Non Spin/HSFClub 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 Angles42.3°42.3°39.6°38.1°37.7°37.7°37.8°38.8°41.6°
Beat VMG2.563.464.084.384.484.534.554.524.34
52°4.025.205.856.126.246.306.356.406.35
60°4.265.426.006.266.406.486.556.636.63
75°4.395.556.106.406.616.776.887.067.14
90°4.275.466.096.456.736.977.197.547.80
110°3.694.945.796.306.687.047.428.409.42
120°3.394.655.596.166.556.937.338.4610.74
135°2.884.075.075.796.266.626.997.899.82
150°2.363.444.435.265.886.306.647.398.47
Run VMG2.042.983.844.615.305.866.276.957.73
Gybe Angles145.6°145.6°151.9°159.5°171.8°179.0°179.9°179.9°179.9°
APH ToD:633.1CDL: 6.830APH ToT: 0.9477CertNo: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 Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight270 kg(declared)Minimum weight140 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.7622.43Headsail Luffed18.4418.44Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.05Storm Jib3.53Heavy Weather Jib9.53
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
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.
Non Spin/HSFClub 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 VMG1405.31041.7883.4822.5803.1795.5791.5796.0830.2
52°896.0692.8615.6588.1577.1571.1566.7562.8567.0
60°846.1664.5600.4575.0562.2555.2549.5542.8543.1
75°820.7648.9589.9562.4544.5532.1523.2509.8504.2
90°844.0659.5591.2558.4535.3516.6501.0477.5461.5
110°975.8728.7621.3571.5539.2511.1485.2428.8382.2
120°1061.1774.5644.5584.9549.7519.4491.1425.4335.3
135°1248.9884.1709.8621.3575.5543.8514.8456.1366.7
150°1526.61047.3812.4684.6612.6571.8541.9486.9425.1
Run VMG1762.11209.3936.7780.5678.8613.8574.3518.2466.0
Selected Courses
Windward / Leeward1580.41125.5910.1801.5740.9704.6682.9657.1648.1
All purpose1172.7861.0719.8652.0615.2591.8574.4545.6522.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward771.90.7773
All purpose633.10.9477
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7078
Downwind "popa"0.7907
70% up, 30% down "Ilhabela"0.7308
30% up, 70% down "Ilhabela-inverso"0.7639
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Predominantly Upwind673.90.8904
Predominantly Downwind652.70.9192
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low790.40.7591
Triple Number AP Medium630.40.9518
Triple Number AP High568.01.0564
Triple Number Windward/Leeward Low1063.50.5642
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Single Number Predominant Upwind696.00.8621
Single Number Predominant Reaching627.30.9565
Single Number Predominant Downwind681.20.8807
Predominant Upwind - Low904.20.6636
Predominant Upwind - Low/Med720.60.8326
Predominant Upwind - Medium657.40.9127
Predominant Upwind - Med/High625.50.9592
Predominant Upwind - High611.10.9818
Predominant Downwind Low996.60.6021
Predominant Downwind Low/Med739.90.8110
Predominant Downwind Medium631.10.9507
Predominant Downwind Med/High562.11.0675
Predominant Downwind High517.31.1599
Predominant Reaching Low842.70.7120
Predominant Reaching Low/Med663.20.9047
Predominant Reaching Medium592.91.0119
Predominant Reaching Med/High547.31.0964
Predominant Reaching High515.31.1643
SA/DSPL Upwind30.61SA/DSPL Downwind30.61
Scoring OptionTODTOT
5-Band Windward/Leeward Low1186.20.5058
5-Band Windward/Leeward Low/Med878.50.6829
5-Band Windward/Leeward Medium754.20.7956
5-Band Windward/Leeward Med/High687.10.8732
5-Band Windward/Leeward High660.00.9090
Windward/Leeward 60-40 Low1167.50.5139
Windward/Leeward 60-40 Low/Med877.50.6837
Windward/Leeward 60-40 Medium765.50.7838
Windward/Leeward 60-40 Med/High708.50.8469
Windward/Leeward 60-40 High688.30.8718
5-Band AP Low877.40.6839
5-Band AP Low/Med701.30.8556
5-Band AP Medium622.70.9635
5-Band AP Med/High575.91.0418
5-Band AP High546.61.0978
5-Band SF Bay Tour - Low1016.30.5904
5-Band SF Bay Tour - Low/Med838.50.7156
5-Band SF Bay Tour - Medium730.80.8211
5-Band SF Bay Tour - Med/High673.70.8907
5-Band SF Bay Tour - High647.10.9273
Chicago-Mac Upwind0.8412
Chicago-Mac All Purpose0.8493
Chicago-Mac Downwind0.8485
Bayview-Mac Cove Island0.6323
Bayview-Mac Shore0.6399
Harvest Moon Regatta552.11.0867
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance687.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating687.70.8725
FinRating, kevyt tuuli1167.10.8569
FinRating, kova tuuli546.60.9148
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8725
Triple Number Coastal/Long Distance Low0.7591
Triple Number Coastal/Long Distance Medium0.9518
Triple Number Coastal/Long Distance High1.0564
Triple Number Windward/Leeward Low0.5895
Triple Number Windward/Leeward Medium0.7831
Triple Number Windward/Leeward High0.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
For information
General Purpose Handicap (GPH)705.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low790.4
Triple Number Coastal/Long Distance Medium630.4
Triple Number Coastal/Long Distance High568.0
Triple Number Windward/Leeward Low1017.8
Triple Number Windward/Leeward Medium766.2
Triple Number Windward/Leeward High678.7
Predominantly Upwind673.9
Predominantly Downwind652.7
Predominantly Reaching620.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7591
Triple Number Coastal/Long Distance Medium0.9518
Triple Number Coastal/Long Distance High1.0564
Triple Number Windward/Leeward Low0.5895
Triple Number Windward/Leeward Medium0.7831
Triple Number Windward/Leeward High0.8841
Coastal/Long Distance0.8725
Predominantly Upwind0.8904
Predominantly Downwind0.9192
For information
General Purpose Handicap (GPH)705.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9477
Distanseseilas Trippeltall svak vind0.7591
Distanseseilas Trippeltall mellomvind0.9518
Distanseseilas Trippeltall sterk vind1.0564
Pølsebane Trippeltall svak vind0.5895
Pølsebane Trippeltall mellomvind0.7831
Pølsebane Trippeltall sterk vind0.8841
Motvind Singeltall0.8904
Medvind Singeltall0.9192
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Coastal/Long Distance687.70.8725
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind673.90.8904
Predominantly Downwind652.70.9192
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore650.80.9220
Cape Doctor Coastal529.41.1335
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7591
Triple Number Coastal/Long Distance Medium0.9518
Triple Number Coastal/Long Distance High1.0564
Triple Number Windward/Leeward Low0.5895
Triple Number Windward/Leeward Medium0.7831
Triple Number Windward/Leeward High0.8841
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7591
Triple Number Coastal/Long Distance Medium0.9518
Triple Number Coastal/Long Distance High1.0564
Triple Number Windward/Leeward Low0.5895
Triple Number Windward/Leeward Medium0.7831
Triple Number Windward/Leeward High0.8841
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Predominantly Upwind673.90.8904
Predominantly Downwind652.70.9192
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance687.70.8725
Triple Number Coastal/Long Distance Low790.40.7591
Triple Number Coastal/Long Distance Medium630.40.9518
Triple Number Coastal/Long Distance High568.01.0564
Triple Number Windward/Leeward Low1017.80.5895
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1704.01133.8860.5728.8655.0614.0580.3517.7484.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low790.40.7591
Triple Number AP Medium630.40.9518
Triple Number AP High568.01.0564
Triple Number Windward/Leeward Low1063.50.5642
Triple Number Windward/Leeward Medium766.20.7831
Triple Number Windward/Leeward High678.70.8841
Single Number Predominant Upwind696.00.8621
Single Number Predominant Reaching627.30.9565
Single Number Predominant Downwind681.20.8807
Predominant Upwind - Low904.20.6636
Predominant Upwind - Low/Med720.60.8326
Predominant Upwind - Medium657.40.9127
Predominant Upwind - Med/High625.50.9592
Predominant Upwind - High611.10.9818
Predominant Downwind Low996.60.6021
Predominant Downwind Low/Med739.90.8110
Predominant Downwind Medium631.10.9507
Predominant Downwind Med/High562.11.0675
Predominant Downwind High517.31.1599
Predominant Reaching Low842.70.7120
Predominant Reaching Low/Med663.20.9047
Predominant Reaching Medium592.91.0119
Predominant Reaching Med/High547.31.0964
Predominant Reaching High515.31.1643
SA/DSPL Upwind30.61SA/DSPL Downwind30.61
Scoring OptionTODTOT
5-Band Windward/Leeward Low1186.20.5058
5-Band Windward/Leeward Low/Med878.50.6829
5-Band Windward/Leeward Medium754.20.7956
5-Band Windward/Leeward Med/High687.10.8732
5-Band Windward/Leeward High660.00.9090
Windward/Leeward 60-40 Low1167.50.5139
Windward/Leeward 60-40 Low/Med877.50.6837
Windward/Leeward 60-40 Medium765.50.7838
Windward/Leeward 60-40 Med/High708.50.8469
Windward/Leeward 60-40 High688.30.8718
5-Band AP Low877.40.6839
5-Band AP Low/Med701.30.8556
5-Band AP Medium622.70.9635
5-Band AP Med/High575.91.0418
5-Band AP High546.61.0978
5-Band SF Bay Tour - Low1016.30.5904
5-Band SF Bay Tour - Low/Med838.50.7156
5-Band SF Bay Tour - Medium730.80.8211
5-Band SF Bay Tour - Med/High673.70.8907
5-Band SF Bay Tour - High647.10.9273
Chicago-Mac Upwind0.8412
Chicago-Mac All Purpose0.8493
Chicago-Mac Downwind0.8485
Bayview-Mac Cove Island0.6323
Bayview-Mac Shore0.6399
Harvest Moon Regatta552.11.0867
Non Spin/HSFClub 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 L6.747LSM06.249Acc. length8.500Sink (kg/mm) 9.00
VCGD-0.050VCGM-0.024RM Rated (kg·m) 33.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight352Declared crew weight270
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
Non Spin/HSFClub 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
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.