We do the same thing. The CG requires us to file for a free permit for our wed. beer can races and our annual regatta. They can just as easily refuse to issue next year.At some (not all) of our races, the PRO reads the riot act to the racers that you are not to mess with tankers or USCG boats, and if you do, it is grounds for a DSQ. We have a charity regatta coming up, and the course is in the main ship channel. I am sure we're gonna get "The talk" at the skippers meeting.
Another great quote comes to mind:
"Hey, you scratched my anchor!" , Al Czervik