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"Select "Yes" if you want official IOM measurer to measure and officially mark your sails (signature) so they are ready to be used on next IOM class regatta." While Sailboat RC will have the sails measured exactly as stated (by an independent measurer, not a specially licensed "in-house" measurer), they do not make it clear that the sails are only "ready to be used" in CRO.

Hi Michael, this question was discussed on the IOMICA forum. Essentially you are asking about IOMICA licenced 'Certified Sailmakers' https://www.iomclass.org/phpBB3/viewtopic.php?p=13188#p13188 If you do not have access, here is the question and the answer. John Certified sailmakers Post by Art Prufer » Sun Feb 15, 2026 9:02 am According to this rule: G.2.2 CERTIFICATION (a) Except where sails are certified as in (b) the official measurer shall certify sails in the tack and shall date each with the date of certification control. (b) An MNA may appoint one or more persons at a sailmaker to certify sails produced by that manufacturer. A special licence shall be awarded for that purpose. AND ON THE RIG MEASUREMENT FORM: MAINSAILS 31. G.2.2(b) If the sails have been certificated by a manufacturer awarded a special license, then omit steps 32 to 60 HEADSAILS 60. G.2.2 (b) If the sails have been certificated by a manufacturer awarded a special licence, omit steps 62 to 86 Where can we get the list of manufacturers who have been awarded this special licence, and what sail markings are required to indicate that they have been 'pre-certified' ? Last edited by Art Prufer on Mon Feb 16, 2026 12:53 pm, edited 1 time in total. Art Prufer CRYA #1189 Can 42 and the answer from IOMICA Andrew Crocker Vice-chairman (Technical) Re: Certified sailmakers Post by Andrew Crocker » Thu Feb 19, 2026 1:45 pm Hi Art, Thanks again for your question. The short answer is that there are no licensed IOM class sailmakers in the terms of Class Rule G.2.2(b). G.2.2(b) was adopted into the IOM Class Rules from the World Sailing Standard Class Rules (SCR) and refers to the World Sailing In-House Equipment Certification (IHC) programme – see https://www.sailing.org/inside-world-sa ... ification/. At present, the International One Metre class is not a participating class association and, given the way in which the IHC programme operates, it is difficult to see how it would be feasible. As a result, there are no certified IOM sailmakers. The VC Measurement is reviewing this process with a view to making it more relevant for IOM sailmakers and owners. Regards Andrew