Sikorsky H-19 Chickasaw

H-19Sikorsky H-19Sikorsky HO4S-3Sikorsky S-55S-55Sikorsky H-19C ChickasawSikorsky H04SSikorsky HO4SHRS-1Sikorsky UH-19
The Sikorsky H-19 Chickasaw (company model number S-55) was a multi-purpose helicopter used by the United States Army and United States Air Force.wikipedia
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Westland Whirlwind (helicopter)

Westland WhirlwindWhirlwindWestland Whirlwind HAR.10
It was also license-built by Westland Aircraft as the Westland Whirlwind in the United Kingdom.
The Westland Whirlwind helicopter was a British licence-built version of the U.S. Sikorsky S-55/H-19 Chickasaw.

Westland Aircraft

WestlandWestland Aircraft CompanyWestland Aircraft Works
It was also license-built by Westland Aircraft as the Westland Whirlwind in the United Kingdom.
Success with the Dragonfly was repeated with the Sikorsky S-55 which became the Whirlwind, and a re-engined Sikorsky S-58 in both turboshaft and turbine engine powered designs as the Wessex.

Sikorsky H-34

H-34Sikorsky S-58Sikorsky S-58T
In 1956, the French Air Force experimented with arming the H-19, then being superseded in service by the more capable Piasecki H-21 and Sikorsky H-34 helicopters.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 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.

Piasecki H-21

H-21CH-21CH-21 Shawnee
In 1956, the French Air Force experimented with arming the H-19, then being superseded in service by the more capable Piasecki H-21 and Sikorsky H-34 helicopters.
In 1956, seeking a way to use helicopters in a ground-attack role in the Algerian War, the French Air Force and French Army Aviation (Aviation Légère de l'Armée de Terre) experimented with arming the Sikorsky S-55, then being superseded in service by the more capable Piasecki H-21 and Sikorsky H-34 helicopters.

Sikorsky H-5

Sikorsky HO3S-1HO3S-1Sikorsky S-51
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.
It was eventually replaced in most roles by the H-19 Chickasaw.

Korean War

KoreaKoreanthe Korean War
A U.S. Air Force YH-19 was sent to Korea for service trials in March 1951, where it was joined by a second YH-19 in September 1951.
In 1944–1945, during the Second World War, the YR-4 helicopter saw limited ambulance duty, but in Korea, where rough terrain trumped the jeep as a speedy medevac vehicle, helicopters like the Sikorsky H-19 helped reduce fatal casualties to a dramatic degree when combined with complementary medical innovations such as Mobile Army Surgical Hospitals.

Wright R-1300 Cyclone 7

Wright R-1300-3Wright R-1300-3 Cyclone 7
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 engine was used in combat — the R-1300-1A and -1B in the A model North American T-28 Trojan and the R-1300-3, -3A, -3C and -3D in the Sikorsky H-19 Chickasaw.

Pratt & Whitney R-1340 Wasp

R-1340 WaspPratt & Whitney WaspR-1340
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 that automatically engaged the main rotor when a preset engine speed was reached.
As well as numerous types of fixed-wing aircraft, it was used to power helicopters, the Agusta-Bell AB.102 and the Sikorsky H-19, and a class of airship, the K-class blimp.

Sabena

Sabena AirlinesBelgian airlinesSabena (OO-SFA)
On 1 September 1953, Sabena used the S-55 to inaugurate the first commercial helicopter service in Europe, with routes between Rotterdam and Maastricht in the Netherlands and Cologne and Bonn in Germany.
Sikorsky S-55 1953-1956

Museu do Ar

Air MuseumAir Force's museum
9101 - UH-19 at the Museu do Ar on Sintra Air Base near Lisbon.
Sikorsky UH-19 (s/n 9101)

Tokorozawa Aviation Museum

TokorozawaTokorozawa AirfieldTokorozawa Aviation Memorial Hall
JG-0001 – H-19C on static display at the Tokorozawa Aviation Museum in Tokorozawa, Saitama.
JG-0001 Sikorsky H-19C Chickasaw

Museo Nacional de Aeronáutica de Argentina

Museo Nacional de AeronáuticaNational Aeronautics MuseumMuseo Nacional de Aeronautica
H-04 – S-55 on display at the Museo Nacional de Aeronáutica de Argentina in Morón, Buenos Aires.
Sikorsky S-55 helicopter

Museum of Aviation, Belgrade

Museum of AviationBelgrade Museum of AviationAviation Museum - Belgrade
11714 – S-55 on static display at the Museum of Aviation in Surčin, Belgrade.

Air-sea rescue

air sea rescuesea-air rescueASR
SH-19A: H-19As modified for air-sea rescue, redesignated HH-19A in 1962.
Other air-sea rescue aircraft used in the Sea of Japan and the Yellow Sea include the PB-1G land-based maritime patrol bomber and the Sikorsky H-5 helicopter, and later the H-19.

Israeli Air Force Museum

IAF museummuseum
03 – H-19 on static display at the Israeli Air Force Museum in Hatzerim, South District.
Sikorsky S-55 - #03

Indian Air Force Museum, Palam

Indian Air Force MuseumAir Force MuseumDelhi
IZ1590 – S-55C on static display at the Indian Air Force Museum in Palam, Delhi.
Sikorsky S55C IZ-1590

Kawaguchiko Motor Museum / Fighter Museum

40012 – H-19C in storage at the Kawaguchiko Motor Museum in Narusawa, Yamanashi.
51-5639 Sikorsky H-19C Chickasaw (Japan Ground Self-Defence Force)

Shearwater Aviation Museum

55885 – HO4S-3 on static display at the Shearwater Aviation Museum in Shearwater, Nova Scotia. It is painted in Royal Canadian Navy Sqn. No. 7 colors as used by Anti-Submarine Squadron HS-50 and Utility Squadron HU-21.
Sikorsky HO4S-3

Estrella Warbird Museum

Estrella War Birds Museum
55-4943 – UH-19D on static display at the Estrella Warbird Museum in Paso Robles, California. This airframe had previously been on display at the Museum of Flight in Seattle, Washington.
Sikorsky UH-19D Chickasaw

Flying Leatherneck Aviation Museum

130252 – HRS-3 on static display at the Flying Leatherneck Aviation Museum in San Diego, California. It is painted with the unit markings of HMR-161.
Sikorsky HRS-3 Chickasaw 130252

Fantasy of Flight

Flight Research CenterWeeks Air Museum
Unknown ID – H-19 in storage at Fantasy of Flight in Polk City, Florida.
Sikorsky S-55 – N111VA

Norwegian Armed Forces Aircraft Collection

Forsvarets flysamling Gardermoen
56-4279 – H-19 D-4 on static display at the Norwegian Armed Forces Aircraft Collection in Gardermoen, Akershus.
Sikorsky H-19D-4 Chickasaw. In service from 1958 to 1967.

Valiant Air Command Warbird Museum

Valiant Air commandValiant Air Command air museum
57-5937 – UH-19D on static display at the Valiant Air Command Warbird Museum in Titusville, Florida. It is painted in a USAF rescue scheme. It was previously on display at the EAA AirVenture Museum in Oshkosh, Wisconsin.
Sikorsky H-19 Chickasaw

Helicopter

helicoptersrotorcraftchopper
The Sikorsky H-19 Chickasaw (company model number S-55) was a multi-purpose helicopter used by the United States Army and United States Air Force.