Helicopter Sikorsky HRS-2 Serial 55-147 Register 129040 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 129040 US Marine Corps 1952-05-06Sikorsky S-55 c/n 55-147, ff:? del USMC as HRS-2, 129040, 06May52 Sikorsky HRS-3 04apr55 1961-05-31 soc 31may61 Memphis Send Updates Use APP to upload photo @ (optional) When Now? / / Send
