Helicopter Sikorsky HR2S-1 Serial 56-008 Register 138424 used by US Marine Corps USMC. Built 1956. Aircraft history and location Aircraft History 138424 US Marine Corps 1956-07-26Sikorsky S-56, c/n 56-008, ff:? del US Marine Corps as HR2S-1, 138424, 26Jul56 w/o unk. 1958-12-24 w/o 24dec58 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
