International
Certificate
2023

Boat

M2

USA 38312

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
Beat Angles42.6°40.5°38.7°37.8°37.6°37.5°37.8°
Beat VMG3.874.725.195.375.465.525.56
52°5.886.907.427.667.837.948.07
60°6.187.127.718.048.258.398.57
75°6.387.277.978.608.949.199.53
90°6.227.237.918.729.509.9910.64
110°6.407.548.408.989.5310.0611.74
120°6.267.478.509.4010.0910.7612.06
135°5.546.997.969.0610.3511.6713.67
150°4.665.946.997.918.8810.0313.10
Run VMG4.045.146.066.857.698.6911.35
Gybe Angles142.6°145.6°148.7°149.2°146.0°145.1°143.8°

APH: 493.0

CDL: 9.645

GPH: 555.0

CertNo: US3831

BOAT
ClassCape 31DesignerMark MillsBuilderNoordhoekAge date06/2022Series date01/2016Offset fileCAPE31.offData fileUSA38312
HULL
Length Overall9.573 mMaximum Beam3.054 mDraft2.443 mDisplacement1,848 kgDLR2.7249IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.228%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.375m
CREW
Maximum weight682 kgMinimum weight512 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail35.8236.95Headsail Luffed24.3524.35Headsail FlyingSymmetricAsymmetric115.51115.51 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.85Storm Jib7.85Heavy Weather Jib21.19
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment72.7 kg·mStability Index109.7
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.
ORC Ref  03330002RV0Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

M2

USA 38312

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
Beat VMG930.1763.0693.9670.5659.1652.5647.7
52°612.7521.6485.1469.7460.1453.5446.3
60°582.3505.7467.0447.5436.4428.9420.1
75°564.0495.5451.6418.8402.8391.8377.6
90°578.6498.0455.0412.9379.0360.4338.3
110°562.2477.5428.6401.0377.8357.8306.5
120°574.8481.9423.7382.8356.7334.4298.5
135°649.4515.2452.3397.2347.8308.6263.3
150°772.4606.2514.8454.9405.6358.8274.8
Run VMG891.9700.0594.4525.3468.3414.3317.3
Selected Courses
Windward / Leeward911.0731.5644.1597.9563.7533.4482.5
All purpose702.0578.3516.6479.2451.6429.4394.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward617.10.9723
All purpose493.01.2171
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8372
Downwind "popa"1.0738
70% up, 30% down "Ilhabela"0.8965
30% up, 70% down "Ilhabela-inverso"0.9899
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Predominantly Upwind543.41.1042
Predominantly Downwind490.91.2222
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low640.20.9372
Triple Number All Purpose Medium493.01.2170
Triple Number All Purpose High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Predominantly Upwind543.41.1042
Predominantly Downwind490.91.2222
Predominantly Upwind Low712.50.8421
Predominantly Upwind Medium567.51.0573
Predominantly Upwind High528.91.1344
Predominantly Downwind Low697.50.8602
Predominantly Downwind Medium489.41.2259
Predominantly Downwind High367.31.6335
Chicago-Mac Upwind1.0842
Chicago-Mac All Purpose1.1353
Chicago-Mac Downwind1.1935
Bayview-Mac Cove Island1.0528
Bayview-Mac Shore1.0626
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching461.91.2989
Predominantly Reaching Low582.41.0302
Predominantly Reaching Medium461.11.3011
Predominantly Reaching High376.81.5924
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low897.20.6688
5-Band Low / Medium752.70.7971
5-Band Medium605.50.9909
5-Band Medium / High535.41.1208
5-Band High491.31.2213
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance537.6
Triple Number Coastal/Long Distance Low640.2
Triple Number Coastal/Long Distance Medium493.0
Triple Number Coastal/Long Distance High421.8
Triple Number Windward/Leeward Low821.2
Triple Number Windward/Leeward Medium615.9
Triple Number Windward/Leeward High521.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.2170
Triple Number Coastal/Long Distance High1.4226
Triple Number Windward/Leeward Low0.7306
Triple Number Windward/Leeward Medium0.9742
Triple Number Windward/Leeward High1.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low640.2
Triple Number Coastal/Long Distance Medium493.0
Triple Number Coastal/Long Distance High421.8
Triple Number Windward/Leeward Low821.2
Triple Number Windward/Leeward Medium615.9
Triple Number Windward/Leeward High521.9
Predominantly Upwind543.4
Predominantly Downwind490.9
Predominantly Reaching470.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.2170
Triple Number Coastal/Long Distance High1.4226
Triple Number Windward/Leeward Low0.7306
Triple Number Windward/Leeward Medium0.9742
Triple Number Windward/Leeward High1.1497
Coastal/Long Distance1.1161
Predominantly Upwind1.1042
Predominantly Downwind1.2222
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9372
Tretall Distanseseilas Mellomvind1.2170
Tretall Distanseseilas Mye vind1.4226
Tretall Pølsebane Lite vind0.7306
Tretall Pølsebane Mellomvind0.9742
Tretall Pølsebane Mye vind1.1497
Distanseseilas ett tall (OSN 8-16kn)1.1161
Distanseseilas ett tall (APH 6-20kn)1.2171
Enkeltall Motvind1.1042
Enkeltall Medvind1.2222
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Coastal/Long Distance537.61.1161
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind543.41.1042
Predominantly Downwind490.91.2222
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore497.71.2055
Cape Doctor Coastal404.81.4823
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.2170
Triple Number Coastal/Long Distance High1.4226
Triple Number Windward/Leeward Low0.7306
Triple Number Windward/Leeward Medium0.9742
Triple Number Windward/Leeward High1.1497
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.2170
Triple Number Coastal/Long Distance High1.4226
Triple Number Windward/Leeward Low0.7306
Triple Number Windward/Leeward Medium0.9742
Triple Number Windward/Leeward High1.1497
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Predominantly Upwind543.41.1042
Predominantly Downwind490.91.2222
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.61.1161
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium493.01.2170
Triple Number Coastal/Long Distance High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance909.1689.8581.0514.0470.3432.5371.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low640.20.9372
Triple Number All Purpose Medium493.01.2170
Triple Number All Purpose High421.81.4226
Triple Number Windward/Leeward Low821.20.7306
Triple Number Windward/Leeward Medium615.90.9742
Triple Number Windward/Leeward High521.91.1497
Predominantly Upwind543.41.1042
Predominantly Downwind490.91.2222
Predominantly Upwind Low712.50.8421
Predominantly Upwind Medium567.51.0573
Predominantly Upwind High528.91.1344
Predominantly Downwind Low697.50.8602
Predominantly Downwind Medium489.41.2259
Predominantly Downwind High367.31.6335
Chicago-Mac Upwind1.0842
Chicago-Mac All Purpose1.1353
Chicago-Mac Downwind1.1935
Bayview-Mac Cove Island1.0528
Bayview-Mac Shore1.0626
Harvest Moon Regatta405.71.4790
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy508.71.1796
San Francisco Bay Medium602.10.9965
Predominantly Reaching461.91.2989
Predominantly Reaching Low582.41.0302
Predominantly Reaching Medium461.11.3011
Predominantly Reaching High376.81.5924
Windward/Leeward 60-40 Low826.30.7261
Windward/Leeward 60-40 Medium638.80.9393
Windward/Leeward 60-40 High566.31.0596
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low897.20.6688
5-Band Low / Medium752.70.7971
5-Band Medium605.50.9909
5-Band Medium / High535.41.1208
5-Band High491.31.2213
ORC Ref  03330002RV0Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

M2

USA 38312

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCape 31Measurement06/09/2022HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.573Max. Beam3.054Draft2.443Displacement1,848Wetted area18.20IMS L9.370LSM08.785Acc. length9.573Sink (kg/mm) 14.56
VCGD-0.271VCGM-0.271RM Rated (kg·m) 72.7Limit of positive stability(°) 116.1Stability Index109.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.375PBW0.100PIPA0.0037
EDL1.100ST10.065ST20.185
ST30.185ST40.110ST50.285
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.496IG12.509ISP13.809MDT10.110MDL10.210MDT20.098MDL20.140TL1.400MW0.200GO0.205
E4.500J3.585BAS1.213FSD0.030SFJ0.290SPLWPLTPS5.890BD0.160MWT79.50MCG4.720
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date06/09/2022MeasurerComment
SFFP0.633FFM0.842FF0.842LCFcl5.262SG1.0220
SAFP9.573FAM0.666FA0.669LCFsh5.444HBI0.923
W156.5W256.5W356.5W456.5LCFD5.255
PD1266.1PD2265.8PD3266.5PD4266.8
WD4.384PLM9000.00GSA1.0RSA1.0RM73.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel PVC Port centerlineFuel25196.280.00Total deductible166.280.00
Total deductible
ORC Ref  03330002RV0Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

M2

USA 38312

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-21.081.472.032.953.7435.8223/08/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ2-230.120.621.111.972.853.7212.47YesNo 24.3523/08/2023L/M-10.120.611.111.992.863.7112.43YesNo 24.3203/08/2022J4-10.140.571.021.872.763.6911.46YesNo 21.6103/08/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA215.8813.4514.679.2510.2690%115.5103/08/2022A1.515.8013.7814.798.979.5394%111.9403/08/2022A415.9013.5414.728.539.6089%107.2603/08/2022
ORC Ref  03330002RV0Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org