Helicopter Sikorsky HRS-3 Serial 55-407 Register 130251 used by US Marine Corps USMC. Built 1953. Aircraft history and location Aircraft History 130251 US Marine Corps 1953-04-15Sikorsky S-55 c/n 55-407, ff:? del USMC as HRS-3, 130251, 15Apr53. Send Updates Use APP to upload photo @ (optional) When Now? / / Send