Helicopter Sikorsky HRS-1 Serial 55-060 Register 127824 used by US Marine Corps USMC. Built 1951. Aircraft history and location Aircraft History 127824 US Marine Corps 1951-09-26Sikorsky S-55 c/n 55-060, ff:? del USMC as HRS-1, 127824, 26Sep51 1952-01-01 w/o 01jan52 at Patuxent River, own rocket hit cockpit Send Updates Use APP to upload photo @ (optional) When Now? / / Send
