Sikorsky HO4S-3

1952

Re-engined US Navy & Canadian version with 700HP Wright R-1300 Cyclone engine. Redesignated UH-19F (American variant) & HO4S-3 (Canadian & Dutch variants) in 1962. 103 built: including 61 for USN, 3 for Dutch MLD, 15 for UK RN as Whirlwind HAS.22, 10 for RCN, & 14 for USCG.

HO4S-3: 133844 - 133853, contract NOa(s) 42-471 (MDAP) cancelled, airframes not built.

HO4S-3: 138432 - 138459, contract cancelled, airframes not built.

Airframes (105)

C/N	Model	Built	Reg
55-528	ho4s-3	1953	138499
55-529	ho4s-3	1953	138500
55-530	ho4s-3	1953	138501
55-531	ho4s-3	1953	138502
55-548	ho4s-3	1951	1304 N603X
55-549	ho4s-3	1953	1305 N17378
55-550	ho4s-3	1953	138503
55-551	ho4s-3	1953	138504
55-552	ho4s-3	1953	138505
55-553	ho4s-3	1953	138506
55-554	ho4s-3	1953	138507
55-555	ho4s-3	1953	138508
55-556	ho4s-3	1953	138509
55-557	ho4s-3	1953	138510
55-562	h-19b	1953	150193	w/o 1965
55-576	ho4s-3	1953	138511
55-577	ho4s-3	1953	138512
55-578	ho4s-3	1953	138513
55-579	ho4s-3	1953	138514 N68397
55-580	ho4s-3	1953	138515
55-581	ho4s-3	1953	138516
55-582	ho4s-3	1953	138577
55-583	ho4s-3	1953	138578
55-602	ho4s-3	1953	138517
55-603	ho4s-3	1953	138518
55-604	ho4s-3	1953	138519
55-605	ho4s-3	1953	138520
55-606	ho4s-3	1953	138521
55-607	ho4s-3	1953	138522
55-608	ho4s-3	1953	138523

‹123 4 ›

Operators

1951-1957	US Navy S-55 H-19
1951-1966	US Coast Guard S-55 H-19
1952-1968	Royal Canadian Navy (1945-1968) S-55 H-19
1952-1962	Fleet Air Arm S-55 H-19
1953-1963	Marine Luchtvaartdienst S-55 H-19
1956-1968	Suid-Afrikaanse Lugmag S-55 H-19
1971-	Aviodome