Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-229 Register 141583 used by US Navy USN. Built 1956. Aircraft history and location Aircraft History 141583 US Navy 1956-03-26Sikorsky HSS-1, c/n 58-229, ff? del US Navy as HSS-1, 141583, 26Mar56 redesig SH-34G, Oct62 w/o with HS-4 aboard USS Yorktown, 08May63. HS-4 Send Updates Use APP to upload photo @ (optional) When Now? / / Send