Non Spin/HSFClub Certificate2025
SPLASHDANCEIRL 4073
ORC
Central Rating Office
Issuing certificates for
Ireland
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 Angles45.1°45.1°43.1°41.5°40.1°39.1°38.6°39.3°40.4°
Beat VMG2.303.234.004.585.035.305.425.485.41
52°3.665.026.076.807.287.567.707.797.80
60°3.945.356.387.077.497.757.918.048.07
75°4.135.576.617.277.677.958.178.468.58
90°4.025.476.537.257.687.998.258.739.07
110°3.464.856.016.917.507.898.228.859.49
120°3.214.565.726.647.327.758.098.749.43
135°2.723.975.116.056.847.417.808.439.08
150°2.273.364.405.296.086.767.297.998.59
Run VMG1.982.913.814.715.526.256.907.788.39
Gybe Angles144.8°144.8°145.9°176.6°178.9°179.8°179.8°180.0°179.9°
APH ToD:581.8CDL: 9.848APH ToT: 1.0313CertNo:
BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date01/2003Series date01/2002Offset fileDUFOUR40E.offData fileIRL4073
HULL
Length Overall12.013 mMaximum Beam3.878 mDraft2.108 mDisplacement8,042 kgDLR6.4515IMS DivisionCruiser/RacerDynamic Allowance0.310%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight850 kg(declared)Minimum weight720 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail44.7345.55Headsail Luffed31.1231.12Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail13.63Storm Jib11.91Heavy Weather Jib32.15
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
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.
Non Spin/HSFClub Certificate2025
SPLASHDANCEIRL 4073
ORC
Central Rating Office
Issuing certificates for
Ireland
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 VMG1563.81114.1900.0785.6715.3679.1664.7657.0664.9
52°983.1716.7593.2529.2494.4476.5467.7461.9461.8
60°913.7673.1563.9509.1480.5464.3454.9447.6446.0
75°872.6646.1544.6495.0469.5453.1440.7425.3419.6
90°894.6658.7551.1496.3468.5450.8436.3412.4396.8
110°1039.3741.6598.7521.2479.8456.1438.1406.6379.3
120°1120.2789.3629.1541.8492.1464.4445.2412.0381.9
135°1324.0907.8704.8594.8526.6485.8461.4427.0396.7
150°1588.51070.6817.5680.4592.0532.3493.5450.8419.2
Run VMG1817.31236.2944.0765.0652.1575.6521.6462.5428.9
Selected Courses
Windward / Leeward1689.51175.2922.0775.3683.7627.3593.1559.8546.9
All purpose1258.5888.4709.9612.8554.5519.7498.3473.7459.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward723.90.8288
All purpose581.81.0313
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7614
Downwind "popa"0.8144
70% up, 30% down "Ilhabela"0.7766
30% up, 70% down "Ilhabela-inverso"0.7978
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Predominantly Upwind616.20.9737
Predominantly Downwind613.20.9784
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low799.20.7508
Triple Number AP Medium578.31.0376
Triple Number AP High494.41.2136
Triple Number Windward/Leeward Low1098.10.5464
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Single Number Predominant Upwind644.00.9317
Single Number Predominant Reaching582.81.0295
Single Number Predominant Downwind646.50.9281
Predominant Upwind - Low945.20.6348
Predominant Upwind - Low/Med696.10.8619
Predominant Upwind - Medium589.71.0175
Predominant Upwind - Med/High533.71.1243
Predominant Upwind - High515.01.1651
Predominant Downwind Low1025.70.5850
Predominant Downwind Low/Med722.10.8309
Predominant Downwind Medium583.71.0278
Predominant Downwind Med/High499.31.2017
Predominant Downwind High460.61.3026
Predominant Reaching Low865.60.6932
Predominant Reaching Low/Med633.90.9465
Predominant Reaching Medium534.51.1226
Predominant Reaching Med/High477.31.2571
Predominant Reaching High450.51.3320
SA/DSPL Upwind18.77SA/DSPL Downwind18.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1240.70.4836
5-Band Windward/Leeward Low/Med872.40.6878
5-Band Windward/Leeward Medium701.80.8549
5-Band Windward/Leeward Med/High600.90.9985
5-Band Windward/Leeward High563.31.0651
Windward/Leeward 60-40 Low1227.20.4889
Windward/Leeward 60-40 Low/Med870.70.6891
Windward/Leeward 60-40 Medium707.90.8476
Windward/Leeward 60-40 Med/High614.70.9760
Windward/Leeward 60-40 High582.61.0299
5-Band AP Low901.40.6656
5-Band AP Low/Med679.00.8836
5-Band AP Medium566.71.0588
5-Band AP Med/High502.51.1941
5-Band AP High475.51.2618
5-Band SF Bay Tour - Low1055.70.5683
5-Band SF Bay Tour - Low/Med830.20.7227
5-Band SF Bay Tour - Medium676.10.8875
5-Band SF Bay Tour - Med/High587.71.0209
5-Band SF Bay Tour - High555.61.0799
Chicago-Mac Upwind0.8950
Chicago-Mac All Purpose0.8959
Chicago-Mac Downwind0.8852
Bayview-Mac Cove Island0.6227
Bayview-Mac Shore0.6301
Harvest Moon Regatta500.21.1995
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance639.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating639.50.9382
FinRating, kevyt tuuli1220.40.8194
FinRating, kova tuuli479.71.0422
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9382
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium1.0377
Triple Number Coastal/Long Distance High1.2136
Triple Number Windward/Leeward Low0.5722
Triple Number Windward/Leeward Medium0.8333
Triple Number Windward/Leeward High1.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
For information
General Purpose Handicap (GPH)663.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low799.1
Triple Number Coastal/Long Distance Medium578.2
Triple Number Coastal/Long Distance High494.4
Triple Number Windward/Leeward Low1048.6
Triple Number Windward/Leeward Medium720.0
Triple Number Windward/Leeward High589.2
Predominantly Upwind616.2
Predominantly Downwind613.2
Predominantly Reaching575.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium1.0377
Triple Number Coastal/Long Distance High1.2136
Triple Number Windward/Leeward Low0.5722
Triple Number Windward/Leeward Medium0.8333
Triple Number Windward/Leeward High1.0184
Coastal/Long Distance0.9382
Predominantly Upwind0.9737
Predominantly Downwind0.9784
For information
General Purpose Handicap (GPH)663.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0313
Distanseseilas Trippeltall svak vind0.7508
Distanseseilas Trippeltall mellomvind1.0377
Distanseseilas Trippeltall sterk vind1.2136
Pølsebane Trippeltall svak vind0.5722
Pølsebane Trippeltall mellomvind0.8333
Pølsebane Trippeltall sterk vind1.0184
Motvind Singeltall0.9737
Medvind Singeltall0.9784
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Coastal/Long Distance639.50.9382
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind616.20.9737
Predominantly Downwind613.20.9784
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore550.81.0894
Cape Doctor Coastal463.81.2936
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium1.0377
Triple Number Coastal/Long Distance High1.2136
Triple Number Windward/Leeward Low0.5722
Triple Number Windward/Leeward Medium0.8333
Triple Number Windward/Leeward High1.0184
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium1.0377
Triple Number Coastal/Long Distance High1.2136
Triple Number Windward/Leeward Low0.5722
Triple Number Windward/Leeward Medium0.8333
Triple Number Windward/Leeward High1.0184
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Predominantly Upwind616.20.9737
Predominantly Downwind613.20.9784
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.50.9382
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium578.21.0377
Triple Number Coastal/Long Distance High494.41.2136
Triple Number Windward/Leeward Low1048.60.5722
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1830.61181.3865.7695.7594.0540.4504.6454.4437.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low799.20.7508
Triple Number AP Medium578.31.0376
Triple Number AP High494.41.2136
Triple Number Windward/Leeward Low1098.10.5464
Triple Number Windward/Leeward Medium720.00.8333
Triple Number Windward/Leeward High589.21.0184
Single Number Predominant Upwind644.00.9317
Single Number Predominant Reaching582.81.0295
Single Number Predominant Downwind646.50.9281
Predominant Upwind - Low945.20.6348
Predominant Upwind - Low/Med696.10.8619
Predominant Upwind - Medium589.71.0175
Predominant Upwind - Med/High533.71.1243
Predominant Upwind - High515.01.1651
Predominant Downwind Low1025.70.5850
Predominant Downwind Low/Med722.10.8309
Predominant Downwind Medium583.71.0278
Predominant Downwind Med/High499.31.2017
Predominant Downwind High460.61.3026
Predominant Reaching Low865.60.6932
Predominant Reaching Low/Med633.90.9465
Predominant Reaching Medium534.51.1226
Predominant Reaching Med/High477.31.2571
Predominant Reaching High450.51.3320
SA/DSPL Upwind18.77SA/DSPL Downwind18.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1240.70.4836
5-Band Windward/Leeward Low/Med872.40.6878
5-Band Windward/Leeward Medium701.80.8549
5-Band Windward/Leeward Med/High600.90.9985
5-Band Windward/Leeward High563.31.0651
Windward/Leeward 60-40 Low1227.20.4889
Windward/Leeward 60-40 Low/Med870.70.6891
Windward/Leeward 60-40 Medium707.90.8476
Windward/Leeward 60-40 Med/High614.70.9760
Windward/Leeward 60-40 High582.61.0299
5-Band AP Low901.40.6656
5-Band AP Low/Med679.00.8836
5-Band AP Medium566.71.0588
5-Band AP Med/High502.51.1941
5-Band AP High475.51.2618
5-Band SF Bay Tour - Low1055.70.5683
5-Band SF Bay Tour - Low/Med830.20.7227
5-Band SF Bay Tour - Medium676.10.8875
5-Band SF Bay Tour - Med/High587.71.0209
5-Band SF Bay Tour - High555.61.0799
Chicago-Mac Upwind0.8950
Chicago-Mac All Purpose0.8959
Chicago-Mac Downwind0.8852
Bayview-Mac Cove Island0.6227
Bayview-Mac Shore0.6301
Harvest Moon Regatta500.21.1995
Non Spin/HSFClub Certificate2025
SPLASHDANCEIRL 4073
ORC
Central Rating Office
Issuing certificates for
Ireland
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.013Max. Beam3.878Draft2.108Displacement8,042Wetted area31.63IMS L10.980LSM010.761Acc. length12.013Sink (kg/mm) 24.00
VCGD-0.049VCGM0.020RM Rated (kg·m) 202.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight764Declared crew weight850
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0031
EDL2.800ST10.046ST20.170
ST30.172ST40.098ST50.270
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.210IG15.430ISP15.470MDT10.110MDL10.220MDT20.090MDL20.120TL1.300MW0.220GO0.220
E5.480J4.180BAS1.780FSD0.040SFJ0.200SPLWPLTPS4.660BD0.160MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered204.0Flotation Date01/01/2010
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
SPLASHDANCEIRL 4073
ORC
Central Rating Office
Issuing certificates for
Ireland
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0011.001.863.2344.73
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.601.142.244.3813.99NoNo 31.12
CRUISER/RACER REQUIREMENTS*
Accommodation length12.0 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity150 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity90 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.