Sikorsky S-55 H-19

Sikorsky HRS-3

1953

Factory at Stratford

Improved HRS-2 with a 700HP Wright R-1300-3 Cyclone engine. Redesignated CH-19E in 1962. 91 built and conversions from HRS-2.

blueprints HRS-3

Airframes (159)

C/N	Model	Built	Reg
55-920	hrs-3	1956	144245
55-921	hrs-3	1956	144246
55-929	hrs-3	1956	144247
55-930	hrs-3	1956	144248
55-931	hrs-3	1956	144249
55-938	hrs-3	1956	144250
55-949	hrs-3	1956	144251
55-989	hrs-3	1956	144252
55-990	hrs-3	1956	144253

Operators

1951-1966	US Coast Guard S-55 H-19
1951-1960	US Marine Corps S-55 H-19
1951-1967	US Air Force S-55 H-19
1951-1957	US Navy S-55 H-19
1953-??	Armée de l'Air S-55 H-19
1955-1976	Arma Aérea de la Armada Española S-55 H-19
1961-1974	Không lực Việt Nam Cộng hòa