Double HandedClub Certificate2025
Metric 4TRSA-4654
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 Angles42.7°42.7°39.9°37.6°37.0°36.3°35.8°35.6°36.5°
Beat VMG3.414.555.305.725.966.116.236.346.28
52°5.356.917.758.108.348.528.688.908.93
60°5.777.318.048.398.668.899.079.359.44
75°6.217.728.358.859.219.469.7310.1610.43
90°6.237.798.519.129.6510.0810.4211.1111.64
110°5.757.368.289.069.8310.5811.3512.5313.56
120°5.196.877.978.739.6110.4611.3913.1414.60
135°4.095.837.278.209.019.9511.0713.6016.47
150°3.384.856.177.308.138.829.6211.7614.98
Run VMG2.924.205.356.327.057.648.3310.1912.97
Gybe Angles140.5°140.5°144.0°149.2°151.3°149.3°146.7°144.7°144.2°
APH ToD:457.8CDL: 12.070APH ToT: 1.3107CertNo:ZAD216
BOAT
ClassClass 40 OCD 40DesignerOwen Clarke DesignBuilderJazz MarineAge date01/2007Series date01/2005Offset fileCLASS40-RSA4654.offData fileRSA4654
HULL
Length Overall12.180 mMaximum Beam4.150 mDraft2.972 mDisplacement5,227 kgDLR3.1409IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.430m
CREW
Maximum weight170 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail73.7875.96Headsail Luffed39.4639.46Headsail Flying94.2094.20SymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail18.28Storm Jib12.30Heavy Weather Jib33.20
SAIL LIMITS
Headsails7Spinnakers0
✱ 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.
Double HandedClub Certificate2025
Metric 4TRSA-4654
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 VMG1054.8791.4678.7629.7604.3588.9578.0567.5573.7
52°672.5521.0464.4444.5431.6422.4414.9404.3403.2
60°623.5492.4447.7429.3415.9405.1396.8385.1381.2
75°579.3466.5431.1406.6391.0380.4370.0354.3345.1
90°577.8462.1423.2394.8372.9357.2345.5324.1309.2
110°625.8488.9435.0397.3366.1340.2317.3287.2265.6
120°693.8523.9451.6412.4374.6344.1316.0274.1246.6
135°880.7618.0495.0438.9399.6362.0325.1264.7218.6
150°1065.7742.2583.0493.1442.6408.0374.4306.0240.4
Run VMG1230.8857.0673.2569.4510.3471.1432.3353.4277.6
Selected Courses
Windward / Leeward1140.5824.2676.0599.5557.3530.0505.2460.4425.6
All purpose832.3620.7526.8478.0447.5425.3405.4372.4348.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward575.51.0427
All purpose457.81.3107
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9463
Downwind "popa"1.0862
70% up, 30% down "Ilhabela"0.9843
30% up, 70% down "Ilhabela-inverso"1.0401
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Predominantly Upwind496.31.2088
Predominantly Downwind469.21.2787
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low573.81.0457
Triple Number AP Medium458.81.3078
Triple Number AP High398.01.5076
Triple Number Windward/Leeward Low781.70.7675
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Single Number Predominant Upwind509.71.1771
Single Number Predominant Reaching444.91.3487
Single Number Predominant Downwind485.71.2352
Predominant Upwind - Low666.90.8997
Predominant Upwind - Low/Med535.81.1199
Predominant Upwind - Medium484.81.2376
Predominant Upwind - Med/High449.61.3346
Predominant Upwind - High427.01.4051
Predominant Downwind Low709.90.8452
Predominant Downwind Low/Med533.41.1248
Predominant Downwind Medium456.01.3158
Predominant Downwind Med/High393.71.5241
Predominant Downwind High343.11.7485
Predominant Reaching Low602.40.9959
Predominant Reaching Low/Med478.01.2551
Predominant Reaching Medium423.71.4160
Predominant Reaching Med/High379.11.5829
Predominant Reaching High345.41.7371
SA/DSPL Upwind37.39SA/DSPL Downwind55.47
Scoring OptionTODTOT
5-Band Windward/Leeward Low866.80.6922
5-Band Windward/Leeward Low/Med653.30.9184
5-Band Windward/Leeward Medium565.31.0614
5-Band Windward/Leeward Med/High506.21.1853
5-Band Windward/Leeward High462.11.2983
Windward/Leeward 60-40 Low859.20.6983
Windward/Leeward 60-40 Low/Med656.10.9145
Windward/Leeward 60-40 Medium574.21.0449
Windward/Leeward 60-40 Med/High521.01.1516
Windward/Leeward 60-40 High483.81.2402
5-Band AP Low625.40.9594
5-Band AP Low/Med511.71.1725
5-Band AP Medium452.01.3276
5-Band AP Med/High406.71.4752
5-Band AP High374.01.6043
5-Band SF Bay Tour - Low746.20.8041
5-Band SF Bay Tour - Low/Med622.00.9646
5-Band SF Bay Tour - Medium542.11.1067
5-Band SF Bay Tour - Med/High487.31.2314
5-Band SF Bay Tour - High447.71.3401
Chicago-Mac Upwind1.1428
Chicago-Mac All Purpose1.1703
Chicago-Mac Downwind1.1841
Bayview-Mac Cove Island0.8701
Bayview-Mac Shore0.8801
Harvest Moon Regatta386.01.5542
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance501.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating501.41.1966
FinRating, kevyt tuuli846.31.1817
FinRating, kova tuuli374.51.3352
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.1966
Triple Number Coastal/Long Distance Low1.0457
Triple Number Coastal/Long Distance Medium1.3080
Triple Number Coastal/Long Distance High1.5076
Triple Number Windward/Leeward Low0.7999
Triple Number Windward/Leeward Medium1.0445
Triple Number Windward/Leeward High1.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
For information
General Purpose Handicap (GPH)510.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low573.8
Triple Number Coastal/Long Distance Medium458.7
Triple Number Coastal/Long Distance High398.0
Triple Number Windward/Leeward Low750.1
Triple Number Windward/Leeward Medium574.4
Triple Number Windward/Leeward High494.6
Predominantly Upwind496.3
Predominantly Downwind469.2
Predominantly Reaching442.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0457
Triple Number Coastal/Long Distance Medium1.3080
Triple Number Coastal/Long Distance High1.5076
Triple Number Windward/Leeward Low0.7999
Triple Number Windward/Leeward Medium1.0445
Triple Number Windward/Leeward High1.2131
Coastal/Long Distance1.1966
Predominantly Upwind1.2088
Predominantly Downwind1.2787
For information
General Purpose Handicap (GPH)510.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.3107
Distanseseilas Trippeltall svak vind1.0457
Distanseseilas Trippeltall mellomvind1.3080
Distanseseilas Trippeltall sterk vind1.5076
Pølsebane Trippeltall svak vind0.7999
Pølsebane Trippeltall mellomvind1.0445
Pølsebane Trippeltall sterk vind1.2131
Motvind Singeltall1.2088
Medvind Singeltall1.2787
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Coastal/Long Distance501.41.1966
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind496.31.2088
Predominantly Downwind469.21.2787
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore436.11.3760
Cape Doctor Coastal355.81.6863
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0457
Triple Number Coastal/Long Distance Medium1.3080
Triple Number Coastal/Long Distance High1.5076
Triple Number Windward/Leeward Low0.7999
Triple Number Windward/Leeward Medium1.0445
Triple Number Windward/Leeward High1.2131
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0457
Triple Number Coastal/Long Distance Medium1.3080
Triple Number Coastal/Long Distance High1.5076
Triple Number Windward/Leeward Low0.7999
Triple Number Windward/Leeward Medium1.0445
Triple Number Windward/Leeward High1.2131
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Predominantly Upwind496.31.2088
Predominantly Downwind469.21.2787
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance501.41.1966
Triple Number Coastal/Long Distance Low573.81.0457
Triple Number Coastal/Long Distance Medium458.71.3080
Triple Number Coastal/Long Distance High398.01.5076
Triple Number Windward/Leeward Low750.10.7999
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1225.1827.5636.1540.1480.1443.1409.4352.3328.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low573.81.0457
Triple Number AP Medium458.81.3078
Triple Number AP High398.01.5076
Triple Number Windward/Leeward Low781.70.7675
Triple Number Windward/Leeward Medium574.41.0445
Triple Number Windward/Leeward High494.61.2131
Single Number Predominant Upwind509.71.1771
Single Number Predominant Reaching444.91.3487
Single Number Predominant Downwind485.71.2352
Predominant Upwind - Low666.90.8997
Predominant Upwind - Low/Med535.81.1199
Predominant Upwind - Medium484.81.2376
Predominant Upwind - Med/High449.61.3346
Predominant Upwind - High427.01.4051
Predominant Downwind Low709.90.8452
Predominant Downwind Low/Med533.41.1248
Predominant Downwind Medium456.01.3158
Predominant Downwind Med/High393.71.5241
Predominant Downwind High343.11.7485
Predominant Reaching Low602.40.9959
Predominant Reaching Low/Med478.01.2551
Predominant Reaching Medium423.71.4160
Predominant Reaching Med/High379.11.5829
Predominant Reaching High345.41.7371
SA/DSPL Upwind37.39SA/DSPL Downwind55.47
Scoring OptionTODTOT
5-Band Windward/Leeward Low866.80.6922
5-Band Windward/Leeward Low/Med653.30.9184
5-Band Windward/Leeward Medium565.31.0614
5-Band Windward/Leeward Med/High506.21.1853
5-Band Windward/Leeward High462.11.2983
Windward/Leeward 60-40 Low859.20.6983
Windward/Leeward 60-40 Low/Med656.10.9145
Windward/Leeward 60-40 Medium574.21.0449
Windward/Leeward 60-40 Med/High521.01.1516
Windward/Leeward 60-40 High483.81.2402
5-Band AP Low625.40.9594
5-Band AP Low/Med511.71.1725
5-Band AP Medium452.01.3276
5-Band AP Med/High406.71.4752
5-Band AP High374.01.6043
5-Band SF Bay Tour - Low746.20.8041
5-Band SF Bay Tour - Low/Med622.00.9646
5-Band SF Bay Tour - Medium542.11.1067
5-Band SF Bay Tour - Med/High487.31.2314
5-Band SF Bay Tour - High447.71.3401
Chicago-Mac Upwind1.1428
Chicago-Mac All Purpose1.1703
Chicago-Mac Downwind1.1841
Bayview-Mac Cove Island0.8701
Bayview-Mac Shore0.8801
Harvest Moon Regatta386.01.5542
Double HandedClub Certificate2025
Metric 4TRSA-4654
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassClass 40 OCD 40Measurement24/11/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.180Max. Beam4.150Draft2.972Displacement5,227Wetted area31.76IMS L11.930LSM011.849Acc. length12.180Sink (kg/mm) 24.99
VCGD-0.250VCGM-0.235RM Rated (kg·m) 220.8Limit of positive stability(°) N/AStability IndexN/ABLR index1.0611Default crew weight170Declared crew weight170
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.430PBW0.116PIPA0.0036
EDL1.090ST10.051ST20.170
ST30.200ST40.115ST50.232
RIG
Forestay tensionFixedInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesAdjustable mast footNoRunning backstays2Checkstays0Spreaders3Rotating mastNo
P17.310IG15.680ISP17.750MDT10.105MDL10.216MDT20.105MDL20.216TL0.000MW0.216GO0.216
E6.034J4.775BAS0.470FSD0.040SFJ0.213SPLWPLTPS6.717BD0.203MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.250Flotation Date24/11/2021
BALLAST
IdKindDescriptionWeightLCGVCGTCGAMovable6689.010.741.75
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGAMovable6689.010.741.75Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Metric 4TRSA-4654
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-22.322.483.394.475.2073.7814/02/2025Wh/Orange
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC5-10.061.472.925.607.979.8917.70NoYes094.2014/02/2025BlueC0-10.081.011.974.165.927.9217.70NoYes070.9014/02/2025JS-20.150.721.322.533.785.0315.48YesNo 39.4606/06/2025CharchoalJS-10.060.571.132.343.614.9715.44NoNo 37.1314/02/2025ST-20.090.530.971.922.893.9211.43NoInner 22.2614/02/2025