International
Certificate
2024

Boat

LUCKY DUCK

USA 38904

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 Angles42.3°39.7°36.5°35.0°35.0°35.0°35.0°35.0°
Beat VMG3.804.645.185.405.515.585.655.62
52°5.736.677.137.407.567.697.867.92
60°6.016.847.317.657.858.018.248.35
75°6.176.957.487.948.328.599.029.27
90°6.137.017.468.018.589.139.9510.66
110°6.287.257.938.428.909.3810.4412.69
120°6.167.217.998.779.4210.0811.6313.11
135°5.536.787.628.519.5710.9613.4315.31
150°4.675.886.797.598.349.3312.8116.17
Run VMG4.045.105.886.577.228.0811.1014.01
Gybe Angles143.2°146.9°149.8°149.7°147.0°144.7°144.5°148.7°
APH ToD:510.5CDL: 9.268APH ToT: 1.1752CertNo:US3890
BOAT
ClassJ 90DesignerJOHNSTONEBuilderTPIAge date12/1997Series date12/1997Offset fileJ90-USA38904.offData fileUS3890
HULL
Length Overall9.248 mMaximum Beam2.590 mDraft2.020 mDisplacement1,539 kgDLR3.2915IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight700 kg(declared)Minimum weight570 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.8129.61Headsail Luffed19.0019.00Headsail FlyingSymmetricAsymmetric97.8497.84 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail8.46Storm Jib5.97Heavy Weather Jib16.10
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment45.7 kg·mStability Index117.0
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
2024

Boat

LUCKY DUCK

USA 38904

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 VMG947.9775.2695.3666.4653.3645.1636.8640.9
52°627.8539.4504.8486.4476.1468.4458.2454.4
60°598.9526.0492.4470.5458.7449.6437.0431.0
75°583.3517.9481.4453.2432.5419.2399.1388.4
90°587.2513.6482.7449.6419.7394.4361.6337.6
110°572.9496.3454.2427.6404.5383.7345.0283.7
120°584.7499.6450.3410.6382.1357.1309.6274.6
135°651.6531.0472.2423.0376.2328.4268.1235.2
150°770.8611.8530.0474.6431.9385.9281.0222.6
Run VMG890.1706.5611.9548.0498.7445.6324.4257.0
Selected Courses
Windward / Leeward919.0740.8653.6607.2576.0545.3480.6449.0
All purpose711.9592.2534.3498.5471.9447.5404.0377.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward626.70.9574
All purpose510.51.1752
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8367
Downwind "popa"1.0434
70% up, 30% down "Ilhabela"0.8895
30% up, 70% down "Ilhabela-inverso"0.9714
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Predominantly Upwind557.21.0768
Predominantly Downwind510.81.1747
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low652.10.9202
Triple Number AP Medium511.61.1728
Triple Number AP High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Single Number Predominant Upwind555.51.0801
Single Number Predominant Reaching488.01.2295
Single Number Predominant Downwind512.21.1714
Predominant Upwind - Low719.50.8339
Predominant Upwind - Low/Med609.10.9850
Predominant Upwind - Medium541.91.1071
Predominant Upwind - Med/High498.51.2036
Predominant Upwind - High471.81.2717
Predominant Downwind Low708.80.8465
Predominant Downwind Low/Med585.41.0250
Predominant Downwind Medium497.71.2056
Predominant Downwind Med/High418.51.4339
Predominant Downwind High355.71.6869
Predominant Reaching Low641.50.9353
Predominant Reaching Low/Med545.41.1000
Predominant Reaching Medium477.01.2578
Predominant Reaching Med/High416.51.4405
Predominant Reaching High374.91.6005
SA/DSPL Upwind35.82SA/DSPL Downwind94.87
Scoring OptionTODTOT
5-Band Windward/Leeward Low878.60.6829
5-Band Windward/Leeward Low/Med716.60.8373
5-Band Windward/Leeward Medium615.60.9746
5-Band Windward/Leeward Med/High544.81.1014
5-Band Windward/Leeward High486.31.2338
Windward/Leeward 60-40 Low884.60.6783
Windward/Leeward 60-40 Low/Med724.50.8281
Windward/Leeward 60-40 Medium627.70.9558
Windward/Leeward 60-40 Med/High565.21.0616
Windward/Leeward 60-40 High516.81.1609
5-Band AP Low684.70.8763
5-Band AP Low/Med575.61.0424
5-Band AP Medium503.51.1916
5-Band AP Med/High448.61.3376
5-Band AP High406.91.4746
5-Band SF Bay Tour - Low835.40.7182
5-Band SF Bay Tour - Low/Med685.10.8757
5-Band SF Bay Tour - Medium591.71.0141
5-Band SF Bay Tour - Med/High527.11.1383
5-Band SF Bay Tour - High477.11.2575
Chicago-Mac Upwind1.0588
Chicago-Mac All Purpose1.1006
Chicago-Mac Downwind1.1510
Bayview-Mac Cove Island1.0208
Bayview-Mac Shore1.0289
Harvest Moon Regatta430.51.3937
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance553.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9202
Triple Number Coastal/Long Distance Medium1.1729
Triple Number Coastal/Long Distance High1.3722
Triple Number Windward/Leeward Low0.7230
Triple Number Windward/Leeward Medium0.9585
Triple Number Windward/Leeward High1.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low652.0
Triple Number Coastal/Long Distance Medium511.6
Triple Number Coastal/Long Distance High437.3
Triple Number Windward/Leeward Low829.9
Triple Number Windward/Leeward Medium626.0
Triple Number Windward/Leeward High528.7
Predominantly Upwind557.2
Predominantly Downwind510.8
Predominantly Reaching492.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9202
Triple Number Coastal/Long Distance Medium1.1729
Triple Number Coastal/Long Distance High1.3722
Triple Number Windward/Leeward Low0.7230
Triple Number Windward/Leeward Medium0.9585
Triple Number Windward/Leeward High1.1348
Coastal/Long Distance1.0845
Predominantly Upwind1.0768
Predominantly Downwind1.1747
For information
General Purpose Handicap (GPH)572.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9202
Tretall Distanseseilas Mellomvind1.1729
Tretall Distanseseilas Mye vind1.3722
Tretall Pølsebane Lite vind0.7230
Tretall Pølsebane Mellomvind0.9585
Tretall Pølsebane Mye vind1.1348
Distanseseilas ett tall (OSN 8-16kn)1.0845
Distanseseilas ett tall (APH 6-20kn)1.1752
Enkeltall Motvind1.0768
Enkeltall Medvind1.1747
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Coastal/Long Distance553.31.0845
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind557.21.0768
Predominantly Downwind510.81.1747
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore458.41.3088
Cape Doctor Coastal385.31.5572
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9202
Triple Number Coastal/Long Distance Medium1.1729
Triple Number Coastal/Long Distance High1.3722
Triple Number Windward/Leeward Low0.7230
Triple Number Windward/Leeward Medium0.9585
Triple Number Windward/Leeward High1.1348
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9202
Triple Number Coastal/Long Distance Medium1.1729
Triple Number Coastal/Long Distance High1.3722
Triple Number Windward/Leeward Low0.7230
Triple Number Windward/Leeward Medium0.9585
Triple Number Windward/Leeward High1.1348
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Predominantly Upwind557.21.0768
Predominantly Downwind510.81.1747
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.31.0845
Triple Number Coastal/Long Distance Low652.00.9202
Triple Number Coastal/Long Distance Medium511.61.1729
Triple Number Coastal/Long Distance High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance916.1700.2595.1530.4490.0452.0383.2356.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low652.10.9202
Triple Number AP Medium511.61.1728
Triple Number AP High437.31.3722
Triple Number Windward/Leeward Low829.90.7230
Triple Number Windward/Leeward Medium626.00.9585
Triple Number Windward/Leeward High528.71.1348
Single Number Predominant Upwind555.51.0801
Single Number Predominant Reaching488.01.2295
Single Number Predominant Downwind512.21.1714
Predominant Upwind - Low719.50.8339
Predominant Upwind - Low/Med609.10.9850
Predominant Upwind - Medium541.91.1071
Predominant Upwind - Med/High498.51.2036
Predominant Upwind - High471.81.2717
Predominant Downwind Low708.80.8465
Predominant Downwind Low/Med585.41.0250
Predominant Downwind Medium497.71.2056
Predominant Downwind Med/High418.51.4339
Predominant Downwind High355.71.6869
Predominant Reaching Low641.50.9353
Predominant Reaching Low/Med545.41.1000
Predominant Reaching Medium477.01.2578
Predominant Reaching Med/High416.51.4405
Predominant Reaching High374.91.6005
SA/DSPL Upwind35.82SA/DSPL Downwind94.87
Scoring OptionTODTOT
5-Band Windward/Leeward Low878.60.6829
5-Band Windward/Leeward Low/Med716.60.8373
5-Band Windward/Leeward Medium615.60.9746
5-Band Windward/Leeward Med/High544.81.1014
5-Band Windward/Leeward High486.31.2338
Windward/Leeward 60-40 Low884.60.6783
Windward/Leeward 60-40 Low/Med724.50.8281
Windward/Leeward 60-40 Medium627.70.9558
Windward/Leeward 60-40 Med/High565.21.0616
Windward/Leeward 60-40 High516.81.1609
5-Band AP Low684.70.8763
5-Band AP Low/Med575.61.0424
5-Band AP Medium503.51.1916
5-Band AP Med/High448.61.3376
5-Band AP High406.91.4746
5-Band SF Bay Tour - Low835.40.7182
5-Band SF Bay Tour - Low/Med685.10.8757
5-Band SF Bay Tour - Medium591.71.0141
5-Band SF Bay Tour - Med/High527.11.1383
5-Band SF Bay Tour - High477.11.2575
Chicago-Mac Upwind1.0588
Chicago-Mac All Purpose1.1006
Chicago-Mac Downwind1.1510
Bayview-Mac Cove Island1.0208
Bayview-Mac Shore1.0289
Harvest Moon Regatta430.51.3937

International
Certificate
2024

Boat

LUCKY DUCK

USA 38904

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 90Measurement24/08/2022HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.248Max. Beam2.590Draft2.020Displacement1,539Wetted area13.78IMS L8.492LSM07.761Acc. length8.418Sink (kg/mm) 10.81
VCGD-0.509VCGM-0.459RM Rated (kg·m) 45.7Limit of positive stability(°) 124.1Stability Index117.0Default crew weight480Declared crew weight700
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P10.927IG10.855ISP12.100MDT10.101MDL10.143MDT20.083MDL20.086TL1.201MW0.155GO0.174
E4.420J3.200BAS1.411FSDSFJSPLWPLTPS5.488BD0.113MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date24/08/2022
SFFP0.610FFM0.935FF0.935LCFcl4.864SG1.0240
SAFP9.179FAM0.653FA0.653LCFsh5.037HBI0.755
W146.9W246.9W346.9W446.9
PD1425.0PD2425.0PD3425.0PD4425.0
WD9.552PLM2545.00GSA49.5RSA2028.0RM45.8
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

International
Certificate
2024

Boat

LUCKY DUCK

USA 38904

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.170.951.682.853.7128.81
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment#3 Jib0.080.480.971.802.653.2610.84NoNo 19.0008/11/2022OUS 128432-03
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentCode 2415.1912.0913.648.578.7698%97.8408/11/2022OUS 1284320-04