Helicopter Sikorsky HR2S-1 Serial 56-102 Register 145866 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145866 US Marine Corps 1958-10-13Sikorsky S-56, c/n 56-102, ff:? del USMC as HR2S-1, 145866, 13Oct58 wfu & soc unk. 1968-05-20soc 20may68 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
