Club Certificate2025
DISCOVER65376
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles42.3°42.3°40.1°37.4°36.3°36.0°35.8°35.7°36.8°
Beat VMG2.753.774.545.005.175.265.305.355.29
52°4.305.686.556.937.087.167.217.287.26
60°4.595.956.717.067.247.347.407.507.51
75°4.756.106.817.187.447.617.717.897.99
90°4.585.966.777.237.557.798.018.318.55
110°4.145.646.727.287.738.128.479.119.79
120°3.985.476.567.177.648.118.589.7211.07
135°3.474.886.056.837.337.808.299.5312.09
150°2.874.135.286.246.907.367.808.7710.45
Run VMG2.483.584.575.426.136.687.127.939.05
Gybe Angles145.1°145.1°149.4°153.2°160.1°167.1°172.3°171.8°142.6°
APH ToD:550.8CDL: 9.152APH ToT: 1.0893CertNo:US65376
BOAT
ClassJ 33DesignerJohnstoneBuilderTPIAge date06/1989Series date01/1988Offset filej33.offData fileUS65376
HULL
Length Overall10.173 mMaximum Beam3.314 mDraft1.917 mDisplacement3,444 kgDLR5.1348IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight680 kg(declared)Minimum weight550 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail31.0931.79Headsail Luffed38.6938.69Headsail FlyingSymmetric76.4176.41Asymmetric67.8467.84 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail9.20Storm Jib9.22Heavy Weather Jib24.90
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
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
DISCOVER65376
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1308.9954.6792.9720.6696.0684.5678.6672.8680.9
52°838.2633.5549.4519.6508.4502.7499.3494.7495.7
60°784.7605.4536.2509.7496.9490.7486.6480.3479.2
75°757.5590.5528.6501.4483.9473.2466.9456.1450.5
90°785.6604.3532.1498.2477.1462.2449.6433.5421.1
110°869.5637.8535.7494.2465.6443.2424.8395.3367.8
120°903.4658.2548.5502.3470.9444.1419.7370.5325.3
135°1038.6737.0594.9527.5491.5461.4434.3377.6297.8
150°1255.9870.9681.7577.1521.8489.4461.5410.4344.5
Run VMG1450.41005.6787.2663.7587.8538.7505.7454.2397.8
Selected Courses
Windward / Leeward1378.3980.1790.0692.1641.9611.6592.2563.5539.4
All purpose1037.5756.5627.9566.8534.7514.3499.0473.5449.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward668.70.8973
All purpose550.81.0893
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8077
Downwind "popa"0.9245
70% up, 30% down "Ilhabela"0.8395
30% up, 70% down "Ilhabela-inverso"0.8861
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Predominantly Upwind590.11.0168
Predominantly Downwind563.91.0641
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low692.20.8668
Triple Number AP Medium548.11.0947
Triple Number AP High493.31.2163
Triple Number Windward/Leeward Low924.70.6488
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Single Number Predominant Upwind611.00.9820
Single Number Predominant Reaching549.01.0929
Single Number Predominant Downwind587.21.0217
Predominant Upwind - Low811.70.7392
Predominant Upwind - Low/Med635.50.9441
Predominant Upwind - Medium574.31.0447
Predominant Upwind - Med/High543.81.1033
Predominant Upwind - High527.11.1384
Predominant Downwind Low852.00.7042
Predominant Downwind Low/Med635.50.9442
Predominant Downwind Medium546.11.0988
Predominant Downwind Med/High487.71.2302
Predominant Downwind High445.81.3460
Predominant Reaching Low742.20.8084
Predominant Reaching Low/Med580.11.0343
Predominant Reaching Medium518.21.1580
Predominant Reaching Med/High478.21.2547
Predominant Reaching High449.11.3361
SA/DSPL Upwind30.47SA/DSPL Downwind46.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low1032.50.5811
5-Band Windward/Leeward Low/Med761.60.7878
5-Band Windward/Leeward Medium653.30.9184
5-Band Windward/Leeward Med/High594.81.0088
5-Band Windward/Leeward High564.31.0633
Windward/Leeward 60-40 Low1026.50.5845
Windward/Leeward 60-40 Low/Med764.70.7846
Windward/Leeward 60-40 Medium663.60.9042
Windward/Leeward 60-40 Med/High611.80.9807
Windward/Leeward 60-40 High586.51.0231
5-Band AP Low766.90.7824
5-Band AP Low/Med611.50.9812
5-Band AP Medium541.41.1083
5-Band AP Med/High500.31.1993
5-Band AP High473.71.2667
5-Band SF Bay Tour - Low887.80.6759
5-Band SF Bay Tour - Low/Med727.90.8243
5-Band SF Bay Tour - Medium631.80.9497
5-Band SF Bay Tour - Med/High580.11.0343
5-Band SF Bay Tour - High550.31.0902
Chicago-Mac Upwind0.9569
Chicago-Mac All Purpose0.9746
Chicago-Mac Downwind0.9852
Bayview-Mac Cove Island0.7245
Bayview-Mac Shore0.7310
Harvest Moon Regatta482.61.2432
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance596.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating596.81.0053
FinRating, kevyt tuuli1016.00.9843
FinRating, kova tuuli474.21.0544
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0053
Triple Number Coastal/Long Distance Low0.8668
Triple Number Coastal/Long Distance Medium1.0948
Triple Number Coastal/Long Distance High1.2163
Triple Number Windward/Leeward Low0.6779
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
For information
General Purpose Handicap (GPH)614.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low692.2
Triple Number Coastal/Long Distance Medium548.0
Triple Number Coastal/Long Distance High493.3
Triple Number Windward/Leeward Low885.1
Triple Number Windward/Leeward Medium663.4
Triple Number Windward/Leeward High586.3
Predominantly Upwind590.1
Predominantly Downwind563.9
Predominantly Reaching540.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8668
Triple Number Coastal/Long Distance Medium1.0948
Triple Number Coastal/Long Distance High1.2163
Triple Number Windward/Leeward Low0.6779
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0234
Coastal/Long Distance1.0053
Predominantly Upwind1.0168
Predominantly Downwind1.0641
For information
General Purpose Handicap (GPH)614.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0893
Distanseseilas Trippeltall svak vind0.8668
Distanseseilas Trippeltall mellomvind1.0948
Distanseseilas Trippeltall sterk vind1.2163
Pølsebane Trippeltall svak vind0.6779
Pølsebane Trippeltall mellomvind0.9044
Pølsebane Trippeltall sterk vind1.0234
Motvind Singeltall1.0168
Medvind Singeltall1.0641
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Coastal/Long Distance596.81.0053
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind590.11.0168
Predominantly Downwind563.91.0641
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore546.61.0977
Cape Doctor Coastal456.31.3148
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8668
Triple Number Coastal/Long Distance Medium1.0948
Triple Number Coastal/Long Distance High1.2163
Triple Number Windward/Leeward Low0.6779
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0234
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8668
Triple Number Coastal/Long Distance Medium1.0948
Triple Number Coastal/Long Distance High1.2163
Triple Number Windward/Leeward Low0.6779
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0234
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Predominantly Upwind590.11.0168
Predominantly Downwind563.91.0641
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.81.0053
Triple Number Coastal/Long Distance Low692.20.8668
Triple Number Coastal/Long Distance Medium548.01.0948
Triple Number Coastal/Long Distance High493.31.2163
Triple Number Windward/Leeward Low885.10.6779
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.5982.6747.0631.0568.1533.2504.2453.1427.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low692.20.8668
Triple Number AP Medium548.11.0947
Triple Number AP High493.31.2163
Triple Number Windward/Leeward Low924.70.6488
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High586.31.0234
Single Number Predominant Upwind611.00.9820
Single Number Predominant Reaching549.01.0929
Single Number Predominant Downwind587.21.0217
Predominant Upwind - Low811.70.7392
Predominant Upwind - Low/Med635.50.9441
Predominant Upwind - Medium574.31.0447
Predominant Upwind - Med/High543.81.1033
Predominant Upwind - High527.11.1384
Predominant Downwind Low852.00.7042
Predominant Downwind Low/Med635.50.9442
Predominant Downwind Medium546.11.0988
Predominant Downwind Med/High487.71.2302
Predominant Downwind High445.81.3460
Predominant Reaching Low742.20.8084
Predominant Reaching Low/Med580.11.0343
Predominant Reaching Medium518.21.1580
Predominant Reaching Med/High478.21.2547
Predominant Reaching High449.11.3361
SA/DSPL Upwind30.47SA/DSPL Downwind46.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low1032.50.5811
5-Band Windward/Leeward Low/Med761.60.7878
5-Band Windward/Leeward Medium653.30.9184
5-Band Windward/Leeward Med/High594.81.0088
5-Band Windward/Leeward High564.31.0633
Windward/Leeward 60-40 Low1026.50.5845
Windward/Leeward 60-40 Low/Med764.70.7846
Windward/Leeward 60-40 Medium663.60.9042
Windward/Leeward 60-40 Med/High611.80.9807
Windward/Leeward 60-40 High586.51.0231
5-Band AP Low766.90.7824
5-Band AP Low/Med611.50.9812
5-Band AP Medium541.41.1083
5-Band AP Med/High500.31.1993
5-Band AP High473.71.2667
5-Band SF Bay Tour - Low887.80.6759
5-Band SF Bay Tour - Low/Med727.90.8243
5-Band SF Bay Tour - Medium631.80.9497
5-Band SF Bay Tour - Med/High580.11.0343
5-Band SF Bay Tour - High550.31.0902
Chicago-Mac Upwind0.9569
Chicago-Mac All Purpose0.9746
Chicago-Mac Downwind0.9852
Bayview-Mac Cove Island0.7245
Bayview-Mac Shore0.7310
Harvest Moon Regatta482.61.2432
Club Certificate2025
DISCOVER65376
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 33Measurement21/11/2020HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.173Max. Beam3.314Draft1.917Displacement3,444Wetted area20.55IMS L9.095LSM08.752Acc. length10.173Sink (kg/mm) 15.40
VCGD-0.054VCGM-0.035RM Rated (kg·m) 82.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight569Declared crew weight680
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBW0.095PIPA0.0028
PSD0.025PHD0.040PHL0.135
PSA20.0°ESL0.732
ST10.016ST20.104ST30.104
ST40.049ST50.165
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays1Spreaders2Rotating mastNo
P11.882IG13.490ISP13.605MDT10.106MDL10.186MDT20.095MDL20.116TL2.550MW0.113GO0.138
E4.420J3.800BAS1.508FSD0.035SFJ0.000SPL4.020WPLTPS0.000BD0.145MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date28/08/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
DISCOVER65376
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-250.130.921.662.833.6931.0913/04/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.040.721.392.804.325.8613.47NoNo 38.6913/04/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentCode 2S13.2713.2713.276.916.9176.41SYM13.2813.2813.286.916.8076.2313/04/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentCode-1A14.1812.1413.166.036.8189%67.8413/04/2025Code 013.5212.2412.884.916.5375%56.18