Helicopter Sikorsky HR2S-1 Serial 56-114 Register 145872 used by US Marine Corps USMC. Built 1959. Aircraft history and location Aircraft History 145872 US Marine Corps 1959-02-06Sikorsky S-56, c/n 56-114, ff:? del USMC as HR2S-1, 145872, 06Feb59 wfu & soc unk. 1968-04-30soc 30apr68 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
