Helicopter Sikorsky HRS-2 Serial 55-318 Register 130205 used by US Navy USN ,US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130205 US Marine Corps 1952-12-09Sikorsky S-55 c/n 55-318, ff:? del USMC as HRS-2, 130205, 09Dec52 1956-04-24 Sikorsky HRS-3 24apr56 1958-02-12 w/o 12feb58 USS Neptune US Navy 1958-02-12w/o 12feb58 Send Updates Use APP to upload photo @ (optional) When Now? / / Send