Helicopter Sikorsky HRS-1 Serial 55-030 Register 127796 used by US Marine Corps USMC. Built 1951. Aircraft history and location Aircraft History 127796 US Marine Corps 1951-06-02Sikorsky S-55 c/n 55-030, ff:? del USMC as HRS-1, 127796, 02Jun51 1953-12-01 w/o 01dec53 in Korea Send Updates Use APP to upload photo @ (optional) When Now? / / Send
