Club
Certificate
2024

Boat

BLACK SEAL

GBR 3159

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.7°40.3°38.7°38.0°37.8°37.6°37.7°38.6°
Beat VMG3.974.815.205.385.475.545.635.55
52°6.017.027.467.697.857.998.178.15
60°6.327.237.788.078.288.458.678.71
75°6.537.388.138.658.969.239.639.82
90°6.417.328.068.919.5810.0310.7611.25
110°6.507.628.398.969.5110.0311.9313.21
120°6.377.568.599.3910.0710.7312.0013.74
135°5.677.108.089.2210.5411.7713.6415.55
150°4.766.067.098.039.0310.2213.5616.94
Run VMG4.125.256.146.957.828.8511.7414.67
Gybe Angles142.4°145.6°148.9°149.4°145.9°144.5°145.2°149.6°
APH ToD:488.1CDL: 9.631APH ToT: 1.2291CertNo:US3159
BOAT
ClassCape 31DesignerMark MillsBuilderCape Performance Sailing PTY LTDAge date01/2023Series date01/2016Offset fileCAPE31.offData fileGBR 3159
HULL
Length Overall9.573 mMaximum Beam3.054 mDraft2.442 mDisplacement1,774 kgDLR2.6888IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.260%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.375m
CREW
Maximum weight560 kg(declared)Minimum weight430 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail36.8438.08Headsail Luffed24.0824.08Headsail FlyingSymmetricAsymmetric116.98116.98 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.88Storm Jib7.85Heavy Weather Jib21.19
SAIL LIMITS
Headsails6  Spinnakers5
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
Certificate
2024

Boat

BLACK SEAL

GBR 3159

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG907.6748.8691.9669.7657.9649.7639.3648.4
52°598.8513.1482.7468.3458.3450.7440.5441.8
60°569.5497.7462.6446.0434.8426.3415.1413.4
75°551.0487.9443.0416.2401.7389.9373.7366.7
90°561.5492.1446.8403.8375.6359.1334.7320.0
110°553.9472.8429.0401.7378.7359.0301.9272.5
120°564.9476.2419.1383.4357.6335.5300.0262.0
135°635.4507.3445.8390.4341.7306.0263.8231.5
150°756.7594.2508.0448.3398.5352.1265.5212.5
Run VMG873.8686.1586.6517.7460.1406.6306.6245.4
Selected Courses
Windward / Leeward890.7717.4639.3593.7559.0528.2472.9446.9
All purpose686.5568.7511.9475.8448.7426.6388.6369.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward610.50.9828
All purpose488.11.2291
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8459
Downwind "popa"1.0945
70% up, 30% down "Ilhabela"0.9078
30% up, 70% down "Ilhabela-inverso"1.0058
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Predominantly Upwind537.91.1155
Predominantly Downwind483.91.2399
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low627.60.9560
Triple Number AP Medium488.81.2274
Triple Number AP High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Single Number Predominant Upwind535.91.1196
Single Number Predominant Reaching460.21.3037
Single Number Predominant Downwind485.51.2359
Predominant Upwind - Low690.90.8684
Predominant Upwind - Low/Med586.71.0227
Predominant Upwind - Medium523.41.1463
Predominant Upwind - Med/High483.11.2419
Predominant Upwind - High460.81.3020
Predominant Downwind Low687.50.8728
Predominant Downwind Low/Med561.01.0694
Predominant Downwind Medium469.21.2787
Predominant Downwind Med/High392.71.5279
Predominant Downwind High341.11.7591
Predominant Reaching Low617.70.9714
Predominant Reaching Low/Med519.31.1553
Predominant Reaching Medium447.01.3421
Predominant Reaching Med/High390.81.5354
Predominant Reaching High358.31.6746
SA/DSPL Upwind41.50SA/DSPL Downwind104.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low851.40.7047
5-Band Windward/Leeward Low/Med697.10.8607
5-Band Windward/Leeward Medium600.30.9995
5-Band Windward/Leeward Med/High529.61.1330
5-Band Windward/Leeward High478.01.2553
Windward/Leeward 60-40 Low855.40.7014
Windward/Leeward 60-40 Low/Med705.80.8501
Windward/Leeward 60-40 Medium615.50.9748
Windward/Leeward 60-40 Med/High553.91.0833
Windward/Leeward 60-40 High510.91.1744
5-Band AP Low659.80.9094
5-Band AP Low/Med552.31.0863
5-Band AP Medium480.91.2477
5-Band AP Med/High428.11.4016
5-Band AP High391.81.5313
5-Band SF Bay Tour - Low808.20.7424
5-Band SF Bay Tour - Low/Med665.70.9013
5-Band SF Bay Tour - Medium576.91.0401
5-Band SF Bay Tour - Med/High513.81.1678
5-Band SF Bay Tour - High470.11.2763
Chicago-Mac Upwind1.0949
Chicago-Mac All Purpose1.1492
Chicago-Mac Downwind1.2105
Bayview-Mac Cove Island1.0683
Bayview-Mac Shore1.0772
Harvest Moon Regatta401.61.4941
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance532.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9560
Triple Number Coastal/Long Distance Medium1.2275
Triple Number Coastal/Long Distance High1.4358
Triple Number Windward/Leeward Low0.7462
Triple Number Windward/Leeward Medium0.9827
Triple Number Windward/Leeward High1.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low627.6
Triple Number Coastal/Long Distance Medium488.8
Triple Number Coastal/Long Distance High417.9
Triple Number Windward/Leeward Low804.1
Triple Number Windward/Leeward Medium610.6
Triple Number Windward/Leeward High515.2
Predominantly Upwind537.9
Predominantly Downwind483.9
Predominantly Reaching464.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9560
Triple Number Coastal/Long Distance Medium1.2275
Triple Number Coastal/Long Distance High1.4358
Triple Number Windward/Leeward Low0.7462
Triple Number Windward/Leeward Medium0.9827
Triple Number Windward/Leeward High1.1647
Coastal/Long Distance1.1279
Predominantly Upwind1.1155
Predominantly Downwind1.2399
For information
General Purpose Handicap (GPH)548.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9560
Tretall Distanseseilas Mellomvind1.2275
Tretall Distanseseilas Mye vind1.4358
Tretall Pølsebane Lite vind0.7462
Tretall Pølsebane Mellomvind0.9827
Tretall Pølsebane Mye vind1.1647
Distanseseilas ett tall1.2291
Enkeltall Motvind1.1155
Enkeltall Medvind1.2399
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Coastal/Long Distance532.01.1279
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind537.91.1155
Predominantly Downwind483.91.2399
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore454.71.3195
Cape Doctor Coastal375.01.6000
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9560
Triple Number Coastal/Long Distance Medium1.2275
Triple Number Coastal/Long Distance High1.4358
Triple Number Windward/Leeward Low0.7462
Triple Number Windward/Leeward Medium0.9827
Triple Number Windward/Leeward High1.1647
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9560
Triple Number Coastal/Long Distance Medium1.2275
Triple Number Coastal/Long Distance High1.4358
Triple Number Windward/Leeward Low0.7462
Triple Number Windward/Leeward Medium0.9827
Triple Number Windward/Leeward High1.1647
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Predominantly Upwind537.91.1155
Predominantly Downwind483.91.2399
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low627.60.9560
Triple Number Coastal/Long Distance Medium488.81.2275
Triple Number Coastal/Long Distance High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance889.0677.0576.0510.6467.4429.6366.8343.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low627.60.9560
Triple Number AP Medium488.81.2274
Triple Number AP High417.91.4358
Triple Number Windward/Leeward Low804.10.7462
Triple Number Windward/Leeward Medium610.60.9827
Triple Number Windward/Leeward High515.21.1647
Single Number Predominant Upwind535.91.1196
Single Number Predominant Reaching460.21.3037
Single Number Predominant Downwind485.51.2359
Predominant Upwind - Low690.90.8684
Predominant Upwind - Low/Med586.71.0227
Predominant Upwind - Medium523.41.1463
Predominant Upwind - Med/High483.11.2419
Predominant Upwind - High460.81.3020
Predominant Downwind Low687.50.8728
Predominant Downwind Low/Med561.01.0694
Predominant Downwind Medium469.21.2787
Predominant Downwind Med/High392.71.5279
Predominant Downwind High341.11.7591
Predominant Reaching Low617.70.9714
Predominant Reaching Low/Med519.31.1553
Predominant Reaching Medium447.01.3421
Predominant Reaching Med/High390.81.5354
Predominant Reaching High358.31.6746
SA/DSPL Upwind41.50SA/DSPL Downwind104.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low851.40.7047
5-Band Windward/Leeward Low/Med697.10.8607
5-Band Windward/Leeward Medium600.30.9995
5-Band Windward/Leeward Med/High529.61.1330
5-Band Windward/Leeward High478.01.2553
Windward/Leeward 60-40 Low855.40.7014
Windward/Leeward 60-40 Low/Med705.80.8501
Windward/Leeward 60-40 Medium615.50.9748
Windward/Leeward 60-40 Med/High553.91.0833
Windward/Leeward 60-40 High510.91.1744
5-Band AP Low659.80.9094
5-Band AP Low/Med552.31.0863
5-Band AP Medium480.91.2477
5-Band AP Med/High428.11.4016
5-Band AP High391.81.5313
5-Band SF Bay Tour - Low808.20.7424
5-Band SF Bay Tour - Low/Med665.70.9013
5-Band SF Bay Tour - Medium576.91.0401
5-Band SF Bay Tour - Med/High513.81.1678
5-Band SF Bay Tour - High470.11.2763
Chicago-Mac Upwind1.0949
Chicago-Mac All Purpose1.1492
Chicago-Mac Downwind1.2105
Bayview-Mac Cove Island1.0683
Bayview-Mac Shore1.0772
Harvest Moon Regatta401.61.4941

Club
Certificate
2024

Boat

BLACK SEAL

GBR 3159

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCape 31MeasurementHINZA-CPS31059E316Plan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.573Max. Beam3.054Draft2.442Displacement1,774Wetted area17.74IMS L9.321LSM08.704Acc. length9.573Sink (kg/mm) 14.03
VCGD-0.475VCGM-0.470RM Rated (kg·m) 74.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight565Declared crew weight560
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.375PBW0.100PIPA0.0036
EDL1.100ST10.065ST20.185
ST30.185ST40.110ST50.285
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.540IG12.509ISP13.809MDT10.110MDL10.210MDT20.098MDL20.140TL1.400MW0.200GO0.205
E4.500J3.585BAS1.213FSD0.030SFJ0.320SPLWPLTPS5.890BD0.160MWT79.50MCG4.720
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered74.5Flotation Date06/09/2022
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
1Fuel PVC Port centerline256.280.000.8400
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel PVC Port centerlineFuel2506.280.00Total deductible0
Total deductible

Club
Certificate
2024

Boat

BLACK SEAL

GBR 3159

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn-21.121.522.123.063.8136.8429/08/2023OUS153890-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJib0.130.591.051.952.853.7212.44YesNo 24.0830/04/2023OUS159890-004
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-115.6813.7014.699.509.7897%116.9813/09/2023OUS153890-007