Sikorsky HRS-3

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

Airframes (159)

C/N	Model	Built	Reg
55-402	hrs-3	1953	130246
55-403	hrs-3	1953	130247
55-404	hrs-3	1953	130248
55-405	hrs-3	1953	130249
55-406	hrs-3	1953	130250
55-407	hrs-3	1953	130251
55-408	hrs-3	1953	130252 130252
55-409	hrs-3	1953	130253
55-410	hrs-3	1953	130254
55-422	hrs-3	1953	130255
55-423	hrs-3	1953	130256
55-424	hrs-3	1953	130257
55-425	hrs-3	1953	130258
55-426	hrs-3	1953	130259
55-427	hrs-3	1953	130260
55-428	hrs-3	1953	130261
55-429	hrs-3	1953	130262
55-430	hrs-3	1953	130263
55-431	hrs-3	1953	130264
55-432	hrs-3	1953	137836
55-435	hrs-3	1953	137837
55-447	hrs-3	1953	137838
55-448	hrs-3	1953	137839
55-449	hrs-3	1953	137840
55-450	hrs-3	1953	137841
55-451	hrs-3	1953	137842
55-452	hrs-3	1953	137843
55-453	hrs-3	1953	137844
55-454	hrs-3	1953	137845
55-919	hrs-3	1956	144244

Operators

1951-1957	US Navy S-55 H-19
1951-1967	US Air Force S-55 H-19
1951-1966	US Coast Guard S-55 H-19
1951-1960	US Marine Corps 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