

Tehom* Submersibles &
ROV/Drone Service
New Submersible joins Tehom Submersibles!
Manufactured by Kittredge Industries of Maine, this K350 was the personal boat of Captain George Kittredge, recognized as the father of personal submersibles.
Issued a Hull ID and Title in March 2025 by South Carolina, it's the first and
only submersible registered in the state. The CSS Hunley doesn't count. :-)
It needs a refit with electronics and com update, 4 axis manipulator install,
scrubber and depth testing and of course a paint job to become operational.
This boat replaces our prior two person K350
What We Do
Submersible: recovery of items and loved ones at depths beyond most Public Safety Diver programs, a platform for commercial film or video, research vessel for observation or experimentation, static displays for education; our submarine is highly portable with safety as a primary concern.
We can provide ROV and FAA Part 107 Certified pilot imaging services
Captain Brian
Certified diver at the age of 14, Dr. Brian built his own surface supplied diving gear at age 13, dabbled in DIY mixed-gas rebreathers and put himself through college as a diver. He has 40 years experience working around and diving K boat submersibles.
A BioChemist before entering seminary, he recently retired after 40 years as an ordained Lutheran pastor. He holds a doctorate in family systems and communication.
Innerspace Science is an organization that facilitates the use of privately owned submersibles for scientific and educational purposes on a non-commercial basis. Tehom Submersibles is a founding member and available to work with Universities, Research Stations and other organizations.
Tehom has ROV capability for underwater inspection and Drone capability for aerial work
Download Free K-250 and K-350 Plans
K 250 Plans
K250 plans never came with build instructions. The K350 instructions should help.
K 350 Plans
Build Instructions for K 350
K 350 Operations Manual
Lloyd's of London Engineering Calculation - K 350
Llyod's and Nippon Certificate of Class Submersible - K 350
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