Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-655 Register 143917 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143917 US Navy 1957-10-04 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, c/n 58-655, ff? del USN as 143917, 04Oct57 to HSS-1N (ASC 84), unk soc as UH-34J, NT-10, NARF Pensacola, 27May69. Send Updates Use APP to upload photo @ (optional) When Now? / / Send