Blitzkreig Trophy
The Blitzkrieg Trophy, emblematic of the Sonar Class Season Championship, is a 20-inch by 16-inch wood plaque featuring an outline of Geneva Lake and a half model of Sonar #103, Blitzkrieg, owned by the trophy designer, donor, and four-time recipient Robert G. Winter. The names of winners are engraved on metal plates and attached to the front and back of the plaque.
- 1993 Kirschlager – Frank
- 1994 Kirschlager – Frank
- 1995 Bob Winter
- 1996 John Anderson
- 1997 John Anderson
- 1998 John Anderson
- 1999 Sartoon, Bushman & Frio
- 2000 Sartoon, Bushman, Mikie K. & Frio
- 2001 Sartoon, Bushman, Mikie K. & Frio
- 2002 Sartoon, Bushman, Mikie K. & Frio
- 2003 Bob Winter
2004 John Anderson, Jane Pegel (helm) - 2005 John Anderson, Jane Pegel (helm)
- 2006 John Anderson, Jane Pegel (helm)
- 2007 John Anderson, Jane Pegel (helm)
- 2008 John Anderson, Jane Pegel (helm)
- 2009 Ron Frankel
- 2010 Robert Winter
- 2011 Robert Winter