Sikorsky HO4S-3

C/N 55-721

Built 1954





Helicopter Sikorsky HO4S-3 Serial 55-721 Register 138598 used by US Navy USN. Built 1954. Aircraft history and location





Aircraft History





138598

usa US Navy

1954-05-26Sikorsky S-55 c/n 55-721, ff:?
del USN as HO4S-3, 138598, 26May54.




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