Club Certificate2025
DB2NED 2989
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 Angles42.7°42.7°40.4°38.5°37.6°37.3°37.1°37.1°38.0°
Beat VMG2.583.524.224.644.844.934.995.045.00
52°4.025.316.136.546.746.836.886.966.97
60°4.265.556.316.686.886.997.057.157.19
75°4.405.696.426.797.027.207.317.477.57
90°4.245.576.376.797.077.297.487.777.98
110°3.875.286.306.837.187.487.768.218.56
120°3.695.076.116.737.117.437.768.509.21
135°3.224.515.586.386.867.217.558.369.59
150°2.633.814.895.796.476.907.237.908.84
Run VMG2.273.304.235.045.766.326.757.388.03
Gybe Angles146.0°146.0°151.0°154.1°161.5°168.2°177.2°178.6°177.2°
APH ToD:588.9CDL: 8.257APH ToT: 1.0189CertNo:72.
BOAT
ClassDB 2 (Mod.)Designerv/d Stadt & PrtnrsBuilderDehler B.B.Age date05/1985Series date05/1985Offset fileH2989E.OFFData fileNED2989
HULL
Length Overall10.334 mMaximum Beam3.418 mDraft1.827 mDisplacement3,993 kgDLR7.6772IMS DivisionDynamic Allowance0.070%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.435m
CREW
Maximum weight504 kg(default)Minimum weight374 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.7631.31Headsail Luffed32.4732.47Headsail FlyingSymmetric60.5060.50Asymmetric
STORM SAIL AREAS (m²)
Trysail9.12Storm Jib6.76Heavy Weather Jib18.23
SAIL LIMITS
Headsails5Spinnakers4
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.
Club Certificate2025
DB2NED 2989
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 VMG1394.61023.0854.0775.2744.3729.5721.1714.0720.1
52°896.4678.0587.2550.5534.4527.4523.1517.6516.5
60°844.6648.4570.8539.1523.3515.3510.6503.7501.0
75°818.1632.5561.0530.4512.5500.3492.6482.1475.5
90°848.4646.7564.7530.0509.5494.2481.2463.4451.0
110°929.9681.6571.6526.9501.7481.4463.8438.3420.4
120°976.3710.0588.9534.8506.5484.5463.9423.6390.7
135°1118.0798.2645.1564.2524.7499.2476.8430.9375.4
150°1370.8945.6736.9621.4556.2521.7497.9455.5407.3
Run VMG1584.21091.9850.4714.0625.5569.7533.3487.8448.5
Selected Courses
Windward / Leeward1487.11057.4852.2744.6684.9649.6627.2600.9584.3
All purpose1117.8814.1674.4606.1570.0548.3533.1510.4492.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward715.20.8390
All purpose588.91.0189
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7552
Downwind "popa"0.8620
70% up, 30% down "Ilhabela"0.7844
30% up, 70% down "Ilhabela-inverso"0.8269
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Predominantly Upwind629.30.9535
Predominantly Downwind603.90.9935
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low744.20.8062
Triple Number AP Medium585.41.0250
Triple Number AP High528.41.1355
Triple Number Windward/Leeward Low997.50.6015
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Single Number Predominant Upwind651.90.9204
Single Number Predominant Reaching588.01.0203
Single Number Predominant Downwind630.70.9513
Predominant Upwind - Low871.20.6887
Predominant Upwind - Low/Med680.50.8817
Predominant Upwind - Medium611.50.9811
Predominant Upwind - Med/High577.61.0388
Predominant Upwind - High561.41.0687
Predominant Downwind Low920.50.6518
Predominant Downwind Low/Med682.80.8787
Predominant Downwind Medium583.21.0288
Predominant Downwind Med/High522.71.1480
Predominant Downwind High486.31.2337
Predominant Reaching Low798.30.7516
Predominant Reaching Low/Med620.90.9663
Predominant Reaching Medium552.81.0855
Predominant Reaching Med/High512.31.1712
Predominant Reaching High486.31.2337
SA/DSPL Upwind25.01SA/DSPL Downwind36.09
Scoring OptionTODTOT
5-Band Windward/Leeward Low1114.10.5385
5-Band Windward/Leeward Low/Med819.80.7319
5-Band Windward/Leeward Medium698.00.8596
5-Band Windward/Leeward Med/High631.40.9503
5-Band Windward/Leeward High602.60.9958
Windward/Leeward 60-40 Low1106.00.5425
Windward/Leeward 60-40 Low/Med822.80.7292
Windward/Leeward 60-40 Medium709.20.8460
Windward/Leeward 60-40 Med/High649.80.9234
Windward/Leeward 60-40 High625.30.9595
5-Band AP Low825.60.7267
5-Band AP Low/Med655.50.9154
5-Band AP Medium578.01.0381
5-Band AP Med/High534.91.1216
5-Band AP High511.21.1737
5-Band SF Bay Tour - Low957.10.6269
5-Band SF Bay Tour - Low/Med783.20.7661
5-Band SF Bay Tour - Medium675.70.8880
5-Band SF Bay Tour - Med/High618.70.9699
5-Band SF Bay Tour - High591.61.0142
Chicago-Mac Upwind0.8957
Chicago-Mac All Purpose0.9100
Chicago-Mac Downwind0.9175
Bayview-Mac Cove Island0.6737
Bayview-Mac Shore0.6801
Harvest Moon Regatta519.01.1561
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance639.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating639.00.9389
FinRating, kevyt tuuli1096.40.9121
FinRating, kova tuuli513.90.9730
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9389
Triple Number Coastal/Long Distance Low0.8062
Triple Number Coastal/Long Distance Medium1.0251
Triple Number Coastal/Long Distance High1.1355
Triple Number Windward/Leeward Low0.6284
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
For information
General Purpose Handicap (GPH)658.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low744.2
Triple Number Coastal/Long Distance Medium585.3
Triple Number Coastal/Long Distance High528.4
Triple Number Windward/Leeward Low954.8
Triple Number Windward/Leeward Medium709.9
Triple Number Windward/Leeward High622.9
Predominantly Upwind629.3
Predominantly Downwind603.9
Predominantly Reaching578.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8062
Triple Number Coastal/Long Distance Medium1.0251
Triple Number Coastal/Long Distance High1.1355
Triple Number Windward/Leeward Low0.6284
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9632
Coastal/Long Distance0.9389
Predominantly Upwind0.9535
Predominantly Downwind0.9935
For information
General Purpose Handicap (GPH)658.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0189
Distanseseilas Trippeltall svak vind0.8062
Distanseseilas Trippeltall mellomvind1.0251
Distanseseilas Trippeltall sterk vind1.1355
Pølsebane Trippeltall svak vind0.6284
Pølsebane Trippeltall mellomvind0.8452
Pølsebane Trippeltall sterk vind0.9632
Motvind Singeltall0.9535
Medvind Singeltall0.9935
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Coastal/Long Distance639.00.9389
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind629.30.9535
Predominantly Downwind603.90.9935
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore589.31.0182
Cape Doctor Coastal497.71.2055
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8062
Triple Number Coastal/Long Distance Medium1.0251
Triple Number Coastal/Long Distance High1.1355
Triple Number Windward/Leeward Low0.6284
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9632
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8062
Triple Number Coastal/Long Distance Medium1.0251
Triple Number Coastal/Long Distance High1.1355
Triple Number Windward/Leeward Low0.6284
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9632
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Predominantly Upwind629.30.9535
Predominantly Downwind603.90.9935
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.00.9389
Triple Number Coastal/Long Distance Low744.20.8062
Triple Number Coastal/Long Distance Medium585.31.0251
Triple Number Coastal/Long Distance High528.41.1355
Triple Number Windward/Leeward Low954.80.6284
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.11060.9804.8676.9605.9568.6539.3490.2470.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low744.20.8062
Triple Number AP Medium585.41.0250
Triple Number AP High528.41.1355
Triple Number Windward/Leeward Low997.50.6015
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High622.90.9632
Single Number Predominant Upwind651.90.9204
Single Number Predominant Reaching588.01.0203
Single Number Predominant Downwind630.70.9513
Predominant Upwind - Low871.20.6887
Predominant Upwind - Low/Med680.50.8817
Predominant Upwind - Medium611.50.9811
Predominant Upwind - Med/High577.61.0388
Predominant Upwind - High561.41.0687
Predominant Downwind Low920.50.6518
Predominant Downwind Low/Med682.80.8787
Predominant Downwind Medium583.21.0288
Predominant Downwind Med/High522.71.1480
Predominant Downwind High486.31.2337
Predominant Reaching Low798.30.7516
Predominant Reaching Low/Med620.90.9663
Predominant Reaching Medium552.81.0855
Predominant Reaching Med/High512.31.1712
Predominant Reaching High486.31.2337
SA/DSPL Upwind25.01SA/DSPL Downwind36.09
Scoring OptionTODTOT
5-Band Windward/Leeward Low1114.10.5385
5-Band Windward/Leeward Low/Med819.80.7319
5-Band Windward/Leeward Medium698.00.8596
5-Band Windward/Leeward Med/High631.40.9503
5-Band Windward/Leeward High602.60.9958
Windward/Leeward 60-40 Low1106.00.5425
Windward/Leeward 60-40 Low/Med822.80.7292
Windward/Leeward 60-40 Medium709.20.8460
Windward/Leeward 60-40 Med/High649.80.9234
Windward/Leeward 60-40 High625.30.9595
5-Band AP Low825.60.7267
5-Band AP Low/Med655.50.9154
5-Band AP Medium578.01.0381
5-Band AP Med/High534.91.1216
5-Band AP High511.21.1737
5-Band SF Bay Tour - Low957.10.6269
5-Band SF Bay Tour - Low/Med783.20.7661
5-Band SF Bay Tour - Medium675.70.8880
5-Band SF Bay Tour - Med/High618.70.9699
5-Band SF Bay Tour - High591.61.0142
Chicago-Mac Upwind0.8957
Chicago-Mac All Purpose0.9100
Chicago-Mac Downwind0.9175
Bayview-Mac Cove Island0.6737
Bayview-Mac Shore0.6801
Harvest Moon Regatta519.01.1561
Club Certificate2025
DB2NED 2989
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDB 2 (Mod.)Measurement15/08/1996HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.334Max. Beam3.418Draft1.827Displacement3,993Wetted area20.23IMS L8.464LSM08.041Acc. length10.334Sink (kg/mm) 14.64
VCGD-0.043VCGM-0.014RM Rated (kg·m) 85.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight504Declared crew weightN/A
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.435PBW0.110PIPA0.0045
PSD0.025PHD0.064PHL0.106
PSA19.0°ESL1.020
ST10.023ST20.102ST30.102
ST40.043ST50.250
RIG
Forestay tensionFixedInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P12.400IG11.620ISP11.620MDT10.092MDL10.135MDT20.052MDL20.057TL2.900MW0.135GO0.135
E4.200J3.550BAS1.610FSD0.031SFJ0.000SPL3.630WPLTPSBD0.235MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/12/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
DB2NED 2989
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.170.871.542.673.5230.76* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC5.250.00NoNo 32.47* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC11.4111.4111.416.320.0060.50* Copied from legacy *