Class Rule changes 2017>2021

This page provides a summary of the key changes between the 2017 v2 International 420 Class Rules and the new December 2021 International 420 Class Rules. There are numerous changes, many altering just single words. This document does not list all of these changes and is not intended to be a definitive guide to the changes, but rather a brief summary of what the UK Class Association believe are the key changes sailors need to be aware of. 

The full 2021 rules can be found here and we encourage you to read them:


International 420 Class Rules can be found here

Document showing differences between 2017 and 2022 Rules can be found here


Key take away changes

Clothing changes


Boat changes


Event changes


420 Technical Officer 










Class Sponsors

International 420 logo
Selden Masts logo
ISAF logo
Vaikobi logo
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