Club
Certificate
Non Spinnaker
2022

Boat

Alfa

NOR 4596

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.2°41.8°41.8°40.8°39.4°38.8°38.8°
Beat VMG2.893.503.974.384.614.694.72
52°4.465.315.966.346.526.606.62
60°4.735.606.196.496.686.796.85
75°4.915.826.356.636.847.027.25
90°4.855.766.366.686.937.197.58
110°4.475.426.186.596.877.157.77
120°4.225.165.976.466.767.027.65
135°3.694.665.456.126.536.807.37
150°3.184.144.935.646.236.587.10
Run VMG2.763.624.415.115.766.286.87
Gybe Angles152.3°159.2°179.0°179.0°179.9°179.9°179.9°

APH: 655.3

CDL: 7.439

GPH: 743.4

CertNo: 5567

BOAT
ClassOMEGA 30DesignerRon HollandBuilderAge date01/1983Series date01/1983Offset fileS9209.BOFData file5567
HULL
Length Overall9.400 mMaximum Beam3.004 mDraft1.569 mDisplacement3,683 kgDLR6.4235IMS DivisionCruiser/RacerDynamic Allowance0.306%Age Allowance0.487%
PROPELLER
InstallationShaft non exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight528 kgMinimum weight396 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.2828.87Headsail Luffed16.7316.73Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail8.36Storm Jib5.63Heavy Weather Jib15.20
SAIL LIMITS
Headsails5  Spinnakers0 * Spinnaker pole aboard
STABILITY
Righting Moment70.1 kg·mStability 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  0344000211FIssued on 03/05/2022Valid until 31/03/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2022

Boat

Alfa

NOR 4596

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1246.91027.8905.7821.8781.3768.4762.4
52°807.1677.7604.3568.2551.8545.3544.0
60°761.1642.3581.8554.3538.9530.3525.2
75°732.5618.7566.8543.1526.4512.5496.8
90°742.7625.2566.2539.2519.4500.9475.1
110°804.7664.1582.3546.5524.4503.7463.2
120°854.0697.3603.3557.1532.8512.5470.8
135°974.8772.8660.8587.8551.3529.2488.4
150°1130.4869.9729.6638.1578.3547.1506.7
Run VMG1303.0993.5815.6704.6625.0573.3523.9
Selected Courses
Windward / Leeward1274.91010.7860.7763.2703.2670.8643.2
All purpose973.5788.7686.9626.2590.7570.4546.0
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward805.80.7446
All purpose655.30.9157
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.6652
Downwind "popa"0.7583
70% up, 30% down "Ilhabela"0.6906
30% up, 70% down "Ilhabela-inverso"0.7277
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Predominantly Upwind700.60.8565
Predominantly Downwind680.10.8822
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low881.10.6810
Triple Number All Purpose Medium651.10.9215
Triple Number All Purpose High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Predominantly Upwind700.60.8565
Predominantly Downwind680.10.8822
Predominantly Upwind Low965.80.6213
Predominantly Upwind Medium714.50.8397
Predominantly Upwind High646.30.9283
Predominantly Downwind Low988.80.6068
Predominantly Downwind Medium677.80.8852
Predominantly Downwind High547.51.0958
Chicago-Mac Upwind0.8377
Chicago-Mac All Purpose0.8492
Chicago-Mac Downwind0.8639
Bayview-Mac Cove Island0.7830
Bayview-Mac Shore0.7964
Victoria-Maui0.9262
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance716.1
Triple Number Coastal/Long Distance Low881.1
Triple Number Coastal/Long Distance Medium651.1
Triple Number Coastal/Long Distance High566.3
Triple Number Windward/Leeward Low1142.9
Triple Number Windward/Leeward Medium801.3
Triple Number Windward/Leeward High668.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.6810
Triple Number Coastal/Long Distance Medium0.9215
Triple Number Coastal/Long Distance High1.0595
Triple Number Windward/Leeward Low0.5250
Triple Number Windward/Leeward Medium0.7488
Triple Number Windward/Leeward High0.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low881.1
Triple Number Coastal/Long Distance Medium651.1
Triple Number Coastal/Long Distance High566.3
Triple Number Windward/Leeward Low1142.9
Triple Number Windward/Leeward Medium801.3
Triple Number Windward/Leeward High668.5
Predominantly Upwind700.6
Predominantly Downwind680.1
Predominantly Reaching645.0
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.6810
Triple Number Coastal/Long Distance Medium0.9215
Triple Number Coastal/Long Distance High1.0595
Triple Number Windward/Leeward Low0.5250
Triple Number Windward/Leeward Medium0.7488
Triple Number Windward/Leeward High0.8975
Coastal/Long Distance0.8379
Predominantly Upwind0.8565
Predominantly Downwind0.8822
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.8379
Tretall Distanseseilas Lite vind0.6810
Tretall Distanseseilas Mellomvind0.9215
Tretall Distanseseilas Mye vind1.0595
Tretall Pølsebane Lite vind0.5250
Tretall Pølsebane Mellomvind0.7488
Tretall Pølsebane Mye vind0.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Coastal/Long Distance716.10.8379
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind700.60.8565
Predominantly Downwind680.10.8822
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore651.50.9210
Cape Doctor Coastal553.31.0844
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.6810
Triple Number Coastal/Long Distance Medium0.9215
Triple Number Coastal/Long Distance High1.0595
Triple Number Windward/Leeward Low0.5250
Triple Number Windward/Leeward Medium0.7488
Triple Number Windward/Leeward High0.8975
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.6810
Triple Number Coastal/Long Distance Medium0.9215
Triple Number Coastal/Long Distance High1.0595
Triple Number Windward/Leeward Low0.5250
Triple Number Windward/Leeward Medium0.7488
Triple Number Windward/Leeward High0.8975
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Predominantly Upwind700.60.8565
Predominantly Downwind680.10.8822
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance716.10.8379
Triple Number Coastal/Long Distance Low881.10.6810
Triple Number Coastal/Long Distance Medium651.10.9215
Triple Number Coastal/Long Distance High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1277.8950.3775.2668.6612.7576.8523.3
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low881.10.6810
Triple Number All Purpose Medium651.10.9215
Triple Number All Purpose High566.31.0595
Triple Number Windward/Leeward Low1142.90.5250
Triple Number Windward/Leeward Medium801.30.7488
Triple Number Windward/Leeward High668.50.8975
Predominantly Upwind700.60.8565
Predominantly Downwind680.10.8822
Predominantly Upwind Low965.80.6213
Predominantly Upwind Medium714.50.8397
Predominantly Upwind High646.30.9283
Predominantly Downwind Low988.80.6068
Predominantly Downwind Medium677.80.8852
Predominantly Downwind High547.51.0958
Chicago-Mac Upwind0.8377
Chicago-Mac All Purpose0.8492
Chicago-Mac Downwind0.8639
Bayview-Mac Cove Island0.7830
Bayview-Mac Shore0.7964
Harvest Moon Regatta574.01.0452
Victoria-Maui0.9262
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low1254.60.4782
5-Band Low / Medium1033.90.5803
5-Band Medium782.30.7669
5-Band Medium / High679.40.8832
5-Band High648.00.9260
ORC Ref  0344000211FIssued on 03/05/2022Valid until 31/03/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2022

Boat

Alfa

NOR 4596

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassOMEGA 30MeasurementHINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.400Max. Beam3.004Draft1.569Displacement3,683Wetted area19.59IMS L8.276LSM08.307Acc. length9.400Sink (kg/mm) 14.40
VCGD0.020VCGM0.065RM Measured (kg·m) 70.1RM Default (kg·m) 68.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0005
PSDPHDPHL
PSAESL
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders0
P11.500IG10.550ISP10.550MDT10.110MDL10.160MDT20.100MDL20.120TL0.000MW0.160GO0.180
E4.150J3.500BAS1.430FSD0.000SFJ0.000SPL3.510WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyFlotation Date01/01/2015MeasurerComment
SFFP0.826FFMFF1.020LCFcl5.527SG0.0000
SAFP8.820FAMFA0.870LCFsh5.728HBI0.917
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  0344000211FIssued on 03/05/2022Valid until 31/03/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2022

Boat

Alfa

NOR 4596

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment625-2021082011030.140.811.552.663.5028.2820/08/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment625-2021082011110.050.440.841.622.353.0410.58NoNo 16.7320/08/2021
ORC Ref  0344000211FIssued on 03/05/2022Valid until 31/03/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org