International
Certificate
2023

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
Beat Angles42.3°39.6°36.4°35.1°35.0°35.0°35.0°
Beat VMG3.824.665.195.405.505.565.60
52°5.766.697.157.417.577.687.82
60°6.046.867.347.677.878.028.21
75°6.206.977.517.988.378.639.00
90°6.157.027.498.068.649.2010.00
110°6.307.287.968.468.959.4410.62
120°6.177.238.038.829.4810.1611.75
135°5.546.807.668.579.6611.0913.54
150°4.695.906.817.628.409.4212.96
Run VMG4.065.115.906.607.278.1611.22
Gybe Angles143.3°147.1°149.8°149.6°146.9°144.7°144.7°

APH: 508.9

CDL: 9.242

GPH: 570.6

CertNo: 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 kgMinimum weight525 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 Index118.1
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.
ORC Ref  04560002RJMIssued on 18/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

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
Beat VMG943.6772.4694.1666.9654.5647.5642.4
52°624.6537.9503.5485.7475.7468.8460.6
60°596.0524.5490.6469.2457.5449.1438.6
75°580.7516.2479.2450.9430.3417.2399.9
90°585.3512.5480.6446.8416.4391.3360.0
110°571.2494.8452.5425.6402.3381.3339.1
120°583.3498.2448.2408.3379.7354.3306.4
135°649.6529.6470.2420.1372.7324.7265.8
150°768.4610.0528.7472.4428.7382.0277.8
Run VMG887.3704.4610.5545.5495.0441.1320.7
Selected Courses
Windward / Leeward915.4738.4652.3606.2574.8544.3481.6
All purpose709.2590.4532.7496.9470.2446.0403.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward625.40.9594
All purpose508.91.1789
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8364
Downwind "popa"1.0488
70% up, 30% down "Ilhabela"0.8905
30% up, 70% down "Ilhabela-inverso"0.9746
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Predominantly Upwind556.11.0789
Predominantly Downwind508.51.1800
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low649.80.9234
Triple Number All Purpose Medium509.91.1766
Triple Number All Purpose High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Predominantly Upwind556.11.0789
Predominantly Downwind508.51.1800
Predominantly Upwind Low722.70.8302
Predominantly Upwind Medium577.71.0385
Predominantly Upwind High536.31.1188
Predominantly Downwind Low702.80.8538
Predominantly Downwind Medium509.81.1770
Predominantly Downwind High384.51.5604
Chicago-Mac Upwind1.0609
Chicago-Mac All Purpose1.1041
Chicago-Mac Downwind1.1557
Bayview-Mac Cove Island1.0246
Bayview-Mac Shore1.0327
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching481.71.2457
Predominantly Reaching Low592.61.0125
Predominantly Reaching Medium482.31.2440
Predominantly Reaching High396.41.5137
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low901.80.6653
5-Band Low / Medium759.30.7902
5-Band Medium614.40.9765
5-Band Medium / High544.11.1028
5-Band High492.41.2185
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance551.6
Triple Number Coastal/Long Distance Low649.8
Triple Number Coastal/Long Distance Medium509.9
Triple Number Coastal/Long Distance High436.2
Triple Number Windward/Leeward Low826.9
Triple Number Windward/Leeward Medium624.7
Triple Number Windward/Leeward High528.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9234
Triple Number Coastal/Long Distance Medium1.1766
Triple Number Coastal/Long Distance High1.3755
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low649.8
Triple Number Coastal/Long Distance Medium509.9
Triple Number Coastal/Long Distance High436.2
Triple Number Windward/Leeward Low826.9
Triple Number Windward/Leeward Medium624.7
Triple Number Windward/Leeward High528.4
Predominantly Upwind556.1
Predominantly Downwind508.5
Predominantly Reaching490.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9234
Triple Number Coastal/Long Distance Medium1.1766
Triple Number Coastal/Long Distance High1.3755
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1355
Coastal/Long Distance1.0878
Predominantly Upwind1.0789
Predominantly Downwind1.1800
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9234
Tretall Distanseseilas Mellomvind1.1766
Tretall Distanseseilas Mye vind1.3755
Tretall Pølsebane Lite vind0.7256
Tretall Pølsebane Mellomvind0.9605
Tretall Pølsebane Mye vind1.1355
Distanseseilas ett tall (OSN 8-16kn)1.0878
Distanseseilas ett tall (APH 6-20kn)1.1789
Enkeltall Motvind1.0789
Enkeltall Medvind1.1800
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Coastal/Long Distance551.61.0878
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind556.11.0789
Predominantly Downwind508.51.1800
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore500.41.1991
Cape Doctor Coastal416.41.4409
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9234
Triple Number Coastal/Long Distance Medium1.1766
Triple Number Coastal/Long Distance High1.3755
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1355
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9234
Triple Number Coastal/Long Distance Medium1.1766
Triple Number Coastal/Long Distance High1.3755
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1355
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Predominantly Upwind556.11.0789
Predominantly Downwind508.51.1800
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.61.0878
Triple Number Coastal/Long Distance Low649.80.9234
Triple Number Coastal/Long Distance Medium509.91.1766
Triple Number Coastal/Long Distance High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance912.6697.9593.6529.1488.4450.3382.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low649.80.9234
Triple Number All Purpose Medium509.91.1766
Triple Number All Purpose High436.21.3755
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High528.41.1355
Predominantly Upwind556.11.0789
Predominantly Downwind508.51.1800
Predominantly Upwind Low722.70.8302
Predominantly Upwind Medium577.71.0385
Predominantly Upwind High536.31.1188
Predominantly Downwind Low702.80.8538
Predominantly Downwind Medium509.81.1770
Predominantly Downwind High384.51.5604
Chicago-Mac Upwind1.0609
Chicago-Mac All Purpose1.1041
Chicago-Mac Downwind1.1557
Bayview-Mac Cove Island1.0246
Bayview-Mac Shore1.0327
Harvest Moon Regatta427.91.4021
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy514.71.1657
San Francisco Bay Medium610.50.9829
Predominantly Reaching481.71.2457
Predominantly Reaching Low592.61.0125
Predominantly Reaching Medium482.31.2440
Predominantly Reaching High396.41.5137
Windward/Leeward 60-40 Low833.10.7202
Windward/Leeward 60-40 Medium644.10.9315
Windward/Leeward 60-40 High568.91.0547
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low901.80.6653
5-Band Low / Medium759.30.7902
5-Band Medium614.40.9765
5-Band Medium / High544.11.1028
5-Band High492.41.2185
ORC Ref  04560002RJMIssued on 18/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

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 90Measurement29/06/1994HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.248Max. Beam2.590Draft2.020Displacement1,539Wetted area13.78IMS L8.455LSM07.761Acc. length8.418Sink (kg/mm) 10.81
VCGD-0.509VCGM-0.459RM Rated (kg·m) 45.7Limit of positive stability(°) 125.3Stability Index118.1
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/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 Date24/08/2022MeasurerComment
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
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002RJMIssued on 18/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

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
ORC Ref  04560002RJMIssued on 18/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org