The Rules of the International Sonar UK Class Association (ISUKCA) are available here to browse or to download in PDF format.

Click to browse the rules online

To download these pdf files(rather than display them in your browser) right click on the icon and 'Save target as' (or equivalent command) and save to your chosen location. If you are using an Apple Mac, Control-click on the icon and select 'Download Link to disk' and save to your chosen location.