International Tornado Class Association Home of Tornado Catamaran and Multihull Sailing
The Tornado Class Constitution and Class Rules in ISAF Standard Class Rules. The rules were last updated in 2015 with the new rule about the construction of the beams.
Constitution of the International Tornado Association (PDF)
Tornado Class Rules 2016 (PDF)
2016 Mainsail Identification Change(PDF)
International Tornado Class Rules – Appendix A (PDF)
International Tornado Class Rules – Appendix C (PDF)
Tornado Championship Course (PDF)
Equipment Inspection (PDF)
Tornado Measurement Handbook (PDF)
Sail Stickers
Clarification on Sail Stickers (PDF)
