1988 Midlothia TX 1990 Bermuda High SC 1992 Caesar Creek OH 1993 Black Forest CO 1994 Hobbs NM 1995 Sugarbush VT 1997 Caesar Creek 1998 Midlothian TX 1999 Tidewater Soaring VA 2000 Air Sailing NV 2001 Sugarbush VT 2002 Caesar Creek OH 2003 Moriarty NM 2005 Air Sailing NV 2006 Chilhowee TN 2007 Avenal CA 2008 Indiana Soaring IN 2009 Lesce Slovenia 2009 Lesce Slovenia 2012 Chilhowee TN 2010 Air Sailing NV 2011 Tucson AZ