L25 USV
Gallery
Overview
Offshore survey USV for hydrographic and geophysical data collection around pipelines, wind farms, and nearshore construction.
L25 USV is a civilian USV platform developed by OceanAlpha in China. Offshore survey USV for hydrographic and geophysical data collection around pipelines, wind farms, and nearshore construction. It is positioned for hydrographic survey, geophysical survey, pipeline inspection, and seabed mapping and is listed publicly as active. Published specifications captured in this database include a published length of about 7.5 m, reported endurance of 65h @ 4 kn; expandable to 130h @ 4 kn with extra fuel, reported speed of Max speed 10 kn; survey speed 4-5 kn, and payload information listed as 200 kg; supports 2-4 wet-end payloads with auto lifter and towing system. The platform is described as remote control / autonomous in terms of control and autonomy. Its concept emphasizes persistent on-water presence, modular payload integration, and lower operating burden than a comparable crewed craft. Additional context: OceanAlpha's September 2025 brochure lists 7.5 m x 2.8 m, 2.4 t, Sea State III operation, and 10-20 km private-network communications; the current product page also says endurance can be extended to 130h @ 4 kn with two additional 50 L fuel tanks.
Primary Roles
Notes
OceanAlpha's September 2025 brochure lists 7.5 m x 2.8 m, 2.4 t, Sea State III operation, and 10-20 km private-network communications; the current product page also says endurance can be extended to 130h @ 4 kn with two additional 50 L fuel tanks.