Club Certificate2025
MAJICNED 4887
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 Angles43.1°43.1°40.9°38.9°38.1°37.9°38.2°38.9°41.2°
Beat VMG2.323.203.894.334.504.574.614.634.47
52°3.634.875.726.166.336.426.476.536.49
60°3.885.135.926.326.516.606.676.756.75
75°4.035.296.066.456.716.886.997.157.20
90°3.925.256.146.556.787.057.277.577.74
110°3.895.256.196.687.067.387.628.068.36
120°3.715.066.046.597.047.457.888.699.51
135°3.244.525.556.286.747.207.679.0311.70
150°2.603.774.835.726.366.797.228.2010.37
Run VMG2.253.264.194.985.686.216.627.408.98
Gybe Angles145.8°145.8°150.7°155.3°162.8°171.4°176.3°175.4°142.4°
APH ToD:613.7CDL: 7.204APH ToT: 0.9776CertNo:none
BOAT
ClassJ-27DesignerR.JohnstoneBuilderD.P.YachtingAge date04/1992Series date01/1983Offset fileJ-27.offData fileNED4887
HULL
Length Overall8.428 mMaximum Beam2.594 mDraft1.524 mDisplacement1,828 kgDLR5.1610IMS DivisionSportboatDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight320 kg(declared)Minimum weight190 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.7723.29Headsail Luffed14.7914.79Headsail FlyingSymmetric42.6942.69Asymmetric
STORM SAIL AREAS (m²)
Trysail6.73Storm Jib4.20Heavy Weather Jib11.32
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.
ORC Ref  04310003WISIssued on 08/08/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
MAJICNED 4887
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 VMG1549.91124.0926.0831.5800.5787.8780.6778.3805.6
52°990.9738.7629.4584.3568.3561.0556.1551.2554.5
60°928.1702.2608.2569.9553.1545.2539.6533.2533.7
75°893.8681.1594.5557.9536.6522.9514.7503.7500.2
90°919.2686.0586.8549.8531.1510.7495.4475.5465.1
110°926.4686.2581.8538.8509.7488.0472.2446.6430.7
120°970.4711.7596.4545.9511.6483.2457.1414.5378.4
135°1111.3797.3649.0573.7533.9500.0469.2398.5307.6
150°1385.5955.8745.0629.3566.4530.4498.9439.2347.3
Run VMG1601.31103.7859.8722.5633.6579.6544.1486.2401.0
Selected Courses
Windward / Leeward1573.81113.8892.9777.0717.0683.7662.3632.3603.3
All purpose1180.0854.7704.0631.1594.3571.4554.4527.2502.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward750.10.7999
All purpose613.70.9776
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6967
Downwind "popa"0.8520
70% up, 30% down "Ilhabela"0.7370
30% up, 70% down "Ilhabela-inverso"0.7986
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Predominantly Upwind665.50.9015
Predominantly Downwind620.00.9677
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low779.30.7699
Triple Number AP Medium610.10.9835
Triple Number AP High548.41.0940
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Single Number Predominant Upwind691.20.8681
Single Number Predominant Reaching609.40.9845
Single Number Predominant Downwind645.70.9292
Predominant Upwind - Low934.80.6419
Predominant Upwind - Low/Med721.20.8320
Predominant Upwind - Medium646.10.9286
Predominant Upwind - Med/High610.00.9836
Predominant Upwind - High592.11.0133
Predominant Downwind Low946.20.6341
Predominant Downwind Low/Med701.30.8556
Predominant Downwind Medium599.41.0010
Predominant Downwind Med/High533.01.1258
Predominant Downwind High483.41.2411
Predominant Reaching Low835.50.7181
Predominant Reaching Low/Med645.20.9300
Predominant Reaching Medium573.51.0462
Predominant Reaching Med/High526.91.1388
Predominant Reaching High492.61.2180
SA/DSPL Upwind25.08SA/DSPL Downwind43.70
Scoring OptionTODTOT
5-Band Windward/Leeward Low1174.10.5110
5-Band Windward/Leeward Low/Med858.60.6988
5-Band Windward/Leeward Medium731.50.8202
5-Band Windward/Leeward Med/High665.50.9016
5-Band Windward/Leeward High632.50.9487
Windward/Leeward 60-40 Low1175.40.5104
Windward/Leeward 60-40 Low/Med867.60.6916
Windward/Leeward 60-40 Medium747.60.8025
Windward/Leeward 60-40 Med/High689.00.8708
Windward/Leeward 60-40 High662.70.9054
5-Band AP Low860.70.6971
5-Band AP Low/Med684.30.8768
5-Band AP Medium602.40.9961
5-Band AP Med/High556.01.0791
5-Band AP High527.61.1372
5-Band SF Bay Tour - Low1008.90.5947
5-Band SF Bay Tour - Low/Med821.80.7301
5-Band SF Bay Tour - Medium708.90.8464
5-Band SF Bay Tour - Med/High650.30.9226
5-Band SF Bay Tour - High618.50.9701
Chicago-Mac Upwind0.8445
Chicago-Mac All Purpose0.8721
Chicago-Mac Downwind0.8947
Bayview-Mac Cove Island0.6409
Bayview-Mac Shore0.6460
Harvest Moon Regatta531.31.1293
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance666.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating666.50.9002
FinRating, kevyt tuuli1153.30.8671
FinRating, kova tuuli528.50.9462
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9002
Triple Number Coastal/Long Distance Low0.7699
Triple Number Coastal/Long Distance Medium0.9836
Triple Number Coastal/Long Distance High1.0940
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
For information
General Purpose Handicap (GPH)686.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low779.3
Triple Number Coastal/Long Distance Medium610.0
Triple Number Coastal/Long Distance High548.4
Triple Number Windward/Leeward Low1003.3
Triple Number Windward/Leeward Medium743.3
Triple Number Windward/Leeward High656.4
Predominantly Upwind665.5
Predominantly Downwind620.0
Predominantly Reaching596.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7699
Triple Number Coastal/Long Distance Medium0.9836
Triple Number Coastal/Long Distance High1.0940
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9141
Coastal/Long Distance0.9002
Predominantly Upwind0.9015
Predominantly Downwind0.9677
For information
General Purpose Handicap (GPH)686.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9776
Distanseseilas Trippeltall svak vind0.7699
Distanseseilas Trippeltall mellomvind0.9836
Distanseseilas Trippeltall sterk vind1.0940
Pølsebane Trippeltall svak vind0.5980
Pølsebane Trippeltall mellomvind0.8072
Pølsebane Trippeltall sterk vind0.9141
Motvind Singeltall0.9015
Medvind Singeltall0.9677
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Coastal/Long Distance666.50.9002
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind665.50.9015
Predominantly Downwind620.00.9677
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore612.00.9804
Cape Doctor Coastal509.81.1770
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7699
Triple Number Coastal/Long Distance Medium0.9836
Triple Number Coastal/Long Distance High1.0940
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9141
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7699
Triple Number Coastal/Long Distance Medium0.9836
Triple Number Coastal/Long Distance High1.0940
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9141
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Predominantly Upwind665.50.9015
Predominantly Downwind620.00.9677
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance666.50.9002
Triple Number Coastal/Long Distance Low779.30.7699
Triple Number Coastal/Long Distance Medium610.00.9836
Triple Number Coastal/Long Distance High548.41.0940
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1674.71112.8841.1705.5633.0592.8559.0502.4476.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low779.30.7699
Triple Number AP Medium610.10.9835
Triple Number AP High548.41.0940
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High656.40.9141
Single Number Predominant Upwind691.20.8681
Single Number Predominant Reaching609.40.9845
Single Number Predominant Downwind645.70.9292
Predominant Upwind - Low934.80.6419
Predominant Upwind - Low/Med721.20.8320
Predominant Upwind - Medium646.10.9286
Predominant Upwind - Med/High610.00.9836
Predominant Upwind - High592.11.0133
Predominant Downwind Low946.20.6341
Predominant Downwind Low/Med701.30.8556
Predominant Downwind Medium599.41.0010
Predominant Downwind Med/High533.01.1258
Predominant Downwind High483.41.2411
Predominant Reaching Low835.50.7181
Predominant Reaching Low/Med645.20.9300
Predominant Reaching Medium573.51.0462
Predominant Reaching Med/High526.91.1388
Predominant Reaching High492.61.2180
SA/DSPL Upwind25.08SA/DSPL Downwind43.70
Scoring OptionTODTOT
5-Band Windward/Leeward Low1174.10.5110
5-Band Windward/Leeward Low/Med858.60.6988
5-Band Windward/Leeward Medium731.50.8202
5-Band Windward/Leeward Med/High665.50.9016
5-Band Windward/Leeward High632.50.9487
Windward/Leeward 60-40 Low1175.40.5104
Windward/Leeward 60-40 Low/Med867.60.6916
Windward/Leeward 60-40 Medium747.60.8025
Windward/Leeward 60-40 Med/High689.00.8708
Windward/Leeward 60-40 High662.70.9054
5-Band AP Low860.70.6971
5-Band AP Low/Med684.30.8768
5-Band AP Medium602.40.9961
5-Band AP Med/High556.01.0791
5-Band AP High527.61.1372
5-Band SF Bay Tour - Low1008.90.5947
5-Band SF Bay Tour - Low/Med821.80.7301
5-Band SF Bay Tour - Medium708.90.8464
5-Band SF Bay Tour - Med/High650.30.9226
5-Band SF Bay Tour - High618.50.9701
Chicago-Mac Upwind0.8445
Chicago-Mac All Purpose0.8721
Chicago-Mac Downwind0.8947
Bayview-Mac Cove Island0.6409
Bayview-Mac Shore0.6460
Harvest Moon Regatta531.31.1293
ORC Ref  04310003WISIssued on 08/08/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
MAJICNED 4887
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-27Measurement11/05/1992HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.428Max. Beam2.594Draft1.524Displacement1,828Wetted area13.52IMS L7.449LSM07.075Acc. length8.428Sink (kg/mm) 10.55
VCGD0.115VCGM0.101RM Rated (kg·m) 35.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight420Declared crew weight320
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P10.080IG9.090ISP9.190MDT10.084MDL10.129MDT20.058MDL20.105TL1.250MW0.129GO0.152
E3.810J3.200BAS1.090FSD0.026SFJ0.000SPL3.280WPLTPSBD0.105MWT63.00MCG3.350
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered35.3Flotation Date09/03/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04310003WISIssued on 08/08/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
MAJICNED 4887
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20250.180.811.442.433.1722.77
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20250.080.470.871.612.353.089.27YesNo 14.79
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment20259.209.209.205.585.5242.69
ORC Ref  04310003WISIssued on 08/08/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org