International
Certificate
2022

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 Angles42.4°41.8°41.1°39.6°38.8°38.2°38.2°
Beat VMG3.574.244.785.045.185.265.28
52°5.396.376.927.157.267.327.37
60°5.696.637.087.317.447.527.59
75°5.926.807.207.457.657.817.98
90°5.986.957.387.677.918.088.33
110°5.766.837.347.708.038.318.79
120°5.506.667.277.668.048.408.96
135°5.026.146.997.427.788.168.89
150°4.305.336.307.027.427.758.47
Run VMG3.724.625.456.196.777.237.88
Gybe Angles145.1°148.7°150.2°157.4°169.4°177.2°178.1°

APH: 553.2

CDL: 9.165

GPH: 618.1

CertNo: US7200

BOAT
ClassNORTH AMERICAN 40DesignerCARTERBuilderMORGANAge date12/1977Series date12/1977Offset fileNA40.OFFData fileUSA15004
HULL
Length Overall12.110 mMaximum Beam3.828 mDraft2.098 mDisplacement7,760 kgDLR8.9223IMS DivisionPerformanceDynamic Allowance0.215%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight930 kgMinimum weight698 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail35.8136.37Headsail Luffed63.1363.13Headsail 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 Moment157.2 kg·mStability Index125.8
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
2022

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 VMG1007.1848.8753.7713.9695.0684.7681.7
52°667.8564.8520.4503.2495.8491.6488.5
60°633.0542.7508.5492.6483.8478.8474.4
75°607.9529.2500.2483.4470.6461.0450.9
90°601.7517.8487.9469.4455.2445.6432.2
110°624.8527.4490.4467.5448.2433.0409.5
120°655.1540.4494.9470.1448.0428.5401.7
135°717.2585.9515.1484.9462.7441.1404.8
150°837.7675.0571.8512.9485.3464.3425.0
Run VMG967.3779.4660.1581.7531.9498.1456.9
Selected Courses
Windward / Leeward987.2814.1706.9647.8613.4591.4569.3
All purpose762.7636.9569.9535.0514.2499.7481.2
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward676.80.8866
All purpose553.21.0846
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7800
Downwind "popa"0.9385
70% up, 30% down "Ilhabela"0.8216
30% up, 70% down "Ilhabela-inverso"0.8846
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Predominantly Upwind596.41.0061
Predominantly Downwind561.71.0683
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low699.80.8574
Triple Number All Purpose Medium549.91.0911
Triple Number All Purpose High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Predominantly Upwind596.41.0061
Predominantly Downwind561.71.0683
Predominantly Upwind Low778.70.7705
Predominantly Upwind Medium614.70.9761
Predominantly Upwind High576.51.0408
Predominantly Downwind Low764.90.7844
Predominantly Downwind Medium557.41.0765
Predominantly Downwind High471.51.2724
Chicago-Mac Upwind0.9894
Chicago-Mac All Purpose1.0173
Chicago-Mac Downwind1.0510
Bayview-Mac Cove Island0.9508
Bayview-Mac Shore0.9583
Victoria-Maui1.1204
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance602.3
Triple Number Coastal/Long Distance Low699.8
Triple Number Coastal/Long Distance Medium549.9
Triple Number Coastal/Long Distance High496.4
Triple Number Windward/Leeward Low900.6
Triple Number Windward/Leeward Medium672.8
Triple Number Windward/Leeward High588.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8574
Triple Number Coastal/Long Distance Medium1.0911
Triple Number Coastal/Long Distance High1.2087
Triple Number Windward/Leeward Low0.6662
Triple Number Windward/Leeward Medium0.8918
Triple Number Windward/Leeward High1.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low699.8
Triple Number Coastal/Long Distance Medium549.9
Triple Number Coastal/Long Distance High496.4
Triple Number Windward/Leeward Low900.6
Triple Number Windward/Leeward Medium672.8
Triple Number Windward/Leeward High588.6
Predominantly Upwind596.4
Predominantly Downwind561.7
Predominantly Reaching537.6
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8574
Triple Number Coastal/Long Distance Medium1.0911
Triple Number Coastal/Long Distance High1.2087
Triple Number Windward/Leeward Low0.6662
Triple Number Windward/Leeward Medium0.8918
Triple Number Windward/Leeward High1.0194
Coastal/Long Distance0.9962
Predominantly Upwind1.0061
Predominantly Downwind1.0683
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9962
Tretall Distanseseilas Lite vind0.8574
Tretall Distanseseilas Mellomvind1.0911
Tretall Distanseseilas Mye vind1.2087
Tretall Pølsebane Lite vind0.6662
Tretall Pølsebane Mellomvind0.8918
Tretall Pølsebane Mye vind1.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Coastal/Long Distance602.30.9962
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind596.41.0061
Predominantly Downwind561.71.0683
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore575.91.0418
Cape Doctor Coastal486.81.2326
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8574
Triple Number Coastal/Long Distance Medium1.0911
Triple Number Coastal/Long Distance High1.2087
Triple Number Windward/Leeward Low0.6662
Triple Number Windward/Leeward Medium0.8918
Triple Number Windward/Leeward High1.0194
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8574
Triple Number Coastal/Long Distance Medium1.0911
Triple Number Coastal/Long Distance High1.2087
Triple Number Windward/Leeward Low0.6662
Triple Number Windward/Leeward Medium0.8918
Triple Number Windward/Leeward High1.0194
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Predominantly Upwind596.41.0061
Predominantly Downwind561.71.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low699.80.8574
Triple Number Coastal/Long Distance Medium549.91.0911
Triple Number Coastal/Long Distance High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance985.2765.1639.4569.7533.0504.7461.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low699.80.8574
Triple Number All Purpose Medium549.91.0911
Triple Number All Purpose High496.41.2087
Triple Number Windward/Leeward Low900.60.6662
Triple Number Windward/Leeward Medium672.80.8918
Triple Number Windward/Leeward High588.61.0194
Predominantly Upwind596.41.0061
Predominantly Downwind561.71.0683
Predominantly Upwind Low778.70.7705
Predominantly Upwind Medium614.70.9761
Predominantly Upwind High576.51.0408
Predominantly Downwind Low764.90.7844
Predominantly Downwind Medium557.41.0765
Predominantly Downwind High471.51.2724
Chicago-Mac Upwind0.9894
Chicago-Mac All Purpose1.0173
Chicago-Mac Downwind1.0510
Bayview-Mac Cove Island0.9508
Bayview-Mac Shore0.9583
Harvest Moon Regatta491.71.2204
Victoria-Maui1.1204
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low973.80.6161
5-Band Low / Medium827.30.7253
5-Band Medium661.00.9077
5-Band Medium / High596.11.0065
5-Band High573.11.0469

International
Certificate
2022

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 L9.582LSM09.544Acc. length12.110Sink (kg/mm) 19.55
VCGD-0.115VCGM-0.088RM Measured (kg·m) 157.2RM Default (kg·m) 160.4Limit of positive stability(°) 122.7Stability Index125.8
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/Checkstays1Spreaders3
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
WD4.115PLM9000.00GSA1.0RSA1.0
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
2022

Boat

FAST TANGO

USA 15004

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment10.130.911.632.743.5135.8128/04/2021Ullman
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentGenoa 10.070.941.853.735.687.6816.67NoNo 63.1328/04/2021Ullman
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialCommentS216.5416.5416.549.329.14127.9604/07/2017UllmanNylon
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA117.2215.5616.398.769.3294%121.1828/04/2021UllmanA016.8615.8516.366.808.9976%98.6506/06/2016NorthUnknown