Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-144 Register 138465 used by US Navy USN. Built 1955. Aircraft history and location Aircraft History 138465 US Navy 1955-12-05 Sikorsky UH-34G Seabat Sikorsky HSS-1, c/n 58-144, ff? del US Navy as HSS-1 138465, 05Dec55 redesig UH-34G, Oct62 soc NARF North Island, 06Apr67. Send Updates Use APP to upload photo @ (optional) When Now? / / Send