Non Spin/HSFClub Certificate2025
Leda 3NOR 12485
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 Angles43.3°43.3°40.9°39.3°38.3°37.8°38.2°38.6°40.3°
Beat VMG2.473.404.124.624.884.995.055.084.97
52°3.855.176.086.636.907.037.097.157.14
60°4.105.446.316.807.077.227.297.387.37
75°4.275.626.476.937.237.457.607.777.85
90°4.135.516.426.937.267.537.778.138.34
110°3.534.895.966.707.137.477.798.408.97
120°3.294.615.696.497.007.357.678.339.06
135°2.794.015.105.986.647.077.408.038.73
150°2.313.404.415.255.986.576.977.598.21
Run VMG2.022.953.824.685.456.146.687.398.00
Gybe Angles144.9°144.9°146.2°172.6°174.4°175.7°177.7°178.6°178.4°
APH ToD:598.6CDL: 8.632APH ToT: 1.0023CertNo:9835
BOAT
ClassFirst 34.7DesignerB.FarrBuilderBeneteauAge date01/2008Series date01/2004Offset fileFIRST347.offData file9835
HULL
Length Overall9.980 mMaximum Beam3.372 mDraft1.996 mDisplacement4,539 kgDLR6.6510IMS DivisionCruiser/RacerDynamic Allowance0.260%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight500 kg(declared)Minimum weight370 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.3635.12Headsail Luffed26.4226.42Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail10.06Storm Jib8.68Heavy Weather Jib23.42
SAIL LIMITS
Headsails5
✱ Zero set flying
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
Leda 3NOR 12485
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 VMG1456.61059.6874.4779.4737.3720.9712.6709.1724.2
52°934.3696.9592.4543.2521.5512.4507.6503.2504.6
60°878.0662.3570.8529.3509.1498.6493.5487.7488.4
75°843.5640.6556.5519.1497.9483.4473.5463.3458.7
90°870.7653.5560.5519.1496.0478.3463.4443.0431.6
110°1019.1736.2603.8537.6504.6482.0462.3428.6401.4
120°1093.0781.6633.0554.4514.6490.0469.2432.3397.3
135°1288.2896.7706.0602.1542.3509.2486.5448.3412.6
150°1556.41058.6816.2686.0601.6548.4516.4474.5438.8
Run VMG1779.31222.4942.4769.6660.4586.5538.5486.9450.0
Selected Courses
Windward / Leeward1616.11141.0908.4774.5698.8653.7625.6598.0587.1
All purpose1209.5868.6706.9621.6574.8547.3529.2506.7493.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward735.60.8156
All purpose598.61.0023
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7509
Downwind "popa"0.8066
70% up, 30% down "Ilhabela"0.7668
30% up, 70% down "Ilhabela-inverso"0.7891
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Predominantly Upwind632.90.9481
Predominantly Downwind626.10.9582
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low787.70.7617
Triple Number AP Medium594.61.0090
Triple Number AP High525.31.1422
Triple Number Windward/Leeward Low1070.60.5604
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Single Number Predominant Upwind658.10.9117
Single Number Predominant Reaching598.11.0032
Single Number Predominant Downwind657.80.9121
Predominant Upwind - Low914.40.6561
Predominant Upwind - Low/Med695.60.8626
Predominant Upwind - Medium610.30.9831
Predominant Upwind - Med/High569.31.0539
Predominant Upwind - High554.61.0820
Predominant Downwind Low1007.30.5957
Predominant Downwind Low/Med725.00.8276
Predominant Downwind Medium599.51.0008
Predominant Downwind Med/High524.51.1439
Predominant Downwind High488.31.2287
Predominant Reaching Low849.00.7067
Predominant Reaching Low/Med640.30.9371
Predominant Reaching Medium554.91.0812
Predominant Reaching Med/High506.31.1852
Predominant Reaching High481.51.2462
SA/DSPL Upwind22.06SA/DSPL Downwind22.06
Scoring OptionTODTOT
5-Band Windward/Leeward Low1202.10.4991
5-Band Windward/Leeward Low/Med864.50.6940
5-Band Windward/Leeward Medium715.20.8389
5-Band Windward/Leeward Med/High631.90.9496
5-Band Windward/Leeward High600.90.9985
Windward/Leeward 60-40 Low1184.20.5067
Windward/Leeward 60-40 Low/Med861.20.6967
Windward/Leeward 60-40 Medium722.30.8306
Windward/Leeward 60-40 Med/High648.60.9251
Windward/Leeward 60-40 High623.20.9628
5-Band AP Low884.40.6784
5-Band AP Low/Med681.20.8809
5-Band AP Medium585.21.0253
5-Band AP Med/High532.31.1272
5-Band AP High508.31.1805
5-Band SF Bay Tour - Low1027.00.5842
5-Band SF Bay Tour - Low/Med823.20.7289
5-Band SF Bay Tour - Medium690.90.8685
5-Band SF Bay Tour - Med/High620.10.9676
5-Band SF Bay Tour - High593.11.0116
Chicago-Mac Upwind0.8834
Chicago-Mac All Purpose0.8841
Chicago-Mac Downwind0.8744
Bayview-Mac Cove Island0.6339
Bayview-Mac Shore0.6416
Harvest Moon Regatta521.81.1498
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance654.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating654.70.9164
FinRating, kevyt tuuli1183.00.8453
FinRating, kova tuuli512.60.9754
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9164
Triple Number Coastal/Long Distance Low0.7617
Triple Number Coastal/Long Distance Medium1.0092
Triple Number Coastal/Long Distance High1.1422
Triple Number Windward/Leeward Low0.5855
Triple Number Windward/Leeward Medium0.8216
Triple Number Windward/Leeward High0.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
For information
General Purpose Handicap (GPH)675.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low787.7
Triple Number Coastal/Long Distance Medium594.5
Triple Number Coastal/Long Distance High525.3
Triple Number Windward/Leeward Low1024.8
Triple Number Windward/Leeward Medium730.3
Triple Number Windward/Leeward High622.3
Predominantly Upwind632.9
Predominantly Downwind626.1
Predominantly Reaching590.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7617
Triple Number Coastal/Long Distance Medium1.0092
Triple Number Coastal/Long Distance High1.1422
Triple Number Windward/Leeward Low0.5855
Triple Number Windward/Leeward Medium0.8216
Triple Number Windward/Leeward High0.9642
Coastal/Long Distance0.9164
Predominantly Upwind0.9481
Predominantly Downwind0.9582
For information
General Purpose Handicap (GPH)675.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0023
Distanseseilas Trippeltall svak vind0.7617
Distanseseilas Trippeltall mellomvind1.0092
Distanseseilas Trippeltall sterk vind1.1422
Pølsebane Trippeltall svak vind0.5855
Pølsebane Trippeltall mellomvind0.8216
Pølsebane Trippeltall sterk vind0.9642
Motvind Singeltall0.9481
Medvind Singeltall0.9582
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Coastal/Long Distance654.70.9164
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind632.90.9481
Predominantly Downwind626.10.9582
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore590.31.0164
Cape Doctor Coastal497.31.2064
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7617
Triple Number Coastal/Long Distance Medium1.0092
Triple Number Coastal/Long Distance High1.1422
Triple Number Windward/Leeward Low0.5855
Triple Number Windward/Leeward Medium0.8216
Triple Number Windward/Leeward High0.9642
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7617
Triple Number Coastal/Long Distance Medium1.0092
Triple Number Coastal/Long Distance High1.1422
Triple Number Windward/Leeward Low0.5855
Triple Number Windward/Leeward Medium0.8216
Triple Number Windward/Leeward High0.9642
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Predominantly Upwind632.90.9481
Predominantly Downwind626.10.9582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.70.9164
Triple Number Coastal/Long Distance Low787.70.7617
Triple Number Coastal/Long Distance Medium594.51.0092
Triple Number Coastal/Long Distance High525.31.1422
Triple Number Windward/Leeward Low1024.80.5855
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.31149.1855.8700.3613.6568.6535.9485.6469.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low787.70.7617
Triple Number AP Medium594.61.0090
Triple Number AP High525.31.1422
Triple Number Windward/Leeward Low1070.60.5604
Triple Number Windward/Leeward Medium730.30.8216
Triple Number Windward/Leeward High622.30.9642
Single Number Predominant Upwind658.10.9117
Single Number Predominant Reaching598.11.0032
Single Number Predominant Downwind657.80.9121
Predominant Upwind - Low914.40.6561
Predominant Upwind - Low/Med695.60.8626
Predominant Upwind - Medium610.30.9831
Predominant Upwind - Med/High569.31.0539
Predominant Upwind - High554.61.0820
Predominant Downwind Low1007.30.5957
Predominant Downwind Low/Med725.00.8276
Predominant Downwind Medium599.51.0008
Predominant Downwind Med/High524.51.1439
Predominant Downwind High488.31.2287
Predominant Reaching Low849.00.7067
Predominant Reaching Low/Med640.30.9371
Predominant Reaching Medium554.91.0812
Predominant Reaching Med/High506.31.1852
Predominant Reaching High481.51.2462
SA/DSPL Upwind22.06SA/DSPL Downwind22.06
Scoring OptionTODTOT
5-Band Windward/Leeward Low1202.10.4991
5-Band Windward/Leeward Low/Med864.50.6940
5-Band Windward/Leeward Medium715.20.8389
5-Band Windward/Leeward Med/High631.90.9496
5-Band Windward/Leeward High600.90.9985
Windward/Leeward 60-40 Low1184.20.5067
Windward/Leeward 60-40 Low/Med861.20.6967
Windward/Leeward 60-40 Medium722.30.8306
Windward/Leeward 60-40 Med/High648.60.9251
Windward/Leeward 60-40 High623.20.9628
5-Band AP Low884.40.6784
5-Band AP Low/Med681.20.8809
5-Band AP Medium585.21.0253
5-Band AP Med/High532.31.1272
5-Band AP High508.31.1805
5-Band SF Bay Tour - Low1027.00.5842
5-Band SF Bay Tour - Low/Med823.20.7289
5-Band SF Bay Tour - Medium690.90.8685
5-Band SF Bay Tour - Med/High620.10.9676
5-Band SF Bay Tour - High593.11.0116
Chicago-Mac Upwind0.8834
Chicago-Mac All Purpose0.8841
Chicago-Mac Downwind0.8744
Bayview-Mac Cove Island0.6339
Bayview-Mac Shore0.6416
Harvest Moon Regatta521.81.1498
Non Spin/HSFClub Certificate2025
Leda 3NOR 12485
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFirst 34.7MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.980Max. Beam3.372Draft1.996Displacement4,539Wetted area21.98IMS L9.059LSM08.804Acc. length9.982Sink (kg/mm) 16.34
VCGD-0.110VCGM-0.091RM Rated (kg·m) 101.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight574Declared crew weight500
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0032
EDL1.780ST10.040ST20.180
ST30.180ST40.110ST50.270
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P12.800IG13.170ISP13.760MDT10.100MDL10.180MDT20.100MDL20.150TL1.230MW0.150GO0.150
E4.490J3.670BAS1.540FSDFoilSFJ0.000SPL0.000WPLTPS5.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.110Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
Leda 3NOR 12485
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2019042908280.100.001.692.893.7534.3629/04/20191-2019060410450.080.001.692.893.7534.3504/06/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment468-2024042210540.060.561.052.502.973.8312.60YesNo 26.4222/04/2024
CRUISER/RACER REQUIREMENTS*
Accommodation length10.0 mTable area0.44 m²Headroom1.70 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity80 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity50 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.