
M40P USV
Gallery
Overview
Hybrid catamaran survey USV for shallow-water, coastal, and offshore mapping with winch support for SVP/CTD profiling.
M40P USV is a civilian USV platform developed by OceanAlpha in China. Hybrid catamaran survey USV for shallow-water, coastal, and offshore mapping with winch support for SVP/CTD profiling. It is positioned for hydrographic survey, geophysical survey, pipeline and cable inspection, and environmental monitoring and is listed publicly as active. Published specifications captured in this database include a published length of about 4.5 m, reported endurance of 48h @ 4 kn, reported speed of Max speed 7 kn; survey speed 4-5 kn, and payload information listed as 80 kg; auto lifter and auto winch support MBES, USBL, side-scan sonar, magnetometer, ADCP, and water-quality payloads. 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 October 2025 brochure lists 4.5 m x 2.33 m, 1.4 t, 48h @ 4 kn, and 7 kn max speed; other OceanAlpha copy on the same platform also mentions up to 100 hours of endurance and older pages previously surfaced a 5 kn figure.
Primary Roles
Notes
OceanAlpha's October 2025 brochure lists 4.5 m x 2.33 m, 1.4 t, 48h @ 4 kn, and 7 kn max speed; other OceanAlpha copy on the same platform also mentions up to 100 hours of endurance and older pages previously surfaced a 5 kn figure.