Non Spin/HSFClub Certificate2025
DawnRSA-2498
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles45.6°45.6°43.6°42.7°42.6°42.6°43.0°44.8°48.6°
Beat VMG1.942.713.343.764.004.074.073.903.57
52°3.094.225.095.686.016.126.146.015.70
60°3.334.505.365.946.276.416.456.416.25
75°3.494.715.586.176.506.706.816.866.86
90°3.414.635.546.176.546.796.997.257.34
110°2.954.165.185.966.476.807.077.557.82
120°2.773.954.995.806.366.737.017.568.07
135°2.403.504.525.356.036.496.817.367.93
150°2.023.013.964.805.526.106.527.097.62
Run VMG1.752.613.444.204.905.526.056.767.27
Gybe Angles149.3°149.3°153.0°159.1°167.6°173.0°177.2°179.0°179.0°
APH ToD:688.9CDL: 6.838APH ToT: 0.8709CertNo:ZAN284
BOAT
ClassCaribbea 30DesignerDudley DixBuilderNebeAge date01/1992Series date01/1984Offset filec30_DV.offData fileRSA2498
HULL
Length Overall9.200 mMaximum Beam3.040 mDraft1.449 mDisplacement3,903 kgDLR7.0011IMS DivisionCruiser/RacerDynamic Allowance0.380%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.420m
CREW
Maximum weight100 kg(declared)Minimum weight100 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.7921.06Headsail Luffed27.8627.86Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.47Storm Jib7.88Heavy Weather Jib21.28
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
Non Spin/HSFClub Certificate2025
DawnRSA-2498
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1860.41328.91078.9957.3899.1883.8884.1924.11009.6
52°1166.1852.5707.8633.8599.1588.1586.0598.7631.1
60°1081.3799.6671.7605.6574.3561.4558.0561.9576.0
75°1031.9765.1644.9583.8553.6537.6528.7524.8525.1
90°1056.1777.1649.4583.7550.3530.2515.3496.7490.7
110°1221.6866.2695.3604.3556.7529.8509.3476.7460.4
120°1299.0910.3721.9620.9565.7535.3513.3476.4445.9
135°1501.31027.7796.6672.3597.5555.0528.9489.0454.2
150°1777.91194.8908.0749.8652.8590.1552.5508.0472.2
Run VMG2055.11379.71045.8856.3735.2652.2594.7532.9495.2
Selected Courses
Windward / Leeward1955.11354.31062.4906.8817.1768.0739.4728.5752.4
All purpose1462.51031.6824.4715.4655.5624.1606.4594.8602.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward864.40.6941
All purpose688.90.8709
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6038
Downwind "popa"0.7245
70% up, 30% down "Ilhabela"0.6356
30% up, 70% down "Ilhabela-inverso"0.6835
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Predominantly Upwind743.50.8070
Predominantly Downwind707.00.8487
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low928.00.6466
Triple Number AP Medium681.80.8801
Triple Number AP High606.50.9893
Triple Number Windward/Leeward Low1267.70.4733
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Single Number Predominant Upwind781.30.7679
Single Number Predominant Reaching686.00.8746
Single Number Predominant Downwind748.20.8020
Predominant Upwind - Low1111.10.5400
Predominant Upwind - Low/Med824.90.7274
Predominant Upwind - Medium713.80.8406
Predominant Upwind - Med/High670.60.8947
Predominant Upwind - High674.60.8894
Predominant Downwind Low1171.40.5122
Predominant Downwind Low/Med825.70.7266
Predominant Downwind Medium675.00.8889
Predominant Downwind Med/High588.71.0191
Predominant Downwind High554.01.0830
Predominant Reaching Low1004.60.5973
Predominant Reaching Low/Med737.60.8135
Predominant Reaching Medium627.90.9556
Predominant Reaching Med/High571.71.0495
Predominant Reaching High552.71.0857
SA/DSPL Upwind19.54SA/DSPL Downwind19.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low1432.20.4189
5-Band Windward/Leeward Low/Med1014.30.5915
5-Band Windward/Leeward Medium837.80.7161
5-Band Windward/Leeward Med/High749.00.8011
5-Band Windward/Leeward High734.50.8169
Windward/Leeward 60-40 Low1425.60.4209
Windward/Leeward 60-40 Low/Med1020.70.5878
Windward/Leeward 60-40 Medium854.30.7024
Windward/Leeward 60-40 Med/High777.60.7716
Windward/Leeward 60-40 High774.00.7752
5-Band AP Low1044.40.5745
5-Band AP Low/Med791.50.7580
5-Band AP Medium670.20.8953
5-Band AP Med/High611.60.9811
5-Band AP High598.21.0030
5-Band SF Bay Tour - Low1221.70.4911
5-Band SF Bay Tour - Low/Med968.80.6194
5-Band SF Bay Tour - Medium808.80.7418
5-Band SF Bay Tour - Med/High733.60.8179
5-Band SF Bay Tour - High724.70.8279
Chicago-Mac Upwind0.7432
Chicago-Mac All Purpose0.7601
Chicago-Mac Downwind0.7681
Bayview-Mac Cove Island0.5338
Bayview-Mac Shore0.5395
Harvest Moon Regatta581.11.0325
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance754.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating754.00.7957
FinRating, kevyt tuuli1409.80.7093
FinRating, kova tuuli601.50.8313
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7957
Triple Number Coastal/Long Distance Low0.6466
Triple Number Coastal/Long Distance Medium0.8802
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.4965
Triple Number Windward/Leeward Medium0.7016
Triple Number Windward/Leeward High0.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
For information
General Purpose Handicap (GPH)781.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low927.9
Triple Number Coastal/Long Distance Medium681.7
Triple Number Coastal/Long Distance High606.5
Triple Number Windward/Leeward Low1208.5
Triple Number Windward/Leeward Medium855.2
Triple Number Windward/Leeward High742.5
Predominantly Upwind743.5
Predominantly Downwind707.0
Predominantly Reaching668.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6466
Triple Number Coastal/Long Distance Medium0.8802
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.4965
Triple Number Windward/Leeward Medium0.7016
Triple Number Windward/Leeward High0.8081
Coastal/Long Distance0.7957
Predominantly Upwind0.8070
Predominantly Downwind0.8487
For information
General Purpose Handicap (GPH)781.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8709
Distanseseilas Trippeltall svak vind0.6466
Distanseseilas Trippeltall mellomvind0.8802
Distanseseilas Trippeltall sterk vind0.9893
Pølsebane Trippeltall svak vind0.4965
Pølsebane Trippeltall mellomvind0.7016
Pølsebane Trippeltall sterk vind0.8081
Motvind Singeltall0.8070
Medvind Singeltall0.8487
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Coastal/Long Distance754.00.7957
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind743.50.8070
Predominantly Downwind707.00.8487
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore745.20.8051
Cape Doctor Coastal600.40.9993
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6466
Triple Number Coastal/Long Distance Medium0.8802
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.4965
Triple Number Windward/Leeward Medium0.7016
Triple Number Windward/Leeward High0.8081
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6466
Triple Number Coastal/Long Distance Medium0.8802
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.4965
Triple Number Windward/Leeward Medium0.7016
Triple Number Windward/Leeward High0.8081
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Predominantly Upwind743.50.8070
Predominantly Downwind707.00.8487
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.00.7957
Triple Number Coastal/Long Distance Low927.90.6466
Triple Number Coastal/Long Distance Medium681.70.8802
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1208.50.4965
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2102.11356.8997.5812.0704.0649.2610.7555.4551.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low928.00.6466
Triple Number AP Medium681.80.8801
Triple Number AP High606.50.9893
Triple Number Windward/Leeward Low1267.70.4733
Triple Number Windward/Leeward Medium855.20.7016
Triple Number Windward/Leeward High742.50.8081
Single Number Predominant Upwind781.30.7679
Single Number Predominant Reaching686.00.8746
Single Number Predominant Downwind748.20.8020
Predominant Upwind - Low1111.10.5400
Predominant Upwind - Low/Med824.90.7274
Predominant Upwind - Medium713.80.8406
Predominant Upwind - Med/High670.60.8947
Predominant Upwind - High674.60.8894
Predominant Downwind Low1171.40.5122
Predominant Downwind Low/Med825.70.7266
Predominant Downwind Medium675.00.8889
Predominant Downwind Med/High588.71.0191
Predominant Downwind High554.01.0830
Predominant Reaching Low1004.60.5973
Predominant Reaching Low/Med737.60.8135
Predominant Reaching Medium627.90.9556
Predominant Reaching Med/High571.71.0495
Predominant Reaching High552.71.0857
SA/DSPL Upwind19.54SA/DSPL Downwind19.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low1432.20.4189
5-Band Windward/Leeward Low/Med1014.30.5915
5-Band Windward/Leeward Medium837.80.7161
5-Band Windward/Leeward Med/High749.00.8011
5-Band Windward/Leeward High734.50.8169
Windward/Leeward 60-40 Low1425.60.4209
Windward/Leeward 60-40 Low/Med1020.70.5878
Windward/Leeward 60-40 Medium854.30.7024
Windward/Leeward 60-40 Med/High777.60.7716
Windward/Leeward 60-40 High774.00.7752
5-Band AP Low1044.40.5745
5-Band AP Low/Med791.50.7580
5-Band AP Medium670.20.8953
5-Band AP Med/High611.60.9811
5-Band AP High598.21.0030
5-Band SF Bay Tour - Low1221.70.4911
5-Band SF Bay Tour - Low/Med968.80.6194
5-Band SF Bay Tour - Medium808.80.7418
5-Band SF Bay Tour - Med/High733.60.8179
5-Band SF Bay Tour - High724.70.8279
Chicago-Mac Upwind0.7432
Chicago-Mac All Purpose0.7601
Chicago-Mac Downwind0.7681
Bayview-Mac Cove Island0.5338
Bayview-Mac Shore0.5395
Harvest Moon Regatta581.11.0325
Non Spin/HSFClub Certificate2025
DawnRSA-2498
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCaribbea 30Measurement16/04/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.200Max. Beam3.040Draft1.449Displacement3,903Wetted area21.13IMS L8.159LSM08.229Acc. length9.200Sink (kg/mm) 15.29
VCGD0.194VCGM0.140RM Rated (kg·m) 80.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight521Declared crew weight100
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.420PBW0.120PIPA0.0182
EDL1.820ST10.050ST20.180
ST30.180ST40.112ST50.250
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P10.400IG12.386ISP12.391MDT10.120MDL10.165MDT2MDL2TLNo TaperMW0.165GO0.210
E3.550J3.370BAS1.616FSDFoilSFJ0.040SPL3.430WPLTPSBD0.120MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date25/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
DawnRSA-2498
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM1-10.130.651.182.112.8720.7916/04/2025Old
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-10.080.591.152.363.685.1011.36NoNo 27.8616/04/2025Roller Furling
CRUISER/RACER REQUIREMENTS*
Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity34 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.