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°39.2°38.4°38.2°38.2°38.5°40.4°
Beat VMG2.233.093.774.194.364.444.504.544.42
52°3.504.725.576.016.196.296.356.426.40
60°3.744.985.796.206.386.486.556.656.66
75°3.885.145.966.376.626.776.887.047.11
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:620.0CDL: 6.830APH ToT: 0.9678CertNo: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 VMG1615.91164.5955.0860.1826.5810.0800.2792.2814.4
52°1027.7762.5646.5598.7581.4572.7567.0560.3562.4
60°961.8722.9621.8580.8564.0555.4549.3541.7540.7
75°928.6700.1604.2564.8544.0531.5523.1511.5506.3
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 / Leeward1602.01130.5904.8789.3728.0692.7669.4634.1588.8
All purpose1197.0864.7711.2638.8600.6577.1559.0527.6498.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward760.40.7890
All purpose620.00.9678
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6765
Downwind "popa"0.8591
70% up, 30% down "Ilhabela"0.7226
30% up, 70% down "Ilhabela-inverso"0.7947
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Predominantly Upwind677.60.8855
Predominantly Downwind619.40.9687
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low787.90.7615
Triple Number AP Medium616.70.9729
Triple Number AP High551.81.0874
Triple Number Windward/Leeward Low1064.70.5635
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Single Number Predominant Upwind703.90.8524
Single Number Predominant Reaching612.40.9798
Single Number Predominant Downwind644.60.9308
Predominant Upwind - Low956.10.6275
Predominant Upwind - Low/Med736.10.8151
Predominant Upwind - Medium658.10.9117
Predominant Upwind - Med/High618.40.9703
Predominant Upwind - High596.81.0053
Predominant Downwind Low949.10.6322
Predominant Downwind Low/Med702.40.8542
Predominant Downwind Medium598.91.0019
Predominant Downwind Med/High528.91.1345
Predominant Downwind High474.01.2658
Predominant Reaching Low841.10.7134
Predominant Reaching Low/Med650.20.9228
Predominant Reaching Medium576.71.0404
Predominant Reaching Med/High527.11.1382
Predominant Reaching High489.71.2251
SA/DSPL Upwind23.40SA/DSPL Downwind48.70
Scoring OptionTODTOT
5-Band Windward/Leeward Low1192.30.5032
5-Band Windward/Leeward Low/Med871.20.6887
5-Band Windward/Leeward Medium742.10.8085
5-Band Windward/Leeward Med/High672.20.8925
5-Band Windward/Leeward High632.40.9488
Windward/Leeward 60-40 Low1198.80.5005
Windward/Leeward 60-40 Low/Med883.70.6790
Windward/Leeward 60-40 Medium761.20.7882
Windward/Leeward 60-40 Med/High698.30.8592
Windward/Leeward 60-40 High665.40.9018
5-Band AP Low867.90.6913
5-Band AP Low/Med691.90.8671
5-Band AP Medium608.70.9857
5-Band AP Med/High560.31.0709
5-Band AP High528.01.1365
5-Band SF Bay Tour - Low1025.00.5854
5-Band SF Bay Tour - Low/Med834.30.7192
5-Band SF Bay Tour - Medium718.90.8346
5-Band SF Bay Tour - Med/High656.20.9144
5-Band SF Bay Tour - High618.00.9709
Chicago-Mac Upwind0.8283
Chicago-Mac All Purpose0.8634
Chicago-Mac Downwind0.8949
Bayview-Mac Cove Island0.6323
Bayview-Mac Shore0.6371
Harvest Moon Regatta532.71.1264
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance673.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8907
Triple Number Coastal/Long Distance Low0.7615
Triple Number Coastal/Long Distance Medium0.9730
Triple Number Coastal/Long Distance High1.0874
Triple Number Windward/Leeward Low0.5896
Triple Number Windward/Leeward Medium0.7954
Triple Number Windward/Leeward High0.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
For information
General Purpose Handicap (GPH)694.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low787.9
Triple Number Coastal/Long Distance Medium616.6
Triple Number Coastal/Long Distance High551.8
Triple Number Windward/Leeward Low1017.6
Triple Number Windward/Leeward Medium754.3
Triple Number Windward/Leeward High662.0
Predominantly Upwind677.6
Predominantly Downwind619.4
Predominantly Reaching598.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7615
Triple Number Coastal/Long Distance Medium0.9730
Triple Number Coastal/Long Distance High1.0874
Triple Number Windward/Leeward Low0.5896
Triple Number Windward/Leeward Medium0.7954
Triple Number Windward/Leeward High0.9064
Coastal/Long Distance0.8907
Predominantly Upwind0.8855
Predominantly Downwind0.9687
For information
General Purpose Handicap (GPH)694.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9678
Distanseseilas Trippeltall svak vind0.7615
Distanseseilas Trippeltall mellomvind0.9730
Distanseseilas Trippeltall sterk vind1.0874
Pølsebane Trippeltall svak vind0.5896
Pølsebane Trippeltall mellomvind0.7954
Pølsebane Trippeltall sterk vind0.9064
Motvind Singeltall0.8855
Medvind Singeltall0.9687
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Coastal/Long Distance673.60.8907
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind677.60.8855
Predominantly Downwind619.40.9687
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore602.40.9960
Cape Doctor Coastal506.91.1836
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7615
Triple Number Coastal/Long Distance Medium0.9730
Triple Number Coastal/Long Distance High1.0874
Triple Number Windward/Leeward Low0.5896
Triple Number Windward/Leeward Medium0.7954
Triple Number Windward/Leeward High0.9064
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7615
Triple Number Coastal/Long Distance Medium0.9730
Triple Number Coastal/Long Distance High1.0874
Triple Number Windward/Leeward Low0.5896
Triple Number Windward/Leeward Medium0.7954
Triple Number Windward/Leeward High0.9064
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Predominantly Upwind677.60.8855
Predominantly Downwind619.40.9687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.60.8907
Triple Number Coastal/Long Distance Low787.90.7615
Triple Number Coastal/Long Distance Medium616.60.9730
Triple Number Coastal/Long Distance High551.81.0874
Triple Number Windward/Leeward Low1017.60.5896
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.11127.1850.9715.2640.2598.2563.2504.6472.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low787.90.7615
Triple Number AP Medium616.70.9729
Triple Number AP High551.81.0874
Triple Number Windward/Leeward Low1064.70.5635
Triple Number Windward/Leeward Medium754.30.7954
Triple Number Windward/Leeward High662.00.9064
Single Number Predominant Upwind703.90.8524
Single Number Predominant Reaching612.40.9798
Single Number Predominant Downwind644.60.9308
Predominant Upwind - Low956.10.6275
Predominant Upwind - Low/Med736.10.8151
Predominant Upwind - Medium658.10.9117
Predominant Upwind - Med/High618.40.9703
Predominant Upwind - High596.81.0053
Predominant Downwind Low949.10.6322
Predominant Downwind Low/Med702.40.8542
Predominant Downwind Medium598.91.0019
Predominant Downwind Med/High528.91.1345
Predominant Downwind High474.01.2658
Predominant Reaching Low841.10.7134
Predominant Reaching Low/Med650.20.9228
Predominant Reaching Medium576.71.0404
Predominant Reaching Med/High527.11.1382
Predominant Reaching High489.71.2251
SA/DSPL Upwind23.40SA/DSPL Downwind48.70
Scoring OptionTODTOT
5-Band Windward/Leeward Low1192.30.5032
5-Band Windward/Leeward Low/Med871.20.6887
5-Band Windward/Leeward Medium742.10.8085
5-Band Windward/Leeward Med/High672.20.8925
5-Band Windward/Leeward High632.40.9488
Windward/Leeward 60-40 Low1198.80.5005
Windward/Leeward 60-40 Low/Med883.70.6790
Windward/Leeward 60-40 Medium761.20.7882
Windward/Leeward 60-40 Med/High698.30.8592
Windward/Leeward 60-40 High665.40.9018
5-Band AP Low867.90.6913
5-Band AP Low/Med691.90.8671
5-Band AP Medium608.70.9857
5-Band AP Med/High560.31.0709
5-Band AP High528.01.1365
5-Band SF Bay Tour - Low1025.00.5854
5-Band SF Bay Tour - Low/Med834.30.7192
5-Band SF Bay Tour - Medium718.90.8346
5-Band SF Bay Tour - Med/High656.20.9144
5-Band SF Bay Tour - High618.00.9709
Chicago-Mac Upwind0.8283
Chicago-Mac All Purpose0.8634
Chicago-Mac Downwind0.8949
Bayview-Mac Cove Island0.6323
Bayview-Mac Shore0.6371
Harvest Moon Regatta532.71.1264
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 materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating 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 *