Club 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 Angles43.4°43.4°41.5°39.7°38.1°37.4°37.2°38.0°40.2°
Beat VMG2.162.963.594.054.394.574.634.614.47
52°3.354.525.355.846.136.326.416.466.44
60°3.564.765.566.006.266.486.616.706.71
75°3.694.895.686.116.406.666.887.117.21
90°3.534.805.716.236.596.867.007.437.69
110°3.494.775.716.246.647.037.418.068.54
120°3.324.585.556.146.536.927.328.339.77
135°2.813.985.015.836.286.667.047.9610.01
150°2.353.424.415.275.946.346.697.438.55
Run VMG2.032.963.834.595.305.846.236.897.59
Gybe Angles148.3°148.3°152.3°154.3°162.0°172.3°178.1°177.9°176.6°
APH ToD:647.5CDL: 6.854APH ToT: 0.9267CertNo:ZAC082
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 Allowance0.270%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight420 kg(declared)Minimum weight290 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail17.4417.77Headsail Luffed18.0718.07Headsail FlyingSymmetric36.7136.71Asymmetric
STORM SAIL AREAS (m²)
Trysail5.21Storm Jib3.41Heavy Weather Jib9.19
SAIL LIMITS
Headsails5Spinnakers4
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.
Club 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 VMG1670.11214.41002.1888.9820.4787.8778.1780.5805.2
52°1075.2796.2672.5616.2587.3569.3561.8557.3559.2
60°1011.2757.0647.7600.4574.8555.5544.7537.2536.3
75°974.9735.5634.3589.2562.7540.8522.9506.7499.5
90°1019.1750.5631.0577.6546.5525.0514.3484.3468.3
110°1030.5754.1630.4576.8542.3512.4486.0446.5421.4
120°1084.6785.7648.9586.7551.4520.5491.7432.3368.4
135°1282.8903.4718.1617.5573.0540.7511.6452.3359.7
150°1529.71052.0816.3682.6606.5568.1538.0484.7420.9
Run VMG1773.31214.8940.7784.8679.2616.2577.4522.3474.6
Selected Courses
Windward / Leeward1719.21214.6971.4836.8749.8702.0677.8651.4639.9
All purpose1298.0934.2763.3675.0622.7591.2571.8543.7521.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward790.90.7586
All purpose647.50.9267
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6696
Downwind "popa"0.7872
70% up, 30% down "Ilhabela"0.7010
30% up, 70% down "Ilhabela-inverso"0.7478
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Predominantly Upwind697.70.8600
Predominantly Downwind663.60.9042
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low848.80.7069
Triple Number AP Medium644.10.9316
Triple Number AP High566.11.0598
Triple Number Windward/Leeward Low1142.40.5252
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Single Number Predominant Upwind726.30.8261
Single Number Predominant Reaching648.20.9257
Single Number Predominant Downwind694.40.8641
Predominant Upwind - Low1017.70.5895
Predominant Upwind - Low/Med772.50.7767
Predominant Upwind - Medium673.00.8916
Predominant Upwind - Med/High622.70.9636
Predominant Upwind - High604.90.9920
Predominant Downwind Low1047.20.5730
Predominant Downwind Low/Med760.40.7890
Predominant Downwind Medium636.90.9420
Predominant Downwind Med/High562.41.0669
Predominant Downwind High516.61.1615
Predominant Reaching Low921.10.6514
Predominant Reaching Low/Med694.20.8643
Predominant Reaching Medium602.70.9955
Predominant Reaching Med/High549.41.0921
Predominant Reaching High515.11.1647
SA/DSPL Upwind24.78SA/DSPL Downwind37.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1280.60.4685
5-Band Windward/Leeward Low/Med927.10.6472
5-Band Windward/Leeward Medium768.90.7804
5-Band Windward/Leeward Med/High683.40.8779
5-Band Windward/Leeward High654.00.9175
Windward/Leeward 60-40 Low1279.50.4689
Windward/Leeward 60-40 Low/Med935.00.6417
Windward/Leeward 60-40 Medium782.70.7666
Windward/Leeward 60-40 Med/High703.50.8529
Windward/Leeward 60-40 High680.00.8823
5-Band AP Low943.20.6362
5-Band AP Low/Med736.60.8146
5-Band AP Medium633.60.9470
5-Band AP Med/High574.61.0442
5-Band AP High544.71.1014
5-Band SF Bay Tour - Low1100.70.5451
5-Band SF Bay Tour - Low/Med887.00.6765
5-Band SF Bay Tour - Medium744.70.8057
5-Band SF Bay Tour - Med/High668.80.8971
5-Band SF Bay Tour - High639.90.9377
Chicago-Mac Upwind0.7983
Chicago-Mac All Purpose0.8174
Chicago-Mac Downwind0.8300
Bayview-Mac Cove Island0.5898
Bayview-Mac Shore0.5947
Harvest Moon Regatta561.51.0686
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance704.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8517
Triple Number Coastal/Long Distance Low0.7069
Triple Number Coastal/Long Distance Medium0.9317
Triple Number Coastal/Long Distance High1.0598
Triple Number Windward/Leeward Low0.5489
Triple Number Windward/Leeward Medium0.7640
Triple Number Windward/Leeward High0.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
For information
General Purpose Handicap (GPH)730.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low848.8
Triple Number Coastal/Long Distance Medium644.0
Triple Number Coastal/Long Distance High566.1
Triple Number Windward/Leeward Low1093.1
Triple Number Windward/Leeward Medium785.3
Triple Number Windward/Leeward High673.9
Predominantly Upwind697.7
Predominantly Downwind663.6
Predominantly Reaching635.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7069
Triple Number Coastal/Long Distance Medium0.9317
Triple Number Coastal/Long Distance High1.0598
Triple Number Windward/Leeward Low0.5489
Triple Number Windward/Leeward Medium0.7640
Triple Number Windward/Leeward High0.8903
Coastal/Long Distance0.8517
Predominantly Upwind0.8600
Predominantly Downwind0.9042
For information
General Purpose Handicap (GPH)730.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9267
Distanseseilas Trippeltall svak vind0.7069
Distanseseilas Trippeltall mellomvind0.9317
Distanseseilas Trippeltall sterk vind1.0598
Pølsebane Trippeltall svak vind0.5489
Pølsebane Trippeltall mellomvind0.7640
Pølsebane Trippeltall sterk vind0.8903
Motvind Singeltall0.8600
Medvind Singeltall0.9042
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Coastal/Long Distance704.50.8517
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind697.70.8600
Predominantly Downwind663.60.9042
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore643.30.9326
Cape Doctor Coastal528.21.1359
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7069
Triple Number Coastal/Long Distance Medium0.9317
Triple Number Coastal/Long Distance High1.0598
Triple Number Windward/Leeward Low0.5489
Triple Number Windward/Leeward Medium0.7640
Triple Number Windward/Leeward High0.8903
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7069
Triple Number Coastal/Long Distance Medium0.9317
Triple Number Coastal/Long Distance High1.0598
Triple Number Windward/Leeward Low0.5489
Triple Number Windward/Leeward Medium0.7640
Triple Number Windward/Leeward High0.8903
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Predominantly Upwind697.70.8600
Predominantly Downwind663.60.9042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance704.50.8517
Triple Number Coastal/Long Distance Low848.80.7069
Triple Number Coastal/Long Distance Medium644.00.9317
Triple Number Coastal/Long Distance High566.11.0598
Triple Number Windward/Leeward Low1093.10.5489
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1833.21214.6914.3757.2662.6613.1578.5518.0489.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low848.80.7069
Triple Number AP Medium644.10.9316
Triple Number AP High566.11.0598
Triple Number Windward/Leeward Low1142.40.5252
Triple Number Windward/Leeward Medium785.30.7640
Triple Number Windward/Leeward High673.90.8903
Single Number Predominant Upwind726.30.8261
Single Number Predominant Reaching648.20.9257
Single Number Predominant Downwind694.40.8641
Predominant Upwind - Low1017.70.5895
Predominant Upwind - Low/Med772.50.7767
Predominant Upwind - Medium673.00.8916
Predominant Upwind - Med/High622.70.9636
Predominant Upwind - High604.90.9920
Predominant Downwind Low1047.20.5730
Predominant Downwind Low/Med760.40.7890
Predominant Downwind Medium636.90.9420
Predominant Downwind Med/High562.41.0669
Predominant Downwind High516.61.1615
Predominant Reaching Low921.10.6514
Predominant Reaching Low/Med694.20.8643
Predominant Reaching Medium602.70.9955
Predominant Reaching Med/High549.41.0921
Predominant Reaching High515.11.1647
SA/DSPL Upwind24.78SA/DSPL Downwind37.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1280.60.4685
5-Band Windward/Leeward Low/Med927.10.6472
5-Band Windward/Leeward Medium768.90.7804
5-Band Windward/Leeward Med/High683.40.8779
5-Band Windward/Leeward High654.00.9175
Windward/Leeward 60-40 Low1279.50.4689
Windward/Leeward 60-40 Low/Med935.00.6417
Windward/Leeward 60-40 Medium782.70.7666
Windward/Leeward 60-40 Med/High703.50.8529
Windward/Leeward 60-40 High680.00.8823
5-Band AP Low943.20.6362
5-Band AP Low/Med736.60.8146
5-Band AP Medium633.60.9470
5-Band AP Med/High574.61.0442
5-Band AP High544.71.1014
5-Band SF Bay Tour - Low1100.70.5451
5-Band SF Bay Tour - Low/Med887.00.6765
5-Band SF Bay Tour - Medium744.70.8057
5-Band SF Bay Tour - Med/High668.80.8971
5-Band SF Bay Tour - High639.90.9377
Chicago-Mac Upwind0.7983
Chicago-Mac All Purpose0.8174
Chicago-Mac Downwind0.8300
Bayview-Mac Cove Island0.5898
Bayview-Mac Shore0.5947
Harvest Moon Regatta561.51.0686
Club 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 L7.082LSM06.736Acc. length7.800Sink (kg/mm) 10.30
VCGD0.193VCGM0.120RM Rated (kg·m) 37.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight392Declared crew weight420
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 entered directlyRM entered37.1Flotation Date11/08/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club 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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment08.288.288.285.325.3236.71