Class Rules
Current ISCA Constitution, Rules & Specifications, revised June 30, 2025. (Link below)
DRAFT – New Class Rules, in Standard Class Rules format, are currently being worked on by the ISCA Committee in conjunction with World Sailing. (below)
Class Branding
The Shark logo and SHARK 24 are registered trade-marks of ISCA.
ISCA is pleased to provide the following resources to members to encourage consistent branding for the Class. JPEG (web format) and PNG (transparent vector format) logos are available below.
The ISCA logo is available in PNG format below.
Shark Sail Plan – JPEG format drawn by RC Federick Studios.
Sail Labels
All sails must bear an ISCA sail label, per the Class Constitution (12(g)) and our Class Rules (8.1(c)). Most Shark Class sailmakers purchase and install ISCA labels on all sails. If you need extra sail labels, the cost is $20 per label and can be ordered by contacting the Treasurer.
Builders
For information on a new Shark 24, visit Shark24center Web Site