Helicopter Sikorsky HRS-2 Serial 55-185 Register 130142 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130142 US Marine Corps 1952-07-21Sikorsky S-55 c/n 55-185, ff:? del USMC as HRS-2, 130142, 21Jul52 Sikorsky HRS-3 07apr55 1963-11-13 w/o 13nov63 Send Updates Use APP to upload photo @ (optional) When Now? / / Send