Helicopter Sikorsky HR2S-1 Serial 56-035 Register 141606 used by US Marine Corps USMC. Built 1957. Aircraft history and location Aircraft History 141606 US Marine Corps 1957-07-26Sikorsky S-56, c/n 56-035, ff:? del USMC as HR2S-1, 141606, 26Jul57 wfu & soc unk. 1968-05-20soc 20may68 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
