Double HandedClub Certificate2025
KayoRSA-19
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°40.8°39.1°38.3°38.2°38.6°39.8°43.4°
Beat VMG2.213.043.694.114.274.324.334.254.12
52°3.454.625.425.886.076.136.166.176.14
60°3.674.855.606.036.246.326.366.416.40
75°3.815.005.736.146.416.606.696.816.85
90°3.714.915.706.146.446.726.947.197.34
110°3.214.435.385.996.386.737.067.748.21
120°3.004.195.175.856.276.626.977.758.96
135°2.573.694.685.455.996.356.697.418.54
150°2.133.154.104.925.586.056.397.047.84
Run VMG1.842.733.574.325.005.586.026.667.30
Gybe Angles148.4°148.4°153.4°160.4°170.0°176.8°179.0°179.0°179.0°
APH ToD:668.8CDL: 6.580APH ToT: 0.8971CertNo:ZAD082
BOAT
ClassL 26DesignerLavranosBuilderTon CupsAge date01/1985Series date01/1980Offset fileL26GHC.offData fileRSA19
HULL
Length Overall7.800 mMaximum Beam2.696 mDraft1.471 mDisplacement1,711 kgDLR5.5980IMS DivisionSportboatDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail17.4417.77Headsail Luffed18.0718.07Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.21Storm Jib3.41Heavy Weather Jib9.19
SAIL LIMITS
Headsails5Spinnakers0
✱ 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
KayoRSA-19
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 VMG1629.71183.8976.3875.6842.4832.5831.3846.9873.7
52°1043.0779.5664.5612.5593.5587.1584.2583.2586.2
60°980.5742.4642.4597.4577.4569.9565.9562.1562.3
75°944.4719.8627.8586.3561.3545.7538.1529.0525.2
90°970.6732.6632.0586.5558.7536.1518.9500.5490.4
110°1122.7812.1668.6600.7564.1535.2509.7464.9438.2
120°1202.0858.8696.7615.9574.3543.8516.7464.3402.0
135°1402.6976.5769.7660.4601.4566.6538.1485.8421.4
150°1688.61144.1877.1731.7645.2595.3563.5511.6459.2
Run VMG1951.91321.11009.8833.2719.9644.7597.7540.4493.0
Selected Courses
Windward / Leeward1787.21252.4993.0854.4781.2738.6714.5693.6683.4
All purpose1336.3958.7780.4689.7643.3616.2598.6576.2559.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward821.00.7308
All purpose668.80.8971
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6574
Downwind "popa"0.7412
70% up, 30% down "Ilhabela"0.6805
30% up, 70% down "Ilhabela-inverso"0.7139
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Predominantly Upwind713.20.8413
Predominantly Downwind691.90.8671
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low869.50.6900
Triple Number AP Medium663.50.9043
Triple Number AP High594.61.0091
Triple Number Windward/Leeward Low1175.70.5103
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Single Number Predominant Upwind742.50.8081
Single Number Predominant Reaching668.00.8982
Single Number Predominant Downwind727.40.8249
Predominant Upwind - Low1016.10.5905
Predominant Upwind - Low/Med776.50.7727
Predominant Upwind - Medium689.40.8704
Predominant Upwind - Med/High652.40.9197
Predominant Upwind - High642.00.9346
Predominant Downwind Low1103.30.5438
Predominant Downwind Low/Med795.60.7541
Predominant Downwind Medium664.60.9028
Predominant Downwind Med/High586.91.0223
Predominant Downwind High545.41.1002
Predominant Reaching Low938.80.6391
Predominant Reaching Low/Med711.50.8432
Predominant Reaching Medium621.50.9654
Predominant Reaching Med/High570.11.0525
Predominant Reaching High542.61.1059
SA/DSPL Upwind24.78SA/DSPL Downwind24.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1322.20.4538
5-Band Windward/Leeward Low/Med951.10.6309
5-Band Windward/Leeward Medium798.20.7516
5-Band Windward/Leeward Med/High720.70.8326
5-Band Windward/Leeward High695.50.8627
Windward/Leeward 60-40 Low1306.40.4593
Windward/Leeward 60-40 Low/Med951.20.6308
Windward/Leeward 60-40 Medium809.90.7409
Windward/Leeward 60-40 Med/High743.50.8069
Windward/Leeward 60-40 High726.10.8263
5-Band AP Low976.10.6147
5-Band AP Low/Med754.40.7953
5-Band AP Medium654.10.9173
5-Band AP Med/High601.60.9974
5-Band AP High577.11.0396
5-Band SF Bay Tour - Low1129.00.5314
5-Band SF Bay Tour - Low/Med907.80.6609
5-Band SF Bay Tour - Medium772.30.7769
5-Band SF Bay Tour - Med/High706.70.8490
5-Band SF Bay Tour - High684.00.8772
Chicago-Mac Upwind0.7856
Chicago-Mac All Purpose0.7935
Chicago-Mac Downwind0.7927
Bayview-Mac Cove Island0.5726
Bayview-Mac Shore0.5791
Harvest Moon Regatta579.51.0353
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance728.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8236
Triple Number Coastal/Long Distance Low0.6900
Triple Number Coastal/Long Distance Medium0.9044
Triple Number Coastal/Long Distance High1.0091
Triple Number Windward/Leeward Low0.5344
Triple Number Windward/Leeward Medium0.7384
Triple Number Windward/Leeward High0.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
For information
General Purpose Handicap (GPH)752.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low869.6
Triple Number Coastal/Long Distance Medium663.4
Triple Number Coastal/Long Distance High594.6
Triple Number Windward/Leeward Low1122.8
Triple Number Windward/Leeward Medium812.6
Triple Number Windward/Leeward High712.7
Predominantly Upwind713.2
Predominantly Downwind691.9
Predominantly Reaching656.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6900
Triple Number Coastal/Long Distance Medium0.9044
Triple Number Coastal/Long Distance High1.0091
Triple Number Windward/Leeward Low0.5344
Triple Number Windward/Leeward Medium0.7384
Triple Number Windward/Leeward High0.8419
Coastal/Long Distance0.8236
Predominantly Upwind0.8413
Predominantly Downwind0.8671
For information
General Purpose Handicap (GPH)752.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8971
Distanseseilas Trippeltall svak vind0.6900
Distanseseilas Trippeltall mellomvind0.9044
Distanseseilas Trippeltall sterk vind1.0091
Pølsebane Trippeltall svak vind0.5344
Pølsebane Trippeltall mellomvind0.7384
Pølsebane Trippeltall sterk vind0.8419
Motvind Singeltall0.8413
Medvind Singeltall0.8671
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Coastal/Long Distance728.50.8236
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind713.20.8413
Predominantly Downwind691.90.8671
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore686.40.8741
Cape Doctor Coastal564.31.0632
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6900
Triple Number Coastal/Long Distance Medium0.9044
Triple Number Coastal/Long Distance High1.0091
Triple Number Windward/Leeward Low0.5344
Triple Number Windward/Leeward Medium0.7384
Triple Number Windward/Leeward High0.8419
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6900
Triple Number Coastal/Long Distance Medium0.9044
Triple Number Coastal/Long Distance High1.0091
Triple Number Windward/Leeward Low0.5344
Triple Number Windward/Leeward Medium0.7384
Triple Number Windward/Leeward High0.8419
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Predominantly Upwind713.20.8413
Predominantly Downwind691.90.8671
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.50.8236
Triple Number Coastal/Long Distance Low869.60.6900
Triple Number Coastal/Long Distance Medium663.40.9044
Triple Number Coastal/Long Distance High594.61.0091
Triple Number Windward/Leeward Low1122.80.5344
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.81259.3936.8774.1686.1639.9604.9546.6521.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low869.50.6900
Triple Number AP Medium663.50.9043
Triple Number AP High594.61.0091
Triple Number Windward/Leeward Low1175.70.5103
Triple Number Windward/Leeward Medium812.60.7384
Triple Number Windward/Leeward High712.70.8419
Single Number Predominant Upwind742.50.8081
Single Number Predominant Reaching668.00.8982
Single Number Predominant Downwind727.40.8249
Predominant Upwind - Low1016.10.5905
Predominant Upwind - Low/Med776.50.7727
Predominant Upwind - Medium689.40.8704
Predominant Upwind - Med/High652.40.9197
Predominant Upwind - High642.00.9346
Predominant Downwind Low1103.30.5438
Predominant Downwind Low/Med795.60.7541
Predominant Downwind Medium664.60.9028
Predominant Downwind Med/High586.91.0223
Predominant Downwind High545.41.1002
Predominant Reaching Low938.80.6391
Predominant Reaching Low/Med711.50.8432
Predominant Reaching Medium621.50.9654
Predominant Reaching Med/High570.11.0525
Predominant Reaching High542.61.1059
SA/DSPL Upwind24.78SA/DSPL Downwind24.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1322.20.4538
5-Band Windward/Leeward Low/Med951.10.6309
5-Band Windward/Leeward Medium798.20.7516
5-Band Windward/Leeward Med/High720.70.8326
5-Band Windward/Leeward High695.50.8627
Windward/Leeward 60-40 Low1306.40.4593
Windward/Leeward 60-40 Low/Med951.20.6308
Windward/Leeward 60-40 Medium809.90.7409
Windward/Leeward 60-40 Med/High743.50.8069
Windward/Leeward 60-40 High726.10.8263
5-Band AP Low976.10.6147
5-Band AP Low/Med754.40.7953
5-Band AP Medium654.10.9173
5-Band AP Med/High601.60.9974
5-Band AP High577.11.0396
5-Band SF Bay Tour - Low1129.00.5314
5-Band SF Bay Tour - Low/Med907.80.6609
5-Band SF Bay Tour - Medium772.30.7769
5-Band SF Bay Tour - Med/High706.70.8490
5-Band SF Bay Tour - High684.00.8772
Chicago-Mac Upwind0.7856
Chicago-Mac All Purpose0.7935
Chicago-Mac Downwind0.7927
Bayview-Mac Cove Island0.5726
Bayview-Mac Shore0.5791
Harvest Moon Regatta579.51.0353
Double HandedClub Certificate2025
KayoRSA-19
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassL 26Measurement06/08/2021HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.800Max. Beam2.696Draft1.471Displacement1,711Wetted area13.26IMS L6.877LSM06.736Acc. length7.800Sink (kg/mm) 10.30
VCGD0.109VCGM0.036RM Rated (kg·m) 39.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P9.150IG8.250ISP8.285MDT10.086MDL10.124MDT20.086MDL20.074TL1.630MW0.124GO0.124
E3.250J2.960BAS1.150FSDNo FoilSFJ0.000SPL3.040WPLTPSBD0.107MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/08/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
KayoRSA-19
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.170.761.261.982.6517.44
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.060.571.112.203.294.398.20NoNo 18.07