Class Rules
IOM Class Rules 2007
Download the IOM Class Rules 2007 (effective 1 March 2007)
IOM Measurement Forms 2007
IOM Class Rules Summary.
This summary is the first draft of a summary of the class rules, intended only as a general description. Owners and builders must refer to the class rules themselves on any specific point of interest or concern, and for sail and other dimensions.
IOM Current Policy (June 2003)
This document is under development by the IOMICA Inaugural Executive Committee, based on earlier work by Laurent Chapelot, past IOMICA VC Technical, Graham Bantock, past ISAF-RSD Technical Committee Chairman, and Jan Dejmo, ISAF-RSD Vice-chairman.
IOM Origins and recent history (September 2001)
This document was prepared by Laurent Chapelot, Past IOM ICA Vice-chairman (Technical), based on earlier work by Graham Bantock, Past ISAF-RSD Technical Committee Chairman, and Jan Dejmo, ISAF-RSD Vice-chairman.
IOM Class Rules 2003
The 2003 version of the Class Rules remain available for download below, for reference.
Class Rule Interpretations
- Interpretation IOM-2-2003 (aluminium grades for masts and spars)
- Interpretation IOM-3-2003 (sheet control unit without sheet control line)
- Interpretation IOM-4-2003 (hull materials, mast and rig fittings, mainsail construction)
- Interpretation IOM-5-2003 (sail seams, sail shaping methods)
- Interpretation IOM-1-2004 (jackstay and pre-bend)
- Interpretation IOM-2-2004 (headsail boom swivel)
- Interpretation IOM-3-2004 (bow bumper, mainsail attachment)
- Interpretation IOM-4-2004 (Texalium)
- Interpretation IOM-5-2004 (belt drive sheet control unit, headsail boom topping lift)
- Interpretation 2005-IOM-1 (certificates and measurement forms)
Class Rule Changes
- Class Rule Amendment effective 12. August 2004. (use of Texalium in hulls)
- Class Rule Amendment effective 16. January 2005. (due to RRS 2005-2008)
Measurement Forms
- Boat Measurement Form (2003)
- Rig Measurement Form (2003)
