Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-569 Register 143889 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143889 US Navy 1957-07-22 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, c/n 58-569, ff? del USN as 143889, 22Jul57 coded HE-9, unk to HSS-1N (ASC 84), unk status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send