IRC YEARBOOK 2010
OCEAN SAFETY IRC RULE 2010
EFFECTIVE 01 JANUARY 2010
IRC
Copyright © Seahorse Rating Ltd and UNCL. All rights reserved. No part of this Rule may be reproduced, transmitted or recorded by any
means without the prior permission of Seahorse Rating Ltd
RULE
CONTENTS
Go to www.ircrating.org to download the IRC Rule
Part A RULE POLICY
text for 2010 in PDF format including hyperlinks to
1 Introduction
the Equipment Rules of Sailing, IRC Definitions, etc.
2 Fundamental Policy
2010
3 Important Notice
Part B GENERAL INFORMATION
IRC RULE NUMBERING 2010
4 Administration
For 2010, there have been significant changes to the IRC Rule text,
5 Interpretations
associated with the incorporation of the ISAF Equipment Rules of Sailing
6 Dispensations
and also a general ‘tidy up’. The following is aimed therefore at assisting
7 Language and Rule Definitions
Organising Authorities, Race Committees and others in amending Notices
8 Rating Certificates
of Race, Sailing Instructions, etc, to reflect these changes.
9 Rating Review
10 Rating Protests
Rule No 2009 Rule No 2010 Description
11 Changes to Class Rules
1 1 Introduction
12 Units of Measurement and Corrected Times
2 2 Fundamental Policy
13 Measurement and Compliance
3 3 Important Notice (safety)
14 Sail Numbers
4 deleted Was Spare
15 Manual Power
5 4 Administration
Part C IRC, advertising permitted
6 5 Interpretations
16 Advertising
7 6 Dispensations
17 Boat Weight
8 7 Language and Rule Definitions
18 Length on Waterplane (LWP) and Draft
9 8 Rating Certificates
19 Hull Appendages
10 deleted Was Spare
20 Engine and Propeller
11 11 Changes to IRC Rules
21 Rig and Sails
12 12 Units of Measurement/Corrected Times
22 Equipment and Loading
13 14 Sail Numbers
23 Seaworthiness and Safety
14 15 Manual Power
24 Dayboats
15 deleted Was Index of Abbreviations.
Part D IRC, advertising not permitted
Now Appendix 1
25 Rules
16 deleted Was Spare
26 Advertising
17 13 Measurement and Compliance
18 16 Advertising Appendix 1 IRC Measurement Definitions and Abbreviations
19 9 Rating Review
20 10 Rating Protests
Part A RULE POLICY
21 deleted Was Spare
22 17 Boat Weight
1 INTRODUCTION
23 18 LWP and Draft
1.1 The Rule is in two parts, Part C, IRC, advertising permitted, and
24 19 Hull Appendages
Part D, IRC, advertising not permitted. IRC is a rating rule based
25 20 Engine and Propeller
upon owner-supplied information and will remain secret. The
26 21 Rig and Sails
emphasis is on simplicity and concise rules.
27 22 Equipment and Loading
28 23 Seaworthiness and Safety
2 FUNDAMENTAL POLICY
29 24 Dayboats
2.1 IRC is a system of measurement which classifies a broad range of
30 25 Rules (advertising not permitted)
cruising and racing ballasted monohull keel boats for competition
31 26 Advertising
by providing ratings comprising single figure allowances based
on time.
PREAMBLE
2.2 The IRC concept protects the existing IRC fleet.
Any changes herein have no authority until 1 January 2010.
2.3 IRC encourages design innovation consistent with stability,
IRC is a rating rule providing racing for 2 separate classes of boats. Part C
rounded performance, seaworthiness and safety.
permits advertising in accordance with ISAF Regulation 20, Advertising
2.4 IRC discourages unnecessary expense at all levels.
Code. Part D does not permit advertising. Organising Authorities should
2.5 The spirit of IRC requires that owners and designers shall not seek
specify in a Notice of Race either Part C or Part D. If neither is specified,
means of artificially reducing the rating of a boat, e.g. increasing
then by default Part C shall apply.
performance without a corresponding increase in rating.
2.6 Calculation of IRC ratings is secret and contains subjective
TERMINOLOGY
elements. Subjective judgement where exercised is the sole
A term used in its defined sense is printed in “bold” type if defined in the
responsibility of the Rating Authority (as defined in Rule 4.1).
ERS, in “italic” type if defined in the RRS and in “underscore” type if defined
2.7 IRC ratings may rely on owner submitted data (see Rules 8.4
in IRC Rules. Any abbreviation given in Appendix 1 is used in its defined
and 9) but a Rule Authority (as defined in Rule 4.1) may require
term unless specified otherwise.
that boats be weighed and measured by an appointed measurer

39
RULE TEXT.indd 39 27/11/09 10:18:44
Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64  |  Page 65  |  Page 66  |  Page 67  |  Page 68