gCaptain brings us a short “sponsored” post about “Safely Navigating Polar Regions.” This is essentially an advertisement for the company, FarSounder, but that is not necessarily all bad. The products are reported to be able to identify navigational hazards in 3D out to 1000 meters at speeds up to 25 knots.
I am not endorsing this particular product. There are probably other vendors offering similar products, but a forward-looking navigational sonar sounds like a good idea for any vessel, such as Offshore Patrol Vessels, that may frequently be called upon to go close in shore for SAR, marine environmental protection, or for interdiction,
FarSounder has fourteen dealers in the US, so it can’t be that exotic.
For icebreakers there is a retractable version.
The Argos 1000 Transducer Module is housed in a retractable steal pod with integrated cover-plate. When retracted, the cover-plate sits flush with the hull and is reinforced for protection during ice-breaking.
Two of the ships reportedly using this system are pictured below.
Polar cruise ship Le Commandant Charcot