Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-726 Register 143945 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143945 US Navy 1957-12-14 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, cn 58-726, ff:? del USN as HSS-1, 143945, 14Dec57 to HSS-1N (ASC 84), NS-55, unk damaged as UH-34J, 7E-313, NAS Oceana, 26Mar70 w/o 14Apr70. Send Updates Use APP to upload photo @ (optional) When Now? / / Send