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First global rulebook for autonomous ships to arrive on July 1

IMO's non-mandatory MASS Code publishes on July 1, setting groundwork for a binding global framework for remotely operated vessels by 2032

Published June 07, 2026
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First global rulebook for autonomous ships to arrive on July 1
First global rulebook for autonomous ships to arrive on July 1

The shipping industry is on the cusp of its first internationally agreed safety framework for crewless vessels, with the International Maritime Organization set to publish the Maritime Autonomous Surface Ships Code on July 1.

This non-mandatory code introduces the first internationally agreed-upon framework for remotely controlled and autonomous cargo ships, covering issues such as legal liability in case of an accident involving an unattended ship on the seas, as well as how to perform crew tasks related to firefighting, cargo handling, ship maintenance, and lookout when there are no people onboard.

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The IMO has identified four degrees of autonomy for vessels, mirroring the framework used for self-driving cars. Degree one involves crew on board with some automated systems.

Degree three is remotely operated, and degree four does not have any human intervention at all. Among the most urgent issues regarding this code are those that arise with degrees three and four, especially the legal issue of liability for a completely autonomous ship.

The publication of July is non-mandatory and is meant to provide both parties with a learning experience prior to implementing the mandatory rule.

The mandatory Marine Autonomous Ship (MASS) Code will be adopted in 2030 and will take effect from January 1, 2032. This gives the maritime community six years to prepare for it.

The UK's Maritime and Coastguard Agency played an active role in developing the code through IMO working groups. "The maritime industry is inherently global, so progress towards a harmonised regulatory framework is vital to support consistency, fairness and, most importantly, safe operations internationally," said MCA assistant director for Future Technical Standards Leanne Page.

The first-ever autonomous and zero-emissions electric cargo ship is none other than Norway’s Yara Birkeland, which has begun commercial operations by transporting fertilisers from a plant to the port of Brevik in a deep-sea container ship.


Pareesa Afreen
Pareesa Afreen is a reporter and sub editor specialising in technology coverage, with 3 years of experience. She reports on digital innovation, gadgets, and emerging tech trends while ensuring clarity and accuracy through her editorial role, delivering accessible and engaging stories for a fast-evolving digital audience.
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