Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-699 Register 143935 used by US Navy USN. Built 1958. Aircraft history and location Aircraft History 143935 US Navy 1958-01-06 Sikorsky HSS-1N / SH-34J Seabat del USN as HSS-1, 143935, 06Jan58 to HSS-1N (ASC 84), unk soc as UH-34J, NAVSTA Rota, 12Jan72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send