Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-678 Register 143928 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143928 US Navy 1957-10-21 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, cn 58-678, ff:? del USN as HSS-1, 143928, 21Oct57 to HSS-1N (ASC 84), unk status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send