We are in the process of creating a new website for IOMICA, which will be launched during april 2026. Meanwhile, this site has somewhat reduced functionality, which we apologize for.

An Introduction to the IOM International Class Association

The IOM ICA has three major areas of responsibility, it covers: the class rules, international events, and class measurers. It exercises these responsibilities under the jurisdiction of World Sailing.

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Asian Continental Championship 2025 (CHN)

The Organizing Committee of the 2025 IOM Asian Continental Championship Regatta hereby
informs you about new confirmed venue:
Ruyi Lake Water Area, SCO Demonstration Zone, Jiaozhou, Qingdao, C

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IOM class YouTube channel

International One Metre class YouTube currently promotes all major events that are uploaded and free to share in our playlists, we suggest you open your videos publicly if you wish us to promote them to our IOM sailors worldwide.

Visit our YouTube channel

Technical

The IOMICA Technical Sub Committee is dedicated to maintaining the technical integrity of the International One Metre model yacht in the best interests of IOM class owners world-wide.

Events

The IOMICA Events Sub Committee is a committed group of international IOM sailors, who are dedicated in bringing you the very best of IOM championships.

Info Comms

The IOMICA InfoComms Sub Committee takes care of the IOMICA website and the forum.

Measurement

The IOMICA Measurement Sub Committee is responsible for the class measurement rules.