Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-528 Register 143878 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143878 US Navy 1957-06-01 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, c/n 58-528, ff? del US Navy as HSS-1 143878, 01Jun57 to HSS-1N (ASC 84), unk status unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send