Page 44: of Marine News Magazine (June 2020)

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Sonardyne

Vigilant graphic user interfaces, in 3D mode and Sonar mode. through a predominantly horizontal sound channel. We also be clear and informative without the need for advanced sonar need to process and select for real-time display a single mean- interpretation skills, and if required, users can also view the ingful cut through the dense 3D data point cloud of returns. raw pro?le data showing the entire water column, so they can

Finally, the imagery has to be electronically stabilized against see how deep an object is. If it’s something shallow, for exam- signi?cant platform motion. With Vigilant, we’ve overcome ple, navy divers in a swimmer delivery vehicle, using Vigilant, these challenges and built the most capable (longest range, would know they could pass beneath it.

highest area coverage, highest resolution), commercially avail- It’s an ideal tool for those working in busy coastal waters, able forward looking sonar on the market.” adds Tomlinson, where groundings are all too common. Off-

During testing, throughout last year, Vigilant was put shore energy and commercial ?shing operations, which often through some pretty rough and hostile acoustic conditions. It take place in busy and frequently shallow waters, would bene?t still picked out marker buoys, at more than 1 kilometers away, too, as would vessels called upon for disaster relief operations, in Sonar mode. In 3D mode, it produced fantastic images in where they can be going in literally blind following a tsunami, quite enclosed harbors; a space that’s about as challenging as earthquake or hurricane that has dramatically changed what you can get for sonar, says Tomlinson. may have previously been well charted seabed. “For naval oper-

For the user, there’s a simple to interpret graphical user in- ations, with Vigilant, operatives can be prepared for the unex- terface (GUI) with easy to use automatic obstacle detection pected, whether they’re in a swimmer delivery vehicle (SDV), and classi?cation. The Vigilant displays have been designed to or on a coastal patrol vessel or cruiser,” he says.

June 2020 44 MN