Club
Certificate
2024

Boat

BASIC

JPN 3387

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles41.7°39.4°37.0°36.1°35.8°35.6°35.7°36.9°
Beat VMG3.804.534.935.095.175.225.265.19
52°5.696.486.816.957.037.097.167.17
60°5.946.646.957.127.217.287.387.41
75°6.096.747.087.327.497.607.787.88
90°5.986.717.107.407.667.888.218.45
110°5.726.697.197.587.938.238.709.00
120°5.536.557.107.547.958.389.2810.10
135°4.956.066.767.227.668.129.3011.64
150°4.135.246.176.797.227.648.5710.02
Run VMG3.584.545.366.056.647.077.868.78
Gybe Angles140.6°148.7°153.4°161.5°175.9°178.6°179.0°175.7°
APH ToD:558.3CDL: 8.777APH ToT: 1.0747CertNo:240260
BOAT
ClassSEAM 31DesignerI.YOKOYAMABuilderTSUBOI YACHTAge date08/1999Series date06/1999Offset fileJCBIY89.OFFData fileJC240260
HULL
Length Overall9.500 mMaximum Beam3.238 mDraft2.000 mDisplacement3,167 kgDLR5.5318IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight528 kg(default)Minimum weight398 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0235.93Headsail Luffed26.9926.99Headsail FlyingSymmetric61.4761.47Asymmetric
STORM SAIL AREAS (m²)
Trysail10.02Storm Jib7.20Heavy Weather Jib19.44
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

BASIC

JPN 3387

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG946.9794.1730.5707.8696.6689.7684.0693.9
52°632.2555.4528.8518.0512.1507.9502.7502.1
60°605.7542.4518.2506.0499.4494.5487.9485.5
75°590.7533.9508.5491.9480.8473.8463.0457.1
90°601.9536.5507.1486.5469.8456.7438.7426.2
110°629.3538.0500.8474.8454.0437.3414.0400.1
120°651.3550.0507.1477.4452.7429.6388.0356.6
135°728.0594.4532.7498.9469.8443.2387.0309.2
150°870.8687.2583.7529.9498.4471.1419.9359.4
Run VMG1005.5793.5671.2594.8542.5509.2457.9410.2
Selected Courses
Windward / Leeward976.2793.8700.9651.3619.6599.4571.0552.0
All purpose752.5631.3574.4543.6523.2507.9483.2462.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward676.10.8874
All purpose558.31.0747
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8001
Downwind "popa"0.9181
70% up, 30% down "Ilhabela"0.8322
30% up, 70% down "Ilhabela-inverso"0.8792
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Predominantly Upwind597.61.0039
Predominantly Downwind570.21.0522
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low691.90.8672
Triple Number AP Medium556.11.0789
Triple Number AP High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Single Number Predominant Upwind595.91.0068
Single Number Predominant Reaching537.91.1154
Single Number Predominant Downwind571.41.0500
Predominant Upwind - Low742.30.8083
Predominant Upwind - Low/Med640.70.9365
Predominant Upwind - Medium583.31.0286
Predominant Upwind - Med/High552.71.0856
Predominant Upwind - High535.71.1200
Predominant Downwind Low772.20.7770
Predominant Downwind Low/Med639.80.9378
Predominant Downwind Medium553.41.0842
Predominant Downwind Med/High494.81.2125
Predominant Downwind High453.31.3236
Predominant Reaching Low678.70.8841
Predominant Reaching Low/Med584.71.0261
Predominant Reaching Medium526.21.1403
Predominant Reaching Med/High486.11.2343
Predominant Reaching High456.61.3139
SA/DSPL Upwind28.65SA/DSPL Downwind44.57
Scoring OptionTODTOT
5-Band Windward/Leeward Low934.80.6418
5-Band Windward/Leeward Low/Med766.80.7824
5-Band Windward/Leeward Medium661.70.9068
5-Band Windward/Leeward Med/High602.30.9961
5-Band Windward/Leeward High572.61.0478
Windward/Leeward 60-40 Low930.30.6450
Windward/Leeward 60-40 Low/Med769.80.7795
Windward/Leeward 60-40 Medium672.40.8923
Windward/Leeward 60-40 Med/High620.20.9675
Windward/Leeward 60-40 High595.41.0077
5-Band AP Low725.00.8276
5-Band AP Low/Med616.10.9738
5-Band AP Medium549.61.0917
5-Band AP Med/High509.31.1780
5-Band AP High483.91.2400
5-Band SF Bay Tour - Low884.70.6782
5-Band SF Bay Tour - Low/Med732.60.8190
5-Band SF Bay Tour - Medium640.40.9369
5-Band SF Bay Tour - Med/High588.91.0189
5-Band SF Bay Tour - High560.01.0714
Chicago-Mac Upwind0.9890
Chicago-Mac All Purpose1.0094
Chicago-Mac Downwind1.0346
Bayview-Mac Cove Island0.9521
Bayview-Mac Shore0.9622
Harvest Moon Regatta490.81.2225
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance604.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8672
Triple Number Coastal/Long Distance Medium1.0790
Triple Number Coastal/Long Distance High1.1941
Triple Number Windward/Leeward Low0.6780
Triple Number Windward/Leeward Medium0.8932
Triple Number Windward/Leeward High1.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low691.9
Triple Number Coastal/Long Distance Medium556.1
Triple Number Coastal/Long Distance High502.5
Triple Number Windward/Leeward Low885.0
Triple Number Windward/Leeward Medium671.7
Triple Number Windward/Leeward High593.8
Predominantly Upwind597.6
Predominantly Downwind570.2
Predominantly Reaching546.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8672
Triple Number Coastal/Long Distance Medium1.0790
Triple Number Coastal/Long Distance High1.1941
Triple Number Windward/Leeward Low0.6780
Triple Number Windward/Leeward Medium0.8932
Triple Number Windward/Leeward High1.0105
Coastal/Long Distance0.9925
Predominantly Upwind1.0039
Predominantly Downwind1.0522
For information
General Purpose Handicap (GPH)621.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8672
Tretall Distanseseilas Mellomvind1.0790
Tretall Distanseseilas Mye vind1.1941
Tretall Pølsebane Lite vind0.6780
Tretall Pølsebane Mellomvind0.8932
Tretall Pølsebane Mye vind1.0105
Distanseseilas ett tall (OSN 8-16kn)0.9925
Distanseseilas ett tall (APH 6-20kn)1.0747
Enkeltall Motvind1.0039
Enkeltall Medvind1.0522
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Coastal/Long Distance604.50.9925
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind597.61.0039
Predominantly Downwind570.21.0522
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore557.71.0758
Cape Doctor Coastal468.61.2805
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8672
Triple Number Coastal/Long Distance Medium1.0790
Triple Number Coastal/Long Distance High1.1941
Triple Number Windward/Leeward Low0.6780
Triple Number Windward/Leeward Medium0.8932
Triple Number Windward/Leeward High1.0105
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8672
Triple Number Coastal/Long Distance Medium1.0790
Triple Number Coastal/Long Distance High1.1941
Triple Number Windward/Leeward Low0.6780
Triple Number Windward/Leeward Medium0.8932
Triple Number Windward/Leeward High1.0105
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Predominantly Upwind597.61.0039
Predominantly Downwind570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.50.9925
Triple Number Coastal/Long Distance Low691.90.8672
Triple Number Coastal/Long Distance Medium556.11.0790
Triple Number Coastal/Long Distance High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance979.1750.8639.2577.2542.1512.8462.9442.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low691.90.8672
Triple Number AP Medium556.11.0789
Triple Number AP High502.51.1941
Triple Number Windward/Leeward Low885.00.6780
Triple Number Windward/Leeward Medium671.70.8932
Triple Number Windward/Leeward High593.81.0105
Single Number Predominant Upwind595.91.0068
Single Number Predominant Reaching537.91.1154
Single Number Predominant Downwind571.41.0500
Predominant Upwind - Low742.30.8083
Predominant Upwind - Low/Med640.70.9365
Predominant Upwind - Medium583.31.0286
Predominant Upwind - Med/High552.71.0856
Predominant Upwind - High535.71.1200
Predominant Downwind Low772.20.7770
Predominant Downwind Low/Med639.80.9378
Predominant Downwind Medium553.41.0842
Predominant Downwind Med/High494.81.2125
Predominant Downwind High453.31.3236
Predominant Reaching Low678.70.8841
Predominant Reaching Low/Med584.71.0261
Predominant Reaching Medium526.21.1403
Predominant Reaching Med/High486.11.2343
Predominant Reaching High456.61.3139
SA/DSPL Upwind28.65SA/DSPL Downwind44.57
Scoring OptionTODTOT
5-Band Windward/Leeward Low934.80.6418
5-Band Windward/Leeward Low/Med766.80.7824
5-Band Windward/Leeward Medium661.70.9068
5-Band Windward/Leeward Med/High602.30.9961
5-Band Windward/Leeward High572.61.0478
Windward/Leeward 60-40 Low930.30.6450
Windward/Leeward 60-40 Low/Med769.80.7795
Windward/Leeward 60-40 Medium672.40.8923
Windward/Leeward 60-40 Med/High620.20.9675
Windward/Leeward 60-40 High595.41.0077
5-Band AP Low725.00.8276
5-Band AP Low/Med616.10.9738
5-Band AP Medium549.61.0917
5-Band AP Med/High509.31.1780
5-Band AP High483.91.2400
5-Band SF Bay Tour - Low884.70.6782
5-Band SF Bay Tour - Low/Med732.60.8190
5-Band SF Bay Tour - Medium640.40.9369
5-Band SF Bay Tour - Med/High588.91.0189
5-Band SF Bay Tour - High560.01.0714
Chicago-Mac Upwind0.9890
Chicago-Mac All Purpose1.0094
Chicago-Mac Downwind1.0346
Bayview-Mac Cove Island0.9521
Bayview-Mac Shore0.9622
Harvest Moon Regatta490.81.2225

Club
Certificate
2024

Boat

BASIC

JPN 3387

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSEAM 31MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.500Max. Beam3.238Draft2.000Displacement3,167Wetted area17.84IMS L8.651LSM08.302Acc. length9.500Sink (kg/mm) 13.91
VCGD-0.055VCGM-0.057RM Rated (kg·m) 69.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight528Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.500IG12.000ISP12.000MDT10.100MDL10.156MDT2MDL2TLTaperMWGO
E4.580J3.460BAS1.600FSDFoilSFJ0.000SPL3.494WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/08/1999
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

BASIC

JPN 3387

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.221.081.883.043.8735.02* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.080.601.142.293.454.6611.67NoNo 26.9930/05/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS111.8611.8611.866.226.2261.47S211.6011.6011.606.396.1961.3813/01/2023