ISAF has approved the Rule Spec change to use the new 49er rig & ‘squarehead" main to be class legal from 1 March 2009. Further, after 1 July 2009 only this equipment will be class legal for Gold Fleet racing in ISAF Graded events (excluding Grade 2 & 3) and Grand Prix Racing. Click here to read the full rule spec change
March 27, 2023
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