Helicopter Sikorsky HRS-2 Serial 55-239 Register 130169 used by US Navy USN ,US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130169 US Marine Corps 1952-09-05Sikorsky S-55 c/n 55-239, ff:? del USMC as HRS-2, 130169, 05Sep52 w/o US Navy 1953-07-17w/o 17jul53 Send Updates Use APP to upload photo @ (optional) When Now? / / Send