Helicopter Sikorsky HRS-2 Serial 55-235 Register 130165 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130165 US Marine Corps 1952-09-05Sikorsky S-55 c/n 55-235, ff:? del USMC as HRS-2, 130165, 05Sep52 Sikorsky HRS-3 02feb55 soc Send Updates Use APP to upload photo @ (optional) When Now? / / Send