Helicopter Sikorsky HRS-3 Serial 55-427 Register 130260 used by US Marine Corps USMC. Built 1953. Aircraft history and location Aircraft History 130260 US Marine Corps 1953-05-01Sikorsky S-55 c/n 55-427, ff:? del USMC as HRS-3, 130260, 01May53. Send Updates Use APP to upload photo @ (optional) When Now? / / Send