Sonar Class Association




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One-Design Class Type: Keelboat

Was this boat built to be sailed by youth or adults? Both

Approximately how many class members do you have? 200

One Design Central Sonar Class

About Sonar Class Association

One design keelboat designed by Bruce Kirby in 1979. Active fleets in Midwest and Eastern US as well as western Europe


Boats Produced: approx 850

Class boat builder(s):

Siedelman, Ryder, Ontario,Rondar

Approximately how many boats are in the USA/North America? 400

Where is your One-Design class typically sailed in the USA? List regions of the country:

USA, Ireland, UK, EU

Does this class have a spinnaker or gennaker? Yes

Ideal combined weight of range of crew:  750

Boat Designed in 1979

Beam: 7

Weight of rigged boat without sails: 2200

Draft: 3′ 7”

Mast Height: 35