One DesignInternational Certificate2025
ETCHELLSMNA-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 Angles43.5°43.5°40.9°39.1°38.2°38.1°37.9°38.2°40.2°
Beat VMG2.233.093.774.194.374.464.514.564.44
52°3.504.725.576.026.206.296.366.436.41
60°3.744.985.796.206.396.496.566.656.66
75°3.885.145.966.386.626.786.887.047.11
90°3.975.286.106.426.736.997.197.497.69
110°3.975.336.246.707.017.267.497.958.52
120°3.755.126.126.677.117.507.908.659.53
135°3.234.525.606.386.877.387.929.8111.63
150°2.623.794.865.776.446.907.388.5611.44
Run VMG2.263.284.215.015.726.266.697.569.91
Gybe Angles144.9°144.9°149.8°154.6°160.4°168.5°170.8°165.6°145.6°
APH ToD:619.5CDL: 6.846APH ToT: 0.9685CertNo:ETCHEL
BOAT
ClassEtchellsDesignerETCHELLSBuilderPETTICROWAge date04/1996Series date03/1967Offset fileetchell.od.offData fileetchell
HULL
Length Overall9.300 mMaximum Beam2.090 mDraft1.389 mDisplacement1,514 kgDLR5.4930IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight285 kg(declared)Minimum weight155 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail21.0921.57Headsail Luffed9.819.81Headsail FlyingSymmetric43.2243.22Asymmetric
STORM SAIL AREAS (m²)
Trysail6.12Storm Jib3.65Heavy Weather Jib9.84
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment20.6 kg·mStability Index113.9
COMMENTS
INTERNATIONAL ONE DESIGN
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
ETCHELLSMNA-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 VMG1615.21163.6953.9858.5824.5807.7797.6789.2810.7
52°1027.3762.1646.1598.3581.0572.1566.5559.7561.6
60°961.5722.7621.6580.6563.7555.1549.0541.3540.2
75°928.4700.0604.1564.7543.9531.4522.9511.3506.1
90°907.3682.2590.4560.9534.6515.1500.6480.9468.3
110°906.3675.5576.7537.6513.2495.7480.6453.1422.4
120°960.8702.6587.8539.5506.3480.0455.8416.4377.7
135°1114.8795.6643.4564.7523.9488.1454.7367.1309.5
150°1376.5949.6740.2624.3559.0521.5488.0420.4314.6
Run VMG1590.71096.5854.7718.6629.4575.3538.5476.0363.2
Selected Courses
Windward / Leeward1601.61130.1904.3788.6726.9691.5668.1632.6587.0
All purpose1196.8864.5710.8638.4600.1576.5558.4526.9497.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward759.50.7900
All purpose619.50.9685
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6780
Downwind "popa"0.8591
70% up, 30% down "Ilhabela"0.7237
30% up, 70% down "Ilhabela-inverso"0.7953
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Predominantly Upwind676.80.8865
Predominantly Downwind619.20.9690
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low787.70.7618
Triple Number AP Medium616.30.9736
Triple Number AP High551.11.0887
Triple Number Windward/Leeward Low1064.20.5638
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Single Number Predominant Upwind703.10.8534
Single Number Predominant Reaching612.20.9801
Single Number Predominant Downwind644.40.9311
Predominant Upwind - Low955.70.6278
Predominant Upwind - Low/Med735.50.8158
Predominant Upwind - Medium657.40.9127
Predominant Upwind - Med/High617.40.9719
Predominant Upwind - High595.71.0073
Predominant Downwind Low949.00.6323
Predominant Downwind Low/Med702.20.8544
Predominant Downwind Medium598.71.0022
Predominant Downwind Med/High528.61.1350
Predominant Downwind High473.71.2666
Predominant Reaching Low840.90.7135
Predominant Reaching Low/Med650.00.9230
Predominant Reaching Medium576.51.0408
Predominant Reaching Med/High526.81.1389
Predominant Reaching High489.41.2260
SA/DSPL Upwind23.40SA/DSPL Downwind48.70
Scoring OptionTODTOT
5-Band Windward/Leeward Low1191.80.5034
5-Band Windward/Leeward Low/Med870.50.6892
5-Band Windward/Leeward Medium741.10.8096
5-Band Windward/Leeward Med/High671.00.8942
5-Band Windward/Leeward High630.90.9511
Windward/Leeward 60-40 Low1198.30.5007
Windward/Leeward 60-40 Low/Med882.80.6796
Windward/Leeward 60-40 Medium760.00.7895
Windward/Leeward 60-40 Med/High696.80.8611
Windward/Leeward 60-40 High663.60.9042
5-Band AP Low867.70.6915
5-Band AP Low/Med691.60.8676
5-Band AP Medium608.20.9865
5-Band AP Med/High559.61.0721
5-Band AP High527.21.1381
5-Band SF Bay Tour - Low1024.50.5857
5-Band SF Bay Tour - Low/Med833.60.7198
5-Band SF Bay Tour - Medium717.90.8358
5-Band SF Bay Tour - Med/High654.90.9162
5-Band SF Bay Tour - High616.50.9732
Chicago-Mac Upwind0.8292
Chicago-Mac All Purpose0.8640
Chicago-Mac Downwind0.8952
Bayview-Mac Cove Island0.6326
Bayview-Mac Shore0.6374
Harvest Moon Regatta532.61.1266
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance673.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8915
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9737
Triple Number Coastal/Long Distance High1.0887
Triple Number Windward/Leeward Low0.5899
Triple Number Windward/Leeward Medium0.7964
Triple Number Windward/Leeward High0.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
For information
General Purpose Handicap (GPH)693.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low787.6
Triple Number Coastal/Long Distance Medium616.2
Triple Number Coastal/Long Distance High551.1
Triple Number Windward/Leeward Low1017.1
Triple Number Windward/Leeward Medium753.4
Triple Number Windward/Leeward High660.6
Predominantly Upwind676.8
Predominantly Downwind619.2
Predominantly Reaching597.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9737
Triple Number Coastal/Long Distance High1.0887
Triple Number Windward/Leeward Low0.5899
Triple Number Windward/Leeward Medium0.7964
Triple Number Windward/Leeward High0.9082
Coastal/Long Distance0.8915
Predominantly Upwind0.8865
Predominantly Downwind0.9690
For information
General Purpose Handicap (GPH)693.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7618
Tretall Distanseseilas Mellomvind0.9737
Tretall Distanseseilas Mye vind1.0887
Tretall Pølsebane Lite vind0.5899
Tretall Pølsebane Mellomvind0.7964
Tretall Pølsebane Mye vind0.9082
Distanseseilas ett tall0.9685
Enkeltall Motvind0.8865
Enkeltall Medvind0.9690
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Coastal/Long Distance673.00.8915
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind676.80.8865
Predominantly Downwind619.20.9690
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore600.70.9989
Cape Doctor Coastal506.11.1855
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9737
Triple Number Coastal/Long Distance High1.0887
Triple Number Windward/Leeward Low0.5899
Triple Number Windward/Leeward Medium0.7964
Triple Number Windward/Leeward High0.9082
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9737
Triple Number Coastal/Long Distance High1.0887
Triple Number Windward/Leeward Low0.5899
Triple Number Windward/Leeward Medium0.7964
Triple Number Windward/Leeward High0.9082
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Predominantly Upwind676.80.8865
Predominantly Downwind619.20.9690
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.00.8915
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium616.20.9737
Triple Number Coastal/Long Distance High551.11.0887
Triple Number Windward/Leeward Low1017.10.5899
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.81126.7850.4714.6639.6597.6562.6504.2472.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low787.70.7618
Triple Number AP Medium616.30.9736
Triple Number AP High551.11.0887
Triple Number Windward/Leeward Low1064.20.5638
Triple Number Windward/Leeward Medium753.40.7964
Triple Number Windward/Leeward High660.60.9082
Single Number Predominant Upwind703.10.8534
Single Number Predominant Reaching612.20.9801
Single Number Predominant Downwind644.40.9311
Predominant Upwind - Low955.70.6278
Predominant Upwind - Low/Med735.50.8158
Predominant Upwind - Medium657.40.9127
Predominant Upwind - Med/High617.40.9719
Predominant Upwind - High595.71.0073
Predominant Downwind Low949.00.6323
Predominant Downwind Low/Med702.20.8544
Predominant Downwind Medium598.71.0022
Predominant Downwind Med/High528.61.1350
Predominant Downwind High473.71.2666
Predominant Reaching Low840.90.7135
Predominant Reaching Low/Med650.00.9230
Predominant Reaching Medium576.51.0408
Predominant Reaching Med/High526.81.1389
Predominant Reaching High489.41.2260
SA/DSPL Upwind23.40SA/DSPL Downwind48.70
Scoring OptionTODTOT
5-Band Windward/Leeward Low1191.80.5034
5-Band Windward/Leeward Low/Med870.50.6892
5-Band Windward/Leeward Medium741.10.8096
5-Band Windward/Leeward Med/High671.00.8942
5-Band Windward/Leeward High630.90.9511
Windward/Leeward 60-40 Low1198.30.5007
Windward/Leeward 60-40 Low/Med882.80.6796
Windward/Leeward 60-40 Medium760.00.7895
Windward/Leeward 60-40 Med/High696.80.8611
Windward/Leeward 60-40 High663.60.9042
5-Band AP Low867.70.6915
5-Band AP Low/Med691.60.8676
5-Band AP Medium608.20.9865
5-Band AP Med/High559.61.0721
5-Band AP High527.21.1381
5-Band SF Bay Tour - Low1024.50.5857
5-Band SF Bay Tour - Low/Med833.60.7198
5-Band SF Bay Tour - Medium717.90.8358
5-Band SF Bay Tour - Med/High654.90.9162
5-Band SF Bay Tour - High616.50.9732
Chicago-Mac Upwind0.8292
Chicago-Mac All Purpose0.8640
Chicago-Mac Downwind0.8952
Bayview-Mac Cove Island0.6326
Bayview-Mac Shore0.6374
Harvest Moon Regatta532.61.1266
One DesignInternational Certificate2025
ETCHELLSMNA-1234
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassEtchellsMeasurement01/01/2013HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.300Max. Beam2.090Draft1.389Displacement1,514Wetted area11.47IMS L7.132LSM06.508Acc. length6.793Sink (kg/mm) 8.32
VCGD-0.088VCGM-0.082RM Rated (kg·m) 20.6Limit of positive stability(°) 113.5Stability Index113.9Default crew weight373Declared crew weight285
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P9.906IG8.375ISP8.315MDT10.078MDL10.124MDT20.065MDL20.070TL2.160MW0.124GO0.169
E3.530J2.410BAS0.740FSD0.000SFJ1.300SPL2.975WPLTPSBD0.083MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date04/02/2013
SFFP0.610FFM0.790FF0.794LCFcl5.282SG1.0100
SAFP9.049FAM0.550FA0.552LCFsh5.389HBI0.635
W117.0W217.0W317.0W417.0
PD1530.0PD2531.8PD3532.0PD4531.6
WD8.160PLM9000.00GSA1.0RSA1.0RM20.6
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
One DesignInternational Certificate2025
ETCHELLSMNA-1234
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment010.110.771.402.273.0221.09CR
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment010.060.651.281.862.347.92NoNo 9.81CR
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC8.458.458.456.305.4943.22* Copied from legacy *