Helicopter Sikorsky HSS-1N / SH-34J Seabat Serial 58-1220 Register 147988 used by US Navy USN. Aircraft history and location Aircraft History 147988 US Navy 1962-10Sikorsky HSS-1N, c/n 58-1220, ff? del USN as HSS-1N, 147988 unk redesig UH-34J Oct62 soc NAS Jacksonville, 04feb72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send