Helicopter Sikorsky HR2S-1 Serial 56-055 Register 141610 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 141610 US Marine Corps 1958-02-12Sikorsky S-56, c/n 56-054, ff:? del USMC as HR2S-1, 141610, 12Feb58 wfu & stor MASDC unk to US register as N7382, unk. 1968-04-30soc 30apr68 Send Updates Use APP to upload photo @ (optional) When Now? / / Send