Helicopter Sikorsky HRS-2 Serial 55-264 Register 130181 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130181 US Marine Corps 1952-10-18Sikorsky S-55 c/n 55-264, ff:? del USMC as HRS-2, 130181, 18Oct52 Sikorsky HRS-3 w/o 07aug63 Send Updates Use APP to upload photo @ (optional) When Now? / / Send