Helicopter Sikorsky HR2S-1 Serial 56-076 Register 145855 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145855 US Marine Corps 1958-04-10Sikorsky S-56, c/n 56-076, ff:? del USMC as HR2S-1, 145855, 10Apr58 wfu & soc unk. 1966-09-30soc 30sep66 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
