Helicopter Sikorsky HRS-3 Serial 55-377 Register 130235 used by US Marine Corps USMC. Built 1953. Aircraft history and location Aircraft History 130235 US Marine Corps 1953-03-09Sikorsky S-55 c/n 55-377, ff:? del USMC as HRS-3, 130235, 09Mar53. Send Updates Use APP to upload photo @ (optional) When Now? / / Send