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Home arrow News arrow Measurement & Positioning arrow ASV Global and TerraSond Announce First Ever USV-Supported Cable Route Survey   The American Surveyor     

ASV Global and TerraSond Announce First Ever USV-Supported Cable Route Survey Print E-mail
Written by ASV Global and TerraSond   
Tuesday, 10 October 2017

Broussard, LA, October 10 2017, ASV Global and TerraSond are pleased to announce the completion of the first ever seabed cable route survey supported by an unmanned surface vehicle (USV). The survey route included various water depths and strong currents, while facing difficult wind and sea conditions in the Bering Sea offshore Alaska. The project was mobilized immediately following a 9,000km nautical charting survey by Terrasond, of which 4,750km (53 percent) was executed by an ASV Global C-Worker 5 autonomous surface vehicle (ASV). The cable route survey required a new payload including a hull mounted multibeam sonar, a sub-bottom profiler, and a towed sidescan sonar with 250m of armored sonar cable. The payload swap on the ASV was integrated, calibrated, and demonstrated in the field in less than 48 hours. A total of 1,220 km of cable route survey lines was then successfully executed by the ASV C-Worker 5 system.

Thomas Chance, CEO of ASV Global stated: “This is a landmark achievement for ASV technology, and we are pleased to be supporting TerraSond in this effort. The fast re-tasking of the system from one type of mission to another illustrates the flexibility of the C-Worker ASV, and its consistent performance in difficult sea conditions further underscores the value of this highly efficient approach to offshore operations.”

Throughout the operation the C-Worker 5 was remotely monitored using ASV Global’s ASView™ control system from a station on TerraSond’s mother ship. ASView™ used exported .dxf survey lines from the TerraSond survey planning system to autonomously execute an accurate survey with minimal human intervention.

ASV Global has supported TerraSond for three consecutive years refining the use of autonomous systems in hydrographic survey applications. This year’s deployments follow on from a 2016 charting survey completed in the Bering Sea, off Alaska where ASV Global and TerraSond marked an industry first by completing a 9,578km hydrographic survey, 4,213km of which were completed unmanned. Combined, these operations result in over 10,000km in unmanned survey lines.

Tom Newman, President of TerraSond expressed his satisfaction, “We continue to be impressed after several projects with ASV’s C-Worker 5 in a variety of missions. Together with ASV we have performed the first use in charting, first use in the arctic, first use for a cable route survey and first to accumulate over 10,000km in use. ASV’s team has risen to each challenge and the system has proved to be a reliable and cost effective force multiplier, often doubling our production, operating in areas unsafe for a larger vessel and allowing multitasking on projects.”

ASV Global is a world leader in autonomous marine technology. ASV Global has produced more than 90 USVs and developed more than 40 different payload packages. Products are available for lease and purchase alongside comprehensive support and training packages. The company has also converted numerous existing vessels to operate autonomously using it’s proven ASView™ control system. With offices in the US, UK and South America, ASV Global’s 100+ employees support commercial, scientific, and military clients across the globe.

About TerraSond
TerraSond, an experienced multidisciplinary organization, remains one of the few truly independent, agile, client-focused survey companies. The company delivers innovative, reliable geospatial solutions with a strong company-wide culture in HSE/Q. TerraSond’s mission is to collect, compile, and identify geospatial and geophysical information that provides the best possible solution offering the lowest risk for its clients. Local around the globe, TerraSond excels at executing remote and challenging surveys. The company has successfully completed thousands of surveys in over 22 countries around the world for over 330 clients. These range from inland surveys to deep ocean seabed exploration and mapping projects.

About the C-Worker 5
The C-Worker 5™ is the ideal platform to support hydrographic survey work. Designed as a force multiplier to enable increased coverage and minimize weather risk through reduced survey duration. C-Worker 5™ is reliable through simplicity, utilizing an off the shelf direct drive marine diesel propulsion system operated by ASV's proven ASView™ control system. This system integrates quickly and easily with a wide variety of acquisition systems, enabling line plans to be uploaded to the system for accurate data collection. The C-Worker 5™ is designed for up to 5 days endurance at survey speeds of up to 7 knots, minimizing launch and recovery options and increased survey efficiency.

About ASV Global
ASV Global is a world leader in autonomous marine technology. In just seven years, ASV Global has produced more than 90 vehicles and developed more than 40 different payload packages. Products are available for lease and purchase alongside comprehensive support and training packages. The company has also converted numerous existing vessels to operate autonomously using it’s proven ASView™ control system. With offices in the US, UK and Brazil, ASV Global’s 100+ employees support commercial, scientific, and military clients across the globe. For more information, go to www.asvglobal.com.

 
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