eight troops, 600 hp (472 kW) R-1340-57 engine, 60 built. ;HRS-2: HRS-1 with equipment changes, 101 built. ;HRS-3: HRS-2 with 700 hp (522 kW) R-1300-3 engine, became CH-19E in 1962, 105 built and conversions from HRS-2. ;HRS-4: Project for HRS-3 with a 1,025 hp (764 kW) R-1820 radial engine, not built. ;UH-19A: H-19A redesignated in 1962. ;HH-19A: SH-19A redesignated in 1962. ;UH-19B: H-19B redesignated in 1962. ;HH-19B: SH-19B redesignated in 1962. ;CH-19E: HRS-3 redesignated in 1962. ;UH-19F: HO4S-3 redesignated in 1962. ;HH-19G: HO4S-3G redesignated in 1962 ;S-55: Commercial version with 600 hp (472 kW) R-1340 engine. ;S-55A: Commercial version with 800 hp (596 kW) R-1300-3 engine. ;S-55B: New designation given to civilian kit conversions of military surplus H-19s with R-1300-3 engine. ;S-55C: S-55A with a 600 hp (472 kW) R-1340 engine. ;S-55T: Aircraft modified by Aviation Specialties and produced and marketed by Helitec with a 650 shp (485 kW)
Garrett AiResearch TPE-331 The Honeywell TPE331 (military designation: T76) is a turboprop engine. It was originally designed in the 1950s by Garrett AiResearch, and produced since 1999 by Honeywell Aerospace. The engine's power output ranges from . Design and developm ...
-3U-303 turboshaft and updated equipment. ;S-55QT: Commercial conversion. Ultra-quiet helicopter for sight-seeing flights over the Grand Canyon. ;OHA-S-55 Heli-Camper/Winnebago Heli-Home: Commercial conversions carried out by Orlando Helicopters; marketed by Winnebago. ;OHA-S-55 Nite-Writer: Commercial conversion. Aerial advertising helicopter, fitted with a 12.2-m x (40-ft x 8-ft) array of computer-controlled lights. ;OHA-S-55 Bearcat: Commercial conversion. Agricultural helicopter. ;OHA-S-55 Heavy Lift: Commercial conversion. Flying crane helicopter. ;QS-55 Aggressors: Commercial conversion. S-55 helicopters converted into flying targets. ;OHA-AT-55 Defender: Commercial conversion. Armed military helicopter. ;Whirlwind HAR21: HRS-2 for Royal Navy, ten delivered. ;Whirlwind HAS22: HO4S-3 for Royal Navy, 15 delivered. Later marks of
Whirlwind A whirlwind is a weather phenomenon in which a vortex of wind (a vertically oriented rotating column of air) forms due to instabilities and turbulence created by heating and flow (current) gradients. Whirlwinds occur all over the world and i ...
were built under licence. ;VAT Elite: Highly modified S-55 from Vertical Aircraft Technologies Inc., powered by a Garret TSE311 driving a 5-bladed rotor.


Operators


Notable accidents

* 17 January 1975 – In what remains the deadliest helicopter accident in Icelandic history, an S-55B crashed in Hvalfjörður, Iceland due to severe winds, killing all five passengers and both crewmembers on board.


Aircraft on display

See
Westland Whirlwind (helicopter) The Westland Whirlwind helicopter was a British licence-built version of the U.S. Sikorsky S-55/H-19 Chickasaw. It primarily served with the Royal Navy's Fleet Air Arm in anti-submarine and search and rescue roles. Design and development ...
for examples of the British license-built S-55. ;Argentina * H-04 – S-55 on display at the
Museo Nacional de Aeronáutica de Argentina The National Aeronautics Museum "Brigadier Edmundo Civati Bernasconi" ( es, Museo Nacional de Aeronáutica) is an Argentine museum located in the city of Morón, Buenos Aires. Established in 1960, the museum is dedicated to the history of aviati ...
in
Morón, Buenos Aires Morón () is a city in the Argentine province of Buenos Aires, capital of the Morón ''partido'', located in the Greater Buenos Aires metropolitan area, at . Located 20 km (13 mi) west of Downtown Buenos Aires, Morón is easily reac ...
. * 0371/55-633 – S-55 on display at the Museo de la Aviacion Naval in Bahia Blanca, Buenos Aires. ;Guatemala * S-55 on display in the traffic circle at the main gate of Air Force Headquarters, Aeropuerto Internacional La Aurora, Guatemala City. ;Canada * 55885 – HO4S-3 on static display at the
Shearwater Aviation Museum The Shearwater Aviation Museum is an aviation museum located at CFB Shearwater in Shearwater, Nova Scotia. The museum acquires, conserves, organizes, researches and interprets to Canadian Forces personnel and the public at large for their study, e ...
in Shearwater, Nova Scotia. It is painted in
Royal Canadian Navy The Royal Canadian Navy (RCN; french: Marine royale canadienne, ''MRC'') is the naval force of Canada. The RCN is one of three environmental commands within the Canadian Armed Forces. As of 2021, the RCN operates 12 frigates, four attack submar ...
Sqn. No. 7 colors as used by Anti-Submarine Squadron HS-50 and Utility Squadron HU-21. * 55822 Sikorsky S-55 Horse (H-19, HO4S) on static display at
The Hangar Flight Museum The Hangar Flight Museum, formerly known as the Aero Space Museum of Calgary is a museum located south of Calgary International Airport in Calgary, Alberta, Canada. History The museum was founded in 1975 as the Aero Space Museum Association of C ...
in
Calgary, Alberta Calgary ( ) is the largest city in the western Canadian province of Alberta and the largest metro area of the three Prairie Provinces. As of 2021, the city proper had a population of 1,306,784 and a metropolitan population of 1,481,806, makin ...
, was operated by Associated Airways in Canada's North. It is fitted with a 550 hp Pratt & Whitney Wasp R-1340-S1H2 engine. ;Denmark * S-884 – S-55C on static display at the
Danmarks Flymuseum The Danmarks Flymuseum is a museum located at Stauning Airport in Stauning, Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , su ...
in Skjern, Ringkøbing-Skjern. ;Germany * 53-4458 – H-19B on static display at the
Deutsches Museum The Deutsches Museum (''German Museum'', officially (English: ''German Museum of Masterpieces of Science and Technology'')) in Munich, Germany, is the world's largest museum of science and technology, with about 28,000 exhibited objects from ...
in
Munich, Bavaria Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the States of Germany, German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the List of cities in Germany by popu ...
. ;India * IZ1590 – S-55C on static display at the Indian Air Force Museum in Palam, Delhi. ;Israel * 03 – H-19 on static display at the
Israeli Air Force Museum The Israeli Air Force Museum is located at Hatzerim Airbase in the Negev desert. The museum was established in 1977 and has been open to the public since 1991. The museum displays a variety of Israeli Air Force and foreign aircraft, as well as a ...
in Hatzerim, South District. ;Japan * JG-0001 – H-19C on static display at the
Tokorozawa Aviation Museum The is a museum located in the city of Tokorozawa, Saitama dedicated to the history of aviation in Japan. It contains aircraft and other displays (many of which are interactive) and an IMAX theatre. Located on the site of Japan's first airfield w ...
in
Tokorozawa, Saitama is a city located in Saitama Prefecture, Japan. , the city had an estimated population of 344,194 in 163,675 households and a population density of 4800 persons per km². The total area of the city is . Geography Tokorozawa is located in the ...
. * 40012 – H-19C in storage at the
Kawaguchiko Motor Museum is a museum located in Yamanashi prefecture, Japan. Founded in 1981J-HangarSpace - ...
in
Narusawa, Yamanashi is a village located in Yamanashi Prefecture, Japan. , the village had an estimated population of 3,152 in 1257 households, and a population density of 32.6 persons per km². The total area of the village is . Geography Narusawa is located in ...
. ;Norway * 56-4279 – H-19 D-4 on static display at the
Norwegian Armed Forces Aircraft Collection Norwegian Armed Forces Aircraft Collection (''Forsvarets flysamling Gardermoen'') is a military aviation museum located at Gardermoen, north of Oslo in Viken county, Norway. The founding of the Norwegian Aviation Historical Society in 1967, gave t ...
in Gardermoen, Akershus. ;Portugal * 9101 – UH-19 at the Museu do Ar on Sintra Air Base near Lisbon. ;Serbia * 11714 – S-55 on static display at the Museum of Aviation in Surčin, Belgrade. ;Thailand * H3-3/97 – Type 3 on display at the
Royal Thai Air Force Museum The Royal Thai Air Force Museum is located in Don Mueang District, Bangkok, Thailand. It is located on the Phahonyothin Road just to the south of Wing 6 of the domestic terminal of the Don Mueang Airport. It was served by the Royal Thai Air Force ...
in Bangkok, Bangkok. ;Turkey * 52-7577 – UH-19B on static display at the Istanbul Aviation Museum in Istanbul, Istanbul. ;United States * Unknown ID – H-19 in storage at
Fantasy of Flight Fantasy of Flight is an aviation museum in Polk City, Florida. It opened in November 1995, to house Kermit Weeks' collection of aircraft that, until Hurricane Andrew damaged many in 1992, were housed at the Weeks Air Museum in Tamiami, Florid ...
in
Polk City, Florida Polk City is a city in Polk County, Florida, United States. The population was 1,562 at the 2010 census. As of 2018, the population recorded by the U.S. Census Bureau is 2,422. It is part of the Lakeland– Winter Haven Metropolitan Statistic ...
. * Unknown ID – UH-19F on static display at Kirtland Air Force Base in Albuquerque, New Mexico. * 130151 – CH-19E on static display at the
National Museum of Naval Aviation The National Naval Aviation Museum, formerly known as the National Museum of Naval Aviation and the Naval Aviation Museum, is a military and aerospace museum located at Naval Air Station Pensacola, Florida. Founded in 1962 and moved to its curr ...
in Pensacola, Florida. It is displayed in a US Coast Guard paint scheme. * 130252 – HRS-3 on static display at the
Flying Leatherneck Aviation Museum The Flying Leatherneck Aviation Museum is a United States Marine Corps aviation museum currently located at Marine Corps Air Station Miramar, San Diego, California. The museum contains exhibits and artifacts relating to the history and legacy of ...
in
San Diego, California San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United Stat ...
. It is painted with the unit markings of
HMR-161 Marine Medium Tiltrotor Squadron 161 (VMM-161) is a United States Marine Corps tiltrotor squadron that operates the MV-22 Osprey. The squadron, known as the "Greyhawks", is based at Marine Corps Air Station Miramar, California and falls under ...
. * 49-2012 – YH-19 on static display at the
Udvar-Hazy Center The Steven F. Udvar-Hazy Center, also called the Udvar-Hazy Center, is the Smithsonian National Air and Space Museum (NASM)'s annex at Washington Dulles International Airport in the Chantilly area of Fairfax County, Virginia. It holds numerous ...
of the National Air and Space Museum in
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. This airframe was the first S-55 built. * 52-7537 – UH-19B on static display at the
Pima Air and Space Museum The Pima Air & Space Museum, located in Tucson, Arizona, is one of the world's largest non-government funded aerospace museums. The museum features a display of nearly 300 aircraft spread out over 80 acres (320,000 m²) on a campus occ ...
in
Tucson, Arizona , "(at the) base of the black ill , nicknames = "The Old Pueblo", "Optics Valley", "America's biggest small town" , image_map = , mapsize = 260px , map_caption = Interactive map ...
. It is painted as a rescue helicopter with the
534th Air Defense Group The 534th Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 4706th Air Defense Wing at Kinross Air Force Base, Michigan where it was inactivated in 1955. The group was originally activated a ...
. * 52-7587 – UH-19 on static display at the
National Museum of the United States Air Force The National Museum of the United States Air Force (formerly the United States Air Force Museum) is the official museum of the United States Air Force located at Wright-Patterson Air Force Base, northeast of Dayton, Ohio. The NMUSAF is the ...
in
Dayton, Ohio Dayton () is the sixth-largest city in the U.S. state of Ohio and the county seat of Montgomery County. A small part of the city extends into Greene County. The 2020 U.S. census estimate put the city population at 137,644, while Greater D ...
. It is painted as ''Hopalong'', one of the helicopters to make the first transatlantic flight. * 52-7602 – H-19D on static display at the
Evergreen Aviation & Space Museum The Evergreen Aviation & Space Museum is an aviation museum in McMinnville, Oregon. Its exhibits include the Hughes H-4 Hercules (''Spruce Goose'') and more than fifty military and civilian aircraft, unmanned aerial vehicles (drones), and spac ...
in
McMinnville, Oregon McMinnville is the county seat of and largest city in Yamhill County, Oregon, United States. The city is named after McMinnville, Tennessee. As of the 2019 census, the city had a population estimate of 34,743. McMinnville is at the confluence of ...
. It is painted in U.S. Army scheme. * 53-4426 – H-19B on static display at the
Strategic Air Command & Aerospace Museum The Strategic Air Command & Aerospace Museum is a museum focusing on aircraft and nuclear missiles of the United States Air Force during the Cold War. It is located near Ashland, Nebraska, along Interstate 80 southwest of Omaha. The objective o ...
in
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. * 55-4943 – UH-19D on static display at the Estrella Warbird Museum in
Paso Robles, California Paso Robles ( ), officially El Paso de Robles (Spanish for "The Pass of Oaks"), is a city in San Luis Obispo County, California, United States. Located on the Salinas River approximately north of San Luis Obispo, the city is known for its hot ...
. This airframe had previously been on display at the
Museum of Flight The Museum of Flight is a private non-profit air and space museum in the Seattle metropolitan area. It is located at the southern end of King County International Airport (Boeing Field) in the city of Tukwila, immediately south of Seattle. ...
in
Seattle, Washington Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest region ...
. * 57-5937 – UH-19D on static display at the
Valiant Air Command Warbird Museum The Valiant Air Command, Inc. Warbird Museum (VAC) is located at the Space Coast Regional Airport in Brevard County, just south of Titusville, Florida. The VAC contains vintage aircraft and a hangar with a restoration area. The VAC also has a M ...
in
Titusville, Florida Titusville is a city in eastern Florida and the county seat of Brevard County, Florida, United States. The city's population was 43,761 as of the 2010 United States Census. Titusville is located along the Indian River, west of Merritt Island and ...
. It is painted in a USAF rescue scheme. It was previously on display at the
EAA AirVenture Museum The EAA Aviation Museum, formerly the EAA AirVenture Museum (or Air Adventure Museum), is a museum dedicated to the preservation and display of historic and experimental aircraft as well as antiques, classics, and warbirds. The museum is lo ...
in Oshkosh, Wisconsin. This aircraft is a former Winnebago Heli-Home. * 59-4973 – UH-19D on static display at the Camp San Luis Obispo Museum and Historical Site in San Luis Obispo, California. * 53221 – H-19 Chickasaw on static display at the
United States Army Aviation Museum The United States Army Aviation Museum is an aviation museum located on Fort Rucker near Daleville, Alabama. It has the largest collection of helicopters held by a museum in the world.Phillips 1992, p. 37.Purner 2004, p. 204. The museum feature ...
at Fort Rucker, Alabama.


Specifications (UH-19C)


Notable appearances in media


See also


References


Notes


Citations


Bibliography

*Duke, R.A., Helicopter Operations in Algeria rans. French Dept. of the Army (1959) * *France, Operations Research Group, ''Report of the Operations Research Mission on H-21 Helicopter'' Dept. of the Army (1957) *Harding, Stephen. ''U.S. Army Aircraft Since 1947'', Shrewsbury, UK: Airlife Publishing (1990). . *Riley, David, ''French Helicopter Operations in Algeria'', Marine Corps Gazette, February 1958, pp. 21–26. *Shrader, Charles R., ''The First Helicopter War: Logistics and Mobility in Algeria, 1954–1962'', Westport, Connecticut: Praeger Publishers (1999) * * *Spenser, Jay P., ''Whirlybirds: A History of the U.S. Helicopter Pioneers'', Seattle, Washington: University of Washington Press (1998)


Further reading

*


External links


H-19 US Army Aviation history fact sheetUSMC Sikorsky HRS (H-19) DatabaseHELIS.com Sikorsky S-55 (H-19/HRS/HO4S) Database
* {{Authority control United States military helicopters H-19, Sikorsky Search and rescue helicopters 1940s United States helicopters H-019 Single-engined piston helicopters Aircraft first flown in 1949