For IRC Technical information, Rules, Measurement, Worldwide Rule Authorities, and Race Organiser information, please see the dedicated IRC site www.ircrating.org

For boats based and racing predominantly in Great Britain only: 

MyIRC - apply for new applications, revalidation, amendments and trials online

MyIRC FAQ

How to Get an IRC Rating

IRC Application Forms 2010

Fees (PDF)

Does your sailmaker organise trials for your boat?

Sail Numbers

GBR IRC Regional Championships

GBR IRC Committee & Area Contacts

Real time calculator for on-the-water

For Race Organisers:

IRC Incentive Scheme

Pursuit race calculator