Club Certificate2025
MwafakaNOR 15976
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles41.9°41.9°40.1°38.0°37.4°37.2°37.1°37.1°38.2°
Beat VMG2.192.983.583.984.164.234.284.354.31
52°3.344.465.215.625.886.016.126.286.33
60°3.524.655.375.796.146.326.466.676.78
75°3.624.765.475.966.456.837.077.457.68
90°3.724.925.726.296.647.147.668.348.87
110°3.764.995.856.637.448.018.529.6610.96
120°3.584.825.726.497.418.359.2910.9312.43
135°3.154.355.316.046.787.708.7212.4514.19
150°2.613.724.675.426.056.687.4810.3913.41
Run VMG2.263.224.054.695.245.796.489.0011.61
Gybe Angles145.8°145.8°148.6°151.2°150.4°146.6°145.7°137.6°143.5°
APH ToD:638.7CDL: 5.764APH ToT: 0.9394CertNo:674803
BOAT
ClassSeascape 18DesignerSamuelManuardYachtDesignBuilderSPBI SAAge dateSeries date01/2010Offset fileSEASC18.OD.OFFData file674803
HULL
Length Overall5.560 mMaximum Beam2.382 mDraft1.499 mDisplacement490 kgDLR2.8522IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight245 kg(default)Minimum weight130 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail14.3915.18Headsail Luffed8.468.46Headsail FlyingSymmetricAsymmetric32.6432.64 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail3.31Storm Jib2.23Heavy Weather Jib6.01
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
MwafakaNOR 15976
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1645.21206.61005.0904.0865.8852.0840.2828.0834.4
52°1079.3807.8691.2640.5612.7598.6587.8573.0568.7
60°1023.5774.6670.5622.0586.7569.7557.5539.4530.8
75°993.4756.8657.9603.8558.5527.0509.1483.1468.8
90°967.8732.3629.3572.1542.3504.2470.2431.4406.1
110°957.7721.7615.5542.8484.0449.2422.6372.8328.3
120°1004.9746.6629.0554.8485.5431.0387.5329.5289.6
135°1143.0826.9678.5596.5531.1467.3412.9289.1253.8
150°1380.1968.5770.2664.5595.5538.8481.1346.4268.5
Run VMG1593.21118.3889.4766.8687.4622.1555.5400.0310.0
Selected Courses
Windward / Leeward1617.81162.5947.2835.4776.6737.0697.8614.0572.2
All purpose1232.4903.6752.2671.7622.1585.8554.3494.9464.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward800.80.7493
All purpose638.70.9394
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6460
Downwind "popa"0.8334
70% up, 30% down "Ilhabela"0.6927
30% up, 70% down "Ilhabela-inverso"0.7667
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Predominantly Upwind708.30.8471
Predominantly Downwind642.40.9341
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low827.90.7248
Triple Number AP Medium640.50.9368
Triple Number AP High539.91.1113
Triple Number Windward/Leeward Low1100.10.5454
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Single Number Predominant Upwind730.50.8213
Single Number Predominant Reaching624.80.9603
Single Number Predominant Downwind660.60.9082
Predominant Upwind - Low997.70.6014
Predominant Upwind - Low/Med775.10.7741
Predominant Upwind - Medium687.60.8726
Predominant Upwind - Med/High630.60.9515
Predominant Upwind - High592.91.0120
Predominant Downwind Low982.10.6109
Predominant Downwind Low/Med737.60.8135
Predominant Downwind Medium623.80.9619
Predominant Downwind Med/High519.81.1543
Predominant Downwind High429.91.3956
Predominant Reaching Low882.10.6802
Predominant Reaching Low/Med682.70.8788
Predominant Reaching Medium592.81.0121
Predominant Reaching Med/High513.41.1687
Predominant Reaching High452.91.3247
SA/DSPL Upwind36.87SA/DSPL Downwind75.86
Scoring OptionTODTOT
5-Band Windward/Leeward Low1222.80.4907
5-Band Windward/Leeward Low/Med914.30.6562
5-Band Windward/Leeward Medium787.40.7620
5-Band Windward/Leeward Med/High696.90.8609
5-Band Windward/Leeward High621.30.9658
Windward/Leeward 60-40 Low1231.40.4872
Windward/Leeward 60-40 Low/Med927.10.6472
Windward/Leeward 60-40 Medium805.70.7447
Windward/Leeward 60-40 Med/High726.00.8264
Windward/Leeward 60-40 High663.20.9046
5-Band AP Low908.60.6604
5-Band AP Low/Med726.90.8254
5-Band AP Medium629.50.9532
5-Band AP Med/High555.31.0805
5-Band AP High499.91.2002
5-Band SF Bay Tour - Low1060.50.5658
5-Band SF Bay Tour - Low/Med875.00.6857
5-Band SF Bay Tour - Medium756.10.7935
5-Band SF Bay Tour - Med/High672.30.8925
5-Band SF Bay Tour - High605.40.9911
Chicago-Mac Upwind0.7949
Chicago-Mac All Purpose0.8324
Chicago-Mac Downwind0.8656
Bayview-Mac Cove Island0.6106
Bayview-Mac Shore0.6149
Harvest Moon Regatta520.11.1536
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance695.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating695.60.8625
FinRating, kevyt tuuli1200.10.8332
FinRating, kova tuuli498.51.0030
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8625
Triple Number Coastal/Long Distance Low0.7248
Triple Number Coastal/Long Distance Medium0.9369
Triple Number Coastal/Long Distance High1.1113
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7495
Triple Number Windward/Leeward High0.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
For information
General Purpose Handicap (GPH)718.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low827.8
Triple Number Coastal/Long Distance Medium640.4
Triple Number Coastal/Long Distance High539.9
Triple Number Windward/Leeward Low1054.9
Triple Number Windward/Leeward Medium800.5
Triple Number Windward/Leeward High676.2
Predominantly Upwind708.3
Predominantly Downwind642.4
Predominantly Reaching615.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7248
Triple Number Coastal/Long Distance Medium0.9369
Triple Number Coastal/Long Distance High1.1113
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7495
Triple Number Windward/Leeward High0.8873
Coastal/Long Distance0.8625
Predominantly Upwind0.8471
Predominantly Downwind0.9341
For information
General Purpose Handicap (GPH)718.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9394
Distanseseilas Trippeltall svak vind0.7248
Distanseseilas Trippeltall mellomvind0.9369
Distanseseilas Trippeltall sterk vind1.1113
Pølsebane Trippeltall svak vind0.5688
Pølsebane Trippeltall mellomvind0.7495
Pølsebane Trippeltall sterk vind0.8873
Motvind Singeltall0.8471
Medvind Singeltall0.9341
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Coastal/Long Distance695.60.8625
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind708.30.8471
Predominantly Downwind642.40.9341
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore584.71.0261
Cape Doctor Coastal473.61.2669
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7248
Triple Number Coastal/Long Distance Medium0.9369
Triple Number Coastal/Long Distance High1.1113
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7495
Triple Number Windward/Leeward High0.8873
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7248
Triple Number Coastal/Long Distance Medium0.9369
Triple Number Coastal/Long Distance High1.1113
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7495
Triple Number Windward/Leeward High0.8873
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Predominantly Upwind708.30.8471
Predominantly Downwind642.40.9341
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance695.60.8625
Triple Number Coastal/Long Distance Low827.80.7248
Triple Number Coastal/Long Distance Medium640.40.9369
Triple Number Coastal/Long Distance High539.91.1113
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1705.51158.1892.7754.3667.2609.7555.3461.0427.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low827.90.7248
Triple Number AP Medium640.50.9368
Triple Number AP High539.91.1113
Triple Number Windward/Leeward Low1100.10.5454
Triple Number Windward/Leeward Medium800.50.7495
Triple Number Windward/Leeward High676.20.8873
Single Number Predominant Upwind730.50.8213
Single Number Predominant Reaching624.80.9603
Single Number Predominant Downwind660.60.9082
Predominant Upwind - Low997.70.6014
Predominant Upwind - Low/Med775.10.7741
Predominant Upwind - Medium687.60.8726
Predominant Upwind - Med/High630.60.9515
Predominant Upwind - High592.91.0120
Predominant Downwind Low982.10.6109
Predominant Downwind Low/Med737.60.8135
Predominant Downwind Medium623.80.9619
Predominant Downwind Med/High519.81.1543
Predominant Downwind High429.91.3956
Predominant Reaching Low882.10.6802
Predominant Reaching Low/Med682.70.8788
Predominant Reaching Medium592.81.0121
Predominant Reaching Med/High513.41.1687
Predominant Reaching High452.91.3247
SA/DSPL Upwind36.87SA/DSPL Downwind75.86
Scoring OptionTODTOT
5-Band Windward/Leeward Low1222.80.4907
5-Band Windward/Leeward Low/Med914.30.6562
5-Band Windward/Leeward Medium787.40.7620
5-Band Windward/Leeward Med/High696.90.8609
5-Band Windward/Leeward High621.30.9658
Windward/Leeward 60-40 Low1231.40.4872
Windward/Leeward 60-40 Low/Med927.10.6472
Windward/Leeward 60-40 Medium805.70.7447
Windward/Leeward 60-40 Med/High726.00.8264
Windward/Leeward 60-40 High663.20.9046
5-Band AP Low908.60.6604
5-Band AP Low/Med726.90.8254
5-Band AP Medium629.50.9532
5-Band AP Med/High555.31.0805
5-Band AP High499.91.2002
5-Band SF Bay Tour - Low1060.50.5658
5-Band SF Bay Tour - Low/Med875.00.6857
5-Band SF Bay Tour - Medium756.10.7935
5-Band SF Bay Tour - Med/High672.30.8925
5-Band SF Bay Tour - High605.40.9911
Chicago-Mac Upwind0.7949
Chicago-Mac All Purpose0.8324
Chicago-Mac Downwind0.8656
Bayview-Mac Cove Island0.6106
Bayview-Mac Shore0.6149
Harvest Moon Regatta520.11.1536
Club Certificate2025
MwafakaNOR 15976
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSeascape 18MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA5.560Max. Beam2.382Draft1.499Displacement490Wetted area7.35IMS L5.578LSM05.558Acc. length5.560Sink (kg/mm) 6.28
VCGD0.084VCGM0.086RM Rated (kg·m) 12.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight245Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders0Rotating mastNo
P6.650IG6.670ISP6.970MDT10.078MDL10.080MDT20.000MDL20.000TL0.000MW0.000GO0.000
E2.840J2.420BAS1.110FSD0.000SFJ0.000SPL0.000WPLTPS3.700BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.084Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
MwafakaNOR 15976
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2023050914331.301.291.852.292.5914.3909/05/2023Main 2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2023050914570.090.440.761.291.792.296.78YesNo 8.4609/05/2023Jib 2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment306-2023050914588.556.757.655.055.4094%32.6409/05/2023Assy 2023
CRUISER/RACER REQUIREMENTS*
Accommodation length5.6 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity-4 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.