Helicopter Sikorsky HRS-3 Serial 55-431 Register 130264 used by US Marine Corps USMC. Built 1953. Aircraft history and location Aircraft History 130264 US Marine Corps 1953-05-12Sikorsky S-55 c/n 55-431, ff:? del USMC as HRS-3, 130264, 12May53. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
