Helicopter Sikorsky HR2S-1 Serial 56-091 Register 145859 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145859 US Marine Corps 1958-06-28Sikorsky S-56, c/n 56-091, ff:? del USMC as HR2S-1, 145859, 28Jun58 wfu & soc unk. 1966-09-30soc 30sep66 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
