ASV Global and TerraSond Complete Survey Using Autonomous Surface Vehicle

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ASV Global and TerraSond recently completed a milestone hydrographic survey in the Bering Sea, using an autonomous surface vehicle and other unique tools and technologies.




Combining ASV’s C-Worker 5 and TerraSond’s Q105 survey ship, the two companies collaborated to complete a 5,172-nautical-mile hydrographic survey, which took place over the course of 36 days. The C-Worker 5 was controlled using ASV Global’s ASView control system from a control station on the Q105 vessel. The control system drew upon survey lines from the TerraSond planning system to autonomously complete the survey using minimal human interaction.




Nearly half of the miles completed during the survey were done with the C-Worker acting as a force multiplier and running parallel survey lines with the Q105. In addition to that, both systems ran multibeam sonars and simultaneously towed side-scan sonars.




The successful completion of the survey is something that has both companies very excited about their respective technologies.




“The C-Worker 5 has proven itself as a reliable, weather-resistant solution to increasing survey efficiency,” says Thomas Chance, chairman of ASV Global. “The ASV covered up to 130 [nautical miles] per day, doubling the coverage of the Q105 survey vessel. In addition to this, the C-Worker 5 was able to survey shallow waters that the Q105 was not able to reach.”




TerraSond President Thomas Newman added, “I have been involved with hydrographic surveys for more than 30 years, and I can say that the production improvements due to ASV Global’s unmanned force multiplier were nothing less than astounding. Using the C-Worker 5 system alongside our survey vessel, we were able to reduce our overall time on site by more than 25 days.”





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