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    Main | Notes for 2016 IRC Certificates »

    Information for 2018 Revalidations

    If you have not already done so, please read the 2018 Rules and Definitions which are online at changes for 2018 are marked with a sidebar.

    The IRC 2018 Yearbook is available on line – see the link on the www.ircrating.orghomepage.

    Validity datesare shown at the bottom of the certificate. When your certificate expires you will receive an invitation to renew it, please make sure your contact details are kept up to date by emailing us with any changes to your postal or email address.

    Please check the data and details on the certificate.   If there is anything you think is incorrect please contact us; however for production designs remember some standard data may have been used which differs from that submitted (usually hull data).

    Ratings may go up, down or stay the same from year to year, depending on changes and developments in the maths behind the rating calculation.  This is developed on an annual basis and is generic for certain design characteristics. Please see the additional pages at the end of this document for more information about changes for 2018.

    Age Allowance is automatically applied to boats over 3 years old, but it is a small part of the calculation. (It cannot be assumed that the rating will reduce each year because of age allowance).

    Crew limitations IRC Crew Number is not variable by a boat and has no effect on TCC.

    Endorsement:  Endorsed certificates show a ‘Rating Authority ENDORSED’ stamp at the bottom right of the certificate.   Other certificates show a ‘Standard’ stamp.  If you need Endorsement for an event you are entering, please contact us as soon as possible for advice.


    Amended or Trial certificates:   We cannot accept data by telephone.   Please make sure you complete the ‘Source of Information’ to avoid any delays, thank you.

    Note that there are limits to the number of trial certificates that are allowed, you can find details on the IRC website.

    We reserve the right to refuse to amend a certificate if we believe its purpose is to take advantage of a forecast eg. increasing sail for a race that is forecast to be light winds.

    If you have an Endorsed certificate, remember that any amendments to rated data will require official measurement, please contact us for advice if necessary.

    Change of Ownership: If you sell your boat and the new owner wishes to race it, or if you buy a boat with a current IRC certificate, then Re-Registration is required.  

    Short-handed certificates:  If you do short-handed (1 or 2 people) racing, and your boat is in a different configurationfor this, you can apply for a separate Short-Handed certificate, see IRC Rule 8.2.1.   You can apply for this through MyIRC.   

    STIX and AVS Stability data :  If you are planning to enter an event that is OSR Cat 3 or over you may need to have STIX & AVS (stability) data on your IRC certificate. Please check the specific events you are entering, to see if it is required. Information about STIX & AVS can be found on the IRC website: Once obtained, the information will be added to your certificate free of charge as long as there are no other changes. STIX & AVS can be calculated by the Rating Authority from an ORC Stability and Hydrostatics Datasheet (for the boat in its current condition).

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