The North American version of the Inter 18 is not F-18 compliant. But it could easily be made compliant. Yes it would need an alloy stick and alloy bowsprit. With the cost of carbon masts these days your could probably work yourself a very nice deal if you wanted to make the conversion.

By the book, if you don't measure in and you don't comply with the class rules then your not an F18. But, in the real world at local events typically the fleet makes the call on the beach and it's pretty relaxed. At events like MidWinters and regional championships then it's going to tighten up especially if they are going to all the trouble of weighing boats.

Basically the carbon mast and carbon snuffer pole are the only things that keep the I18 from being F18 complaint. For a while the carbon sticks were allowed to race F18 but the grace period has run out.

You have your eye on I18 at a sweet price Bug? Mike was making noise about getting one two weeks ago.

Besides I've always wondered what the I18 could do with a super wing mast. I always felt it never got its proper moment on the water.