Helicopter Sikorsky HO4S-3G Serial 55-1111 Register 1324 used by US Coast Guard USCG. Built 1957. Aircraft history and location Aircraft History 1324 US Coast Guard 1957-08-30Sikorsky S-55 c/n 55-1111, ff:? del USCG as HO4S-3G, 1324, 30Aug57. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
