IMO Adopts MASS Code: The Autonomous Ship Moves from Drawing Board to Regulated Reality

The maritime industry has spent the better part of a decade debating whether autonomous ships represent genuine commercial progress or elaborately funded engineering theatre. That debate has not been entirely resolved, but one of its central preconditions has now been addressed. 

By Paul Morgan (gCaptain) – The somewhat controversial concept of autonomous ships is getting ever closer as the International Maritime Organization has adopted the first global regulatory framework specifically designed for Maritime Autonomous Surface Ships, known as the MASS Code, following the conclusion of the 111th session of the Maritime Safety Committee in London on 22 May 2026.

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