International
Certificate
2023

Boat

DANCING BEAR

USA 40122

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 Angles41.2°39.6°38.2°37.5°37.0°37.0°37.0°
Beat VMG3.764.474.915.105.205.265.31
52°5.606.476.917.107.207.267.32
60°5.826.647.057.267.367.437.51
75°5.946.747.157.417.577.687.82
90°5.806.667.147.447.677.858.10
110°5.546.637.237.597.858.068.34
120°5.396.507.167.577.918.198.68
135°4.896.016.827.337.718.078.77
150°4.165.266.196.887.347.708.37
Run VMG3.614.565.376.076.667.157.84
Gybe Angles145.1°150.2°152.9°158.2°170.0°177.2°179.0°

APH: 556.6

CDL: 9.204

GPH: 620.7

CertNo: US6484

BOAT
ClassNortheast 39DesignerRob BallBuilderC&C CustomAge date04/1985Series date01/1984Offset fileNORTHEAST39.offData fileUS6484
HULL
Length Overall11.918 mMaximum Beam3.880 mDraft2.413 mDisplacement6,988 kgDLR9.0063IMS DivisionCruiser/RacerDynamic Allowance0.130%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 3 bladesDiameter0.419m
CREW
Maximum weight653 kgMinimum weight490 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.8937.48Headsail Luffed56.2556.25Headsail FlyingSymmetric112.81112.81Asymmetric
STORM SAIL AREAS (m²)
Trysail10.69Storm Jib13.40Heavy Weather Jib36.16
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment154.5 kg·mStability Index120.6
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.

International
Certificate
2023

Boat

DANCING BEAR

USA 40122

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 VMG956.5804.9733.8706.2692.7684.5678.3
52°643.3556.7521.3506.8500.1496.0491.9
60°618.4542.3510.6496.0489.0484.4479.5
75°605.7534.5503.2486.1475.3468.7460.3
90°620.5540.5504.3484.0469.6458.8444.2
110°649.7542.9498.1474.6458.3446.9431.5
120°667.7553.8502.6475.3455.3439.5414.9
135°735.6598.6527.5491.2466.7446.2410.4
150°864.8684.5581.8523.0490.5467.7430.0
Run VMG998.6790.2670.0593.1540.4503.7459.3
Selected Courses
Windward / Leeward977.6797.6701.9649.7616.6594.1568.8
All purpose761.3634.7572.1539.4519.4505.6487.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward675.10.8888
All purpose556.61.0780
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7989
Downwind "popa"0.9220
70% up, 30% down "Ilhabela"0.8322
30% up, 70% down "Ilhabela-inverso"0.8813
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Predominantly Upwind595.21.0080
Predominantly Downwind568.41.0556
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low698.00.8596
Triple Number All Purpose Medium553.31.0845
Triple Number All Purpose High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Predominantly Upwind595.21.0080
Predominantly Downwind568.41.0556
Predominantly Upwind Low758.90.7906
Predominantly Upwind Medium611.10.9818
Predominantly Upwind High579.01.0362
Predominantly Downwind Low773.60.7756
Predominantly Downwind Medium566.71.0587
Predominantly Downwind High477.51.2565
Chicago-Mac Upwind0.9922
Chicago-Mac All Purpose1.0121
Chicago-Mac Downwind1.0375
Bayview-Mac Cove Island0.9503
Bayview-Mac Shore0.9613
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching532.61.1265
Predominantly Reaching Low640.00.9375
Predominantly Reaching Medium528.31.1358
Predominantly Reaching High473.41.2674
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low963.70.6226
5-Band Low / Medium816.30.7351
5-Band Medium660.50.9084
5-Band Medium / High598.31.0028
5-Band High573.21.0468
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance603.0
Triple Number Coastal/Long Distance Low698.0
Triple Number Coastal/Long Distance Medium553.3
Triple Number Coastal/Long Distance High502.1
Triple Number Windward/Leeward Low887.6
Triple Number Windward/Leeward Medium671.1
Triple Number Windward/Leeward High590.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8596
Triple Number Coastal/Long Distance Medium1.0845
Triple Number Coastal/Long Distance High1.1949
Triple Number Windward/Leeward Low0.6760
Triple Number Windward/Leeward Medium0.8940
Triple Number Windward/Leeward High1.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low698.0
Triple Number Coastal/Long Distance Medium553.3
Triple Number Coastal/Long Distance High502.1
Triple Number Windward/Leeward Low887.6
Triple Number Windward/Leeward Medium671.1
Triple Number Windward/Leeward High590.3
Predominantly Upwind595.2
Predominantly Downwind568.4
Predominantly Reaching545.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8596
Triple Number Coastal/Long Distance Medium1.0845
Triple Number Coastal/Long Distance High1.1949
Triple Number Windward/Leeward Low0.6760
Triple Number Windward/Leeward Medium0.8940
Triple Number Windward/Leeward High1.0165
Coastal/Long Distance0.9951
Predominantly Upwind1.0080
Predominantly Downwind1.0556
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8596
Tretall Distanseseilas Mellomvind1.0845
Tretall Distanseseilas Mye vind1.1949
Tretall Pølsebane Lite vind0.6760
Tretall Pølsebane Mellomvind0.8940
Tretall Pølsebane Mye vind1.0165
Distanseseilas ett tall (OSN 8-16kn)0.9951
Distanseseilas ett tall (APH 6-20kn)1.0780
Enkeltall Motvind1.0080
Enkeltall Medvind1.0556
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Coastal/Long Distance603.00.9951
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind595.21.0080
Predominantly Downwind568.41.0556
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore576.41.0409
Cape Doctor Coastal492.71.2178
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8596
Triple Number Coastal/Long Distance Medium1.0845
Triple Number Coastal/Long Distance High1.1949
Triple Number Windward/Leeward Low0.6760
Triple Number Windward/Leeward Medium0.8940
Triple Number Windward/Leeward High1.0165
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8596
Triple Number Coastal/Long Distance Medium1.0845
Triple Number Coastal/Long Distance High1.1949
Triple Number Windward/Leeward Low0.6760
Triple Number Windward/Leeward Medium0.8940
Triple Number Windward/Leeward High1.0165
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Predominantly Upwind595.21.0080
Predominantly Downwind568.41.0556
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.00.9951
Triple Number Coastal/Long Distance Low698.00.8596
Triple Number Coastal/Long Distance Medium553.31.0845
Triple Number Coastal/Long Distance High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance979.7754.1638.4573.4538.3511.0469.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low698.00.8596
Triple Number All Purpose Medium553.31.0845
Triple Number All Purpose High502.11.1949
Triple Number Windward/Leeward Low887.60.6760
Triple Number Windward/Leeward Medium671.10.8940
Triple Number Windward/Leeward High590.31.0165
Predominantly Upwind595.21.0080
Predominantly Downwind568.41.0556
Predominantly Upwind Low758.90.7906
Predominantly Upwind Medium611.10.9818
Predominantly Upwind High579.01.0362
Predominantly Downwind Low773.60.7756
Predominantly Downwind Medium566.71.0587
Predominantly Downwind High477.51.2565
Chicago-Mac Upwind0.9922
Chicago-Mac All Purpose1.0121
Chicago-Mac Downwind1.0375
Bayview-Mac Cove Island0.9503
Bayview-Mac Shore0.9613
Harvest Moon Regatta491.51.2208
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy580.71.0333
San Francisco Bay Medium663.20.9047
Predominantly Reaching532.61.1265
Predominantly Reaching Low640.00.9375
Predominantly Reaching Medium528.31.1358
Predominantly Reaching High473.41.2674
Windward/Leeward 60-40 Low886.20.6770
Windward/Leeward 60-40 Medium687.90.8722
Windward/Leeward 60-40 High622.20.9643
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low963.70.6226
5-Band Low / Medium816.30.7351
5-Band Medium660.50.9084
5-Band Medium / High598.31.0028
5-Band High573.21.0468

International
Certificate
2023

Boat

DANCING BEAR

USA 40122

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNortheast 39Measurement03/11/2019HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.918Max. Beam3.880Draft2.413Displacement6,988Wetted area28.24IMS L9.466LSM09.188Acc. length11.918Sink (kg/mm) 19.53
VCGD-0.083VCGM-0.061RM Rated (kg·m) 154.5Limit of positive stability(°) 119.8Stability Index120.6
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.419PBW0.110PIPA0.0044
PSD0.027PHD0.046PHL0.179
PSA18.0°ESL0.869
ST10.269ST20.102ST30.139
ST40.051ST50.168
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders3Rotating mastNo
P14.433IG16.266ISP16.321MDT10.125MDL10.200MDT20.104MDL20.150TL1.760MW0.165GO0.195
E4.230J4.951BAS1.737FSD0.035SFJ0.285SPL4.758WPLTPSBD0.182MWT268.50MCG5.210
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date03/11/2019MeasurerComment
SFFP0.813FFM1.291FF1.306LCFcl6.366SG1.0120
SAFP10.638FAM1.032FA1.035LCFsh6.649HBI1.109
W1127.8W2127.8W3127.8W4127.8LCFD5.186
PD1295.7PD2296.2PD3277.9PD4281.2
WD4.408PLM9000.00GSA1.0RSA1.0RM154.3
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG5Water PVC Port side8305.200.004Water PVC Port side6804.400.003Fuel Alloy Stbd side0.900076765.200.002Water PVC Stbd side6804.400.001Waste PVC centerline4504.000.00Total deductible685.200.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2MiscellaneousHot water heater CL209.600.301MiscellaneousOven & stove, port side156.600.202Battery12V Group 24 engine, port CL156.100.001Battery12V Group 31 house x2, port CL705.200.001EngineYanmar GM30F 27 hpTotal deductible0

International
Certificate
2023

Boat

DANCING BEAR

USA 40122

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentOUS1384760.020.921.662.793.6136.8922/06/20202020 MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment4560.070.861.893.425.217.0516.04NoNo 56.2507/04/2020UK BLACK TAPE DRIVE8790.080.861.693.465.247.1615.76NoNo 55.2807/04/2020UK GOLD GENOA12780.080.881.683.315.066.9016.16NoNo 54.8107/04/2020AP GREENOUS138476-0040.080.641.192.233.314.4416.02NoNo 35.9723/06/2020J3OUS138476-0020.060.611.172.333.504.0015.39NoInner 34.3426/06/2020SPIN STAYSAIL
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentAP-000116.0416.0416.048.458.40112.8107/04/2020AP UK668151270516.0616.0616.068.148.03108.6507/04/2020S3138476-00116.1216.1216.127.857.90105.5923/05/2020S5