The International Marblehead is a class of radio controlled sailing yacht used for competitive racing. It is a measurement controlled class administered by the

International Radio Sailing Association The International Radio Sailing Association (IRSA) formerly the ISAF Radio Sailing Division is an affiliate member of the International Sailing Federation that sanctions radio-controlled sailing competitions. It is authorised by ISAF to conduct up ...

. As a designated International IRSA class it is entitled to hold World Championships officially recognised by the

International Sailing Federation International is an adjective (also used as a noun) meaning "between nations". International may also refer to: Music Albums * ''International'' (Kevin Michael album), 2011 * ''International'' (New Order album), 2002 * ''International'' (The T ...

. A Marblehead has a maximum length of 1290 mm and a maximum draught of ca 700 mm, but no minimum displacement. Up to six rigs are allowed, the tallest being about 2200 mm.

Events

World Championships

References

External links

International Radio Sailing Association Website

ISAF Marblehead Microsite Website
{{Classes of World Sailing Classes of the International Radio Sailing Association Keelboats Development sailing classes