Hydrographic Sonar News

The USS Monitor crew rests on deck. This photo is one of eight photos taken on July 9, 1862, by photographer James F. Gibson. (Image credit: Library of Congress photograph)

NOAA, Northrop Grumman to Release Sonar Images of the USS Monitor Shipwreck Site

NOAA and Northrop Grumman will release the first-ever high definition sonar images of the USS Monitor shipwreck site during a media briefing on Saturday, March 7. The briefing will  include presentations from members of the research team. Reporters will also have the opportunity to tour the Batten Conservation Complex, the primary conservation facility for artifacts recovered from the Monitor, including the revolving gun turret, Dahlgren guns, and steam engine. In September 2025, members of Northrop Grumman’s Technology for Conservation team, along with scientists from NOAA and Stantec

Composite image combining 2cm resolution HISAS2020 SAS data with EM2042 bathymetry and satellite imagery. Collected from a surface vessel in ~8 m depth, the SAS clearly resolves seabed rubble, pipeline and spunt wall—demonstrating the capability of the new HISAS2020 system even in shallow harbor conditions. © Kongsberg Discovery

Kongsberg Discovery Launches HISAS2020 Synthetic Aperture Sonar

Kongsberg Discovery has launched the HISAS2020 synthetic aperture sonar.Previously available exclusively as part of integrated payloads on Kongsberg Discovery’s HUGIN AUV family, HISAS can now be implemented across any platform – including all relevant AUVs, USVs, ROVs and towed assets – delivering clear, centimeter-level resolution, robust system design for long-term reliability, and real-time data processing. The solution, suitable for an array of defence, energy and ocean science applications, will be officially showcased at Oceanology International in London in March.Speed and

© Teledyne Marine

Teledyne Marine Will Debut New Technologies at Oceanology International 2026

of new integrated dual head multibeam systems designed to enhance survey efficiency, data quality and operational productivity.Full details of the new product will be revealed at stand F100, where visitors can discover how Teledyne Marine’s latest technologies are supporting evolving offshore, hydrographic and autonomous survey requirements.2026 also marks the 50th anniversary of Teledyne RESON, a leader in underwater acoustic solutions. To celebrate this milestone, Teledyne RESON will host a champagne reception at the Teledyne Marine stand (F100) on 10 March at 3:00pm, bringing together customers

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