SBG Systems’ Navsight-Apogee has been integrated into Jan De Nul Group’s hybrid unmanned surface vehicle (USV), Beluga 01, supporting bathymetric survey operations with high-accuracy navigation data. Read more >>
The solution was chosen to meet specific operational requirements while addressing environmental and efficiency goals.
Jan De Nul Group is an international contractor specializing in dredging, offshore energy, civil construction, circular solutions, and project development. The company applies advanced technologies to minimize environmental impact, ensure reliable survey data, and improve operational efficiency across maritime projects.
Objectives for the Beluga 01
Jan De Nul identified three priorities for the Beluga 01 USV:
- Reducing environmental footprint by adopting a greener survey platform with lower emissions.
- Ensuring data reliability in offshore environments including wind farms and high-sea states.
- Enhancing efficiency by extending the USV’s operational window and maximizing survey productivity.
Technical Requirements
A navigation solution was required that could deliver accurate Pitch, Roll, and Heave (P/R/H) measurements in a compact, durable form factor suitable for pole installations. A straightforward installation process and reliable performance were also essential.
SBG Systems’ Navsight-Apogee, a survey-grade Motion Reference Unit (MRU), was identified as a suitable option following evaluation.
Testing and Integration
The engagement began with on-site testing of Navsight-Apogee. During this stage, results were analyzed, and shortcomings were identified relative to operational requirements. After this evaluation, the system was integrated into Beluga 01, providing several benefits:
- Data reliability maintained in sea state three conditions, extending operational capabilities.
- Enhanced positioning by combining GNSS signals with MRU data, addressing GNSS limitations in obstructed offshore environments.
- Compact design with a waterproof enclosure, allowing installation within the limited space of the USV’s moon pool.
Support and Refinement
SBG Systems provided technical support during integration, ensuring smooth deployment and timely resolution of queries. While Navsight-Apogee met many of Jan De Nul’s operational needs, areas for continued refinement were identified to further improve performance.
Conclusion
The integration of Navsight-Apogee into the Beluga 01 USV demonstrates the role of advanced inertial navigation technology in delivering eco-friendly, reliable, and efficient hydrographic survey operations.
