Club Certificate2025
WindsprintNED 904
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles44.2°44.2°41.8°40.1°39.2°38.5°38.3°38.7°39.7°
Beat VMG2.553.564.394.975.315.475.565.645.59
52°4.045.496.557.247.607.797.897.998.00
60°4.335.816.847.467.818.028.138.258.29
75°4.536.047.047.637.998.268.488.738.86
90°4.486.097.247.818.078.338.639.139.46
110°4.626.297.498.128.598.939.209.6810.12
120°4.496.177.418.088.609.109.5710.2410.89
135°3.875.506.877.738.288.809.3510.6912.81
150°3.254.625.836.907.698.178.619.5611.30
Run VMG2.824.005.055.976.697.157.548.319.79
Gybe Angles142.4°142.4°146.2°148.4°152.3°155.5°159.1°156.8°141.6°
APH ToD:516.1CDL: 10.498APH ToT: 1.1625CertNo:
BOAT
ClassElan 400DesignerRob HumphreysBuilderElanAge date01/2013Series date01/2013Offset fileELAN-400_IK2200.offData fileNED904
HULL
Length Overall11.940 mMaximum Beam3.886 mDraft2.171 mDisplacement7,355 kgDLR5.4126IMS DivisionCruiser/RacerDynamic Allowance0.190%Age Allowance0.390%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight796 kg(default)Minimum weight666 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.9850.83Headsail Luffed35.9635.96Headsail FlyingSymmetricAsymmetric150.44150.44 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.16Storm Jib12.12Heavy Weather Jib32.70
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
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.
Club Certificate2025
WindsprintNED 904
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1413.61011.4820.9724.4678.4658.4647.4638.7644.1
52°891.5656.1549.4497.5473.6462.2456.5450.8450.2
60°831.0619.3526.3482.4460.9449.1442.9436.1434.5
75°794.7596.4511.1471.8450.4435.7424.8412.6406.4
90°804.4591.4497.4460.9446.0432.3417.3394.3380.5
110°778.6572.1480.9443.2419.2403.1391.3371.9355.9
120°801.5583.4485.9445.5418.7395.7376.3351.7330.5
135°929.8654.1524.4465.7434.9408.9385.1336.9281.1
150°1107.1778.8617.1521.9468.0440.5418.1376.7318.6
Run VMG1278.7899.2712.6602.7538.4503.8477.2433.4367.9
Selected Courses
Windward / Leeward1346.1955.3766.7663.6608.4581.1562.3536.0506.0
All purpose1017.1732.6599.4532.7497.7477.5462.4440.1418.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward638.90.9391
All purpose516.11.1625
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8109
Downwind "popa"1.0079
70% up, 30% down "Ilhabela"0.8614
30% up, 70% down "Ilhabela-inverso"0.9394
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Predominantly Upwind562.91.0658
Predominantly Downwind519.41.1552
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low666.00.9009
Triple Number AP Medium512.81.1700
Triple Number AP High457.81.3106
Triple Number Windward/Leeward Low899.20.6672
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Single Number Predominant Upwind587.01.0222
Single Number Predominant Reaching512.21.1713
Single Number Predominant Downwind541.51.1079
Predominant Upwind - Low819.50.7321
Predominant Upwind - Low/Med619.90.9679
Predominant Upwind - Medium544.51.1019
Predominant Upwind - Med/High507.31.1827
Predominant Upwind - High489.41.2260
Predominant Downwind Low792.00.7576
Predominant Downwind Low/Med585.51.0248
Predominant Downwind Medium501.51.1964
Predominant Downwind Med/High449.51.3347
Predominant Downwind High411.91.4566
Predominant Reaching Low714.20.8401
Predominant Reaching Low/Med543.11.1047
Predominant Reaching Medium479.21.2521
Predominant Reaching Med/High439.61.3648
Predominant Reaching High411.31.4586
SA/DSPL Upwind22.57SA/DSPL Downwind52.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1005.90.5965
5-Band Windward/Leeward Low/Med734.80.8166
5-Band Windward/Leeward Medium622.40.9640
5-Band Windward/Leeward Med/High564.91.0621
5-Band Windward/Leeward High535.41.1207
Windward/Leeward 60-40 Low1017.60.5896
Windward/Leeward 60-40 Low/Med746.60.8036
Windward/Leeward 60-40 Medium636.30.9429
Windward/Leeward 60-40 Med/High582.01.0309
Windward/Leeward 60-40 High556.51.0781
5-Band AP Low732.00.8196
5-Band AP Low/Med580.51.0337
5-Band AP Medium505.61.1867
5-Band AP Med/High464.21.2926
5-Band AP High440.31.3627
5-Band SF Bay Tour - Low868.10.6911
5-Band SF Bay Tour - Low/Med702.90.8536
5-Band SF Bay Tour - Medium599.91.0001
5-Band SF Bay Tour - Med/High547.01.0969
5-Band SF Bay Tour - High519.31.1555
Chicago-Mac Upwind0.9900
Chicago-Mac All Purpose1.0309
Chicago-Mac Downwind1.0681
Bayview-Mac Cove Island0.7504
Bayview-Mac Shore0.7547
Harvest Moon Regatta445.91.3456
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance562.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0676
Triple Number Coastal/Long Distance Low0.9009
Triple Number Coastal/Long Distance Medium1.1702
Triple Number Coastal/Long Distance High1.3106
Triple Number Windward/Leeward Low0.6968
Triple Number Windward/Leeward Medium0.9476
Triple Number Windward/Leeward High1.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
For information
General Purpose Handicap (GPH)579.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low666.0
Triple Number Coastal/Long Distance Medium512.7
Triple Number Coastal/Long Distance High457.8
Triple Number Windward/Leeward Low861.1
Triple Number Windward/Leeward Medium633.2
Triple Number Windward/Leeward High557.2
Predominantly Upwind562.9
Predominantly Downwind519.4
Predominantly Reaching499.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9009
Triple Number Coastal/Long Distance Medium1.1702
Triple Number Coastal/Long Distance High1.3106
Triple Number Windward/Leeward Low0.6968
Triple Number Windward/Leeward Medium0.9476
Triple Number Windward/Leeward High1.0769
Coastal/Long Distance1.0676
Predominantly Upwind1.0658
Predominantly Downwind1.1552
For information
General Purpose Handicap (GPH)579.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1625
Distanseseilas Trippeltall svak vind0.9009
Distanseseilas Trippeltall mellomvind1.1702
Distanseseilas Trippeltall sterk vind1.3106
Pølsebane Trippeltall svak vind0.6968
Pølsebane Trippeltall mellomvind0.9476
Pølsebane Trippeltall sterk vind1.0769
Motvind Singeltall1.0658
Medvind Singeltall1.1552
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Coastal/Long Distance562.01.0676
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind562.91.0658
Predominantly Downwind519.41.1552
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore515.01.1650
Cape Doctor Coastal425.21.4111
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9009
Triple Number Coastal/Long Distance Medium1.1702
Triple Number Coastal/Long Distance High1.3106
Triple Number Windward/Leeward Low0.6968
Triple Number Windward/Leeward Medium0.9476
Triple Number Windward/Leeward High1.0769
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9009
Triple Number Coastal/Long Distance Medium1.1702
Triple Number Coastal/Long Distance High1.3106
Triple Number Windward/Leeward Low0.6968
Triple Number Windward/Leeward Medium0.9476
Triple Number Windward/Leeward High1.0769
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Predominantly Upwind562.91.0658
Predominantly Downwind519.41.1552
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance562.01.0676
Triple Number Coastal/Long Distance Low666.00.9009
Triple Number Coastal/Long Distance Medium512.71.1702
Triple Number Coastal/Long Distance High457.81.3106
Triple Number Windward/Leeward Low861.10.6968
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.3949.7719.7598.8531.0495.5466.3420.7400.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low666.00.9009
Triple Number AP Medium512.81.1700
Triple Number AP High457.81.3106
Triple Number Windward/Leeward Low899.20.6672
Triple Number Windward/Leeward Medium633.20.9476
Triple Number Windward/Leeward High557.21.0769
Single Number Predominant Upwind587.01.0222
Single Number Predominant Reaching512.21.1713
Single Number Predominant Downwind541.51.1079
Predominant Upwind - Low819.50.7321
Predominant Upwind - Low/Med619.90.9679
Predominant Upwind - Medium544.51.1019
Predominant Upwind - Med/High507.31.1827
Predominant Upwind - High489.41.2260
Predominant Downwind Low792.00.7576
Predominant Downwind Low/Med585.51.0248
Predominant Downwind Medium501.51.1964
Predominant Downwind Med/High449.51.3347
Predominant Downwind High411.91.4566
Predominant Reaching Low714.20.8401
Predominant Reaching Low/Med543.11.1047
Predominant Reaching Medium479.21.2521
Predominant Reaching Med/High439.61.3648
Predominant Reaching High411.31.4586
SA/DSPL Upwind22.57SA/DSPL Downwind52.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1005.90.5965
5-Band Windward/Leeward Low/Med734.80.8166
5-Band Windward/Leeward Medium622.40.9640
5-Band Windward/Leeward Med/High564.91.0621
5-Band Windward/Leeward High535.41.1207
Windward/Leeward 60-40 Low1017.60.5896
Windward/Leeward 60-40 Low/Med746.60.8036
Windward/Leeward 60-40 Medium636.30.9429
Windward/Leeward 60-40 Med/High582.01.0309
Windward/Leeward 60-40 High556.51.0781
5-Band AP Low732.00.8196
5-Band AP Low/Med580.51.0337
5-Band AP Medium505.61.1867
5-Band AP Med/High464.21.2926
5-Band AP High440.31.3627
5-Band SF Bay Tour - Low868.10.6911
5-Band SF Bay Tour - Low/Med702.90.8536
5-Band SF Bay Tour - Medium599.91.0001
5-Band SF Bay Tour - Med/High547.01.0969
5-Band SF Bay Tour - High519.31.1555
Chicago-Mac Upwind0.9900
Chicago-Mac All Purpose1.0309
Chicago-Mac Downwind1.0681
Bayview-Mac Cove Island0.7504
Bayview-Mac Shore0.7547
Harvest Moon Regatta445.91.3456
Club Certificate2025
WindsprintNED 904
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassElan 400Measurement10/04/2014HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.940Max. Beam3.886Draft2.171Displacement7,355Wetted area31.74IMS L11.306LSM011.075Acc. length11.940Sink (kg/mm) 23.13
VCGD-0.102VCGM-0.076RM Rated (kg·m) 167.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight796Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBWPIPA0.0008
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P15.690IG15.563ISP16.653MDT10.120MDL10.228MDT2MDL2TLNo TaperMWGO
E5.520J4.535BAS1.283FSDFoilSFJ0.350SPLWPLTPS5.805BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/04/2014
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
WindsprintNED 904
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20220.161.091.973.414.5149.98
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20230.100.641.202.343.524.7115.21YesNo 35.96
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment202318.6216.0117.3210.3610.6997%150.44
CRUISER/RACER REQUIREMENTS*
Accommodation length11.9 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity148 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity88 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.