Helicopter Sikorsky HRS-2 Serial 55-256 Register 130173 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130173 US Marine Corps 1952-10-07Sikorsky S-55 c/n 55-256, ff:? del USMC as HRS-2, 130173, 07Oct52 Sikorsky HRS-3 w/o 09may60 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
