CudaJet
Underwater Jetpack™
Underwater Jetpack™
£22,500.00 GBP Ex VAT
The world’s first Underwater Jetpack™, engineered and built in England. CudaJet delivers genuine underwater flight through intuitive control, exceptional agility and performance-led electric propulsion.
Each Jetpack is individually built to order, with limited annual production.
Enquire to Order
Prefer email? enquiries@cudajet.com
Worldwide delivery, training and yacht support available.
What's Included
What's Included
- Underwater Jetpack
- Controller
- One Harness (of chosen size)
- Fast Charger
- Hard Case
- Charge Key
- Product Manual
- 2-year warranty

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The Harness
The HarnessHand made using aerospace expertise to produce a comfortable yet powerful interface between the User and Underwater Jetpack.
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The Controller
The ControllerAn extension of your body and mind. The CudaJet controller is designed simply to give you intuitive control of the Jetpack's power and your safety.
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The Case
The CaseCudaJet Hard Cases are made by Peli. These cases are waterproof should you drop them overboard or have them released as a care package from a helicopter.
Designed for Superyachts & Adventure
3 Meters Per Second
The Underwater Jetpack will allow you to fly with speeds up to 3 meters per second. Faster than any swimmer!
Underwater Jetpack
A Breakthrough In Technology
Engineered to deliver one of the highest power-to-weight ratios in watersports, the CudaJet combines advanced propulsion, lightweight engineering, and precision control to redefine underwater performance.
Unlock the Ocean
Move with precision beneath the surface using natural body movement to control direction, while adjusting speed instantly through the handheld controller. Designed to feel intuitive from the outset, confident underwater flight comes naturally within a single session.
Safety by Design
Developed over 9 years and now in its fourth year of deliveries, CudaJet is engineered around controlled, predictable operation. Layered electronic protection, integrated buoyancy and direct tethered control work together to support safe operation above and below the surface.
Tethered controller avoids reliance on wireless communication
Factory-set depth limit, adjustable within the system settings
Integrated buoyancy supports return towards the surface at the configured depth limit
Advanced battery management system with cell-level monitoring and user warnings and triple-redundant charge protection
Temperature, humidity and seal monitoring
Protected propulsion intake with grille and mesh
Quick-release harness system
Key Specifications
Max Speed - 3 m/s
Jetpack Weight - 14 kg
Max Depth - 40 m
Safety Depth Limit - 3 m from factory (adjustable in settings)
Typical Runtime - 90 mins
Charge Time - 75 mins
Harness Size - Chest 32" to 60" (81cm to 152cm)
CudaJet Care
CudaJet is designed for straightforward routine care.
After use, rinse the Jetpack thoroughly in fresh water and briefly run the motor while submerged to flush out salt water. Remove and allow it to air-dry completely.
During storage, maintain sufficient battery charge and recharge periodically to prevent the battery from fully discharging.
Keep the charging port clean, dry and free from debris before connecting the charger.
Do not operate the motor out of water for more than 5 to 10 seconds.
Do not store the Jetpack in direct sunlight.
Do not store the Jetpack at full charge for extended periods.
Do not clean or dry the Jetpack using compressed air.
Refer to the product manual for complete, detailed instructions.
The World's First Underwater Jetpack
The final frontier of Earth, unlocked and ready for you to discover.