International
Certificate
2023

Boat

FAST TANGO

USA 15004

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 Angles42.0°40.6°39.0°38.2°37.6°37.3°37.2°
Beat VMG3.744.444.855.055.155.225.28
52°5.656.486.897.097.187.257.31
60°5.916.677.047.247.357.427.49
75°6.066.787.157.397.557.667.80
90°5.936.817.257.527.717.848.07
110°5.746.727.267.597.868.108.53
120°5.526.607.197.587.908.198.75
135°5.026.146.907.357.698.018.74
150°4.275.356.286.947.357.678.31
Run VMG3.704.635.456.146.717.167.79
Gybe Angles144.8°148.4°152.3°158.6°171.8°177.2°179.0°

APH: 555.4

CDL: 9.171

GPH: 617.8

CertNo: US7200

BOAT
ClassNORTH AMERICAN 40DesignerCARTERBuilderMORGANAge date12/1977Series date12/1977Offset fileNA40.OFFData fileUSA15004
HULL
Length Overall12.110 mMaximum Beam3.828 mDraft2.098 mDisplacement7,760 kgDLR9.7246IMS DivisionPerformanceDynamic Allowance0.220%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight875 kgMinimum weight656 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail35.8136.37Headsail Luffed65.3565.35Headsail FlyingSymmetric127.96127.96Asymmetric121.18121.18 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail10.30Storm Jib13.93Heavy Weather Jib37.59
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment160.1 kg·mStability Index125.9
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

FAST TANGO

USA 15004

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 VMG961.4810.5741.6713.4698.4689.0681.7
52°637.6555.2522.2508.1501.1496.9492.5
60°609.3539.7511.1497.0489.9485.2480.3
75°593.8530.8503.2487.2476.6469.8461.5
90°606.8528.5496.2478.5466.9459.3445.8
110°627.1536.0496.2474.1457.9444.5422.1
120°652.4545.8500.4475.2455.8439.5411.3
135°717.7586.0521.5490.0468.4449.2411.8
150°843.1672.7573.2518.7489.9469.4433.4
Run VMG973.5776.8660.5586.4536.8502.6461.9
Selected Courses
Windward / Leeward967.5793.6701.1649.9617.6595.8571.8
All purpose749.8629.3570.4539.3520.2506.9487.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward674.60.8894
All purpose555.41.0803
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7930
Downwind "popa"0.9336
70% up, 30% down "Ilhabela"0.8306
30% up, 70% down "Ilhabela-inverso"0.8865
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Predominantly Upwind595.11.0082
Predominantly Downwind564.31.0632
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low689.50.8702
Triple Number All Purpose Medium552.41.0862
Triple Number All Purpose High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Predominantly Upwind595.11.0082
Predominantly Downwind564.31.0632
Predominantly Upwind Low755.50.7942
Predominantly Upwind Medium613.60.9778
Predominantly Upwind High581.51.0319
Predominantly Downwind Low760.20.7893
Predominantly Downwind Medium561.61.0684
Predominantly Downwind High478.21.2547
Chicago-Mac Upwind0.9920
Chicago-Mac All Purpose1.0161
Chicago-Mac Downwind1.0457
Bayview-Mac Cove Island0.9564
Bayview-Mac Shore0.9650
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching529.31.1335
Predominantly Reaching Low628.90.9540
Predominantly Reaching Medium524.41.1442
Predominantly Reaching High474.51.2645
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low954.10.6289
5-Band Low / Medium811.60.7393
5-Band Medium660.40.9085
5-Band Medium / High600.01.0000
5-Band High576.01.0417
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance602.1
Triple Number Coastal/Long Distance Low689.5
Triple Number Coastal/Long Distance Medium552.4
Triple Number Coastal/Long Distance High503.1
Triple Number Windward/Leeward Low880.5
Triple Number Windward/Leeward Medium670.8
Triple Number Windward/Leeward High592.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8702
Triple Number Coastal/Long Distance Medium1.0862
Triple Number Coastal/Long Distance High1.1925
Triple Number Windward/Leeward Low0.6814
Triple Number Windward/Leeward Medium0.8944
Triple Number Windward/Leeward High1.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low689.5
Triple Number Coastal/Long Distance Medium552.4
Triple Number Coastal/Long Distance High503.1
Triple Number Windward/Leeward Low880.5
Triple Number Windward/Leeward Medium670.8
Triple Number Windward/Leeward High592.2
Predominantly Upwind595.1
Predominantly Downwind564.3
Predominantly Reaching541.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8702
Triple Number Coastal/Long Distance Medium1.0862
Triple Number Coastal/Long Distance High1.1925
Triple Number Windward/Leeward Low0.6814
Triple Number Windward/Leeward Medium0.8944
Triple Number Windward/Leeward High1.0131
Coastal/Long Distance0.9965
Predominantly Upwind1.0082
Predominantly Downwind1.0632
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8702
Tretall Distanseseilas Mellomvind1.0862
Tretall Distanseseilas Mye vind1.1925
Tretall Pølsebane Lite vind0.6814
Tretall Pølsebane Mellomvind0.8944
Tretall Pølsebane Mye vind1.0131
Distanseseilas ett tall (OSN 8-16kn)0.9965
Distanseseilas ett tall (APH 6-20kn)1.0803
Enkeltall Motvind1.0082
Enkeltall Medvind1.0632
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Coastal/Long Distance602.10.9965
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind595.11.0082
Predominantly Downwind564.31.0632
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore579.01.0362
Cape Doctor Coastal493.61.2155
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8702
Triple Number Coastal/Long Distance Medium1.0862
Triple Number Coastal/Long Distance High1.1925
Triple Number Windward/Leeward Low0.6814
Triple Number Windward/Leeward Medium0.8944
Triple Number Windward/Leeward High1.0131
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8702
Triple Number Coastal/Long Distance Medium1.0862
Triple Number Coastal/Long Distance High1.1925
Triple Number Windward/Leeward Low0.6814
Triple Number Windward/Leeward Medium0.8944
Triple Number Windward/Leeward High1.0131
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Predominantly Upwind595.11.0082
Predominantly Downwind564.31.0632
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9965
Triple Number Coastal/Long Distance Low689.50.8702
Triple Number Coastal/Long Distance Medium552.41.0862
Triple Number Coastal/Long Distance High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.1749.2636.9573.5539.1512.3469.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low689.50.8702
Triple Number All Purpose Medium552.41.0862
Triple Number All Purpose High503.11.1925
Triple Number Windward/Leeward Low880.50.6814
Triple Number Windward/Leeward Medium670.80.8944
Triple Number Windward/Leeward High592.21.0131
Predominantly Upwind595.11.0082
Predominantly Downwind564.31.0632
Predominantly Upwind Low755.50.7942
Predominantly Upwind Medium613.60.9778
Predominantly Upwind High581.51.0319
Predominantly Downwind Low760.20.7893
Predominantly Downwind Medium561.61.0684
Predominantly Downwind High478.21.2547
Chicago-Mac Upwind0.9920
Chicago-Mac All Purpose1.0161
Chicago-Mac Downwind1.0457
Bayview-Mac Cove Island0.9564
Bayview-Mac Shore0.9650
Harvest Moon Regatta490.31.2237
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy583.01.0292
San Francisco Bay Medium663.30.9045
Predominantly Reaching529.31.1335
Predominantly Reaching Low628.90.9540
Predominantly Reaching Medium524.41.1442
Predominantly Reaching High474.51.2645
Windward/Leeward 60-40 Low881.60.6806
Windward/Leeward 60-40 Medium690.00.8695
Windward/Leeward 60-40 High625.00.9599
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low954.10.6289
5-Band Low / Medium811.60.7393
5-Band Medium660.40.9085
5-Band Medium / High600.01.0000
5-Band High576.01.0417

International
Certificate
2023

Boat

FAST TANGO

USA 15004

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNORTH AMERICAN 40Measurement23/04/2021HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.110Max. Beam3.828Draft2.098Displacement7,760Wetted area28.72IMS L9.579LSM09.274Acc. length12.110Sink (kg/mm) 19.55
VCGD-0.115VCGM-0.088RM Rated (kg·m) 160.1Limit of positive stability(°) 123.0Stability Index125.9
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.460PBW0.045PIPA0.0056
PSD0.032PHD0.061PHL0.185
PSA23.0°ESL0.925
ST10.022ST20.105ST30.128
ST40.055ST50.135
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3Rotating mastNo
P14.300IG16.418ISP16.518MDT10.135MDL10.222MDT20.132MDL20.174TL2.730MW0.222GO0.305
E4.115J5.175BAS1.848FSD0.032SFJ0.000SPL5.165WPLTPS5.165BD0.175MWT213.00MCG4.766
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date23/04/2021MeasurerComment
SFFP0.881FFM1.322FF1.335LCFcl6.487SG1.0000
SAFP11.308FAM1.044FA1.052LCFsh6.760HBI1.159
W1140.9W2140.9W3140.9W4140.9LCFD5.467
PD1290.2PD2290.9PD3295.3PD4285.4
WD4.115PLM9000.00GSA1.0RSA1.0RM157.2
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG1FixedLead slab ballast, bonded to hull, centerline3173.90-0.10Fixed Ballast Total317
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG3Fuel SS Stbd settee0.900010026.100.002Waste Bladder Port settee9505.000.001Water Bladder Port settee13506.100.00Total deductible26.100.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery12V Optima wet cell engine, port centerline155.000.101Battery2x 12V Optima wet cell house, port centerline305.000.101EnginePerkins 4-108 40 hpaAnchor00.00Total deductible0

International
Certificate
2023

Boat

FAST TANGO

USA 15004

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.911.632.743.5135.8128/04/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG1-230.060.951.913.835.817.8316.87NoNo 65.3524/02/2023C72999Genoa 10.070.941.853.735.687.6816.67NoNo 63.1328/04/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS216.5416.5416.549.329.14127.9604/07/2017
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA117.2215.5616.398.769.3294%121.1828/04/2021A016.8615.8516.366.808.9976%98.6506/06/2016