Medium-size patrol USV for coastal authorities, maritime agencies, and offshore operators needing high-speed security and emergency response.
L30 USV is a dual-use USV platform developed by OceanAlpha in China. Medium-size patrol USV for coastal authorities, maritime agencies, and offshore operators needing high-speed security and emergency response. It is positioned for patrol, maritime security, search and rescue, and logistics support and is listed publicly as active. Published specifications captured in this database include a published length of about 7.5 m, a reported range of about 407 km, reported speed of Max speed 35-36 kn, and payload information listed as 300 kg; electro-optical pod, side-scan or forward-looking sonar, self-inflating life raft, loudspeaker, police light, searchlight, and audiovisual deterrent options. The platform is described as remote control / autonomous / manual 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 product page lists a 220 nmi range and 35 kn top speed, converted here to about 407 km, while the September 2025 brochure lists 280 nmi @ 25 kn and 36 kn. OceanAlpha also says L30 received China's first USV classification certificate.
OceanAlpha's product page lists a 220 nmi range and 35 kn top speed, converted here to about 407 km, while the September 2025 brochure lists 280 nmi @ 25 kn and 36 kn. OceanAlpha also says L30 received China's first USV classification certificate.
China conducted an operational exercise deploying multiple L30 unmanned surface vessels in a coordinated swarm for autonomous patrol, detection, and interception missions with minimal human input.
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