Sikorsky HO4S-1

1950

US Navy version of the S-55 powered by a 600hp P&W R-1340-57 Wasp engine. Redesignated UH-19F in 1962, 10 built under contract: NOa(s) 12024.

Airframes (10)

C/N	Model	Built	Reg
55-006	ho4s-1	1950	125506
55-007	ho4s-1	1950	125507
55-008	ho4s-1	1950	125508	w/o 1951
55-009	ho4s-1	1950	125509 5509	w/o 1961
55-010	ho4s-1	1950	125510
55-011	ho4s-1	1950	125511
55-012	ho4s-1	1951	125512 N9006R
55-013	ho4s-1	1951	125513 N9756Z
55-014	ho4s-1	1951	125514	w/o 1951
55-015	ho4s-1	1951	125515

Operators

1951-1957	US Navy S-55 H-19
1951-1966	US Coast Guard S-55 H-19