Underwater Remotely Operated Vehicles

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Harris County Sheriff’s Office Acquires VideoRay ROV and Sonar For Underwater Inspections, Search, and Recovery

The Harris County Sheriff’s Office Homeland Security Marine Unit (Houston, Texas) recently completed training from Craig Thorngren, owner of Submerged Recovery & Inspection Services in the capabilities, deployment, use, and care of their new suite of robotic underwater search and inspection equipment. They acquired a VideoRay Pro 3 GTO remotely operated vehicle, integrated with BlueView Technologies P900-45 multibeam sonar, LYYN Visibility Enhancement Technology System and KCF Technologies Smart Tether Positioning System with the help of a Department of Homeland Security Grant.

Eight Deputies spent three days learning how set up the system, interpret the sonar images, and fly the ROV to the targets and then obtaining the GPS coordinates of the underwater targets. Three sunken cars and trucks were located on the second day of training.

The last day of training consisted of tactics and techniques to search a ship hull quickly and efficiently for parasitic devices. During the training the Chief Engineer from the MARAD vessel Cape Taylor asked if a 1.5 inch plug could be located and inspected to make sure it was fully threaded into the hull. Using the BlueView Sonar, Deputy Doug Klim located and inspected the plug (on a 630 foot vessel) in less than 10 minutes.

The training scenarios were tailored to specific tasks as directed by the Sheriff’s Office. These included searching a fairly wide area for evidence and recovering it, inspecting ship hulls for evidence of smuggling, and assisting other agencies in their search efforts.

“This is sophisticated, state of the art gear.” Said Craig Thorngren of Submerged Recovery & Inspection Services, “This group was as good as any I’ve worked with picking up the technology and techniques and running with them. I’m certain they will be successful.”

VIEW VIDEO OF THE TRAINING EVENT HERE

VISIT THE HARRIS COUNTY SHERIFF’S OFFICE WEBSITE HERE

VISIT SUBMERGED RECOVERY & INSPECTION SERVICES HERE

Harris County Training


Harris County Sheriff’s Office Homeland Security Marine Unit with their VideoRay Pro 3 GTO ROV

Harris County Training


Launching the VideoRay with a Smart Tether Positioning System to obtain the coordinates of the found sunken car

Harris County Training


Two Deputies from Harris County Sheriff’s Office Pilot the VideoRay ROV to a sunken car found during training

Harris County Training


A BlueView P900-45 Sonar Image of a submerged pickup truck found during the training – the two bright dots are the side mirrors

Harris County Training


Submerged Recovery & Inspection Services Craig Thorngren demonstrates installing the termination plug and float block for using a BlueView Multibeam Sonar

VIEW VIDEO OF THE TRAINING EVENT HERE

VISIT THE HARRIS COUNTY SHERIFF’S OFFICE WEBSITE HERE

VISIT SUBMERGED RECOVERY & INSPECTION SERVICES HERE