Club Certificate2025
AlfaNOR 4596
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 Angles44.1°44.1°42.2°40.8°39.3°38.3°37.8°37.8°38.6°
Beat VMG2.152.973.634.114.474.674.764.824.78
52°3.364.565.446.026.366.546.636.726.74
60°3.584.815.686.216.516.706.816.926.95
75°3.704.965.846.366.656.877.047.247.34
90°3.795.146.106.606.887.037.147.497.71
110°3.785.166.156.677.017.327.587.948.23
120°3.614.975.986.576.957.307.628.278.78
135°3.184.425.446.276.727.087.438.189.28
150°2.563.714.755.676.366.767.107.778.60
Run VMG2.213.214.124.925.676.216.617.247.87
Gybe Angles146.7°146.7°151.6°153.1°161.9°169.3°177.2°178.1°177.9°
APH ToD:620.5CDL: 7.578APH ToT: 0.9670CertNo:5567
BOAT
ClassOMEGA 30DesignerRonHollandBuilderAge date01/1983Series date01/1983Offset fileS9209.BOFData file5567
HULL
Length Overall9.400 mMaximum Beam3.004 mDraft1.569 mDisplacement3,683 kgDLR6.4520IMS DivisionCruiser/RacerDynamic Allowance0.270%Age Allowance0.487%
PROPELLER
InstallationShaft non exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight527 kg(default)Minimum weight397 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.2828.87Headsail Luffed16.7316.73Headsail FlyingSymmetric59.1159.11Asymmetric
STORM SAIL AREAS (m²)
Trysail8.36Storm Jib5.63Heavy Weather Jib15.20
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.
ORC Ref  03440003KTHIssued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
AlfaNOR 4596
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 VMG1677.71211.8992.8875.8805.7771.6757.1746.7753.2
52°1071.3789.3661.5598.3566.4550.3542.6535.3534.1
60°1006.1747.7633.4579.8553.1537.6528.5520.2517.7
75°973.8725.2616.1566.3541.4524.4511.5497.1490.7
90°949.5700.0590.1545.3523.6512.2504.3480.7466.8
110°951.4697.7585.4539.9513.2491.8475.0453.4437.3
120°995.9725.0602.1547.6517.7493.3472.3435.5409.8
135°1132.5815.2661.7574.2535.6508.5484.2440.2388.1
150°1403.9971.0757.3635.1566.0532.4507.2463.2418.6
Run VMG1626.71121.2873.3731.5635.4580.1544.6497.0457.4
Selected Courses
Windward / Leeward1650.81166.5933.0803.7720.5675.8650.8621.8605.3
All purpose1239.6892.3729.0644.6595.9568.8551.6527.4510.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward759.90.7896
All purpose620.50.9670
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6817
Downwind "popa"0.8429
70% up, 30% down "Ilhabela"0.7231
30% up, 70% down "Ilhabela-inverso"0.7870
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Predominantly Upwind674.30.8898
Predominantly Downwind627.30.9564
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low810.60.7401
TriNum AP Med616.50.9732
TriNum AP High546.81.0973
TriNum W/L Low1097.10.5469
TriNum W/L Med754.80.7949
TriNum W/L Hig646.20.9285
Predom. Upwind702.70.8539
Predom. Reaching617.60.9715
Predom. Downwind655.70.9151
Predom. Up Low988.20.6071
Predom. Up L/M747.80.8023
Predom. Up Med650.50.9224
Predom. Up M/H601.80.9969
Predom. Up High582.71.0296
Predom. Dn Low973.70.6162
Predom. Dn L/M714.20.8401
Predom. Dn Med602.70.9955
Predom. Dn M/H537.41.1166
Predom. Dn High500.01.2000
Predom. Rc Low864.70.6939
Predom. Rc L/M656.80.9135
Predom. Rc Med575.01.0435
Predom. Rc M/H530.11.1319
Predom. Rc High502.61.1939
SA/DSPL Upwind18.80SA/DSPL Downwind36.48
Scoring OptionTODTOT
5B W/L Low1229.50.4880
5B W/L L/M890.40.6738
5B W/L Med738.90.8120
5B W/L M/H656.00.9147
5B W/L High624.00.9616
W/L 60-40 Low1238.30.4845
W/L 60-40 L/M903.60.6640
W/L 60-40 Med755.80.7939
W/L 60-40 M/H677.20.8861
W/L 60-40 High649.10.9243
5B AP Low894.40.6709
5B AP L/M703.60.8527
5B AP Med606.90.9886
5B AP M/H554.11.0828
5B AP High528.61.1350
5B SF Bay Low1058.40.5669
5B SF Bay L/M852.90.7035
5B SF Bay Med716.30.8376
5B SF Bay M/H642.90.9332
5B SF Bay High613.10.9787
Chicago-Mac Upwind0.8249
Chicago-Mac All Purpose0.8556
Chicago-Mac Downwind0.8807
BayMac Cove Island970.10.6185
BayMac Shore962.70.6232
Harvest Moon539.01.1132
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance675.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating675.80.8879
FinRating, kevyt tuuli1205.20.8297
FinRating, kova tuuli531.90.9401
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8879
Triple Number Coastal/Long Distance Low0.7401
Triple Number Coastal/Long Distance Medium0.9733
Triple Number Coastal/Long Distance High1.0973
Triple Number Windward/Leeward Low0.5716
Triple Number Windward/Leeward Medium0.7949
Triple Number Windward/Leeward High0.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
For information
General Purpose Handicap (GPH)699.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low810.7
Triple Number Coastal/Long Distance Medium616.5
Triple Number Coastal/Long Distance High546.8
Triple Number Windward/Leeward Low1049.7
Triple Number Windward/Leeward Medium754.8
Triple Number Windward/Leeward High646.2
Predominantly Upwind674.3
Predominantly Downwind627.3
Predominantly Reaching603.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7401
Triple Number Coastal/Long Distance Medium0.9733
Triple Number Coastal/Long Distance High1.0973
Triple Number Windward/Leeward Low0.5716
Triple Number Windward/Leeward Medium0.7949
Triple Number Windward/Leeward High0.9285
Coastal/Long Distance0.8879
Predominantly Upwind0.8898
Predominantly Downwind0.9564
For information
General Purpose Handicap (GPH)699.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9670
Distanseseilas Trippeltall svak vind0.7401
Distanseseilas Trippeltall mellomvind0.9733
Distanseseilas Trippeltall sterk vind1.0973
Pølsebane Trippeltall svak vind0.5716
Pølsebane Trippeltall mellomvind0.7949
Pølsebane Trippeltall sterk vind0.9285
Motvind Singeltall0.8898
Medvind Singeltall0.9564
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Coastal/Long Distance675.80.8879
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind674.30.8898
Predominantly Downwind627.30.9564
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore610.30.9832
Cape Doctor Coastal515.51.1639
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7401
Triple Number Coastal/Long Distance Medium0.9733
Triple Number Coastal/Long Distance High1.0973
Triple Number Windward/Leeward Low0.5716
Triple Number Windward/Leeward Medium0.7949
Triple Number Windward/Leeward High0.9285
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7401
Triple Number Coastal/Long Distance Medium0.9733
Triple Number Coastal/Long Distance High1.0973
Triple Number Windward/Leeward Low0.5716
Triple Number Windward/Leeward Medium0.7949
Triple Number Windward/Leeward High0.9285
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Predominantly Upwind674.30.8898
Predominantly Downwind627.30.9564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance675.80.8879
Triple Number Coastal/Long Distance Low810.70.7401
Triple Number Coastal/Long Distance Medium616.50.9733
Triple Number Coastal/Long Distance High546.81.0973
Triple Number Windward/Leeward Low1049.70.5716
Triple Number Windward/Leeward Medium754.80.7949
Triple Number Windward/Leeward High646.20.9285
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1750.91162.0875.6724.9634.9589.7557.8505.8488.2
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low810.60.7401
TriNum AP Med616.50.9732
TriNum AP High546.81.0973
TriNum W/L Low1097.10.5469
TriNum W/L Med754.80.7949
TriNum W/L Hig646.20.9285
Predom. Upwind702.70.8539
Predom. Reaching617.60.9715
Predom. Downwind655.70.9151
Predom. Up Low988.20.6071
Predom. Up L/M747.80.8023
Predom. Up Med650.50.9224
Predom. Up M/H601.80.9969
Predom. Up High582.71.0296
Predom. Dn Low973.70.6162
Predom. Dn L/M714.20.8401
Predom. Dn Med602.70.9955
Predom. Dn M/H537.41.1166
Predom. Dn High500.01.2000
Predom. Rc Low864.70.6939
Predom. Rc L/M656.80.9135
Predom. Rc Med575.01.0435
Predom. Rc M/H530.11.1319
Predom. Rc High502.61.1939
SA/DSPL Upwind18.80SA/DSPL Downwind36.48
Scoring OptionTODTOT
5B W/L Low1229.50.4880
5B W/L L/M890.40.6738
5B W/L Med738.90.8120
5B W/L M/H656.00.9147
5B W/L High624.00.9616
W/L 60-40 Low1238.30.4845
W/L 60-40 L/M903.60.6640
W/L 60-40 Med755.80.7939
W/L 60-40 M/H677.20.8861
W/L 60-40 High649.10.9243
5B AP Low894.40.6709
5B AP L/M703.60.8527
5B AP Med606.90.9886
5B AP M/H554.11.0828
5B AP High528.61.1350
5B SF Bay Low1058.40.5669
5B SF Bay L/M852.90.7035
5B SF Bay Med716.30.8376
5B SF Bay M/H642.90.9332
5B SF Bay High613.10.9787
Chicago-Mac Upwind0.8249
Chicago-Mac All Purpose0.8556
Chicago-Mac Downwind0.8807
BayMac Cove Island970.10.6185
BayMac Shore962.70.6232
Harvest Moon539.01.1132
ORC Ref  03440003KTHIssued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
AlfaNOR 4596
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassOMEGA 30MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.400Max. Beam3.004Draft1.569Displacement3,683Wetted area19.59IMS L8.287LSM08.295Acc. length9.400Sink (kg/mm) 14.40
VCGD0.020VCGM0.065RM Rated (kg·m) 70.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight527Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0005
PSDPHDPHL
PSAESL
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders0Rotating mastNo
P11.500IG10.550ISP10.550MDT10.110MDL10.160MDT20.100MDL20.120TL0.000MW0.160GO0.180
E4.150J3.500BAS1.430FSD0.000SFJ0.000SPL3.510WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.020Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440003KTHIssued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
AlfaNOR 4596
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment625-2021082011030.140.811.552.663.5028.2820/08/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment625-2021082011110.050.440.841.622.353.0410.58YesNo 16.7320/08/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment625-20210416175310.9310.9310.936.536.3359.1116/04/2021
CRUISER/RACER REQUIREMENTS*
Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity38 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03440003KTHIssued on 18/03/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org