Double HandedClub 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 Angles41.7°41.7°39.7°37.8°38.2°38.1°37.8°38.0°39.7°
Beat VMG2.263.083.673.974.064.134.184.224.12
52°3.474.595.305.645.785.895.996.116.07
60°3.694.805.465.846.056.206.326.486.49
75°3.824.935.586.086.486.726.947.217.37
90°3.815.015.766.186.717.237.598.118.50
110°3.885.115.966.757.377.858.329.2510.22
120°3.714.965.866.687.628.399.0110.3611.74
135°3.244.475.436.207.068.069.2112.1113.62
150°2.663.804.795.536.216.977.8510.9013.82
Run VMG2.303.294.154.795.386.036.809.4411.97
Gybe Angles145.1°145.1°148.6°151.5°149.7°146.2°145.6°140.7°146.2°
APH ToD:635.2CDL: 5.618APH ToT: 0.9446CertNo: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 weight170 kg(default)Minimum weight120 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.
Double HandedClub 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 VMG1593.11169.1980.9907.7886.4872.7861.0852.4874.0
52°1036.4783.8679.1638.9623.0610.7600.7589.3593.6
60°976.0750.5659.7616.1594.9580.9569.5555.6554.7
75°942.7730.7645.4591.8555.1535.4519.1499.0488.2
90°945.9718.3625.4582.8536.8497.7474.5443.7423.5
110°927.0704.2604.2533.7488.6458.6432.9389.4352.2
120°971.6726.5614.7539.1472.7428.8399.4347.5306.6
135°1110.5806.2663.4580.7509.9446.6390.7297.2264.3
150°1354.7947.3752.1651.3580.0516.6458.8330.3260.4
Run VMG1563.11093.8868.5750.8669.7596.5529.8381.4300.7
Selected Courses
Windward / Leeward1576.81131.5924.7829.3778.0734.6695.4616.9587.3
All purpose1194.3879.2736.8665.9621.2585.9556.4504.2482.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward795.60.7541
All purpose635.20.9446
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6432
Downwind "popa"0.8588
70% up, 30% down "Ilhabela"0.6956
30% up, 70% down "Ilhabela-inverso"0.7803
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Predominantly Upwind707.80.8477
Predominantly Downwind629.30.9535
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low808.00.7426
Triple Number AP Medium637.00.9420
Triple Number AP High544.21.1026
Triple Number Windward/Leeward Low1073.50.5589
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Single Number Predominant Upwind729.40.8225
Single Number Predominant Reaching618.80.9696
Single Number Predominant Downwind648.70.9249
Predominant Upwind - Low970.30.6183
Predominant Upwind - Low/Med766.20.7831
Predominant Upwind - Medium690.40.8691
Predominant Upwind - Med/High638.60.9396
Predominant Upwind - High607.80.9871
Predominant Downwind Low958.70.6258
Predominant Downwind Low/Med724.10.8287
Predominant Downwind Medium612.40.9798
Predominant Downwind Med/High510.11.1762
Predominant Downwind High431.01.3922
Predominant Reaching Low861.20.6967
Predominant Reaching Low/Med674.30.8899
Predominant Reaching Medium587.41.0214
Predominant Reaching Med/High512.01.1719
Predominant Reaching High462.11.2985
SA/DSPL Upwind36.87SA/DSPL Downwind75.86
Scoring OptionTODTOT
5-Band Windward/Leeward Low1191.40.5036
5-Band Windward/Leeward Low/Med899.90.6668
5-Band Windward/Leeward Medium784.50.7648
5-Band Windward/Leeward Med/High695.70.8624
5-Band Windward/Leeward High625.40.9594
Windward/Leeward 60-40 Low1198.80.5005
Windward/Leeward 60-40 Low/Med913.60.6567
Windward/Leeward 60-40 Medium806.20.7442
Windward/Leeward 60-40 Med/High729.30.8227
Windward/Leeward 60-40 High671.80.8931
5-Band AP Low884.40.6785
5-Band AP Low/Med715.70.8383
5-Band AP Medium626.90.9570
5-Band AP Med/High558.01.0752
5-Band AP High509.41.1779
5-Band SF Bay Tour - Low1032.40.5812
5-Band SF Bay Tour - Low/Med861.30.6966
5-Band SF Bay Tour - Medium754.20.7955
5-Band SF Bay Tour - Med/High673.50.8908
5-Band SF Bay Tour - High613.10.9787
Chicago-Mac Upwind0.7982
Chicago-Mac All Purpose0.8408
Chicago-Mac Downwind0.8811
Bayview-Mac Cove Island0.6234
Bayview-Mac Shore0.6277
Harvest Moon Regatta516.51.1616
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance691.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating691.40.8678
FinRating, kevyt tuuli1169.50.8551
FinRating, kova tuuli509.10.9820
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8678
Triple Number Coastal/Long Distance Low0.7426
Triple Number Coastal/Long Distance Medium0.9420
Triple Number Coastal/Long Distance High1.1026
Triple Number Windward/Leeward Low0.5836
Triple Number Windward/Leeward Medium0.7533
Triple Number Windward/Leeward High0.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
For information
General Purpose Handicap (GPH)711.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low808.0
Triple Number Coastal/Long Distance Medium636.9
Triple Number Coastal/Long Distance High544.2
Triple Number Windward/Leeward Low1028.1
Triple Number Windward/Leeward Medium796.5
Triple Number Windward/Leeward High675.8
Predominantly Upwind707.8
Predominantly Downwind629.3
Predominantly Reaching606.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7426
Triple Number Coastal/Long Distance Medium0.9420
Triple Number Coastal/Long Distance High1.1026
Triple Number Windward/Leeward Low0.5836
Triple Number Windward/Leeward Medium0.7533
Triple Number Windward/Leeward High0.8879
Coastal/Long Distance0.8678
Predominantly Upwind0.8477
Predominantly Downwind0.9535
For information
General Purpose Handicap (GPH)711.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9446
Distanseseilas Trippeltall svak vind0.7426
Distanseseilas Trippeltall mellomvind0.9420
Distanseseilas Trippeltall sterk vind1.1026
Pølsebane Trippeltall svak vind0.5836
Pølsebane Trippeltall mellomvind0.7533
Pølsebane Trippeltall sterk vind0.8879
Motvind Singeltall0.8477
Medvind Singeltall0.9535
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Coastal/Long Distance691.40.8678
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind707.80.8477
Predominantly Downwind629.30.9535
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore596.21.0063
Cape Doctor Coastal488.61.2279
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7426
Triple Number Coastal/Long Distance Medium0.9420
Triple Number Coastal/Long Distance High1.1026
Triple Number Windward/Leeward Low0.5836
Triple Number Windward/Leeward Medium0.7533
Triple Number Windward/Leeward High0.8879
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7426
Triple Number Coastal/Long Distance Medium0.9420
Triple Number Coastal/Long Distance High1.1026
Triple Number Windward/Leeward Low0.5836
Triple Number Windward/Leeward Medium0.7533
Triple Number Windward/Leeward High0.8879
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Predominantly Upwind707.80.8477
Predominantly Downwind629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.40.8678
Triple Number Coastal/Long Distance Low808.00.7426
Triple Number Coastal/Long Distance Medium636.90.9420
Triple Number Coastal/Long Distance High544.21.1026
Triple Number Windward/Leeward Low1028.10.5836
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.01127.7872.3748.5667.2609.1559.0470.9443.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low808.00.7426
Triple Number AP Medium637.00.9420
Triple Number AP High544.21.1026
Triple Number Windward/Leeward Low1073.50.5589
Triple Number Windward/Leeward Medium796.50.7533
Triple Number Windward/Leeward High675.80.8879
Single Number Predominant Upwind729.40.8225
Single Number Predominant Reaching618.80.9696
Single Number Predominant Downwind648.70.9249
Predominant Upwind - Low970.30.6183
Predominant Upwind - Low/Med766.20.7831
Predominant Upwind - Medium690.40.8691
Predominant Upwind - Med/High638.60.9396
Predominant Upwind - High607.80.9871
Predominant Downwind Low958.70.6258
Predominant Downwind Low/Med724.10.8287
Predominant Downwind Medium612.40.9798
Predominant Downwind Med/High510.11.1762
Predominant Downwind High431.01.3922
Predominant Reaching Low861.20.6967
Predominant Reaching Low/Med674.30.8899
Predominant Reaching Medium587.41.0214
Predominant Reaching Med/High512.01.1719
Predominant Reaching High462.11.2985
SA/DSPL Upwind36.87SA/DSPL Downwind75.86
Scoring OptionTODTOT
5-Band Windward/Leeward Low1191.40.5036
5-Band Windward/Leeward Low/Med899.90.6668
5-Band Windward/Leeward Medium784.50.7648
5-Band Windward/Leeward Med/High695.70.8624
5-Band Windward/Leeward High625.40.9594
Windward/Leeward 60-40 Low1198.80.5005
Windward/Leeward 60-40 Low/Med913.60.6567
Windward/Leeward 60-40 Medium806.20.7442
Windward/Leeward 60-40 Med/High729.30.8227
Windward/Leeward 60-40 High671.80.8931
5-Band AP Low884.40.6785
5-Band AP Low/Med715.70.8383
5-Band AP Medium626.90.9570
5-Band AP Med/High558.01.0752
5-Band AP High509.41.1779
5-Band SF Bay Tour - Low1032.40.5812
5-Band SF Bay Tour - Low/Med861.30.6966
5-Band SF Bay Tour - Medium754.20.7955
5-Band SF Bay Tour - Med/High673.50.8908
5-Band SF Bay Tour - High613.10.9787
Chicago-Mac Upwind0.7982
Chicago-Mac All Purpose0.8408
Chicago-Mac Downwind0.8811
Bayview-Mac Cove Island0.6234
Bayview-Mac Shore0.6277
Harvest Moon Regatta516.51.1616
Double HandedClub 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 L5.559LSM05.558Acc. length5.560Sink (kg/mm) 6.28
VCGD0.084VCGM0.086RM Rated (kg·m) 12.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared 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
Double HandedClub 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.