Sikorsky H-19

General Data
First Flown:	11-10-1949	Length:	62 ft 7 in
Lift Capability:		Height:	13 ft 4 in
Range:	405 miles	Rotor Span:	53 ft
Top Speed:	101 mph	Empty Weight:	4,795 lb
Service Ceiling:	10,500 ft	Max Gross Weight:	at take off ~7,900 lb
Engines:	1 × Pratt & Whitney R-1340-57 radial engine, 600 hp (450 kW)
Armament:	N/A
Accommodations:	2 Crea, 12 troops/8 litters	Cargo:
Operators:	Worldwide

Similar Aircraft:	Westland Whirlwind, H-34 Choctaw
Other Names:	Chickasaw, S-55, See variants list.


Notes
No longer in production by Sikorsky. >1,000 were built, ~550 were built under license by Westland and others. 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, redeisgnated UH-19A in 1962, 50 built. SH-19A H-19As modified for air-sea rescue, 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, 10 built. HO4S-2 Project for rescue version for the United States Coast Guard, not built. HO4S-3 Re-engined US Navy & Canadian version with 700 hp, (522 kW) Wright R-1300 engine, redesignated UH-19F (American variant) H04S-3 (Canadian variant) in 1962, 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, 60 built. HRS-2 HRS-1 with equipment changes, 101 built. HRS-3 HRS-2 with a 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-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-331-3U-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 Commercial conversions carried out by Orlando Helicopters. 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 H04S-3 for Royal Navy, 15 delivered.

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Sikorsky H-19

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