Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-751 Register 143951 used by US Navy USN. Built 1958. Aircraft history and location Aircraft History 143951 US Navy 1958-01-09 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, cn 58-751, ff:? del USN as HSS-1, 143951, 09Jan58 to HSS-1N (ASC 84), unk status unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send