
SX228 Fibre-optic CLV
The SX228 cable layer has a large deadweight of 8,200t and a cable capacity of 5,500t. Optimised for fibre-optic cable laying and also prepared for future power cable operations. This includes an underdeck carousel integrated into the cable tanks.
Primary Specifications
Additional Data
Turning visions into reality
In the vast and ever-expanding world of digital communication, fibre-optic cable-laying vessels play a crucial role in enabling our connected future. As data demands surge and subsea networks extend across oceans, the need for precision, endurance, and innovation at sea has never been greater. Introducing the ULSTEIN SX228, a vessel specifically engineered to tackle these challenges head-on.
Equipped with advanced cable handling systems, exceptional seakeeping abilities, and future-ready capabilities, the SX228 is designed to deliver reliable performance in the most demanding offshore environments, ensuring that the world stays connected, one cable at a time.
Connecting the world
As global demand for high-speed data and resilient communication networks continues to grow, the need for advanced subsea infrastructure becomes ever more critical. The ULSTEIN SX228 is purpose-built to meet this challenge, offering a robust and flexible platform for fibre-optic cable installation.
With its future-ready design, superior seakeeping, and integrated trenching support, the SX228 plays a vital role in enabling global connectivity while aligning with the maritime industry's shift toward more sustainable operations.
- Precision in every layer
- Equipped with two firing lines and enclosed cable handling areas, the SX228 ensures safe and efficient cable laying even in harsh offshore conditions.
- Ready for future demands
- Designed for fibre-optic cable operations and prepped for power cable upgrades, the vessel includes an underdeck carousel integrated into the cable tanks.
- Superior seakeeping stability
- The ULSTEIN X-BOW® hull form reduces vessel motions, minimising strain on cables and enabling operations in rougher seas.
- Heavy-duty capability
- With a 50-tonne A-frame and 120-tonne bollard pull, the vessel is fully equipped for subsea ploughing and trenching support.
- Efficient crew operations
- Accommodation for 80 people and integrated ROV hangar facilities support extended missions with high onboard functionality.
Get in touch

Rolf Petter Almli
- Description
- Sales Manager
- Affiliation
- Ulstein Design & Solutions AS