Club Certificate2025
BlåtannNOR 3567
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 Angles41.7°41.7°40.1°38.5°38.2°38.2°38.1°38.5°40.1°
Beat VMG2.623.544.214.594.734.794.844.864.76
52°4.025.306.106.496.656.726.776.836.82
60°4.265.536.286.656.826.896.957.037.05
75°4.395.676.396.777.007.147.227.367.43
90°4.265.566.346.787.067.287.447.677.84
110°3.955.346.316.847.197.487.738.088.38
120°3.765.136.136.737.127.467.798.478.98
135°3.294.575.626.396.867.227.588.399.64
150°2.703.884.945.836.486.917.257.948.88
Run VMG2.343.364.285.085.796.356.787.438.09
Gybe Angles146.2°146.2°151.4°155.2°162.8°170.2°177.7°178.6°177.2°
APH ToD:592.1CDL: 7.919APH ToT: 1.0134CertNo:4362
BOAT
ClassX-102 Mk IDesignerNielsJeppesenBuilderNordsø VærftAge date01/1981Series date01/1981Offset fileH099.BOFData file4362
HULL
Length Overall9.990 mMaximum Beam3.346 mDraft1.888 mDisplacement3,846 kgDLR8.2260IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight480 kg(default)Minimum weight350 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.3635.15Headsail Luffed29.5629.56Headsail FlyingSymmetric60.0060.00Asymmetric
STORM SAIL AREAS (m²)
Trysail9.79Storm Jib6.91Heavy Weather Jib18.64
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
BlåtannNOR 3567
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 VMG1376.71015.9855.0784.8761.5750.9744.5741.0756.2
52°894.7678.8589.9554.5541.7535.8531.9527.4527.8
60°845.9650.6573.5541.7528.2522.2517.8512.0510.5
75°819.2634.5563.4531.6514.4504.3498.4489.4484.8
90°844.9647.3567.5530.9510.2494.8483.7469.3459.4
110°910.5673.9570.2526.4500.5481.1465.9445.6429.5
120°957.3701.9587.1535.2505.7482.6462.3425.2401.1
135°1095.7787.1640.5563.6524.7498.4475.2429.3373.6
150°1333.4927.8728.9617.9555.5521.2496.6453.3405.2
Run VMG1541.51071.3840.7708.6622.1567.0531.0484.8444.9
Selected Courses
Windward / Leeward1457.01043.6847.9746.7691.8659.0637.7612.9600.6
All purpose1100.4806.8673.0607.7574.2553.9539.6518.8503.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward720.10.8333
All purpose592.11.0134
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7429
Downwind "popa"0.8704
70% up, 30% down "Ilhabela"0.7770
30% up, 70% down "Ilhabela-inverso"0.8278
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Predominantly Upwind635.30.9444
Predominantly Downwind603.60.9941
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low739.90.8110
Triple Number AP Medium588.61.0194
Triple Number AP High535.31.1208
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Single Number Predominant Upwind657.50.9125
Single Number Predominant Reaching589.31.0181
Single Number Predominant Downwind629.30.9535
Predominant Upwind - Low865.70.6931
Predominant Upwind - Low/Med682.50.8791
Predominant Upwind - Medium618.60.9699
Predominant Upwind - Med/High588.01.0204
Predominant Upwind - High574.21.0450
Predominant Downwind Low908.30.6606
Predominant Downwind Low/Med679.80.8826
Predominant Downwind Medium583.81.0278
Predominant Downwind Med/High524.61.1437
Predominant Downwind High489.01.2269
Predominant Reaching Low792.60.7570
Predominant Reaching Low/Med620.90.9664
Predominant Reaching Medium555.11.0809
Predominant Reaching Med/High516.11.1625
Predominant Reaching High491.91.2199
SA/DSPL Upwind25.93SA/DSPL Downwind38.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1098.50.5462
5-Band Windward/Leeward Low/Med818.00.7335
5-Band Windward/Leeward Medium703.90.8524
5-Band Windward/Leeward Med/High641.70.9350
5-Band Windward/Leeward High615.10.9755
Windward/Leeward 60-40 Low1092.00.5494
Windward/Leeward 60-40 Low/Med822.40.7296
Windward/Leeward 60-40 Medium717.10.8367
Windward/Leeward 60-40 Med/High662.60.9055
Windward/Leeward 60-40 High640.90.9362
5-Band AP Low817.90.7336
5-Band AP Low/Med655.10.9159
5-Band AP Medium581.61.0315
5-Band AP Med/High541.41.1083
5-Band AP High519.81.1543
5-Band SF Bay Tour - Low947.00.6336
5-Band SF Bay Tour - Low/Med782.40.7669
5-Band SF Bay Tour - Medium682.20.8795
5-Band SF Bay Tour - Med/High629.30.9535
5-Band SF Bay Tour - High604.50.9925
Chicago-Mac Upwind0.8896
Chicago-Mac All Purpose0.9083
Chicago-Mac Downwind0.9205
Bayview-Mac Cove Island0.6787
Bayview-Mac Shore0.6849
Harvest Moon Regatta519.71.1544
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance642.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating642.10.9344
FinRating, kevyt tuuli1080.70.9254
FinRating, kova tuuli522.60.9567
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9344
Triple Number Coastal/Long Distance Low0.8110
Triple Number Coastal/Long Distance Medium1.0195
Triple Number Coastal/Long Distance High1.1208
Triple Number Windward/Leeward Low0.6344
Triple Number Windward/Leeward Medium0.8393
Triple Number Windward/Leeward High0.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
For information
General Purpose Handicap (GPH)659.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low739.8
Triple Number Coastal/Long Distance Medium588.5
Triple Number Coastal/Long Distance High535.3
Triple Number Windward/Leeward Low945.8
Triple Number Windward/Leeward Medium714.9
Triple Number Windward/Leeward High633.7
Predominantly Upwind635.3
Predominantly Downwind603.6
Predominantly Reaching579.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8110
Triple Number Coastal/Long Distance Medium1.0195
Triple Number Coastal/Long Distance High1.1208
Triple Number Windward/Leeward Low0.6344
Triple Number Windward/Leeward Medium0.8393
Triple Number Windward/Leeward High0.9468
Coastal/Long Distance0.9344
Predominantly Upwind0.9444
Predominantly Downwind0.9941
For information
General Purpose Handicap (GPH)659.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0134
Distanseseilas Trippeltall svak vind0.8110
Distanseseilas Trippeltall mellomvind1.0195
Distanseseilas Trippeltall sterk vind1.1208
Pølsebane Trippeltall svak vind0.6344
Pølsebane Trippeltall mellomvind0.8393
Pølsebane Trippeltall sterk vind0.9468
Motvind Singeltall0.9444
Medvind Singeltall0.9941
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Coastal/Long Distance642.10.9344
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind635.30.9444
Predominantly Downwind603.60.9941
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore604.30.9929
Cape Doctor Coastal508.31.1804
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8110
Triple Number Coastal/Long Distance Medium1.0195
Triple Number Coastal/Long Distance High1.1208
Triple Number Windward/Leeward Low0.6344
Triple Number Windward/Leeward Medium0.8393
Triple Number Windward/Leeward High0.9468
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8110
Triple Number Coastal/Long Distance Medium1.0195
Triple Number Coastal/Long Distance High1.1208
Triple Number Windward/Leeward Low0.6344
Triple Number Windward/Leeward Medium0.8393
Triple Number Windward/Leeward High0.9468
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Predominantly Upwind635.30.9444
Predominantly Downwind603.60.9941
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.10.9344
Triple Number Coastal/Long Distance Low739.80.8110
Triple Number Coastal/Long Distance Medium588.51.0195
Triple Number Coastal/Long Distance High535.31.1208
Triple Number Windward/Leeward Low945.80.6344
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1554.21046.4801.1678.8611.2574.5545.1496.1480.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low739.90.8110
Triple Number AP Medium588.61.0194
Triple Number AP High535.31.1208
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium714.90.8393
Triple Number Windward/Leeward High633.70.9468
Single Number Predominant Upwind657.50.9125
Single Number Predominant Reaching589.31.0181
Single Number Predominant Downwind629.30.9535
Predominant Upwind - Low865.70.6931
Predominant Upwind - Low/Med682.50.8791
Predominant Upwind - Medium618.60.9699
Predominant Upwind - Med/High588.01.0204
Predominant Upwind - High574.21.0450
Predominant Downwind Low908.30.6606
Predominant Downwind Low/Med679.80.8826
Predominant Downwind Medium583.81.0278
Predominant Downwind Med/High524.61.1437
Predominant Downwind High489.01.2269
Predominant Reaching Low792.60.7570
Predominant Reaching Low/Med620.90.9664
Predominant Reaching Medium555.11.0809
Predominant Reaching Med/High516.11.1625
Predominant Reaching High491.91.2199
SA/DSPL Upwind25.93SA/DSPL Downwind38.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1098.50.5462
5-Band Windward/Leeward Low/Med818.00.7335
5-Band Windward/Leeward Medium703.90.8524
5-Band Windward/Leeward Med/High641.70.9350
5-Band Windward/Leeward High615.10.9755
Windward/Leeward 60-40 Low1092.00.5494
Windward/Leeward 60-40 Low/Med822.40.7296
Windward/Leeward 60-40 Medium717.10.8367
Windward/Leeward 60-40 Med/High662.60.9055
Windward/Leeward 60-40 High640.90.9362
5-Band AP Low817.90.7336
5-Band AP Low/Med655.10.9159
5-Band AP Medium581.61.0315
5-Band AP Med/High541.41.1083
5-Band AP High519.81.1543
5-Band SF Bay Tour - Low947.00.6336
5-Band SF Bay Tour - Low/Med782.40.7669
5-Band SF Bay Tour - Medium682.20.8795
5-Band SF Bay Tour - Med/High629.30.9535
5-Band SF Bay Tour - High604.50.9925
Chicago-Mac Upwind0.8896
Chicago-Mac All Purpose0.9083
Chicago-Mac Downwind0.9205
Bayview-Mac Cove Island0.6787
Bayview-Mac Shore0.6849
Harvest Moon Regatta519.71.1544
Club Certificate2025
BlåtannNOR 3567
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-102 Mk IMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.990Max. Beam3.346Draft1.888Displacement3,846Wetted area19.79IMS L8.148LSM07.761Acc. length9.979Sink (kg/mm) 14.24
VCGD0.000VCGM0.063RM Rated (kg·m) 78.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight480Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0057
PSD0.030PHD0.080PHL0.160
PSA16.0°ESL0.670
ST10.030ST20.100ST30.100
ST40.100ST50.100
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P12.830IG11.750ISP11.750MDT10.110MDL10.150MDT20.080MDL20.080TL2.780MW0.150GO0.150
E4.360J3.380BAS1.650FSD0.030SFJ0.000SPL3.420WPLTPS0.000BD0.000MWT109.00MCG4.300
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.000Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
BlåtannNOR 3567
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2021042613340.221.091.792.883.7134.3626/04/2021FORENKLET
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2021042613340.000.000.000.000.005.0211.57NoNo 29.5626/04/2021FORENKLET
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment1-20210426133511.6311.6311.636.200.0060.0026/04/2021FORENKLET
CRUISER/RACER REQUIREMENTS*
Accommodation length10.0 mTable area0.44 m²Headroom1.70 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity80 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity50 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.