ULHRA:  The Unlimited Light Hydroplane Racing Association rulebook is typically updated following meetings of the ULHRA Board.  If you are with a team and you would like a copy of the rules, please contact the ULHRA office.  For your convenience, here are the 2007 Technical Rules.  DOC or PDF  right click DOC or PDF and "Save Target As"
Here are the 2008 Updated Rule Changes. DOC right click DOC and "Save Target As"
Here are the 2008 Bonus Points and Seafair Entry Rules. DOC right click DOC and "Save Target As"

NACCS:  We invite you to visit the rules of the North American Challenge Cup Series (NACCS) DOC  right click DOC and "Save Target As"

Are you in need of help converting your boat to the current Unlimited Light competition specifications?  The ULHRA Technical Committee is available to individuals/teams who are considering joining our fleet.  The committee can assist you in determining the physical needs of potential boats. For more information, please e-mail Joe Frauenheim.