Note: the versions on the Web incorporate rule changes since the last printed version of the rules was produced in 1997.

A summary of rule changes since 1998 is available.

Summary of Rule Changes 1997

There are also International Rules Committee (IRC) Rulings about what is legal and what is illegal under 505 class rules.

From time to time the IRC grants measurement dispensations.

CONTENTS

World and National Officials
World Championship Winners
Structure of Class Rules

A - THE CONSTITUTION

B - MEASUREMENT RULES AND DIAGRAMS
Rules
Diagrams

C - THE CHAMPIONSHIP RULES

Application
Initial Criteria
Organisation
Entrees
Budget, Entry Fee and Cost
Regatta Measurement
Committee, Safety and Other Boats
Racing
Courses
Notice of Race and Other Information
Sailing Instructions
Points and Trophies

D - THE CHAMPIONSHIP STANDARD SAILING INSTRUCTIONS

Rules
Entries
Notices to Competitors
Changes in Sailing Instructions
Signals Made Ashore
Schedule of Races
Class Flag
Racing Area
The Course
Marks
The Gate Start
Recalls
Mark Boats
Change of Course after the Start
The Finish
Time Limit, Postponement and Abandonment
Declarations and Protests
Scoring
Alternative Penalties
Support Boats
not used
Propulsion
Radio Communication
Prizes
Fixed Line Starts (code Flag Z)

E - DRAFT CONTRACT WITH CHAMPIONSHIP HOST AUTHORITY

F - MEETINGS PROCEDURE APPENDIX

International Officers and National Secretaries

World Championship Winners