
L25 Multi-Function Marine Survey USV:
(Powering Precision in Ocean Exploration)
In the ever-evolving world of marine technology, the demand for smarter, more versatile survey platforms is growing rapidly. Whether it's mapping the ocean floor, monitoring environmental changes, or inspecting underwater infrastructure, the tools we use must be as dynamic as the challenges they face. That’s where the L25 Multi-Function Marine Survey USV steps in—a cutting-edge unmanned surface vessel designed to deliver high-performance results across a wide range of marine applications.
Built for the Deep
The L25 is a large-scale, autonomous catamaran crafted from corrosion-resistant aluminum alloy and carbon fiber. Its modular design allows for easy customization, making it suitable for both coastal and deep-sea missions. With a payload capacity of up to 200 kilograms, it can carry multiple instruments simultaneously—ranging from multibeam and side scan sonars to ADCPs, LiDAR scanners, sub-bottom profilers, and water quality sensors.
This flexibility means the L25 isn’t just a survey vessel—it’s a floating lab, capable of conducting hydrographic mapping, oceanographic research, environmental monitoring, and underwater inspections all in one mission.
Endurance Meets Intelligence
One of the L25’s standout features is its impressive endurance. Powered by dual 50HP outboard diesel engines and electric thrusters, it can operate continuously for up to 65 hours at a cruising speed of 4 knots. With its internal combustion engine, this range can be extended to a staggering 130 hours—making it ideal for long-duration missions without the need for frequent refueling or battery swaps.
But it’s not just about stamina. The L25 is equipped with advanced autonomous navigation systems, including radar, HD cameras, AIS, and intelligent obstacle avoidance algorithms. These systems allow it to maneuver with precision, even in complex environments like harbors, offshore wind farms, or near underwater structures.
And in case of emergencies—like loss of communication or low battery—the vessel is smart enough to automatically return to its base station, ensuring safety and mission continuity.
Stability That Delivers Results
Survey accuracy depends heavily on platform stability, especially when deploying sensitive acoustic equipment. The L25’s catamaran hull design minimizes roll and sway, maintaining a roll range of less than 10 degrees even in sea state SS4. This ensures that sonar and other instruments can operate in optimal conditions, reducing noise and improving data quality.
Its low-noise electric thrusters further enhance acoustic performance by lowering the signal-to-noise ratio, making it a reliable choice for high-resolution mapping and data collection.
Smart Integration for Smarter Missions
The L25 isn’t just a vessel—it’s part of a larger ecosystem. It connects seamlessly with remote base stations, allowing operators to monitor real-time data, video feeds, and mission progress from shore. Its compact design and intuitive controls mean that even complex missions can be managed by a small crew, with minimal setup time.
Whether you're conducting bathymetric surveys, inspecting underwater pipelines, or studying marine biodiversity, the L25 offers a robust, scalable solution that adapts to your needs.
Final Thoughts
As marine exploration pushes into deeper, more demanding territories, platforms like the L25 are redefining what’s possible. Its combination of endurance, intelligence, and multi-instrument capability makes it a game-changer for researchers, surveyors, and environmental agencies alike.
In short, the L25 isn’t just riding the waves—it’s leading the charge.