Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-597 Register 143897 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143897 US Navy 1957-08-07 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, c/n 58-597, ff? del USN as 143897, 07Aug57 to HSS-1N (ASC 84), unk xfer HU-2, Det 1, HE-63, unk damaged 06May64 soc Norfolk, VA, 12May64. HU-2 Send Updates Use APP to upload photo @ (optional) When Now? / / Send