Roper has a side scan sonar system, which is not the quality of our system, but is useful when navigating.
Side Scan Sonar System
Image courtesy of the Search for the Lost French Fleet of 1565 Expedition, NOAA-OER/St. Augustine Lighthouse & Museum. Download larger version (jpg, 424 KB).

Roper has a built-in side scan sonar system, which is not the quality of our survey system but very useful when navigating the boat. In the lock, the sonar can make out the shapes of a number of manatee swimming around the boat. Side scan sonar uses sound waves to make an acoustic image of the water and seafloor around the boat.

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