Sikorsky HO4S-3

C/N 55-556

Built 1953





Helicopter Sikorsky HO4S-3 Serial 55-556 Register 138509 used by US Navy USN. Built 1953. Aircraft history and location





Aircraft History





138509

usa US Navy

1953-10-22Sikorsky S-55 c/n 55-556, ff:?
del USN as HO4S-3, 138509, 22Oct53.




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