The most compact private submarine
Up to 300 Meters
Up to 3 Occupants

Super Yacht Sub 3

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360 degrees view
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360 degrees view
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360 degrees view
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360 degrees view
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360 degrees view

Versatile, smart and capable with a design that will satisfy the highest expectations of discerning superyacht owners.

Design

Super Yacht Sub 3 isometric view
Acrylic Viewport

The fully acrylic hyper-hemispherical viewport gives you the best panoramic view of the underwater world possible.

Freeboard Extender

Freeboard is the height between the hatch and the waterline. The Freeboard Extender is a sliding barrier that increases the distance between the water and the hatch opening. It simultaneously allows for the submarine to be operated in rough conditions and be stored in low-height garage spaces.

Lithium-ion Battery Technology

The latest in Lithium-ion battery technology is used to give our submersibles the ultimate performance, lowest weight, smallest footprint, and best endurance possible. The Lithium-ion battery can be quickly recharged and is maintenance-free.

Thrusters

The powerful thrusters and the excellent manoeuvrability of the Super Yacht Sub 3 boost superior surface performance. You will be able to go faster, manoeuvre better and expand your operational window.

Sonar

This compact ultra-wide (130 degree) field of view instrument has a range of 100 meters acting as a second set of eyes when navigating the subsea terrain.

Manipulator Arm

External equipment comprising a selection of subsea robotic arms together with work platforms and collection baskets can be installed on most of the U-Boat Worx models.

Acrylic Viewport

The fully acrylic hyper-hemispherical viewport gives you the best panoramic view of the underwater world possible.

Freeboard Extender

Freeboard is the height between the hatch and the waterline. The Freeboard Extender is a sliding barrier that increases the distance between the water and the hatch opening. It simultaneously allows for the submarine to be operated in rough conditions and be stored in low-height garage spaces.

Lithium-ion Battery Technology

The latest in Lithium-ion battery technology is used to give our submersibles the ultimate performance, lowest weight, smallest footprint, and best endurance possible. The Lithium-ion battery can be quickly recharged and is maintenance-free.

Thrusters

The powerful thrusters and the excellent manoeuvrability of the Super Yacht Sub 3 boost superior surface performance. You will be able to go faster, manoeuvre better and expand your operational window.

Sonar

This compact ultra-wide (130 degree) field of view instrument has a range of 100 meters acting as a second set of eyes when navigating the subsea terrain.

Manipulator Arm

External equipment comprising a selection of subsea robotic arms together with work platforms and collection baskets can be installed on most of the U-Boat Worx models.

Super Yacht Sub 3 rear isometric view
Safety Buoy

The red buoy is characteristic for U-Boat Worx submersibles. When released it marks the position of the submarine on the surface. The Dyneema Rope attached measures 1.5 x the operating depth of the submersible, and is strong enough to lift it to the surface.

Lithium-ion Battery Technology

The latest in Lithium-ion battery technology is used to give our submersibles the ultimate performance, lowest weight, smallest footprint, and best endurance possible. The Lithium-ion battery can be quickly recharged and is maintenance-free.

Thrusters

The powerful thrusters and the excellent manoeuvrability of the Super Yacht Sub 3 boost superior surface performance. You will be able to go faster, manoeuvre better and expand your operational window.

Freeboard Extender

Freeboard is the height between the hatch and the waterline. The Freeboard Extender is a sliding barrier that increases the distance between the water and the hatch opening. It simultaneously allows for the submarine to be operated in rough conditions and be stored in low-height garage spaces.

Safety Buoy

The red buoy is characteristic for U-Boat Worx submersibles. When released it marks the position of the submarine on the surface. The Dyneema Rope attached measures 1.5 x the operating depth of the submersible, and is strong enough to lift it to the surface.

Lithium-ion Battery Technology

The latest in Lithium-ion battery technology is used to give our submersibles the ultimate performance, lowest weight, smallest footprint, and best endurance possible. The Lithium-ion battery can be quickly recharged and is maintenance-free.

Thrusters

The powerful thrusters and the excellent manoeuvrability of the Super Yacht Sub 3 boost superior surface performance. You will be able to go faster, manoeuvre better and expand your operational window.

Freeboard Extender

Freeboard is the height between the hatch and the waterline. The Freeboard Extender is a sliding barrier that increases the distance between the water and the hatch opening. It simultaneously allows for the submarine to be operated in rough conditions and be stored in low-height garage spaces.

Super Yacht Sub 3 interior
UIS

The U-Boat Worx Information System (UIS) gives the pilot direct access to all relevant information on a clear touch-screen display. The PLC-based network of sensors ensures the right information is provided at the right time. The UIS makes diving effortless.

Leather seats

The acrylic pressure hull accommodates two luxurious leather seats which can be customized to your taste.

UIS

The U-Boat Worx Information System (UIS) gives the pilot direct access to all relevant information on a clear touch-screen display. The PLC-based network of sensors ensures the right information is provided at the right time. The UIS makes diving effortless.

Leather seats

The acrylic pressure hull accommodates two luxurious leather seats which can be customized to your taste.

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Private submarine wreck diving
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The best dive experience

This submarine is aimed at the yacht markets where an ever-growing number of seaboard owners are discovering the world below the waterline. This compact and lightweight model delivers both performance and luxury.

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360°
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Clearest View

The ground breaking pressure hull design provides a virtually unimpeded view; everyone on board can easily see the hidden secrets of the deep.

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Unparalleled comfort

With the U-Boat Worx Super Yacht Sub 3, we have aspired to create the ultimate in luxury interior design. When onboard a Super Yacht Sub 3, guests enjoy exhilarating views from a sumptuous chair in a comfortable air-conditioned environment with variable airflow, adjustable from each seat. You can also enjoy music from a hi-fidelity Bluetooth sound-system and even chill your favourite drinks in a cold-storage box.

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Unrivalled mission-adaptability

The Super Yacht Sub 3 outperforms on every level – flexibility, agility, economy and power. This exceptional submersible features the Freeboard Extender and other smart engineering solutions.

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Ever Ready

Designed from concept to be dive-ready, U-Boat Worx has kept pre-dive checks to the safest minimum, allowing for quick and easy deployment.

SPECIFICATIONS & FEATURES

Super Yacht Sub 3 anatomy view white
Occupants
Depth
3
300m
Specifications
  • Depth
    300 m · 1000 ft
  • Occupancy
    2 passengers · 1 pilot
  • Weight
    3,800 kg
  • Endurance
    12 hours
  • Length
    320 cm
  • Width
    244 cm
  • Height
    174 cm
  • Battery
    21.6 kWh
  • Propulsion
    2 X 6.4 kW
    2 X 5.5 kW
  • Speed
    3 knots
Features
  • Lithium-ion battery technology
  • Freeboard Extender
  • MANTA Controller
  • MARLIN Controller
  • Auto-depth
  • Auto-heading
  • UIS
  • Omni-directional operation
  • Container Fit
  • Single lifting point

Lithium-ion battery technology

The latest in Lithium-ion battery technology is used to give our submersibles the ultimate performance, lowest weight, smallest footprint, and best endurance possible. The Lithium-ion battery can be quickly recharged and is maintenance-free.

Freeboard Extender

Freeboard is the height between the hatch and the waterline. The Freeboard Extender is a sliding barrier that increases the distance between the water and the hatch opening. It simultaneously allows for the submarine to be operated in rough conditions and be stored in low-height garage spaces.

MANTA Controller

The MANTA Controller allows for pinpoint precision manoeuvring. The intuitive controls allow for supervised passenger steering, offering passengers an even more exciting experience. The controller allows quick access to intelligent pilot assistance functions such as Auto-heading and Auto-depth.

MARLIN Controller

Developed to make Launch & Recovery effortless and efficient, the MARLIN Controller is a wireless remote to navigate the submarine on the surface. Once the submarine is in the water the controller can be used to navigate it away from the support vessel without a pilot inside. It can also be used to bring the submarine into position above a dive site or for easy passenger transfer.

Auto-depth

With Auto-depth engaged, the submersible will hold steady at its current depth. When applying vertical thrust, the function will automatically disengage and seamlessly respond to the pilot’s commands. This function is part of the Intelligent Pilot Assistance Features.

Auto-heading

When Auto-heading is activated, the submersible will automatically hold its current heading, whether following a course or facing an object of interest. This function is part of the Intelligent Pilot Assistance Features.

UIS

The U-Boat Worx Information System (UIS) gives the pilot direct access to all relevant information on a clear touch-screen display. This PLC-based sensory network ensures the right information is provided at the right time. The UIS makes diving effortless.

Omni-directional operation

Apart from the basic forward, reverse, up and down movements, the submersible can also move laterally. Lateral movement greatly optimises object approach, view, and dive efficiency.

Container Fit

This submersible is designed to fit in a shipping container. Perfect for when the submersible needs to be transported to and deployed in different locations.

Single lifting point

The single lifting point makes launch and recovery quick and easy. By only having to attach at one point – to the crane – you create a safer environment. With the rapid-release and efficient-connect lifting gear, you can be quickly in and out of the water.

Safety
  • Maximum depth protection
  • Deadman's Switch
  • Drop Weight
  • Safety Buoy
  • USBL
  • DNV GL Certification

Maximum depth protection

The MDP feature prevents the pilot from diving deeper than the submarine’s maximum operating depth. In case the submersible should ever find itself too deep, this safety feature will automatically raise the sub until it is once again within its ideal depth limits.

Deadman's Switch

This DMS safety system will automatically resurface the submersible in the unlikely event that the pilot becomes incapable of controlling the submarine. The pilot needs to acknowledge the DMS every 10 minutes, otherwise it will initiate the ascent procedure.

Drop Weight

This weight can be manually released from within the submersible to increase the buoyancy of the submarine and return to the surface.

Safety Buoy

The red buoy is characteristic for U-Boat Worx submersibles. When released it marks the position of the submarine on the surface. The Dyneema Rope attached measures 1.5 x the operating depth of the submersible, and is strong enough to lift it to the surface.

USBL

A very advanced USBL system is available that relays GPS data to the submersible’s on-board computer via integrated underwater modems. Piloting with real time positioning and supporting text data provides for accurate and efficient navigation. The DVL (Doppler Velocity Log) delivers real-time ground speed and position data linking to the on-board computer system.

DNV GL Certification

Certified by leading classification society, DNV GL, requires each individual submersible to meet stringent and extensive rules and regulations, as well as pass a range of rigorous test and trials from design to final delivery. Overseen by independent surveyors, this is an independent verification of the safety of every U-Boat Worx submersible.

 

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Model Overview
feet/poundsmeter/kilogram
  • Occupants (min.)

    2
    11
  • Depth (min.)

    100
    3000
    328
    9840
  • Weight (max.)

    2480
    16000
    5465
    35270
  • Height (max.)

    150
    290
    60
    120