Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-559 Register 143883 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143883 US Navy 1957-07-17 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, c/n 58-558, ff? del US Navy as HSS-1 143882, 17Jul57 to HSS-1N (ASC 84), unk xfer VNAF, ??? w/o 18Aug60. Send Updates Use APP to upload photo @ (optional) When Now? / / Send