Helicopter Sikorsky HO4S-1 Serial 55-009 Register 5509 125509 used by US Coast Guard USCG ,US Navy USN. Built 1950. Aircraft history and location Aircraft History 125509 US Navy 1950-12-29Sikorsky S-55 c/n 55-009, ff:? acc BuAerRep (BAR) East Hartford, CT, 29Dec50 del USN as HO4S-1, 125509, 05Jan51 soc 7dec51 For 5509 see also 1992 as555an 5509 5509 US Coast Guard 1961-06-29 USCG ex 125509 w/o 29jun61 MA all killed Send Updates Use APP to upload photo @ (optional) When Now? / / Send
