Advanced Unmanned Search System
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The Advanced Unmanned Search System (AUSS) was a submersible employed by the United States Navy constructed from a carbon-fiber reinforced plastic cylinder with titanium semi-spheres at the ends. The vessel measured 17 feet (5.2 m) in length, and was 31 inches (79 cm) wide.
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It was able to operate at depths of up to 20,000 feet (6,100 m), autonomously and untethered. Commands were send to the craft via sonar modem at a bitrate of 1,200 bits per second (bit/s), and the AUSS sent back data at rate of 4,800 bit/s. The controllers at the surface defined the targets and the search patterns, while the submersible executed the search patterns autonomously, without any realtime inputs.
Its silver-zinc batteries allowed an endurance of 10 hours, while recharging lasted 20 hours. The AUSS navigated with a gyrocompass and Doppler sonar.
See also
- The submersible at the center of the deadly 2023 accident was of a similar construction (CFRP cylinder with titanium end caps)
Sources
- "Advanced Unmanned Search System (AUSS)". Federation of American Scientists. 1999-11-25. Retrieved 2024-09-30.
Further reading
- Walton, J. M. (November 1992). "Advanced Unmanned Search System (AUSS): Search Demonstration Testing" (PDF). San Diego: Naval Command, Control and Ocean Surveillance Center.
- Walton, J. M. (December 1992). "Advanced Unmanned Search System (AUSS) At-Sea Development Test Report" (PDF). San Diego: Naval Command, Control and Ocean Surveillance Center.
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