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Jan. 2009:
During the testing of the new Marine Sonic side scan equipment an unknown sunken sailboat was found. The software provided detail size information from the sonar imagery. It also showed the anchor line from the 18 foot vessel all the way to its anchor. We made a dive to find it was about 3 years old and possibly sunk, because of an opened hatch in a wind storm. Go to the Exploration and Survey page on our website to view the images.

Side Scan Sonar, Magnetometer or ROV
Services for search or survey


Captain Jack’s Undersea Company offers services for side scan sonar searches or survey. The sonar is towed behind our vessel. It can locate lost items or wrecks. Sonar anomalies can be investigated with our ROV to provide positive identification of the object. In shallow depth a diver can provide identification. We can deploy a diver using our tow sled for shallow water searches.

ROV cable inspection

ROV and cable spool

SeaBotix R.O.V. 150 Meter Depth rating, 250 Meter Umbilical, 360 Micron Side Scan Sonar, and a grabber hand. Dimensions: 10.5 inches high x 12 inches wide x 22 inches long.

Towfish Sonar image of a wreck

We have a 150 kHz and a 600 kHz Marine Sonic side scan to use in search or survey. It is completely digitalized and sonar files can be emailed to customers and reviewed using the free software reviewing program. The software provides tools to measure objects and read the latitude and longitude location. Our magnetometer is a Proton Mag made by Quantro Sensing in Florida. It too can be used in search and survey and a digital grid file is made using Mag Survey software.

   Click Images To Enlarge
Sonar image of a wreck Sonar image of a bicycle Sonar image of a wreck
Sonar image of a wreck Sonar image of a crabpot Sonar image of a wreck