Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-768 Register 143960 used by US Navy USN. Built 1958. Aircraft history and location Aircraft History 143960 US Navy 1958-02-03 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, cn 58-768, ff:? del USN as HSS-1, 143960, 03Feb58 to HSS-1N (ASC 84), unk status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send