Non Spin/HSFClub Certificate2025
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles45.0°45.0°43.4°42.3°41.0°40.0°39.8°40.5°42.4°
Beat VMG2.012.803.423.884.244.454.534.504.34
52°3.184.345.215.806.186.416.526.566.49
60°3.404.615.486.036.376.596.726.796.76
75°3.544.775.656.226.556.776.957.167.21
90°3.464.695.596.206.576.827.037.397.62
110°3.034.235.225.986.466.787.057.558.03
120°2.834.005.005.786.336.686.967.488.01
135°2.433.534.535.335.986.436.747.267.79
150°2.063.054.004.825.526.096.497.037.52
Run VMG1.782.653.494.284.995.616.136.797.28
Gybe Angles151.9°151.9°156.8°178.4°178.9°179.3°179.5°179.8°180.0°
APH ToD:672.1CDL: 7.139APH ToT: 0.8927CertNo:666839
BOAT
ClassDUFOUR 30 CLASSICDesignerOlivierPoncinandJ&JDesignsBuilderDufour YachtsAge date01/1999Series date01/1996Offset fileDU30CLAS.offData file666839
HULL
Length Overall9.040 mMaximum Beam3.040 mDraft1.559 mDisplacement3,536 kgDLR7.2064IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight491 kg(default)Minimum weight361 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.9522.36Headsail Luffed18.7518.75Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.64Storm Jib6.59Heavy Weather Jib17.80
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ 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
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1790.31288.01051.8927.8849.9808.2795.2799.5829.7
52°1133.5829.6690.4620.6582.4561.4551.9548.8554.5
60°1058.2781.4657.1596.7564.9546.1535.7530.2532.4
75°1016.1754.0636.8579.0550.0531.6517.9502.9499.6
90°1040.1767.9644.1580.4548.1528.0511.9486.9472.7
110°1188.2850.5689.1602.4557.1530.6510.5476.8448.4
120°1271.8899.3719.6622.4568.8538.9517.5481.3449.5
135°1480.61019.7795.4674.8601.6559.5533.8495.6462.3
150°1749.01178.9899.1746.1652.0591.4555.0512.3478.6
Run VMG2022.21359.51030.7841.4721.9641.4587.3530.6494.7
Selected Courses
Windward / Leeward1903.11323.71041.3884.6785.9724.8691.3665.0662.2
All purpose1427.81011.4811.7704.8641.6603.7582.2560.1551.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward830.30.7226
All purpose672.10.8927
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6441
Downwind "popa"0.7352
70% up, 30% down "Ilhabela"0.6690
30% up, 70% down "Ilhabela-inverso"0.7053
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Predominantly Upwind718.60.8350
Predominantly Downwind697.50.8602
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low911.60.6582
Triple Number AP Medium667.50.8989
Triple Number AP High579.31.0358
Triple Number Windward/Leeward Low1239.20.4842
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Single Number Predominant Upwind751.10.7988
Single Number Predominant Reaching673.90.8903
Single Number Predominant Downwind736.00.8152
Predominant Upwind - Low1084.40.5533
Predominant Upwind - Low/Med806.60.7439
Predominant Upwind - Medium689.60.8701
Predominant Upwind - Med/High629.70.9528
Predominant Upwind - High615.00.9755
Predominant Downwind Low1153.50.5202
Predominant Downwind Low/Med815.50.7357
Predominant Downwind Medium665.40.9017
Predominant Downwind Med/High576.51.0408
Predominant Downwind High537.91.1154
Predominant Reaching Low988.50.6070
Predominant Reaching Low/Med728.90.8232
Predominant Reaching Medium619.10.9691
Predominant Reaching Med/High557.61.0760
Predominant Reaching High530.91.1302
SA/DSPL Upwind17.47SA/DSPL Downwind17.47
Scoring OptionTODTOT
5-Band Windward/Leeward Low1398.80.4290
5-Band Windward/Leeward Low/Med989.90.6061
5-Band Windward/Leeward Medium805.50.7449
5-Band Windward/Leeward Med/High700.40.8566
5-Band Windward/Leeward High669.10.8968
Windward/Leeward 60-40 Low1389.90.4317
Windward/Leeward 60-40 Low/Med994.60.6033
Windward/Leeward 60-40 Medium818.00.7335
Windward/Leeward 60-40 Med/High720.90.8323
Windward/Leeward 60-40 High696.00.8620
5-Band AP Low1025.50.5851
5-Band AP Low/Med778.30.7709
5-Band AP Medium655.00.9161
5-Band AP Med/High587.11.0220
5-Band AP High562.41.0669
5-Band SF Bay Tour - Low1195.10.5020
5-Band SF Bay Tour - Low/Med947.00.6336
5-Band SF Bay Tour - Medium779.50.7697
5-Band SF Bay Tour - Med/High687.40.8729
5-Band SF Bay Tour - High660.90.9079
Chicago-Mac Upwind0.7688
Chicago-Mac All Purpose0.7790
Chicago-Mac Downwind0.7801
Bayview-Mac Cove Island0.5471
Bayview-Mac Shore0.5530
Harvest Moon Regatta577.21.0395
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance734.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating734.80.8165
FinRating, kevyt tuuli1377.80.7258
FinRating, kova tuuli567.00.8819
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8165
Triple Number Coastal/Long Distance Low0.6582
Triple Number Coastal/Long Distance Medium0.8991
Triple Number Coastal/Long Distance High1.0358
Triple Number Windward/Leeward Low0.5074
Triple Number Windward/Leeward Medium0.7274
Triple Number Windward/Leeward High0.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
For information
General Purpose Handicap (GPH)764.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low911.6
Triple Number Coastal/Long Distance Medium667.3
Triple Number Coastal/Long Distance High579.3
Triple Number Windward/Leeward Low1182.5
Triple Number Windward/Leeward Medium824.9
Triple Number Windward/Leeward High689.8
Predominantly Upwind718.6
Predominantly Downwind697.5
Predominantly Reaching660.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6582
Triple Number Coastal/Long Distance Medium0.8991
Triple Number Coastal/Long Distance High1.0358
Triple Number Windward/Leeward Low0.5074
Triple Number Windward/Leeward Medium0.7274
Triple Number Windward/Leeward High0.8698
Coastal/Long Distance0.8165
Predominantly Upwind0.8350
Predominantly Downwind0.8602
For information
General Purpose Handicap (GPH)764.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8927
Distanseseilas Trippeltall svak vind0.6582
Distanseseilas Trippeltall mellomvind0.8991
Distanseseilas Trippeltall sterk vind1.0358
Pølsebane Trippeltall svak vind0.5074
Pølsebane Trippeltall mellomvind0.7274
Pølsebane Trippeltall sterk vind0.8698
Motvind Singeltall0.8350
Medvind Singeltall0.8602
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Coastal/Long Distance734.80.8165
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind718.60.8350
Predominantly Downwind697.50.8602
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore663.00.9049
Cape Doctor Coastal553.81.0834
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6582
Triple Number Coastal/Long Distance Medium0.8991
Triple Number Coastal/Long Distance High1.0358
Triple Number Windward/Leeward Low0.5074
Triple Number Windward/Leeward Medium0.7274
Triple Number Windward/Leeward High0.8698
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6582
Triple Number Coastal/Long Distance Medium0.8991
Triple Number Coastal/Long Distance High1.0358
Triple Number Windward/Leeward Low0.5074
Triple Number Windward/Leeward Medium0.7274
Triple Number Windward/Leeward High0.8698
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Predominantly Upwind718.60.8350
Predominantly Downwind697.50.8602
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance734.80.8165
Triple Number Coastal/Long Distance Low911.60.6582
Triple Number Coastal/Long Distance Medium667.30.8991
Triple Number Coastal/Long Distance High579.31.0358
Triple Number Windward/Leeward Low1182.50.5074
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2047.11327.3979.0796.2685.9626.8588.4534.5520.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low911.60.6582
Triple Number AP Medium667.50.8989
Triple Number AP High579.31.0358
Triple Number Windward/Leeward Low1239.20.4842
Triple Number Windward/Leeward Medium824.90.7274
Triple Number Windward/Leeward High689.80.8698
Single Number Predominant Upwind751.10.7988
Single Number Predominant Reaching673.90.8903
Single Number Predominant Downwind736.00.8152
Predominant Upwind - Low1084.40.5533
Predominant Upwind - Low/Med806.60.7439
Predominant Upwind - Medium689.60.8701
Predominant Upwind - Med/High629.70.9528
Predominant Upwind - High615.00.9755
Predominant Downwind Low1153.50.5202
Predominant Downwind Low/Med815.50.7357
Predominant Downwind Medium665.40.9017
Predominant Downwind Med/High576.51.0408
Predominant Downwind High537.91.1154
Predominant Reaching Low988.50.6070
Predominant Reaching Low/Med728.90.8232
Predominant Reaching Medium619.10.9691
Predominant Reaching Med/High557.61.0760
Predominant Reaching High530.91.1302
SA/DSPL Upwind17.47SA/DSPL Downwind17.47
Scoring OptionTODTOT
5-Band Windward/Leeward Low1398.80.4290
5-Band Windward/Leeward Low/Med989.90.6061
5-Band Windward/Leeward Medium805.50.7449
5-Band Windward/Leeward Med/High700.40.8566
5-Band Windward/Leeward High669.10.8968
Windward/Leeward 60-40 Low1389.90.4317
Windward/Leeward 60-40 Low/Med994.60.6033
Windward/Leeward 60-40 Medium818.00.7335
Windward/Leeward 60-40 Med/High720.90.8323
Windward/Leeward 60-40 High696.00.8620
5-Band AP Low1025.50.5851
5-Band AP Low/Med778.30.7709
5-Band AP Medium655.00.9161
5-Band AP Med/High587.11.0220
5-Band AP High562.41.0669
5-Band SF Bay Tour - Low1195.10.5020
5-Band SF Bay Tour - Low/Med947.00.6336
5-Band SF Bay Tour - Medium779.50.7697
5-Band SF Bay Tour - Med/High687.40.8729
5-Band SF Bay Tour - High660.90.9079
Chicago-Mac Upwind0.7688
Chicago-Mac All Purpose0.7790
Chicago-Mac Downwind0.7801
Bayview-Mac Cove Island0.5471
Bayview-Mac Shore0.5530
Harvest Moon Regatta577.21.0395
Non Spin/HSFClub Certificate2025
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 30 CLASSICMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.040Max. Beam3.040Draft1.559Displacement3,536Wetted area18.59IMS L8.105LSM07.886Acc. length9.040Sink (kg/mm) 14.37
VCGD0.180VCGM0.218RM Rated (kg·m) 68.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight491Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.360PBWPIPA0.0031
EDL1.610ST10.035ST20.180
ST30.180ST40.100ST50.290
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P10.190IG11.480ISP11.480MDT10.120MDL10.180MDT20.120MDL20.180TL0.000MW0.000GO0.000
E3.720J3.340BAS1.630FSDFoilSFJ0.000SPL3.420WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.180Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment372-2015040212000.130.741.342.303.0521.9502/04/2015
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment372-2015040212010.040.410.781.612.533.5211.14NoNo 18.7502/04/2015
CRUISER/RACER REQUIREMENTS*
Accommodation length9.0 mTable area0.44 m²Headroom1.62 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity60 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity30 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.