Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-632 Register 143908 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143908 US Navy 1957-09-03 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, c/n 58-632, ff? del USN as 143908, 03Sep57 to HSS-1N (ASC 84), unk to UH-34J, unk soc NARF Pensacola, 14Apr72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send