Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-598 Register 143898 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143898 US Navy 1957-07-31 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, c/n 58-598, ff? del USN as 143898, 31Jul57 to HSS-1N (ASC 84), unk to UH-34J soc NARF Pensacola, FL, 16Feb72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send