ISA / Measurements booklets

The ISA has notified IODAI that due to the importance of the Optimist Measurement Certificate Booklet and the cost of replacement, approximately €100-150, and the fact that an odd booklet has been misplaced in the post, as of 1st April 2015 all Optimist Sail Number Certificates together with the Optimist Measurement Certificate Booklet will be returned to the owner by registered post unless a prior arrangement has been made to collect directly from the ISA Office, 3 Park Road, Dun Laoghaire, Co. Dublin.  There will be an addition charge of €10 for this.”To order an Optimist Sail Number Certificate you can just click here and download the form which should be returned with the measurement booklet to the ISA office.

You can pay on-line here


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