Helicopter Sikorsky HRS-1 Serial 55-032 Register 127798 used by US Marine Corps USMC. Built 1951. Aircraft history and location Aircraft History 127798 US Marine Corps 1951-06-02Sikorsky S-55 c/n 55-032, ff:? del USMC as HRS-1, 127798, 02Jun51 1953-02-12 12feb53 ditched Pusan, Korea Send Updates Use APP to upload photo @ (optional) When Now? / / Send
