Helicopter Sikorsky HO5S-1 Serial 52-036 Register N74816 128606 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 128606 US Marine Corps 1952-07-31Sikorsky S-52-3, c/n 52-036, ff:? acc BuAerRep (BAR) East Hartford, CT, 31Jul52 del USMC as HO5S-1, 128606, 05Aug52. 1956-07-24soc 24jul56 N74816 - Sikorsky S-52-3 wfu & reg US as S-52-3, N74816, unk w/o unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
