ZeroUSV Oceanus12 meets MCA WB3 requirements

ZeroUSV says its Oceanus12 autonomous USV has met MCA Workboat Code Edition 3 requirements, supporting offshore and survey operations.
19 Jun

Edited June 19, 2026

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ZeroUSV and MECAL representatives shaking hands while presenting Oceanus12 WB3 certification at a marine trade stand.

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Oceanus12 autonomous USV meets MCA WB3 requirements

ZeroUSV has announced that its Oceanus12 class of autonomous uncrewed surface vessels has met the regulatory compliance standards required for an MCA Workboat Code Edition 3 (WB3) Class Certificate to be issued.

The company says the certification process was led by maritime certification authority MECAL, working with ZeroUSV and the coding department at the Maritime and Coastguard Agency.

According to ZeroUSV, the Oceanus12 class has been assessed against the safety, operational and technical requirements set out under the UK Maritime and Coastguard Agency’s Workboat Code Edition 3, including the framework developed for remotely operated and unmanned vessels.

ZeroUSV says the award supports the commercialisation and regulation of autonomous maritime systems. It also says WB3 has become an important benchmark for the safe integration of autonomous technologies into maritime operations.

Certification supports autonomous vessel deployment

ZeroUSV says the certification gives commercial customers independent assurance that the Oceanus12 class has been assessed against regulatory standards.

The company says the Oceanus12 class is intended for use across offshore energy, hydrographic survey, environmental monitoring and scientific applications.

It is hard to articulate how significant this is not just for ZeroUSV, but for the Oceanus class of USVs. Achieving WB3 certification for the Oceanus12 class, gives us the green light to operate commercially and will open up significant opportunities not only in the UK water space but in the global maritime sector…..This certification demonstrates that autonomous vessels can operate within an established regulatory framework while delivering the performance, endurance and operational flexibility our customers require.

Matthew Ratsey, Managing Director of ZeroUSV

Oceanus12 developed for offshore operations

Designed, built and operated in the UK, the Oceanus12 class is a 12-metre autonomous surface vessel developed for long-endurance offshore operations.

ZeroUSV says the platform combines hybrid-electric propulsion, modular payload integration and advanced autonomous navigation capabilities. According to the company, this enables multi-week missions in challenging maritime environments.

MECAL describes itself as one of the UK’s leading maritime certification and surveying organisations. The release says MECAL has played an active role in the development and implementation of Workboat Code Edition 3.

Under WB3, Annex 2 addresses certification requirements for remotely operated unmanned vessels, this establishes a pathway for commercial autonomous vessel operations while maintaining safety standards equivalent to those expected of conventional crewed workboats.

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Achieving WB3 certification for Oceanus12 is a significant milestone for both ZeroUSV and the wider autonomous maritime sector. It demonstrates that advanced uncrewed vessel technologies can be successfully assessed against established maritime safety and operational standards, providing customers with confidence that autonomous systems can be deployed within a recognised regulatory framework.

MECAL is committed to supporting innovation across the maritime industry and ensuring that emerging technologies can progress within pragmatic and practical assurance frameworks. As remotely operated vessels continue to evolve, it is essential that certification and regulatory processes develop alongside them.

Through our role as a certifying authority, we are actively positioning ourselves to support the future of the maritime sector, helping designers and operators navigate the challenges and opportunities presented by new technologies. We are pleased to have worked with ZeroUSV on this certification and look forward to supporting the continued growth of autonomous operations and the wider adoption of advanced maritime technologies across the industry.

Owen Preece, Managing Director at MECAL

ZeroUSV says regulatory certification is becoming a key part of adoption as organisations look for safer, lower-carbon and more cost-effective ways to conduct offshore operations.

For more information on the Oceanus 12 and its autonomous operation, visit:

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This content was created by the Powerboat & RIB editorial team.

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