Universal Ocean Access

The Halo™ system enables small, affordable underwater drones to be operated from remote locations such as a shore-based control room, reducing human presence in the sensitive and high-risk ocean environment, providing 24/7 access to the ocean, and reducing harmful emissions by eliminating the need for traditional large surface support vessels.

Halo dock hosting underwater drone operations, connected to Unmanned Surface Vessel


The system comprises a convergence of disruptive technologies: underwater docking technology, small commercially accessible underwater vehicles, and high-bandwidth underwater optical communication.

Drone charging and communications is made possible through connection to the submerged dock via WiSub patented electromagnetic (EM) interface and Hydromea underwater optical modems.

Suspended Dock


The dock is connected to a power source, either a local ocean energy source (wind, wave) or received power from a shore cable. A data link to shore is established via subsea cable or over the surface using mature through-air telecommunications.


Cassette-style Dock

Halo cassette dock – additional details


Small wireless drone docking into larger work-class ROV system with cassette-style dock


Fly-out dockable mini-ROV, no tether, integrated to Work ROV skid


Use Cases


Collaboration and Further Information

We welcome productive partnerships that help us deliver the best solutions to the market.

Please get in contact at info@transmark-subsea.com if you would like to learn more.


Resident Systems Large and Small

There is no “one size fits all”. Transmark Subsea also provides larger docking systems to support larger-format drones.

We direct you to this page to learn more about our large-format underwater docks.


Click to download our Transmark Halo Dock leaflet.


Polakweg 6
2288 GE Rijswijk
The Netherlands
T: + 31 88 113 09 30
E: info@vmatch.nl


Other locations:

wheel   Amsterdam (The Netherlands)
wheel   Bergen (Norway)
wheel   Aberdeen (Scotland)
wheel   Moscow (Russia)
wheel   Houston (USA)
wheel   Sharjah (United Arab Emirates)

Website by Webroots