One DesignInternational Certificate2025
FIRST CLASS 8MNA-1234
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 Angles40.9°40.9°38.7°36.4°35.6°35.3°35.2°35.6°36.9°
Beat VMG2.543.454.114.534.704.774.814.834.77
52°3.905.115.846.216.416.496.556.626.64
60°4.105.305.976.326.566.686.766.866.91
75°4.205.406.056.426.736.967.117.307.40
90°4.015.286.076.516.797.057.347.748.00
110°3.945.246.106.597.047.447.788.318.89
120°3.765.065.966.496.967.427.949.1110.31
135°3.284.535.506.186.647.107.619.2712.62
150°2.633.794.825.676.266.697.128.1911.02
Run VMG2.283.284.184.955.626.126.527.319.54
Gybe Angles146.2°146.2°151.4°156.4°163.5°172.7°176.8°171.2°142.7°
APH ToD:606.3CDL: 7.341APH ToT: 0.9896CertNo:FIRST8
BOAT
ClassFIRST CLASS 8DesignerFINOTBuilderBENETEAUAge date02/1992Series date01/1982Offset fileFC8.OD.offData fileFc8
HULL
Length Overall7.785 mMaximum Beam2.498 mDraft1.831 mDisplacement1,466 kgDLR5.0133IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight400 kg(declared)Minimum weight270 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.1121.60Headsail Luffed17.5917.59Headsail FlyingSymmetric44.5044.50Asymmetric
STORM SAIL AREAS (m²)
Trysail5.98Storm Jib4.15Heavy Weather Jib11.19
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment35.4 kg·mStability Index104.0
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.
One DesignInternational Certificate2025
FIRST CLASS 8MNA-1234
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 VMG1416.51044.2875.5794.8765.9754.0748.1745.8754.2
52°922.1704.7616.8579.6562.0554.3549.4543.7541.8
60°877.3679.1602.9569.3548.9538.6532.4524.4521.2
75°858.1667.2595.0561.0535.3517.0506.6493.4486.7
90°898.0682.3593.1553.3530.4510.3490.2465.2449.9
110°914.5686.8589.9546.0511.6483.8462.7433.3404.9
120°958.1711.6603.9555.0517.6485.2453.5395.3349.1
135°1096.1794.6654.0582.3542.2507.0473.2388.3285.3
150°1367.6950.3746.1634.6575.0538.4505.7439.8326.8
Run VMG1582.01097.3860.6727.6640.4588.1552.2492.4377.3
Selected Courses
Windward / Leeward1496.91070.8868.1761.2703.2671.0650.2619.1565.8
All purpose1129.6830.2694.1626.5589.0564.9546.4515.0476.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward733.70.8178
All purpose606.30.9896
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7332
Downwind "popa"0.8470
70% up, 30% down "Ilhabela"0.7640
30% up, 70% down "Ilhabela-inverso"0.8093
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Predominantly Upwind651.40.9211
Predominantly Downwind619.70.9682
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low762.20.7872
Triple Number AP Medium604.30.9929
Triple Number AP High539.31.1126
Triple Number Windward/Leeward Low1011.70.5930
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Single Number Predominant Upwind672.80.8918
Single Number Predominant Reaching603.80.9937
Single Number Predominant Downwind642.40.9340
Predominant Upwind - Low892.70.6721
Predominant Upwind - Low/Med703.10.8534
Predominant Upwind - Medium633.80.9466
Predominant Upwind - Med/High597.31.0045
Predominant Upwind - High575.31.0429
Predominant Downwind Low930.60.6447
Predominant Downwind Low/Med699.20.8582
Predominant Downwind Medium600.50.9992
Predominant Downwind Med/High532.11.1275
Predominant Downwind High475.21.2627
Predominant Reaching Low818.10.7334
Predominant Reaching Low/Med642.00.9346
Predominant Reaching Medium572.21.0486
Predominant Reaching Med/High522.51.1484
Predominant Reaching High481.71.2457
SA/DSPL Upwind29.95SA/DSPL Downwind50.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1127.20.5323
5-Band Windward/Leeward Low/Med835.90.7178
5-Band Windward/Leeward Medium716.70.8371
5-Band Windward/Leeward Med/High652.90.9190
5-Band Windward/Leeward High615.20.9752
Windward/Leeward 60-40 Low1120.80.5353
Windward/Leeward 60-40 Low/Med839.90.7144
Windward/Leeward 60-40 Medium728.60.8234
Windward/Leeward 60-40 Med/High672.30.8924
Windward/Leeward 60-40 High641.70.9350
5-Band AP Low841.70.7129
5-Band AP Low/Med674.80.8891
5-Band AP Medium596.41.0061
5-Band AP Med/High547.81.0953
5-Band AP High513.81.1678
5-Band SF Bay Tour - Low970.60.6182
5-Band SF Bay Tour - Low/Med799.70.7503
5-Band SF Bay Tour - Medium694.20.8642
5-Band SF Bay Tour - Med/High636.70.9424
5-Band SF Bay Tour - High599.41.0010
Chicago-Mac Upwind0.8682
Chicago-Mac All Purpose0.8863
Chicago-Mac Downwind0.8990
Bayview-Mac Cove Island0.6616
Bayview-Mac Shore0.6672
Harvest Moon Regatta529.01.1341
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance655.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9149
Triple Number Coastal/Long Distance Low0.7872
Triple Number Coastal/Long Distance Medium0.9930
Triple Number Coastal/Long Distance High1.1126
Triple Number Windward/Leeward Low0.6189
Triple Number Windward/Leeward Medium0.8239
Triple Number Windward/Leeward High0.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
For information
General Purpose Handicap (GPH)676.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low762.2
Triple Number Coastal/Long Distance Medium604.2
Triple Number Coastal/Long Distance High539.3
Triple Number Windward/Leeward Low969.5
Triple Number Windward/Leeward Medium728.2
Triple Number Windward/Leeward High643.7
Predominantly Upwind651.4
Predominantly Downwind619.7
Predominantly Reaching595.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7872
Triple Number Coastal/Long Distance Medium0.9930
Triple Number Coastal/Long Distance High1.1126
Triple Number Windward/Leeward Low0.6189
Triple Number Windward/Leeward Medium0.8239
Triple Number Windward/Leeward High0.9321
Coastal/Long Distance0.9149
Predominantly Upwind0.9211
Predominantly Downwind0.9682
For information
General Purpose Handicap (GPH)676.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7872
Tretall Distanseseilas Mellomvind0.9930
Tretall Distanseseilas Mye vind1.1126
Tretall Pølsebane Lite vind0.6189
Tretall Pølsebane Mellomvind0.8239
Tretall Pølsebane Mye vind0.9321
Distanseseilas ett tall0.9896
Enkeltall Motvind0.9211
Enkeltall Medvind0.9682
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Coastal/Long Distance655.80.9149
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind651.40.9211
Predominantly Downwind619.70.9682
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore581.81.0314
Cape Doctor Coastal488.01.2295
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7872
Triple Number Coastal/Long Distance Medium0.9930
Triple Number Coastal/Long Distance High1.1126
Triple Number Windward/Leeward Low0.6189
Triple Number Windward/Leeward Medium0.8239
Triple Number Windward/Leeward High0.9321
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7872
Triple Number Coastal/Long Distance Medium0.9930
Triple Number Coastal/Long Distance High1.1126
Triple Number Windward/Leeward Low0.6189
Triple Number Windward/Leeward Medium0.8239
Triple Number Windward/Leeward High0.9321
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Predominantly Upwind651.40.9211
Predominantly Downwind619.70.9682
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.80.9149
Triple Number Coastal/Long Distance Low762.20.7872
Triple Number Coastal/Long Distance Medium604.20.9930
Triple Number Coastal/Long Distance High539.31.1126
Triple Number Windward/Leeward Low969.50.6189
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1594.31073.4821.8695.7625.1585.7551.4490.8453.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low762.20.7872
Triple Number AP Medium604.30.9929
Triple Number AP High539.31.1126
Triple Number Windward/Leeward Low1011.70.5930
Triple Number Windward/Leeward Medium728.20.8239
Triple Number Windward/Leeward High643.70.9321
Single Number Predominant Upwind672.80.8918
Single Number Predominant Reaching603.80.9937
Single Number Predominant Downwind642.40.9340
Predominant Upwind - Low892.70.6721
Predominant Upwind - Low/Med703.10.8534
Predominant Upwind - Medium633.80.9466
Predominant Upwind - Med/High597.31.0045
Predominant Upwind - High575.31.0429
Predominant Downwind Low930.60.6447
Predominant Downwind Low/Med699.20.8582
Predominant Downwind Medium600.50.9992
Predominant Downwind Med/High532.11.1275
Predominant Downwind High475.21.2627
Predominant Reaching Low818.10.7334
Predominant Reaching Low/Med642.00.9346
Predominant Reaching Medium572.21.0486
Predominant Reaching Med/High522.51.1484
Predominant Reaching High481.71.2457
SA/DSPL Upwind29.95SA/DSPL Downwind50.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1127.20.5323
5-Band Windward/Leeward Low/Med835.90.7178
5-Band Windward/Leeward Medium716.70.8371
5-Band Windward/Leeward Med/High652.90.9190
5-Band Windward/Leeward High615.20.9752
Windward/Leeward 60-40 Low1120.80.5353
Windward/Leeward 60-40 Low/Med839.90.7144
Windward/Leeward 60-40 Medium728.60.8234
Windward/Leeward 60-40 Med/High672.30.8924
Windward/Leeward 60-40 High641.70.9350
5-Band AP Low841.70.7129
5-Band AP Low/Med674.80.8891
5-Band AP Medium596.41.0061
5-Band AP Med/High547.81.0953
5-Band AP High513.81.1678
5-Band SF Bay Tour - Low970.60.6182
5-Band SF Bay Tour - Low/Med799.70.7503
5-Band SF Bay Tour - Medium694.20.8642
5-Band SF Bay Tour - Med/High636.70.9424
5-Band SF Bay Tour - High599.41.0010
Chicago-Mac Upwind0.8682
Chicago-Mac All Purpose0.8863
Chicago-Mac Downwind0.8990
Bayview-Mac Cove Island0.6616
Bayview-Mac Shore0.6672
Harvest Moon Regatta529.01.1341
One DesignInternational Certificate2025
FIRST CLASS 8MNA-1234
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST CLASS 8Measurement28/03/2015HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.785Max. Beam2.498Draft1.831Displacement1,466Wetted area12.14IMS L7.079LSM06.637Acc. length7.785Sink (kg/mm) 9.57
VCGD-0.091VCGM-0.083RM Rated (kg·m) 35.4Limit of positive stability(°) 110.9Stability Index104.0Default crew weight384Declared crew weight400
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1Checkstays0Spreaders1Rotating mastNo
P10.050IG9.040ISP9.260MDT10.079MDL10.122MDT20.048MDL20.075TL1.695MW0.122GO0.142
E3.400J2.840BAS1.180FSD0.030SFJSPL3.300WPLTPSBD0.115MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date15/04/1996
SFFP0.792FFM0.845FF0.854LCFcl4.265SG1.0280
SAFP7.302FAM0.672FA0.676LCFsh4.439HBI0.765
W125.0W225.0W325.0W425.0
PD1504.5PD2503.9PD3502.9PD4503.9
WD9.460PLM9000.00GSA1.0RSA1.0RM37.0
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
One DesignInternational Certificate2025
FIRST CLASS 8MNA-1234
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.150.811.412.302.9021.1114/02/2015CR
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0020.060.510.951.912.954.078.90NoNo 17.5911/04/2022CR
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment0038.908.908.906.006.0044.5027/12/2018CR