IODA Publishes Class Rule Clarification on Rudder Angle Measurement

Class Rule Clarification 2026-001 – Measurement of Rudder Leading Edge Angle Alfa (Rule 3.4.2.1)

Sail Digital is Live

We’re happy to share some great news — the Sail Digital system is now live! 

Sail Digital Update and 2026 Class Rules

Important Notice –Optimist Class Rules 2026

Successful Measurement Seminar in Rio de Janeiro

Optimist Class Measurement Seminar in Portorož, Slovenia

Measurement Seminar Rio de Janeiro (BRA)

IODA Online Digital Measurement Certification

IODA is modernizing the Optimist Class measurement certification process with a sustainable, user-friendly digital system launching by mid-2025

NOTICE TO MEMBERS - DIGITAL COMPASS

Message from Giulietti

Sprit end fitting non compliant with Class Rules