Helicopter Sikorsky HO4S-2 Serial 55-099 Register N17377 1258 used by US Coast Guard USCG. Built 1952. Aircraft history and location Aircraft History 1258 US Coast Guard 1952-01-04Sikorsky S-55 c/n 55-099, ff:? del USCG as HO4S-2, 1258, 04Jan52. N17377 - ex 1258 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
