Helicopter Sikorsky HSS-1N / SH-34J Seabat Serial 58-909 Register 145676 used by US Navy USN. Aircraft history and location Aircraft History 145676 US Navy 1962-10Sikorsky HSS-1N, cn 58-909, ff:? del USN as HSS-1N, 145676, unk redesig SH-34J, Oct62 soc MCAS Santa Ana, 02jul72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send