Double HandedClub Certificate2025
WaterproofNED 8386
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°41.5°40.7°40.1°39.6°39.4°39.5°40.4°
Beat VMG2.343.274.024.554.875.005.075.104.99
52°3.654.985.986.687.057.227.297.357.29
60°3.885.246.236.907.277.457.537.597.57
75°4.015.416.407.067.457.677.817.958.01
90°3.895.286.327.037.477.767.978.268.44
110°3.284.645.796.697.317.708.018.528.86
120°3.064.385.556.487.167.617.948.539.09
135°2.623.844.985.936.727.307.698.308.89
150°2.183.264.285.095.866.547.077.798.37
Run VMG1.902.823.704.525.316.036.677.588.17
Gybe Angles143.8°143.8°144.7°171.2°172.6°173.9°175.3°177.5°178.0°
APH ToD:599.7CDL: 9.361APH ToT: 1.0005CertNo:28853
BOAT
ClassWaarschip 1220DesignerKremerBuilderWaarschipAge date01/1997Series date01/1991Offset fileh5086E.offData fileNED8386
HULL
Length Overall12.825 mMaximum Beam3.588 mDraft2.172 mDisplacement7,698 kgDLR6.7376IMS DivisionCruiser/RacerDynamic Allowance0.360%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.8632.28Headsail Luffed38.8838.88Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.62Storm Jib9.90Heavy Weather Jib26.73
SAIL LIMITS
Headsails5Spinnakers0
✱ 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.
Double HandedClub Certificate2025
WaterproofNED 8386
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 VMG1541.11102.5895.5791.7739.9719.8710.2706.5721.5
52°985.3722.8601.8539.2510.4498.7493.6490.1493.7
60°928.6687.1577.7521.6495.4483.4478.4474.0475.8
75°897.0665.9562.2509.6483.1469.2460.7452.7449.7
90°926.5681.6569.6512.0481.8464.1452.0435.9426.7
110°1097.4776.5621.7538.0492.7467.2449.6422.7406.3
120°1175.8821.4649.2555.7502.8473.1453.4422.3396.1
135°1375.3937.3723.1607.0535.7493.4468.0433.5404.9
150°1651.71104.9841.8707.6613.9550.6508.9462.0430.1
Run VMG1891.01275.9972.1797.1677.9597.0539.8475.2440.5
Selected Courses
Windward / Leeward1713.81189.2933.8794.4708.9658.4625.0590.9581.0
All purpose1285.7906.1723.8627.8571.8540.2520.1497.8487.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward748.10.8020
All purpose599.71.0005
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7413
Downwind "popa"0.7873
70% up, 30% down "Ilhabela"0.7545
30% up, 70% down "Ilhabela-inverso"0.7729
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Predominantly Upwind633.90.9465
Predominantly Downwind630.30.9520
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low814.90.7362
Triple Number AP Medium595.31.0079
Triple Number AP High516.81.1611
Triple Number Windward/Leeward Low1113.00.5391
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Single Number Predominant Upwind662.60.9055
Single Number Predominant Reaching600.10.9998
Single Number Predominant Downwind666.00.9008
Predominant Upwind - Low953.90.6290
Predominant Upwind - Low/Med707.20.8485
Predominant Upwind - Medium608.10.9867
Predominant Upwind - Med/High560.81.0699
Predominant Upwind - High546.01.0990
Predominant Downwind Low1054.30.5691
Predominant Downwind Low/Med741.50.8092
Predominant Downwind Medium601.20.9980
Predominant Downwind Med/High516.31.1622
Predominant Downwind High477.91.2556
Predominant Reaching Low887.40.6762
Predominant Reaching Low/Med649.60.9237
Predominant Reaching Medium549.61.0918
Predominant Reaching Med/High494.91.2123
Predominant Reaching High471.41.2728
SA/DSPL Upwind18.02SA/DSPL Downwind18.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1257.00.4773
5-Band Windward/Leeward Low/Med889.10.6749
5-Band Windward/Leeward Medium726.50.8259
5-Band Windward/Leeward Med/High632.00.9494
5-Band Windward/Leeward High595.11.0083
Windward/Leeward 60-40 Low1237.70.4848
Windward/Leeward 60-40 Low/Med884.50.6783
Windward/Leeward 60-40 Medium732.30.8193
Windward/Leeward 60-40 Med/High648.30.9255
Windward/Leeward 60-40 High618.00.9709
5-Band AP Low925.60.6483
5-Band AP Low/Med694.40.8641
5-Band AP Medium584.21.0270
5-Band AP Med/High524.11.1448
5-Band AP High499.91.2002
5-Band SF Bay Tour - Low1067.50.5621
5-Band SF Bay Tour - Low/Med844.70.7103
5-Band SF Bay Tour - Medium698.40.8591
5-Band SF Bay Tour - Med/High617.30.9720
5-Band SF Bay Tour - High586.71.0227
Chicago-Mac Upwind0.8739
Chicago-Mac All Purpose0.8721
Chicago-Mac Downwind0.8597
Bayview-Mac Cove Island0.6097
Bayview-Mac Shore0.6172
Harvest Moon Regatta514.81.1655
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance658.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9116
Triple Number Coastal/Long Distance Low0.7362
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1611
Triple Number Windward/Leeward Low0.5653
Triple Number Windward/Leeward Medium0.8070
Triple Number Windward/Leeward High0.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
For information
General Purpose Handicap (GPH)682.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low815.0
Triple Number Coastal/Long Distance Medium595.2
Triple Number Coastal/Long Distance High516.8
Triple Number Windward/Leeward Low1061.4
Triple Number Windward/Leeward Medium743.5
Triple Number Windward/Leeward High620.5
Predominantly Upwind633.9
Predominantly Downwind630.3
Predominantly Reaching590.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7362
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1611
Triple Number Windward/Leeward Low0.5653
Triple Number Windward/Leeward Medium0.8070
Triple Number Windward/Leeward High0.9669
Coastal/Long Distance0.9116
Predominantly Upwind0.9465
Predominantly Downwind0.9520
For information
General Purpose Handicap (GPH)682.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0005
Distanseseilas Trippeltall svak vind0.7362
Distanseseilas Trippeltall mellomvind1.0080
Distanseseilas Trippeltall sterk vind1.1611
Pølsebane Trippeltall svak vind0.5653
Pølsebane Trippeltall mellomvind0.8070
Pølsebane Trippeltall sterk vind0.9669
Motvind Singeltall0.9465
Medvind Singeltall0.9520
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Coastal/Long Distance658.20.9116
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind633.90.9465
Predominantly Downwind630.30.9520
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore584.01.0275
Cape Doctor Coastal490.81.2224
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7362
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1611
Triple Number Windward/Leeward Low0.5653
Triple Number Windward/Leeward Medium0.8070
Triple Number Windward/Leeward High0.9669
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7362
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1611
Triple Number Windward/Leeward Low0.5653
Triple Number Windward/Leeward Medium0.8070
Triple Number Windward/Leeward High0.9669
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Predominantly Upwind633.90.9465
Predominantly Downwind630.30.9520
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.20.9116
Triple Number Coastal/Long Distance Low815.00.7362
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High516.81.1611
Triple Number Windward/Leeward Low1061.40.5653
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1859.61197.8878.9713.2613.7562.6526.5475.6462.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low814.90.7362
Triple Number AP Medium595.31.0079
Triple Number AP High516.81.1611
Triple Number Windward/Leeward Low1113.00.5391
Triple Number Windward/Leeward Medium743.50.8070
Triple Number Windward/Leeward High620.50.9669
Single Number Predominant Upwind662.60.9055
Single Number Predominant Reaching600.10.9998
Single Number Predominant Downwind666.00.9008
Predominant Upwind - Low953.90.6290
Predominant Upwind - Low/Med707.20.8485
Predominant Upwind - Medium608.10.9867
Predominant Upwind - Med/High560.81.0699
Predominant Upwind - High546.01.0990
Predominant Downwind Low1054.30.5691
Predominant Downwind Low/Med741.50.8092
Predominant Downwind Medium601.20.9980
Predominant Downwind Med/High516.31.1622
Predominant Downwind High477.91.2556
Predominant Reaching Low887.40.6762
Predominant Reaching Low/Med649.60.9237
Predominant Reaching Medium549.61.0918
Predominant Reaching Med/High494.91.2123
Predominant Reaching High471.41.2728
SA/DSPL Upwind18.02SA/DSPL Downwind18.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1257.00.4773
5-Band Windward/Leeward Low/Med889.10.6749
5-Band Windward/Leeward Medium726.50.8259
5-Band Windward/Leeward Med/High632.00.9494
5-Band Windward/Leeward High595.11.0083
Windward/Leeward 60-40 Low1237.70.4848
Windward/Leeward 60-40 Low/Med884.50.6783
Windward/Leeward 60-40 Medium732.30.8193
Windward/Leeward 60-40 Med/High648.30.9255
Windward/Leeward 60-40 High618.00.9709
5-Band AP Low925.60.6483
5-Band AP Low/Med694.40.8641
5-Band AP Medium584.21.0270
5-Band AP Med/High524.11.1448
5-Band AP High499.91.2002
5-Band SF Bay Tour - Low1067.50.5621
5-Band SF Bay Tour - Low/Med844.70.7103
5-Band SF Bay Tour - Medium698.40.8591
5-Band SF Bay Tour - Med/High617.30.9720
5-Band SF Bay Tour - High586.71.0227
Chicago-Mac Upwind0.8739
Chicago-Mac All Purpose0.8721
Chicago-Mac Downwind0.8597
Bayview-Mac Cove Island0.6097
Bayview-Mac Shore0.6172
Harvest Moon Regatta514.81.1655
Double HandedClub Certificate2025
WaterproofNED 8386
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassWaarschip 1220Measurement11/10/2012HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.825Max. Beam3.588Draft2.172Displacement7,698Wetted area31.47IMS L10.577LSM010.453Acc. length11.661Sink (kg/mm) 22.03
VCGD-0.106VCGM0.027RM Rated (kg·m) 158.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionFixedInner stayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P13.310IG14.070ISPMDT10.120MDL10.210MDT2MDL2TLNo TaperMWGO
E4.130J5.000BAS1.320FSDFoilSFJ0.430SPLWPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date23/10/2012
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
WaterproofNED 8386
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment010.140.801.422.5031.86
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment11.262.584.025.5814.40NoNo 38.88
CRUISER/RACER REQUIREMENTS*
Accommodation length11.7 mTable area0.55 m²Headroom1.80 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity142 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity84 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.