Helicopter Sikorsky HO5S-1 Serial 52-015 Register 125522 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 125522 US Marine Corps 1952-03-31Sikorsky S-52-3, c/n 52-015, ff:? acc BuAerRep (BAR) East Hartford, CT, 31Mar52 del USMC as HO5S-1, 125522, 10Apr52. 1956-09soc sep56 soc sep56 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
