There is a company doing code zero for f18, not sure if it's class legal for not.
<<http://www.fwd-sailing.com/Reacher%20FWD%20Sailing/Reacher%20FWD%20Sailing.html>>
May ask them to do one for my F16.
Would make the low wind sailing more fun <img src="http://www.catsailor.com/forums/images/graemlins/cool.gif" alt="" />, not sure if I would use it for racing though.