Helicopter Sikorsky XHR2S-1 Serial 56-2X Register 133732 used by US Marine Corps USMC. Built 1953. Aircraft history and location Aircraft History 133732 US Marine Corps 1953-10-30Sikorsky S-56, cn 56-2X, ff:18Dec53 del NPRO as XHR2S-1, 133732, 30Oct53 xfer HMX-1, MCAS Quantico, VA, 1954 scr unk. HMX-1 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
