Club Certificate2025
SheebaNOR 3950
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 Angles43.9°43.9°41.9°40.8°40.1°40.1°39.7°40.0°41.1°
Beat VMG2.052.833.433.864.164.304.374.394.32
52°3.234.345.135.676.006.166.236.286.27
60°3.424.565.355.866.166.336.406.466.47
75°3.514.695.506.016.316.506.636.746.80
90°3.444.715.666.236.526.686.786.977.11
110°3.514.815.776.336.666.937.147.487.71
120°3.394.665.626.246.606.907.177.668.11
135°3.024.205.185.936.386.706.997.548.12
150°2.513.594.545.315.916.316.597.077.55
Run VMG2.173.113.944.605.135.555.906.486.92
Gybe Angles145.7°145.7°147.8°148.4°151.4°157.2°161.7°177.1°177.1°
APH ToD:662.3CDL: 6.826APH ToT: 0.9059CertNo:676176
BOAT
ClassHR 312DesignerEnderleinBuilderHallberg RassyAge date01/1982Series date01/1979Offset fileCLHR312.offData file676176
HULL
Length Overall9.420 mMaximum Beam3.090 mDraft1.600 mDisplacement5,018 kgDLR11.1468IMS DivisionCruiser/RacerDynamic Allowance0.680%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.380m
CREW
Maximum weight471 kg(default)Minimum weight341 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.5421.82Headsail Luffed30.6430.64Headsail FlyingSymmetricAsymmetric59.0760.11 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail6.62Storm Jib7.54Heavy Weather Jib20.36
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
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  03440003KU5Issued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
SheebaNOR 3950
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 VMG1752.01272.81049.3931.5865.5837.1824.0819.5832.5
52°1116.2830.4702.1634.8600.3584.0577.6573.6574.2
60°1052.1788.8673.2614.2584.5569.1562.1557.1556.0
75°1026.7768.3654.7598.5570.5553.8543.2534.0529.1
90°1046.9764.4635.9577.7551.9539.0531.1516.2506.2
110°1027.1749.1623.6568.7540.4519.8504.1481.3466.8
120°1062.4773.4640.5576.9545.1521.9502.2470.1443.7
135°1192.8856.4695.4607.5563.9537.2515.1477.4443.4
150°1434.31001.9792.2678.2608.8570.4546.2509.0477.1
Run VMG1655.91156.9914.8783.1702.2648.5610.0555.4520.5
Selected Courses
Windward / Leeward1702.91214.9982.0857.3783.8742.8717.0687.5676.5
All purpose1297.8939.0771.2684.5637.1610.6593.9573.6562.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward820.20.7315
All purpose662.30.9059
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6364
Downwind "popa"0.7820
70% up, 30% down "Ilhabela"0.6740
30% up, 70% down "Ilhabela-inverso"0.7318
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Predominantly Upwind719.00.8345
Predominantly Downwind670.30.8951
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low855.10.7016
TriNum AP Med657.50.9125
TriNum AP High590.41.0162
TriNum W/L Low1146.50.5233
TriNum W/L Med814.60.7366
TriNum W/L Hig712.30.8423
Predom. Upwind749.20.8008
Predom. Reaching657.60.9124
Predom. Downwind700.20.8570
Predom. Up Low1040.60.5766
Predom. Up L/M793.00.7567
Predom. Up Med694.50.8640
Predom. Up M/H648.20.9256
Predom. Up High633.40.9473
Predom. Dn Low1019.90.5883
Predom. Dn L/M756.00.7936
Predom. Dn Med646.00.9288
Predom. Dn M/H582.31.0304
Predom. Dn High547.91.0951
Predom. Rc Low918.40.6533
Predom. Rc L/M697.30.8605
Predom. Rc Med610.90.9821
Predom. Rc M/H566.61.0590
Predom. Rc High544.21.1025
SA/DSPL Upwind17.71SA/DSPL Downwind27.36
Scoring OptionTODTOT
5B W/L Low1278.90.4691
5B W/L L/M943.10.6362
5B W/L Med800.20.7498
5B W/L M/H722.00.8310
5B W/L High690.70.8687
W/L 60-40 Low1290.50.4649
W/L 60-40 L/M957.20.6268
W/L 60-40 Med816.90.7345
W/L 60-40 M/H743.40.8071
W/L 60-40 High717.10.8368
5B AP Low941.80.6371
5B AP L/M745.60.8048
5B AP Med648.10.9258
5B AP M/H596.91.0052
5B AP High575.21.0432
5B SF Bay Low1106.90.5420
5B SF Bay L/M902.90.6645
5B SF Bay Med771.40.7778
5B SF Bay M/H702.20.8544
5B SF Bay High675.30.8884
Chicago-Mac Upwind0.7751
Chicago-Mac All Purpose0.8034
Chicago-Mac Downwind0.8270
BayMac Cove Island1021.10.5876
BayMac Shore1014.70.5913
Harvest Moon574.41.0446
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance721.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating721.20.8319
FinRating, kevyt tuuli1254.90.7969
FinRating, kova tuuli579.30.8631
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8319
Triple Number Coastal/Long Distance Low0.7016
Triple Number Coastal/Long Distance Medium0.9126
Triple Number Coastal/Long Distance High1.0162
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7366
Triple Number Windward/Leeward High0.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
For information
General Purpose Handicap (GPH)744.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low855.2
Triple Number Coastal/Long Distance Medium657.5
Triple Number Coastal/Long Distance High590.4
Triple Number Windward/Leeward Low1098.5
Triple Number Windward/Leeward Medium814.6
Triple Number Windward/Leeward High712.3
Predominantly Upwind719.0
Predominantly Downwind670.3
Predominantly Reaching641.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7016
Triple Number Coastal/Long Distance Medium0.9126
Triple Number Coastal/Long Distance High1.0162
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7366
Triple Number Windward/Leeward High0.8423
Coastal/Long Distance0.8319
Predominantly Upwind0.8345
Predominantly Downwind0.8951
For information
General Purpose Handicap (GPH)744.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9059
Distanseseilas Trippeltall svak vind0.7016
Distanseseilas Trippeltall mellomvind0.9126
Distanseseilas Trippeltall sterk vind1.0162
Pølsebane Trippeltall svak vind0.5462
Pølsebane Trippeltall mellomvind0.7366
Pølsebane Trippeltall sterk vind0.8423
Motvind Singeltall0.8345
Medvind Singeltall0.8951
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Coastal/Long Distance721.20.8319
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind719.00.8345
Predominantly Downwind670.30.8951
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore679.80.8826
Cape Doctor Coastal565.81.0605
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7016
Triple Number Coastal/Long Distance Medium0.9126
Triple Number Coastal/Long Distance High1.0162
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7366
Triple Number Windward/Leeward High0.8423
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7016
Triple Number Coastal/Long Distance Medium0.9126
Triple Number Coastal/Long Distance High1.0162
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7366
Triple Number Windward/Leeward High0.8423
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Predominantly Upwind719.00.8345
Predominantly Downwind670.30.8951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance721.20.8319
Triple Number Coastal/Long Distance Low855.20.7016
Triple Number Coastal/Long Distance Medium657.50.9126
Triple Number Coastal/Long Distance High590.41.0162
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium814.60.7366
Triple Number Windward/Leeward High712.30.8423
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1797.51209.1922.7771.6680.9634.2600.3548.4534.2
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low855.10.7016
TriNum AP Med657.50.9125
TriNum AP High590.41.0162
TriNum W/L Low1146.50.5233
TriNum W/L Med814.60.7366
TriNum W/L Hig712.30.8423
Predom. Upwind749.20.8008
Predom. Reaching657.60.9124
Predom. Downwind700.20.8570
Predom. Up Low1040.60.5766
Predom. Up L/M793.00.7567
Predom. Up Med694.50.8640
Predom. Up M/H648.20.9256
Predom. Up High633.40.9473
Predom. Dn Low1019.90.5883
Predom. Dn L/M756.00.7936
Predom. Dn Med646.00.9288
Predom. Dn M/H582.31.0304
Predom. Dn High547.91.0951
Predom. Rc Low918.40.6533
Predom. Rc L/M697.30.8605
Predom. Rc Med610.90.9821
Predom. Rc M/H566.61.0590
Predom. Rc High544.21.1025
SA/DSPL Upwind17.71SA/DSPL Downwind27.36
Scoring OptionTODTOT
5B W/L Low1278.90.4691
5B W/L L/M943.10.6362
5B W/L Med800.20.7498
5B W/L M/H722.00.8310
5B W/L High690.70.8687
W/L 60-40 Low1290.50.4649
W/L 60-40 L/M957.20.6268
W/L 60-40 Med816.90.7345
W/L 60-40 M/H743.40.8071
W/L 60-40 High717.10.8368
5B AP Low941.80.6371
5B AP L/M745.60.8048
5B AP Med648.10.9258
5B AP M/H596.91.0052
5B AP High575.21.0432
5B SF Bay Low1106.90.5420
5B SF Bay L/M902.90.6645
5B SF Bay Med771.40.7778
5B SF Bay M/H702.20.8544
5B SF Bay High675.30.8884
Chicago-Mac Upwind0.7751
Chicago-Mac All Purpose0.8034
Chicago-Mac Downwind0.8270
BayMac Cove Island1021.10.5876
BayMac Shore1014.70.5913
Harvest Moon574.41.0446
ORC Ref  03440003KU5Issued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
SheebaNOR 3950
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHR 312MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.420Max. Beam3.090Draft1.600Displacement5,018Wetted area22.78IMS L7.699LSM07.663Acc. length9.245Sink (kg/mm) 14.02
VCGD-0.071VCGM-0.049RM Rated (kg·m) 70.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight471Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0034
EDL0.700ST10.050ST20.170
ST30.170ST40.100ST50.300
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P10.800IG12.280ISP12.380MDT10.130MDL10.160MDT20.000MDL20.000TLNo TaperMW0.000GO0.000
E3.500J4.030BAS1.380FSDFoilSFJ0.000SPL4.050WPLTPS4.500BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.071Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440003KU5Issued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
SheebaNOR 3950
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment372-2022090520160.130.691.242.122.8021.5405/09/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment372-2022090520180.040.581.162.493.905.5111.80NoNo 30.6402/09/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment372-20230521142412.2511.1511.706.046.1399%59.0721/05/2023Målt av måler 625
CRUISER/RACER REQUIREMENTS*
Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity34 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03440003KU5Issued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org