Club
Certificate
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°4.465.315.966.346.536.606.62
60°4.735.606.196.496.686.796.86
75°4.915.826.356.636.847.027.25
90°5.136.126.626.897.037.167.58
110°5.146.186.677.027.387.708.06
120°4.976.026.596.947.327.718.40
135°4.465.446.306.717.047.438.25
150°3.734.735.646.366.737.047.78
Run VMG3.234.114.895.646.216.617.24
Gybe Angles146.0°152.0°151.1°159.5°174.8°179.0°179.0°

APH: 625.6

CDL: 7.439

GPH: 705.6

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 Allowance0.266%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 FlyingSymmetric59.1159.11Asymmetric
STORM SAIL AREAS (m²)
Trysail8.36Storm Jib5.63Heavy Weather Jib15.20
SAIL LIMITS
Headsails5  Spinnakers4
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.

Club
Certificate
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 VMG1247.11028.1906.0822.0781.2768.2762.3
52°807.3677.9604.4568.2551.7545.2544.0
60°761.2642.5581.9554.4538.9530.3525.1
75°732.7618.9566.8543.1526.4512.5496.8
90°702.2587.8543.8522.6512.0503.0475.2
110°700.1582.7539.4512.9487.9467.7446.8
120°724.3598.1546.2518.6492.0466.8428.6
135°807.2661.7571.8536.7511.1484.7436.4
150°964.8760.4638.4566.4535.2511.1462.8
Run VMG1114.0876.7736.7638.8579.4544.3497.5
Selected Courses
Windward / Leeward1180.6952.4821.4730.4680.3656.3629.9
All purpose901.2738.7652.2600.3571.2553.9530.0
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward770.80.7784
All purpose625.60.9591
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.6651
Downwind "popa"0.8421
70% up, 30% down "Ilhabela"0.7099
30% up, 70% down "Ilhabela-inverso"0.7798
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Predominantly Upwind683.30.8781
Predominantly Downwind630.80.9512
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low819.90.7318
Triple Number All Purpose Medium621.80.9649
Triple Number All Purpose High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Predominantly Upwind683.30.8781
Predominantly Downwind630.80.9512
Predominantly Upwind Low932.80.6432
Predominantly Upwind Medium708.80.8465
Predominantly Upwind High643.80.9320
Predominantly Downwind Low881.80.6805
Predominantly Downwind Medium619.40.9687
Predominantly Downwind High517.21.1602
Chicago-Mac Upwind0.8591
Chicago-Mac All Purpose0.8928
Chicago-Mac Downwind0.9345
Bayview-Mac Cove Island0.8235
Bayview-Mac Shore0.8274
Victoria-Maui1.0044
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance683.0
Triple Number Coastal/Long Distance Low819.9
Triple Number Coastal/Long Distance Medium621.8
Triple Number Coastal/Long Distance High549.2
Triple Number Windward/Leeward Low1066.5
Triple Number Windward/Leeward Medium766.7
Triple Number Windward/Leeward High652.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7318
Triple Number Coastal/Long Distance Medium0.9649
Triple Number Coastal/Long Distance High1.0924
Triple Number Windward/Leeward Low0.5626
Triple Number Windward/Leeward Medium0.7826
Triple Number Windward/Leeward High0.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low819.9
Triple Number Coastal/Long Distance Medium621.8
Triple Number Coastal/Long Distance High549.2
Triple Number Windward/Leeward Low1066.5
Triple Number Windward/Leeward Medium766.7
Triple Number Windward/Leeward High652.4
Predominantly Upwind683.3
Predominantly Downwind630.8
Predominantly Reaching605.8
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7318
Triple Number Coastal/Long Distance Medium0.9649
Triple Number Coastal/Long Distance High1.0924
Triple Number Windward/Leeward Low0.5626
Triple Number Windward/Leeward Medium0.7826
Triple Number Windward/Leeward High0.9197
Coastal/Long Distance0.8785
Predominantly Upwind0.8781
Predominantly Downwind0.9512
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.8785
Tretall Distanseseilas Lite vind0.7318
Tretall Distanseseilas Mellomvind0.9649
Tretall Distanseseilas Mye vind1.0924
Tretall Pølsebane Lite vind0.5626
Tretall Pølsebane Mellomvind0.7826
Tretall Pølsebane Mye vind0.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Coastal/Long Distance683.00.8785
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind683.30.8781
Predominantly Downwind630.80.9512
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore637.80.9407
Cape Doctor Coastal537.21.1170
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7318
Triple Number Coastal/Long Distance Medium0.9649
Triple Number Coastal/Long Distance High1.0924
Triple Number Windward/Leeward Low0.5626
Triple Number Windward/Leeward Medium0.7826
Triple Number Windward/Leeward High0.9197
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7318
Triple Number Coastal/Long Distance Medium0.9649
Triple Number Coastal/Long Distance High1.0924
Triple Number Windward/Leeward Low0.5626
Triple Number Windward/Leeward Medium0.7826
Triple Number Windward/Leeward High0.9197
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Predominantly Upwind683.30.8781
Predominantly Downwind630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance683.00.8785
Triple Number Coastal/Long Distance Low819.90.7318
Triple Number Coastal/Long Distance Medium621.80.9649
Triple Number Coastal/Long Distance High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1173.9891.3737.1640.6592.4559.6505.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low819.90.7318
Triple Number All Purpose Medium621.80.9649
Triple Number All Purpose High549.21.0924
Triple Number Windward/Leeward Low1066.50.5626
Triple Number Windward/Leeward Medium766.70.7826
Triple Number Windward/Leeward High652.40.9197
Predominantly Upwind683.30.8781
Predominantly Downwind630.80.9512
Predominantly Upwind Low932.80.6432
Predominantly Upwind Medium708.80.8465
Predominantly Upwind High643.80.9320
Predominantly Downwind Low881.80.6805
Predominantly Downwind Medium619.40.9687
Predominantly Downwind High517.21.1602
Chicago-Mac Upwind0.8591
Chicago-Mac All Purpose0.8928
Chicago-Mac Downwind0.9345
Bayview-Mac Cove Island0.8235
Bayview-Mac Shore0.8274
Harvest Moon Regatta547.21.0965
Victoria-Maui1.0044
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low1163.00.5159
5-Band Low / Medium971.50.6176
5-Band Medium749.60.8004
5-Band Medium / High662.00.9063
5-Band High634.50.9457

Club
Certificate
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 L8.277LSM08.307Acc. 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

Club
Certificate
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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialComment625-20210416175310.9310.9310.936.536.3359.1116/04/2021