Helicopter Sikorsky HSS-1 / SH-34G Seabat Serial 58-246 Register 141592 used by US Navy USN. Built 1956. Aircraft history and location Aircraft History 141592 US Navy 1956-04-24 Sikorsky UH-34G Seabat Sikorsky HSS-1, c/n 58-246, ff? del US Navy as HSS-1, 141592, 24Apr56 redesig UH-34G, Oct62 w/o RDT&E Point Mugu, 24Feb70. Send Updates Use APP to upload photo @ (optional) When Now? / / Send