Double HandedClub Certificate2025
Mata'iNOR 8283
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 Angles41.9°41.9°39.4°39.1°39.1°39.3°39.7°41.3°45.2°
Beat VMG2.613.474.014.214.284.314.324.244.00
52°4.035.185.776.006.096.146.186.196.10
60°4.255.395.936.166.276.346.396.446.39
75°4.385.536.066.346.516.636.736.866.88
90°4.295.466.066.416.676.887.057.327.50
110°4.035.306.086.516.867.177.407.858.23
120°3.855.135.986.466.877.297.728.589.53
135°3.364.595.546.216.667.117.629.3111.95
150°2.673.834.865.706.296.717.168.3611.17
Run VMG2.313.324.224.985.656.146.547.399.67
Gybe Angles146.2°146.2°151.4°157.2°164.2°171.8°176.3°167.2°146.9°
APH ToD:626.4CDL: 6.482APH ToT: 0.9578CertNo:5361
BOAT
ClassBANNER 28 LRDesignerIbHaugeNilsenBuilderIN Fiberbåde ASAge date01/1981Series date01/1979Offset fileCLBAN28R.OFFData file5361
HULL
Length Overall8.500 mMaximum Beam2.968 mDraft1.394 mDisplacement1,502 kgDLR6.1541IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight140 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.7622.43Headsail Luffed18.4418.44Headsail FlyingSymmetric40.6840.68Asymmetric
STORM SAIL AREAS (m²)
Trysail6.05Storm Jib3.53Heavy Weather Jib9.53
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.
Double HandedClub Certificate2025
Mata'iNOR 8283
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 VMG1377.41037.5898.4855.6840.3835.5833.9849.0900.0
52°892.5695.4623.8600.4591.3586.3582.7581.9590.2
60°847.5668.4606.9584.0574.3568.1563.3559.3563.3
75°821.5651.6594.4567.9552.6543.2535.3525.0523.1
90°839.1659.0594.0562.0539.9523.1510.9491.7479.7
110°892.9679.5592.0552.8524.7502.4486.5458.7437.6
120°935.8702.2602.4557.2523.8494.2466.1419.6377.8
135°1072.7783.8649.8579.6540.9506.6472.7386.8301.3
150°1347.1939.3740.3631.8572.7536.3502.7430.7322.4
Run VMG1557.51084.6853.8723.3637.5586.1550.3487.3372.3
Selected Courses
Windward / Leeward1464.31061.0876.1789.4738.9710.8692.1668.1636.2
All purpose1097.1819.2698.3643.2611.9591.8575.9549.6525.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward765.00.7843
All purpose626.40.9578
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6829
Downwind "popa"0.8532
70% up, 30% down "Ilhabela"0.7264
30% up, 70% down "Ilhabela-inverso"0.7938
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Predominantly Upwind679.70.8827
Predominantly Downwind626.10.9583
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low758.80.7908
Triple Number AP Medium624.50.9607
Triple Number AP High570.01.0527
Triple Number Windward/Leeward Low1009.80.5942
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Single Number Predominant Upwind700.00.8571
Single Number Predominant Reaching613.70.9776
Single Number Predominant Downwind647.90.9261
Predominant Upwind - Low880.40.6815
Predominant Upwind - Low/Med719.30.8342
Predominant Upwind - Medium666.40.9003
Predominant Upwind - Med/High639.20.9387
Predominant Upwind - High626.80.9572
Predominant Downwind Low916.20.6549
Predominant Downwind Low/Med700.50.8565
Predominant Downwind Medium609.00.9852
Predominant Downwind Med/High544.71.1016
Predominant Downwind High491.11.2217
Predominant Reaching Low801.10.7490
Predominant Reaching Low/Med646.30.9283
Predominant Reaching Medium585.81.0243
Predominant Reaching Med/High542.41.1061
Predominant Reaching High507.31.1827
SA/DSPL Upwind30.61SA/DSPL Downwind47.55
Scoring OptionTODTOT
5-Band Windward/Leeward Low1116.40.5374
5-Band Windward/Leeward Low/Med852.50.7038
5-Band Windward/Leeward Medium750.20.7998
5-Band Windward/Leeward Med/High695.20.8631
5-Band Windward/Leeward High666.80.8999
Windward/Leeward 60-40 Low1110.70.5402
Windward/Leeward 60-40 Low/Med861.10.6968
Windward/Leeward 60-40 Medium769.40.7798
Windward/Leeward 60-40 Med/High723.60.8292
Windward/Leeward 60-40 High704.40.8517
5-Band AP Low828.60.7241
5-Band AP Low/Med683.90.8773
5-Band AP Medium617.90.9710
5-Band AP Med/High577.11.0396
5-Band AP High550.01.0910
5-Band SF Bay Tour - Low965.40.6215
5-Band SF Bay Tour - Low/Med816.90.7345
5-Band SF Bay Tour - Medium728.30.8238
5-Band SF Bay Tour - Med/High679.70.8827
5-Band SF Bay Tour - High652.30.9198
Chicago-Mac Upwind0.8380
Chicago-Mac All Purpose0.8679
Chicago-Mac Downwind0.8933
Bayview-Mac Cove Island0.6629
Bayview-Mac Shore0.6690
Harvest Moon Regatta540.31.1104
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance678.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating678.10.8848
FinRating, kevyt tuuli1095.70.9127
FinRating, kova tuuli549.30.9102
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8848
Triple Number Coastal/Long Distance Low0.7908
Triple Number Coastal/Long Distance Medium0.9608
Triple Number Coastal/Long Distance High1.0527
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
For information
General Purpose Handicap (GPH)692.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low758.7
Triple Number Coastal/Long Distance Medium624.5
Triple Number Coastal/Long Distance High570.0
Triple Number Windward/Leeward Low968.5
Triple Number Windward/Leeward Medium760.2
Triple Number Windward/Leeward High687.8
Predominantly Upwind679.7
Predominantly Downwind626.1
Predominantly Reaching604.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7908
Triple Number Coastal/Long Distance Medium0.9608
Triple Number Coastal/Long Distance High1.0527
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.8724
Coastal/Long Distance0.8848
Predominantly Upwind0.8827
Predominantly Downwind0.9583
For information
General Purpose Handicap (GPH)692.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9578
Distanseseilas Trippeltall svak vind0.7908
Distanseseilas Trippeltall mellomvind0.9608
Distanseseilas Trippeltall sterk vind1.0527
Pølsebane Trippeltall svak vind0.6195
Pølsebane Trippeltall mellomvind0.7893
Pølsebane Trippeltall sterk vind0.8724
Motvind Singeltall0.8827
Medvind Singeltall0.9583
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Coastal/Long Distance678.10.8848
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind679.70.8827
Predominantly Downwind626.10.9583
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore645.80.9291
Cape Doctor Coastal532.71.1262
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7908
Triple Number Coastal/Long Distance Medium0.9608
Triple Number Coastal/Long Distance High1.0527
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.8724
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7908
Triple Number Coastal/Long Distance Medium0.9608
Triple Number Coastal/Long Distance High1.0527
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.8724
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Predominantly Upwind679.70.8827
Predominantly Downwind626.10.9583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance678.10.8848
Triple Number Coastal/Long Distance Low758.70.7908
Triple Number Coastal/Long Distance Medium624.50.9608
Triple Number Coastal/Long Distance High570.01.0527
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1557.91063.4828.1717.8652.3613.9579.7519.8490.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low758.80.7908
Triple Number AP Medium624.50.9607
Triple Number AP High570.01.0527
Triple Number Windward/Leeward Low1009.80.5942
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High687.80.8724
Single Number Predominant Upwind700.00.8571
Single Number Predominant Reaching613.70.9776
Single Number Predominant Downwind647.90.9261
Predominant Upwind - Low880.40.6815
Predominant Upwind - Low/Med719.30.8342
Predominant Upwind - Medium666.40.9003
Predominant Upwind - Med/High639.20.9387
Predominant Upwind - High626.80.9572
Predominant Downwind Low916.20.6549
Predominant Downwind Low/Med700.50.8565
Predominant Downwind Medium609.00.9852
Predominant Downwind Med/High544.71.1016
Predominant Downwind High491.11.2217
Predominant Reaching Low801.10.7490
Predominant Reaching Low/Med646.30.9283
Predominant Reaching Medium585.81.0243
Predominant Reaching Med/High542.41.1061
Predominant Reaching High507.31.1827
SA/DSPL Upwind30.61SA/DSPL Downwind47.55
Scoring OptionTODTOT
5-Band Windward/Leeward Low1116.40.5374
5-Band Windward/Leeward Low/Med852.50.7038
5-Band Windward/Leeward Medium750.20.7998
5-Band Windward/Leeward Med/High695.20.8631
5-Band Windward/Leeward High666.80.8999
Windward/Leeward 60-40 Low1110.70.5402
Windward/Leeward 60-40 Low/Med861.10.6968
Windward/Leeward 60-40 Medium769.40.7798
Windward/Leeward 60-40 Med/High723.60.8292
Windward/Leeward 60-40 High704.40.8517
5-Band AP Low828.60.7241
5-Band AP Low/Med683.90.8773
5-Band AP Medium617.90.9710
5-Band AP Med/High577.11.0396
5-Band AP High550.01.0910
5-Band SF Bay Tour - Low965.40.6215
5-Band SF Bay Tour - Low/Med816.90.7345
5-Band SF Bay Tour - Medium728.30.8238
5-Band SF Bay Tour - Med/High679.70.8827
5-Band SF Bay Tour - High652.30.9198
Chicago-Mac Upwind0.8380
Chicago-Mac All Purpose0.8679
Chicago-Mac Downwind0.8933
Bayview-Mac Cove Island0.6629
Bayview-Mac Shore0.6690
Harvest Moon Regatta540.31.1104
Double HandedClub Certificate2025
Mata'iNOR 8283
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBANNER 28 LRMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.500Max. Beam2.968Draft1.394Displacement1,502Wetted area11.31IMS L6.647LSM06.249Acc. length8.500Sink (kg/mm) 9.00
VCGD-0.050VCGM-0.024RM Rated (kg·m) 33.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight140
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P9.600IG8.400ISP8.400MDT10.070MDL10.100MDT20.050MDL20.070TL1.420MW0.000GO0.000
E3.600J2.950BAS1.080FSD0.000SFJ0.000SPL3.030WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.050Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Mata'iNOR 8283
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment417-2013080613490.130.811.532.533.1521.7606/08/2013
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment5361-2004012412010.000.000.000.000.004.078.90NoNo 18.4401/01/1753312-2011020915320.000.000.000.000.004.078.85NoNo 18.3309/02/2011
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment5361-2004012412028.958.958.950.000.0040.6801/01/1753
CRUISER/RACER REQUIREMENTS*
Accommodation length8.5 mTable area0.33 m²Headroom1.40 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity38 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.