Helicopter Sikorsky HRS-2 Serial 55-117 Register 129029 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 129029 US Marine Corps 1952-04-01Sikorsky S-55 c/n 55-117, ff:? del USMC as HRS-2, 129029, 01Apr52 1955-08-25 Sikorsky HRS-3 25aug55 1969-12-01 soc 01dec69 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
