During the last week of a hydrographic survey of Lough Derg, Ireland’s third largest lake, the remnants of a preserved flooded landscape were unveiled beneath the surface wit...

Side-scan sonar is well accepted as a tool for detection and visualisation of underwater objects and is widely used in support of safety of navigation surveys. Although side-scan s...

Laser scanning and bathymetric side-scan sonar represent the cutting edge of environmental survey technology. Over the last few years, we have tested the integration of these two m...

The Indonesian Association of Marine Survey Contractors launched a survey operation in early January 2015 to support the Indonesian National Agency for Search and Rescue. The opera...

It was a rainy day at Woods Hole, Massachusetts, USA. The scenery reminds me of the Twin Peaks atmosphere. I am about to interview Mike Purcell, the man whose search team finally f...

During a habitat mapping project at the Cyclades Islands (southern Aegean Sea - eastern Mediterranean Sea) which focused on the mapping of coralline algae, the shipwreck of HMHS Br...

Although today’s multibeam echo sounders come with a backscatter option the more traditional Side-scan Sonar (SSS) still has many advantages when it comes to bottom imaging....

Sonardyne is an organisastion at the forefront of acoustic, inertial, sonar and optical subsea technology development. It takes vision, a sustained focus on research and developmen...

From 21 to 24 June 2013, a NOAA team from the Office of Coast Survey (OCS) and the Office of National Marine Sanctuaries (ONMS) conducted a joint mission to explore a shipwreck off...

Here we present the winning project of an industry-supported student research campaign, initiated in 2013 by Innomar Technologie GmbH, Germany. More than 25 European scientific ins...

Norwegian Subsea introduced its updated motion reference unit (MRU) lineup with full aiding capabilities for sonar-based applications at Ocean Business 2025. The new solution was w...

Hydro-Tech has introduced the MS8240, a next-generation multibeam echosounder with adjustable frequencies from 150kHz to 450kHz in 10kHz increments, plus high-frequency options up...

A shipwreck, believed to be the World War I vessel SS Tobol, has recently been discovered off the north-east coast of Scotland, solving what discoverers are calling a ‘107-ye...

The Marine Technology Society (MTS) and the Society for Underwater Technology (SUT) have announced Martin ‘Marty’ Klein as the distinguished recipient of the 2024 Capta...

A consortium of USV and hydroacoustic tech firms, including ACUA Ocean, GeoAcoustics and Unmanned Survey Solutions (USS), has secured funding from the British Department for Enviro...

EdgeTech, a leader in high-resolution sonar imaging systems and underwater technology, has increased the standard depth rating to 3,000 metres on all new 2050 combined tri-frequenc...

In the realm of advanced robotic solutions and underwater data networks, EvoLogics stands out as a pioneer. Renowned for its uncrewed surface vehicle the Sonobot 5, the company has...

ASL Environmental Sciences has announced successful field trials of a new prototype split-beam sonar, which were conducted in the Saanich Inlet near the Institute of Ocean Sciences...

A prototype of the AZFP6-ice was deployed in the coastal waters approximately 40km east of the town of Nain, Labrador (Canada), an area used for Indigenous traditional hunting and...

Hydrography has long been defined by depth. From nautical charting to navigation safety, bathymetry remains the primary deliverable. But many blue economy activities – offsho...

In order to ensure safe navigation, Flemish Hydrography (FH) uses multibeam echosounders to precisely determine the depth and shape of shipwrecks. After a detailed survey and proce...

Thanks to major advances in both the technological methods used and the richness of the datasets available on the condition of wind farms, it is becoming easier for developers and...

The shallow nearshore coastal zone plays a critical role in coastal erosion processes, flood risk and ecosystem dynamics, yet it is one of the most difficult environments to survey...

Getting away from the daily grind can be the perfect way to not only recharge one’s batteries, but also to rediscover one’s passion and appreciation for hydrography. Af...

As NIOZ Royal Netherlands Institute for Sea Research prepares to bring its new flagship research vessel Anna Weber–van Bosse into service, attention is shifting from construc...

The maritime sector is entering what is often called the S-100 era. Much of the discussion so far has focused on compliance timelines and new product specifications. However, ...

To protect New Zealand’s coastline, Toitū Te Whenua Land Information New Zealand (LINZ) has launched the 3D Coastal Mapping Programme. Over three years, this technically dema...

In September 2025, Brazil reached a historic milestone in the modernization of nautical cartography with the conclusion of its first electronic navigational chart (ENC) produced un...