Australia’s No Humes orders first GeoMB multibeam echosounder during Oceanology International 2026
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PRESS RELEASE
12th March 2026 – For Immediate Release
ExCel London, UK: GeoAcoustics has announced the first sale of its newly launched GeoMB 401 multibeam echosounder, with the order placed by Australian channel partner No Humes during Oceanology International 2026 in London. The sale follows the official launch of GeoMB at the exhibition earlier this week and reflects strong early market interest. The new system marks GeoAcoustics’ entry into the multibeam sector, expanding its established bathymetric sonar portfolio.
GeoMB is an all-in-one multibeam echosounder designed to simplify high-quality bathymetric data acquisition. Operating at 400 kHz, the compact system integrates an Applanix AP+ integrated GNSS/IMU solution as well as a Sound Velocity Sensor in a single platform to deliver dependable, high-resolution bathymetry while reducing system complexity. Its design supports efficient deployment on small survey vessels, vessels of opportunity and uncrewed surface vessels, helping operators collect accurate seabed data while keeping equipment and operational costs manageable.
Through its partnership with GeoAcoustics, No Humes aims to make advanced multibeam technology more accessible to the Australian market, enabling customers to deliver reliable survey results more economically than many traditional systems. The first GeoMB system ordered by No Humes will form part of its rental fleet, with demonstration and hire availability expected from May 2026. The company is also offering the GeoMB for direct sale to customers across Australia.
“Oceanology International is where the industry comes to see technologies that genuinely move the field forward, and GeoMB was one of the stand-out launches at this year’s show,” said Cory Brooks, Director of No Humes. “In our market, survey projects are often delayed by equipment costs, and GeoMB addresses that by delivering dependable multibeam capability in a more accessible package. By bringing the GeoMB to Australia quickly, we’re giving surveyors the opportunity to reduce equipment costs and potentially restart projects that may have previously been put on hold due to budget constraints.”
Richard Dowdeswell, CCO at GeoAcoustics, added: “Seeing the first GeoMB system ordered during the week of launch is a strong endorsement of the need for a practical multibeam solution for today’s survey environment. Our partnership with No Humes allows us to make the system available in Australia, where there is strong demand for dependable and cost-effective hydrographic technology.”
Oceanology International also saw strong interest in another new system from GeoAcoustics, the GeoPulse LF 101 low-frequency boomer sub-bottom profiler. Launched alongside GeoMB at the event, the system attracted attention from survey companies and research organisations seeking deeper sediment penetration for geotechnical and geological investigations.
For further information, contact sales@geoacoustics.com or visit www.geoacoustics.com.
About GeoAcoustics Ltd
GeoAcoustics Ltd delivers innovative, field-proven technologies for customers working in the inland waterway and marine hydrographic surveying, dredging and marine-research fields. Headquartered in Great Yarmouth, UK, with a global presence through a network of channel partners, the company specialises in the design, development, manufacture, and commissioning of advanced side scan, bathymetry, and sub-bottom profiling sonar-systems.
GeoAcoustics Ltd has been a partner for the offshore energy, subsea, and marine survey sectors since 1978 and has had two different corporate owners in this time. The company returned to independent ownership in December 2020, and continues to develop innovative sonar products.
