Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-255 Register 141597 used by US Navy USN. Built 1956. Aircraft history and location Aircraft History 141597 US Navy 1956-05-08Sikorsky HSS-1, c/n 58-255, ff? del US Navy as HSS-1, 141597, 08May56 w/o HS-6, NAS North Island, CA, 08Dec60. Send Updates Use APP to upload photo @ (optional) When Now? / / Send