IRC YEARBOOK 2009
SHW Spinnaker Half Width 26.6
10 SPARE
SLE Spinnaker Leech Length 26.6
SLU Spinnaker Luff Length 26.6
11 CHANGES TO CLASS RULES
SO Stern Overhang 23.1
11.1 Sailing Instructions may vary the requirements of IRC Rules 9.4.2,
SPA Maximum permitted spinnaker area 26.6.4
13.1, 19.6, 19.7, 19.8, 26.1.5 (d) and (e), 26.8.4, 27.4. No other IRC
SSS Stability and Safety Screen 28.2
Rules may be amended.
STL Spinnaker Tack Length 26.3 I
R
TCC IRC Time Corrector 16.2
12 UNITS OF MEASUREMENT AND CORRECTED TIMES
UNCL L’Union National Pour La Course Au Large 3.3
C
12.1 Measurements shall be taken in units of the metric system. Sail
x Overhang of Flying Bow Diagram 44
R
measurements shall be taken in metres to two decimal places.
y Height of Transom above Waterplane Diagram 44
U
All other linear measurements shall be in metres to three decimal
L
places. Weight shall be taken to the nearest kilogram except in the
16 SPARE
E
case of boat weight which shall be to the nearest 10 kilograms.
Normal mathematical conventions shall apply and full calculated
17 MEASUREMENT AND COMPLIANCE
2
values will be carried forward to subsequent calculations. Final
17.1 Measurement data shall be obtained by direct measurement or
0
ratings shall be rounded to three decimals places.
derived from another rating certificate, whenever possible.
0
12.2 The IRC rating is calculated as a Time Corrector (TCC) to three
17.2 Sails shall be measured in accordance with ERS Part III,
9
places of decimals. Corrected time for each boat is calculated
Measurement Rules, Section H5, Sail Measurement.
by multiplying its elapsed time by its TCC. Corrected times
17.3 The accuracy of measurements supplied shall be the owner's
shall be rounded to the nearest second with 0.5 seconds
responsibility. An IRC measurement service is available on
rounded upwards.
application to the Rating Authority or a boat's Rule Authority.
17.4 It is a breach of the Rules of IRC for any owner or individual to
13 SAIL NUMBERS
intentionally supply false information. Attention is drawn to Rule 9.7
13.1 Each boat shall hold a sail number as prescribed by its member
and to RRS 69, Allegations of Gross Misconduct.
national authority. Sail numbers shall be displayed in accordance
17.5 The Rating Authority will use the supplied data as a basis for rating
with RRS 77, Identification on Sails.
but reserves the right to overrule specific data or to standardise the
dimensions of a class of production boats.
14 MANUAL POWER
17.6 The Rating Authority or a boat's Rule Authority may require a boat to
14.1 RRS 52, Manual Power, shall not apply. This Rule may be amended
be submitted for measurement at any time without giving reasons.
by notice of race.
Measurement will be undertaken by authorised measurers of
14.2 Boats using stored power for the adjustment or operation of running
the Rating Authority. A new certificate will be issued by the Rating
rigging (eg backstays, runners, checkstays, sheets, guys, etc), but
Authority based on the new measurement data.
excluding the hoisting, reefing or furling of sails, shall declare this to
17.7 In the particular case of a boat issued with a one-design certificate,
the Rating Authority.
as noted on the certificate, the rating requires compliance with
one-design class rules. In the event of conflict, IRC Rules shall take
Part 3 IRC, advertising permitted
precedence. See also Rule 27.4.2.
15 INDEX OF ABBREVIATIONS
18 ADVERTISING
Rule Reference
18.1 Advertising may be displayed in accordance with ISAF Regulation
BO Bow Overhang 23.1
20, Advertising Code.
CHS Channel Handicap System 1.1
D Dayboat 29.1
19 RATING REVIEW
E Mainsail Foot Length on Boom 26.5
19.1 Review of a boat’s rating may be requested at any time by the owner
ERS The current version of the ISAF Equipment
who should submit a review request through their Rule Authority to
Rules Of Sailing 8.2
the Rating Authority. A fee may apply.
EY Mizzen Sail Foot Length on Boom Diagram 46
19.2 Anyone who has a valid interest in a boat's certificate may also
FL Forestay Length Diagram 46
request rating review from the Rating Authority, by submitting a
h Height of Flying Bow above Waterplane Diagram 46
review request through their Rule Authority to the Rating Authority.
HHB Largest Headsail Top Width 26.7
A fee may apply. The owner of the boat subject to review will be
HHW Half Width of largest area Headsail Diagram 46
requested to file a reply as soon as possible.
HTW Three-Quarter Width of largest area Headsail Diagram 46
19.3 The Rating Authority may also review the rating at any time.
HSA Headsail Area 26.7
19.4 Review shall be based on all the available evidence. Where
ISAF The International Sailing Federation 8.2
necessary, rated data shall be re-measured by an authorised
J Base of Foretriangle 26.3
measurer. The decision of the Rating Authority on any review shall
LL Luff Length of largest area Headsail Diagram 46
be final.
LLmax Longest Headsail Luff Length 26.7.1 19.5 For series produced boats, the rated data may have been
LLY Mizzen Staysail Luff Length Diagram 46 standardised by the Rating Authority. Standard data shall not be
LOA Length Overall 23.1 subject to third party review or protest. A rating review may be
LP Luff Perpendicular of largest area Headsail 26.3 requested by the manufacturer or the class association of a series
LPY Mizzen Staysail Luff Perpendicular produced boat. Modifications to standard data shall be declared by
Maximum Length Diagram 46 the owner.
LWP Length on Waterplane 23.0 19.6 Where the TCC is reviewed and found to be not more than 0.005
MHW Mainsail Half Width 26.5 greater than before, the contested rating shall be valid up to the
MTW Mainsail Three-quarter Width 26.5 date that the request for review was lodged with the Rating
MUW Mainsail Upper (7/8) Width 26.5 Authority except that if Rule 9.6 applies then from the date of
P Mainsail Hoist on Mast Diagram X the change.
PY Mizzen Sail Hoist on Mast Diagram X 19.7 Where the TCC is reviewed and found to be more than 0.005
RF Rig Factor 26.2 greater than before, the contested certificate is invalid from the
RORC The Royal Ocean Racing Club 3.3 date of issue.
RRS The Racing Rules of Sailing 8.2 19.8 In either case where the TCC is reviewed, the certificate becomes
SF Spinnaker Foot Length 26.6 invalid if any re-measurement which increases the boat’s rating
8
37
IRC 09 Rules P33-43_bs.indd 37 1/12/08 09:10:49
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