Club
Certificate
2024

Boat

BLUE

USA 64

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 Angles42.6°40.3°38.2°36.9°36.6°36.5°36.6°38.0°
Beat VMG3.504.274.795.015.105.155.195.10
52°5.296.226.736.957.057.117.207.19
60°5.536.426.887.137.267.367.477.48
75°5.676.546.997.367.627.777.988.09
90°5.766.697.027.387.788.118.558.81
110°5.906.887.447.818.138.449.039.61
120°5.766.817.458.038.518.939.8010.85
135°5.156.387.137.788.479.2911.5213.45
150°4.375.516.447.087.578.1410.0813.61
Run VMG3.784.775.586.136.557.058.7311.79
Gybe Angles143.9°147.6°148.9°149.7°147.4°145.0°140.6°145.6°
APH ToD:552.8CDL: 8.607APH ToT: 1.0854CertNo:USA64-88
BOAT
ClassJ 88DesignerJOHNSTONEBuilderCCF COMPOSITESAge date06/2014Series date02/2014Offset fileJ-88.offData fileUSA 64-88
HULL
Length Overall8.957 mMaximum Beam2.854 mDraft1.958 mDisplacement2,345 kgDLR4.2216IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.325%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.358m
CREW
Maximum weight520 kg(default)Minimum weight390 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail26.6727.35Headsail Luffed21.3921.39Headsail FlyingSymmetricAsymmetric93.8993.89 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.20Storm Jib7.03Heavy Weather Jib18.98
SAIL LIMITS
Headsails5  Spinnakers4
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

BLUE

USA 64

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 VMG1028.2843.9752.0719.2706.2698.7693.1705.3
52°681.0578.5535.0518.3511.0506.0500.1500.9
60°650.5561.1523.6504.6495.6489.4481.7481.6
75°634.6550.8514.8489.4472.7463.5451.1445.0
90°624.8538.2513.1487.6462.9443.8421.3408.6
110°610.3523.4483.9460.7442.7426.7398.5374.4
120°625.0528.4483.0448.1422.8403.0367.2331.9
135°699.5564.2504.7462.7424.9387.5312.5267.6
150°824.6653.4558.8508.6475.6442.5357.1264.5
Run VMG952.2754.4645.2587.3549.2510.9412.4305.4
Selected Courses
Windward / Leeward990.2799.2698.6653.3627.7604.8552.7505.4
All purpose766.4633.8570.2537.2515.5497.1461.4433.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward678.80.8839
All purpose552.81.0854
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7719
Downwind "popa"0.9520
70% up, 30% down "Ilhabela"0.8183
30% up, 70% down "Ilhabela-inverso"0.8897
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Predominantly Upwind601.40.9978
Predominantly Downwind554.61.0819
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low700.10.8570
Triple Number AP Medium550.91.0891
Triple Number AP High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Single Number Predominant Upwind600.01.0000
Single Number Predominant Reaching528.31.1356
Single Number Predominant Downwind555.71.0797
Predominant Upwind - Low776.20.7730
Predominant Upwind - Low/Med654.20.9172
Predominant Upwind - Medium584.31.0268
Predominant Upwind - Med/High546.81.0973
Predominant Upwind - High524.51.1440
Predominant Downwind Low759.80.7897
Predominant Downwind Low/Med625.30.9595
Predominant Downwind Medium539.01.1132
Predominant Downwind Med/High472.91.2689
Predominant Downwind High413.81.4500
Predominant Reaching Low687.10.8732
Predominant Reaching Low/Med582.41.0303
Predominant Reaching Medium516.51.1617
Predominant Reaching Med/High466.21.2870
Predominant Reaching High428.51.4003
SA/DSPL Upwind27.16SA/DSPL Downwind68.11
Scoring OptionTODTOT
5-Band Windward/Leeward Low946.80.6337
5-Band Windward/Leeward Low/Med770.30.7789
5-Band Windward/Leeward Medium664.60.9029
5-Band Windward/Leeward Med/High603.90.9935
5-Band Windward/Leeward High553.51.0839
Windward/Leeward 60-40 Low954.70.6285
Windward/Leeward 60-40 Low/Med780.30.7690
Windward/Leeward 60-40 Medium677.80.8852
Windward/Leeward 60-40 Med/High623.30.9627
Windward/Leeward 60-40 High582.11.0308
5-Band AP Low736.30.8149
5-Band AP Low/Med616.70.9730
5-Band AP Medium543.71.1035
5-Band AP Med/High497.61.2059
5-Band AP High462.71.2966
5-Band SF Bay Tour - Low900.80.6661
5-Band SF Bay Tour - Low/Med737.10.8140
5-Band SF Bay Tour - Medium639.40.9383
5-Band SF Bay Tour - Med/High583.51.0283
5-Band SF Bay Tour - High539.61.1119
Chicago-Mac Upwind0.9817
Chicago-Mac All Purpose1.0187
Chicago-Mac Downwind1.0638
Bayview-Mac Cove Island0.9477
Bayview-Mac Shore0.9536
Harvest Moon Regatta476.61.2589
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance599.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8570
Triple Number Coastal/Long Distance Medium1.0892
Triple Number Coastal/Long Distance High1.2287
Triple Number Windward/Leeward Low0.6706
Triple Number Windward/Leeward Medium0.8900
Triple Number Windward/Leeward High1.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low700.1
Triple Number Coastal/Long Distance Medium550.9
Triple Number Coastal/Long Distance High488.3
Triple Number Windward/Leeward Low894.7
Triple Number Windward/Leeward Medium674.2
Triple Number Windward/Leeward High591.0
Predominantly Upwind601.4
Predominantly Downwind554.6
Predominantly Reaching534.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8570
Triple Number Coastal/Long Distance Medium1.0892
Triple Number Coastal/Long Distance High1.2287
Triple Number Windward/Leeward Low0.6706
Triple Number Windward/Leeward Medium0.8900
Triple Number Windward/Leeward High1.0152
Coastal/Long Distance1.0003
Predominantly Upwind0.9978
Predominantly Downwind1.0819
For information
General Purpose Handicap (GPH)618.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8570
Tretall Distanseseilas Mellomvind1.0892
Tretall Distanseseilas Mye vind1.2287
Tretall Pølsebane Lite vind0.6706
Tretall Pølsebane Mellomvind0.8900
Tretall Pølsebane Mye vind1.0152
Distanseseilas ett tall1.0854
Enkeltall Motvind0.9978
Enkeltall Medvind1.0819
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Coastal/Long Distance599.81.0003
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind601.40.9978
Predominantly Downwind554.61.0819
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore519.61.1548
Cape Doctor Coastal441.71.3584
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8570
Triple Number Coastal/Long Distance Medium1.0892
Triple Number Coastal/Long Distance High1.2287
Triple Number Windward/Leeward Low0.6706
Triple Number Windward/Leeward Medium0.8900
Triple Number Windward/Leeward High1.0152
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8570
Triple Number Coastal/Long Distance Medium1.0892
Triple Number Coastal/Long Distance High1.2287
Triple Number Windward/Leeward Low0.6706
Triple Number Windward/Leeward Medium0.8900
Triple Number Windward/Leeward High1.0152
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Predominantly Upwind601.40.9978
Predominantly Downwind554.61.0819
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance599.81.0003
Triple Number Coastal/Long Distance Low700.10.8570
Triple Number Coastal/Long Distance Medium550.91.0892
Triple Number Coastal/Long Distance High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance986.4753.4635.6571.8535.1502.2442.7412.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low700.10.8570
Triple Number AP Medium550.91.0891
Triple Number AP High488.31.2287
Triple Number Windward/Leeward Low894.70.6706
Triple Number Windward/Leeward Medium674.20.8900
Triple Number Windward/Leeward High591.01.0152
Single Number Predominant Upwind600.01.0000
Single Number Predominant Reaching528.31.1356
Single Number Predominant Downwind555.71.0797
Predominant Upwind - Low776.20.7730
Predominant Upwind - Low/Med654.20.9172
Predominant Upwind - Medium584.31.0268
Predominant Upwind - Med/High546.81.0973
Predominant Upwind - High524.51.1440
Predominant Downwind Low759.80.7897
Predominant Downwind Low/Med625.30.9595
Predominant Downwind Medium539.01.1132
Predominant Downwind Med/High472.91.2689
Predominant Downwind High413.81.4500
Predominant Reaching Low687.10.8732
Predominant Reaching Low/Med582.41.0303
Predominant Reaching Medium516.51.1617
Predominant Reaching Med/High466.21.2870
Predominant Reaching High428.51.4003
SA/DSPL Upwind27.16SA/DSPL Downwind68.11
Scoring OptionTODTOT
5-Band Windward/Leeward Low946.80.6337
5-Band Windward/Leeward Low/Med770.30.7789
5-Band Windward/Leeward Medium664.60.9029
5-Band Windward/Leeward Med/High603.90.9935
5-Band Windward/Leeward High553.51.0839
Windward/Leeward 60-40 Low954.70.6285
Windward/Leeward 60-40 Low/Med780.30.7690
Windward/Leeward 60-40 Medium677.80.8852
Windward/Leeward 60-40 Med/High623.30.9627
Windward/Leeward 60-40 High582.11.0308
5-Band AP Low736.30.8149
5-Band AP Low/Med616.70.9730
5-Band AP Medium543.71.1035
5-Band AP Med/High497.61.2059
5-Band AP High462.71.2966
5-Band SF Bay Tour - Low900.80.6661
5-Band SF Bay Tour - Low/Med737.10.8140
5-Band SF Bay Tour - Medium639.40.9383
5-Band SF Bay Tour - Med/High583.51.0283
5-Band SF Bay Tour - High539.61.1119
Chicago-Mac Upwind0.9817
Chicago-Mac All Purpose1.0187
Chicago-Mac Downwind1.0638
Bayview-Mac Cove Island0.9477
Bayview-Mac Shore0.9536
Harvest Moon Regatta476.61.2589

Club
Certificate
2024

Boat

BLUE

USA 64

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 88MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.957Max. Beam2.854Draft1.958Displacement2,345Wetted area16.27IMS L8.592LSM08.220Acc. length8.957Sink (kg/mm) 12.49
VCGD-0.395VCGM-0.301RM Rated (kg·m) 57.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight520Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.358PBW0.110PIPA0.0033
EDL1.810ST10.050ST20.180
ST30.180ST40.110ST50.270
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.230IG11.787ISP12.680MDT10.100MDL10.140MDT20.080MDL20.110TL1.940MW0.140GO0.160
E3.660J3.440BAS1.290FSD0.025SFJ0.240SPLWPLTPS5.520BD0.100MWT76.00MCG4.720
Flying Headsail Foretriangles IdISPTPS112.6805.520
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered57.0Flotation Date02/06/2015
SFFP0.759FFM1.028FF1.028LCFcl4.942SG
SAFP8.905FAM0.745FA0.745LCFsh5.151HBI0.872
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

BLUE

USA 64

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-50.471.051.692.603.1626.6723/03/2024OUS149168-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentClass AP0.090.510.951.872.753.6011.58YesNo 21.39Hi-50.080.470.861.712.573.4311.55YesNo 19.9023/03/2024OUS149168-003
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-215.0012.1513.588.248.5496%93.8924/03/2024OUS149168-004AP14.0211.9412.988.478.7397%92.1808/04/202291173