I don't know about the regatta insurance but the US Sailing B,G&B boat coverage is pretty high with high deductibles and they only insure one design.Have heard they are good on claims though, and that means alot.
"I said, now, I said ,pay attention boy!"
The cure for anything is salt water - sweat, tears, or the sea Isak Dinesen If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most. E. B. White
