Helicopter Sikorsky HO4S-3G Serial 55-1135 Register 1329 used by US Coast Guard USCG. Built 1957. Aircraft history and location Aircraft History 1329 US Coast Guard 1957-11-29Sikorsky S-55 c/n 55-1135, ff:? del USCG as HO4S-3G, 1329, 29Nov57. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
