Club Certificate2025
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles42.3°42.3°40.4°38.9°37.9°37.6°37.4°37.4°38.1°
Beat VMG2.723.724.485.005.285.415.495.555.51
52°4.215.616.567.127.407.557.627.687.69
60°4.455.876.787.287.567.727.817.897.92
75°4.606.036.917.407.707.918.078.238.33
90°4.445.896.837.377.707.968.188.528.74
110°4.215.776.917.547.918.218.428.738.83
120°4.085.616.777.467.898.258.579.109.48
135°3.615.056.247.127.668.068.439.2210.24
150°2.994.295.456.457.207.688.068.799.67
Run VMG2.583.714.725.596.346.947.418.138.80
Gybe Angles145.3°145.3°149.6°152.3°157.9°164.6°170.5°177.2°176.3°
APH ToD:537.0CDL: 9.952APH ToT: 1.1174CertNo:7103
BOAT
ClassX-412DesignerNielsJeppesenBuilderX/yachtsAge dateSeries date01/1990Offset fileIX412.OFFData file7103
HULL
Length Overall12.476 mMaximum Beam3.858 mDraft2.208 mDisplacement7,599 kgDLR8.0838IMS DivisionCruiser/RacerDynamic Allowance0.110%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight700 kg(declared)Minimum weight570 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.6440.28Headsail Luffed48.5948.59Headsail FlyingSymmetric122.01122.01Asymmetric
STORM SAIL AREAS (m²)
Trysail11.85Storm Jib14.30Heavy Weather Jib38.59
SAIL LIMITS
Headsails6Spinnakers5
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
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1324.8968.5803.9720.2681.9665.1655.5648.3653.8
52°855.8641.6548.7505.7486.2477.0472.3469.0468.1
60°808.4612.8531.1494.2476.1466.1460.8456.5454.7
75°781.9596.6520.8486.5467.5455.1446.3437.7432.3
90°810.5611.4526.9488.2467.3452.4440.3422.6411.7
110°854.5624.2520.9477.6454.9438.7427.8412.3407.8
120°882.5641.8532.1482.5456.3436.6419.9395.7379.7
135°998.6712.9576.6505.5469.9446.7426.8390.3351.5
150°1206.0840.1660.4558.5500.1468.6446.8409.5372.1
Run VMG1393.0970.1762.6643.6567.7518.5485.5442.8409.0
Selected Courses
Windward / Leeward1357.6969.3783.3681.9624.8591.8570.5545.6531.4
All purpose1031.8750.6620.2553.8518.4497.7483.6464.8452.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward653.30.9184
All purpose537.01.1174
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8166
Downwind "popa"0.9565
70% up, 30% down "Ilhabela"0.8540
30% up, 70% down "Ilhabela-inverso"0.9097
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Predominantly Upwind576.71.0404
Predominantly Downwind547.91.0951
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low685.40.8754
Triple Number AP Medium533.61.1245
Triple Number AP High480.11.2498
Triple Number Windward/Leeward Low914.40.6562
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Single Number Predominant Upwind598.61.0024
Single Number Predominant Reaching537.21.1170
Single Number Predominant Downwind571.81.0494
Predominant Upwind - Low814.20.7370
Predominant Upwind - Low/Med629.20.9536
Predominant Upwind - Medium558.81.0737
Predominant Upwind - Med/High524.21.1446
Predominant Upwind - High509.81.1770
Predominant Downwind Low834.00.7195
Predominant Downwind Low/Med619.30.9688
Predominant Downwind Medium528.61.1352
Predominant Downwind Med/High473.51.2673
Predominant Downwind High442.01.3574
Predominant Reaching Low737.40.8136
Predominant Reaching Low/Med569.11.0542
Predominant Reaching Medium503.11.1926
Predominant Reaching Med/High464.71.2910
Predominant Reaching High442.31.3566
SA/DSPL Upwind22.67SA/DSPL Downwind41.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low1020.20.5881
5-Band Windward/Leeward Low/Med751.50.7984
5-Band Windward/Leeward Medium637.50.9412
5-Band Windward/Leeward Med/High574.51.0444
5-Band Windward/Leeward High547.41.0960
Windward/Leeward 60-40 Low1019.40.5886
Windward/Leeward 60-40 Low/Med757.40.7922
Windward/Leeward 60-40 Medium648.70.9250
Windward/Leeward 60-40 Med/High591.21.0149
Windward/Leeward 60-40 High568.11.0562
5-Band AP Low758.50.7910
5-Band AP Low/Med601.00.9984
5-Band AP Medium526.41.1399
5-Band AP Med/High485.71.2353
5-Band AP High465.91.2878
5-Band SF Bay Tour - Low880.10.6817
5-Band SF Bay Tour - Low/Med718.70.8349
5-Band SF Bay Tour - Medium616.40.9735
5-Band SF Bay Tour - Med/High561.91.0679
5-Band SF Bay Tour - High537.51.1162
Chicago-Mac Upwind0.9732
Chicago-Mac All Purpose0.9953
Chicago-Mac Downwind1.0119
Bayview-Mac Cove Island0.7346
Bayview-Mac Shore0.7403
Harvest Moon Regatta472.51.2698
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance582.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating582.71.0298
FinRating, kevyt tuuli1003.50.9965
FinRating, kova tuuli469.21.0656
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0298
Triple Number Coastal/Long Distance Low0.8754
Triple Number Coastal/Long Distance Medium1.1246
Triple Number Coastal/Long Distance High1.2498
Triple Number Windward/Leeward Low0.6847
Triple Number Windward/Leeward Medium0.9248
Triple Number Windward/Leeward High1.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
For information
General Purpose Handicap (GPH)601.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low685.4
Triple Number Coastal/Long Distance Medium533.5
Triple Number Coastal/Long Distance High480.1
Triple Number Windward/Leeward Low876.3
Triple Number Windward/Leeward Medium648.8
Triple Number Windward/Leeward High566.5
Predominantly Upwind576.7
Predominantly Downwind547.9
Predominantly Reaching526.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8754
Triple Number Coastal/Long Distance Medium1.1246
Triple Number Coastal/Long Distance High1.2498
Triple Number Windward/Leeward Low0.6847
Triple Number Windward/Leeward Medium0.9248
Triple Number Windward/Leeward High1.0592
Coastal/Long Distance1.0298
Predominantly Upwind1.0404
Predominantly Downwind1.0951
For information
General Purpose Handicap (GPH)601.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1174
Distanseseilas Trippeltall svak vind0.8754
Distanseseilas Trippeltall mellomvind1.1246
Distanseseilas Trippeltall sterk vind1.2498
Pølsebane Trippeltall svak vind0.6847
Pølsebane Trippeltall mellomvind0.9248
Pølsebane Trippeltall sterk vind1.0592
Motvind Singeltall1.0404
Medvind Singeltall1.0951
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Coastal/Long Distance582.71.0298
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind576.71.0404
Predominantly Downwind547.91.0951
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore535.71.1201
Cape Doctor Coastal456.01.3157
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8754
Triple Number Coastal/Long Distance Medium1.1246
Triple Number Coastal/Long Distance High1.2498
Triple Number Windward/Leeward Low0.6847
Triple Number Windward/Leeward Medium0.9248
Triple Number Windward/Leeward High1.0592
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8754
Triple Number Coastal/Long Distance Medium1.1246
Triple Number Coastal/Long Distance High1.2498
Triple Number Windward/Leeward Low0.6847
Triple Number Windward/Leeward Medium0.9248
Triple Number Windward/Leeward High1.0592
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Predominantly Upwind576.71.0404
Predominantly Downwind547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.71.0298
Triple Number Coastal/Long Distance Low685.40.8754
Triple Number Coastal/Long Distance Medium533.51.1246
Triple Number Coastal/Long Distance High480.11.2498
Triple Number Windward/Leeward Low876.30.6847
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.5969.4739.1619.2551.3515.9488.9447.6434.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low685.40.8754
Triple Number AP Medium533.61.1245
Triple Number AP High480.11.2498
Triple Number Windward/Leeward Low914.40.6562
Triple Number Windward/Leeward Medium648.80.9248
Triple Number Windward/Leeward High566.51.0592
Single Number Predominant Upwind598.61.0024
Single Number Predominant Reaching537.21.1170
Single Number Predominant Downwind571.81.0494
Predominant Upwind - Low814.20.7370
Predominant Upwind - Low/Med629.20.9536
Predominant Upwind - Medium558.81.0737
Predominant Upwind - Med/High524.21.1446
Predominant Upwind - High509.81.1770
Predominant Downwind Low834.00.7195
Predominant Downwind Low/Med619.30.9688
Predominant Downwind Medium528.61.1352
Predominant Downwind Med/High473.51.2673
Predominant Downwind High442.01.3574
Predominant Reaching Low737.40.8136
Predominant Reaching Low/Med569.11.0542
Predominant Reaching Medium503.11.1926
Predominant Reaching Med/High464.71.2910
Predominant Reaching High442.31.3566
SA/DSPL Upwind22.67SA/DSPL Downwind41.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low1020.20.5881
5-Band Windward/Leeward Low/Med751.50.7984
5-Band Windward/Leeward Medium637.50.9412
5-Band Windward/Leeward Med/High574.51.0444
5-Band Windward/Leeward High547.41.0960
Windward/Leeward 60-40 Low1019.40.5886
Windward/Leeward 60-40 Low/Med757.40.7922
Windward/Leeward 60-40 Medium648.70.9250
Windward/Leeward 60-40 Med/High591.21.0149
Windward/Leeward 60-40 High568.11.0562
5-Band AP Low758.50.7910
5-Band AP Low/Med601.00.9984
5-Band AP Medium526.41.1399
5-Band AP Med/High485.71.2353
5-Band AP High465.91.2878
5-Band SF Bay Tour - Low880.10.6817
5-Band SF Bay Tour - Low/Med718.70.8349
5-Band SF Bay Tour - Medium616.40.9735
5-Band SF Bay Tour - Med/High561.91.0679
5-Band SF Bay Tour - High537.51.1162
Chicago-Mac Upwind0.9732
Chicago-Mac All Purpose0.9953
Chicago-Mac Downwind1.0119
Bayview-Mac Cove Island0.7346
Bayview-Mac Shore0.7403
Harvest Moon Regatta472.51.2698
Club Certificate2025
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-412MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.476Max. Beam3.858Draft2.208Displacement7,599Wetted area29.50IMS L10.314LSM09.795Acc. length12.476Sink (kg/mm) 21.41
VCGD-0.053VCGM0.005RM Rated (kg·m) 172.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight668Declared crew weight700
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBWPIPA0.0038
EDL2.700ST10.067ST20.180
ST30.180ST40.180ST50.295
RIG
Forestay tensionAftInner stayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders3Rotating mastNo
P14.400IG16.490ISP16.477MDT10.116MDL10.213MDT20.100MDL20.180TL1.450MW0.180GO0.300
E4.700J4.880BAS1.825FSD0.000SFJ0.000SPL4.978WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered172.0Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2018112214560.050.911.712.983.9339.6422/11/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2018112113360.090.781.492.984.556.1216.02NoNo 48.5921/11/2018
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment315-20050629150516.3416.3416.340.000.00122.0129/06/2005
CRUISER/RACER REQUIREMENTS*
Accommodation length12.5 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity162 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity100 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.