Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-723 Register 143942 used by US Navy USN. Built 1957. Aircraft history and location Aircraft History 143942 US Navy 1957-12-06 Sikorsky HSS-1N / SH-34J Seabat Sikorsky HSS-1, cn 58-723, ff:? del USN as HSS-1, 143942, 06Dec57 to HSS-1N (ASC 84), unk damaged NAVSTA Keflavik, 01May65 soc 08May65. Send Updates Use APP to upload photo @ (optional) When Now? / / Send