Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-760 Register 143956 used by US Navy USN. Built 1958. Aircraft history and location Aircraft History 143956 US Navy 1958-01-09Sikorsky HSS-1, cn 58-760, ff:? del USN as HSS-1, 143956, 09Jan58 to HSS-1N (ASC 84), unk status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send