Non Spin/HSFClub Certificate2025
ATURARSA-3786
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 Angles43.2°43.2°41.0°39.1°37.6°36.9°36.5°36.5°37.1°
Beat VMG2.443.404.194.765.085.225.325.425.42
52°3.815.186.196.807.107.257.347.457.49
60°4.065.466.436.987.277.447.547.677.73
75°4.205.626.587.117.447.687.858.078.19
90°4.055.476.487.097.467.768.038.438.70
110°3.454.835.966.787.297.688.068.789.50
120°3.194.525.666.547.127.537.918.699.63
135°2.683.915.035.966.697.197.578.329.15
150°2.223.304.325.185.966.607.077.758.47
Run VMG1.952.863.744.625.426.146.747.548.24
Gybe Angles144.5°144.5°145.7°173.9°175.7°176.6°178.0°179.1°179.1°
APH ToD:588.4CDL: 9.266APH ToT: 1.0196CertNo:ZAN013
BOAT
ClassJ-105DesignerJohnstoneBuilderJ BoatsAge date01/2006Series date01/1991Offset filej105.offData fileRSA3786
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.022 mDisplacement4,168 kgDLR4.8860IMS DivisionCruiser/RacerDynamic Allowance0.240%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight580 kg(declared)Minimum weight450 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.6634.34Headsail Luffed25.9725.97Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.20Heavy Weather Jib19.44
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ No 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
ATURARSA-3786
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 VMG1477.71058.4859.2756.7709.3689.5677.3664.8664.3
52°944.2694.6581.9529.1506.7496.8490.7483.3480.7
60°887.3659.9560.2515.7495.0484.0477.6469.2465.5
75°857.8641.1547.4506.1484.0469.0458.5446.3439.5
90°888.5658.0555.6508.1482.8464.0448.3426.8414.0
110°1042.9745.3603.8530.8493.5468.5446.8410.2378.9
120°1127.7795.9635.9550.7505.6478.3455.0414.2373.8
135°1340.9921.1715.9604.5538.2500.7475.7432.9393.4
150°1618.11090.6833.3694.7604.4545.5509.4464.3424.9
Run VMG1849.91259.3962.2779.8664.3586.5534.1477.7436.9
Selected Courses
Windward / Leeward1662.41158.8910.7768.2686.8638.0605.7571.2550.6
All purpose1241.4879.4705.8614.1563.2533.0512.3485.5466.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward725.40.8271
All purpose588.41.0196
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7756
Downwind "popa"0.7979
70% up, 30% down "Ilhabela"0.7822
30% up, 70% down "Ilhabela-inverso"0.7911
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Predominantly Upwind619.00.9694
Predominantly Downwind622.80.9635
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low792.60.7570
Triple Number AP Medium584.61.0264
Triple Number AP High507.41.1824
Triple Number Windward/Leeward Low1083.40.5538
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Single Number Predominant Upwind645.10.9301
Single Number Predominant Reaching591.01.0152
Single Number Predominant Downwind656.20.9143
Predominant Upwind - Low921.40.6512
Predominant Upwind - Low/Med687.20.8731
Predominant Upwind - Medium594.81.0087
Predominant Upwind - Med/High548.51.0940
Predominant Upwind - High528.41.1356
Predominant Downwind Low1030.60.5822
Predominant Downwind Low/Med729.10.8229
Predominant Downwind Medium594.41.0095
Predominant Downwind Med/High512.71.1702
Predominant Downwind High472.01.2713
Predominant Reaching Low862.00.6961
Predominant Reaching Low/Med637.60.9410
Predominant Reaching Medium544.91.1011
Predominant Reaching Med/High491.41.2210
Predominant Reaching High463.11.2957
SA/DSPL Upwind22.92SA/DSPL Downwind22.92
Scoring OptionTODTOT
5-Band Windward/Leeward Low1223.00.4906
5-Band Windward/Leeward Low/Med864.00.6945
5-Band Windward/Leeward Medium704.10.8522
5-Band Windward/Leeward Med/High612.20.9801
5-Band Windward/Leeward High573.61.0460
Windward/Leeward 60-40 Low1201.10.4995
Windward/Leeward 60-40 Low/Med857.20.6999
Windward/Leeward 60-40 Medium708.00.8475
Windward/Leeward 60-40 Med/High625.70.9589
Windward/Leeward 60-40 High592.31.0130
5-Band AP Low898.10.6681
5-Band AP Low/Med678.00.8850
5-Band AP Medium574.31.0448
5-Band AP Med/High515.61.1637
5-Band AP High486.81.2326
5-Band SF Bay Tour - Low1038.70.5777
5-Band SF Bay Tour - Low/Med820.80.7310
5-Band SF Bay Tour - Medium678.30.8846
5-Band SF Bay Tour - Med/High599.21.0013
5-Band SF Bay Tour - High564.91.0621
Chicago-Mac Upwind0.8989
Chicago-Mac All Purpose0.8917
Chicago-Mac Downwind0.8738
Bayview-Mac Cove Island0.6272
Bayview-Mac Shore0.6353
Harvest Moon Regatta511.11.1739
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance644.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating644.90.9303
FinRating, kevyt tuuli1205.80.8293
FinRating, kova tuuli490.31.0199
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9303
Triple Number Coastal/Long Distance Low0.7570
Triple Number Coastal/Long Distance Medium1.0265
Triple Number Coastal/Long Distance High1.1824
Triple Number Windward/Leeward Low0.5799
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
For information
General Purpose Handicap (GPH)667.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low792.6
Triple Number Coastal/Long Distance Medium584.5
Triple Number Coastal/Long Distance High507.4
Triple Number Windward/Leeward Low1034.7
Triple Number Windward/Leeward Medium720.4
Triple Number Windward/Leeward High600.8
Predominantly Upwind619.0
Predominantly Downwind622.8
Predominantly Reaching583.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7570
Triple Number Coastal/Long Distance Medium1.0265
Triple Number Coastal/Long Distance High1.1824
Triple Number Windward/Leeward Low0.5799
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9986
Coastal/Long Distance0.9303
Predominantly Upwind0.9694
Predominantly Downwind0.9635
For information
General Purpose Handicap (GPH)667.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0196
Distanseseilas Trippeltall svak vind0.7570
Distanseseilas Trippeltall mellomvind1.0265
Distanseseilas Trippeltall sterk vind1.1824
Pølsebane Trippeltall svak vind0.5799
Pølsebane Trippeltall mellomvind0.8329
Pølsebane Trippeltall sterk vind0.9986
Motvind Singeltall0.9694
Medvind Singeltall0.9635
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Coastal/Long Distance644.90.9303
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind619.00.9694
Predominantly Downwind622.80.9635
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore556.81.0776
Cape Doctor Coastal471.91.2714
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7570
Triple Number Coastal/Long Distance Medium1.0265
Triple Number Coastal/Long Distance High1.1824
Triple Number Windward/Leeward Low0.5799
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9986
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7570
Triple Number Coastal/Long Distance Medium1.0265
Triple Number Coastal/Long Distance High1.1824
Triple Number Windward/Leeward Low0.5799
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9986
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Predominantly Upwind619.00.9694
Predominantly Downwind622.80.9635
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.90.9303
Triple Number Coastal/Long Distance Low792.60.7570
Triple Number Coastal/Long Distance Medium584.51.0265
Triple Number Coastal/Long Distance High507.41.1824
Triple Number Windward/Leeward Low1034.70.5799
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1809.31168.9857.8693.5601.5553.9519.0466.9445.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low792.60.7570
Triple Number AP Medium584.61.0264
Triple Number AP High507.41.1824
Triple Number Windward/Leeward Low1083.40.5538
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High600.80.9986
Single Number Predominant Upwind645.10.9301
Single Number Predominant Reaching591.01.0152
Single Number Predominant Downwind656.20.9143
Predominant Upwind - Low921.40.6512
Predominant Upwind - Low/Med687.20.8731
Predominant Upwind - Medium594.81.0087
Predominant Upwind - Med/High548.51.0940
Predominant Upwind - High528.41.1356
Predominant Downwind Low1030.60.5822
Predominant Downwind Low/Med729.10.8229
Predominant Downwind Medium594.41.0095
Predominant Downwind Med/High512.71.1702
Predominant Downwind High472.01.2713
Predominant Reaching Low862.00.6961
Predominant Reaching Low/Med637.60.9410
Predominant Reaching Medium544.91.1011
Predominant Reaching Med/High491.41.2210
Predominant Reaching High463.11.2957
SA/DSPL Upwind22.92SA/DSPL Downwind22.92
Scoring OptionTODTOT
5-Band Windward/Leeward Low1223.00.4906
5-Band Windward/Leeward Low/Med864.00.6945
5-Band Windward/Leeward Medium704.10.8522
5-Band Windward/Leeward Med/High612.20.9801
5-Band Windward/Leeward High573.61.0460
Windward/Leeward 60-40 Low1201.10.4995
Windward/Leeward 60-40 Low/Med857.20.6999
Windward/Leeward 60-40 Medium708.00.8475
Windward/Leeward 60-40 Med/High625.70.9589
Windward/Leeward 60-40 High592.31.0130
5-Band AP Low898.10.6681
5-Band AP Low/Med678.00.8850
5-Band AP Medium574.31.0448
5-Band AP Med/High515.61.1637
5-Band AP High486.81.2326
5-Band SF Bay Tour - Low1038.70.5777
5-Band SF Bay Tour - Low/Med820.80.7310
5-Band SF Bay Tour - Medium678.30.8846
5-Band SF Bay Tour - Med/High599.21.0013
5-Band SF Bay Tour - High564.91.0621
Chicago-Mac Upwind0.8989
Chicago-Mac All Purpose0.8917
Chicago-Mac Downwind0.8738
Bayview-Mac Cove Island0.6272
Bayview-Mac Shore0.6353
Harvest Moon Regatta511.11.1739
Non Spin/HSFClub Certificate2025
ATURARSA-3786
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-105Measurement04/11/2015HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.344Draft2.022Displacement4,168Wetted area23.17IMS L9.667LSM09.483Acc. length10.570Sink (kg/mm) 17.30
VCGD0.100VCGM0.066RM Rated (kg·m) 90.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight638Declared crew weight580
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBW0.100PIPA0.0035
PSD0.025PHD0.053PHL0.140
PSA16.2°ESL0.980
ST10.021ST20.185ST30.215
ST40.048ST50.175
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P12.650IG12.000ISP13.880MDT10.100MDL10.140MDT2MDL2TLTaperMWGO
E4.450J4.110BAS1.550FSD0.040SFJSPLWPLTPS5.800BD0.127MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered90.3Flotation Date03/08/2022
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
ATURARSA-3786
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.901.682.8733.66
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ20.100.621.172.153.124.0812.24YesNo 25.9702/05/2025Grey10.520.921.774.1412.06NoNo 24.03
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.