Helicopter Sikorsky HRS-2 Serial 55-237 Register 130167 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130167 US Marine Corps 1952-09-05Sikorsky S-55 c/n 55-237, ff:? del USMC as HRS-2, 130167, 05Sep52 1952-10-27w/o 27oct52 Send Updates Use APP to upload photo @ (optional) When Now? / / Send