Non Spin/HSFClub Certificate2025
BellonaSWE 59
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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°42.3°41.5°41.2°41.4°41.4°42.4°44.5°
Beat VMG2.733.624.174.424.544.584.624.624.42
52°4.265.556.286.576.716.776.846.906.81
60°4.555.876.576.846.997.067.147.227.20
75°4.776.116.827.147.337.467.577.757.83
90°4.686.066.847.277.567.808.008.338.58
110°4.085.476.457.107.557.958.328.839.48
120°3.595.036.196.937.437.908.369.4110.25
135°2.984.305.496.427.047.517.999.0911.04
150°2.433.574.665.646.457.037.498.459.73
Run VMG2.113.104.044.895.676.376.947.828.78
Gybe Angles141.5°141.5°146.7°152.4°160.0°172.7°179.0°179.5°178.4°
APH ToD:589.5CDL: 7.949APH ToT: 1.0179CertNo:
BOAT
ClassSK30DesignerK-E SjögrenBuilderErikssons båtvarvAge date01/1925Series date01/1925Offset fileSWE59.offData fileSWE59
HULL
Length Overall12.000 mMaximum Beam1.760 mDraft1.223 mDisplacement2,250 kgDLR4.0803IMS DivisionPerformanceDynamic Allowance0.110%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight240 kg(declared)Minimum weight130 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.2426.82Headsail Luffed20.0020.00Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.48Storm Jib4.71Heavy Weather Jib12.71
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.
ORC Ref  04140003W7IIssued on 29/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
BellonaSWE 59
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 VMG1318.9995.6862.3814.3793.3786.0778.4778.5813.9
52°844.4648.9573.5548.3536.8531.4526.3521.9528.6
60°790.6613.6548.0525.9515.4509.8504.6498.8499.9
75°754.9589.0528.2504.0491.2482.8475.6464.8459.9
90°769.9594.4526.0495.3476.3461.5449.9432.2419.6
110°882.5657.7557.9507.2477.0452.6432.5407.8379.6
120°1003.0715.4581.2519.2484.5455.9430.5382.4351.1
135°1208.7836.4655.4560.7511.3479.2450.6396.0326.1
150°1480.01007.1772.6638.1558.2512.0480.7426.1369.9
Run VMG1709.01162.8892.2735.5634.9565.2519.1460.5410.0
Selected Courses
Windward / Leeward1508.21079.2877.2774.9714.1675.6648.7619.5612.0
All purpose1108.6810.4674.6609.0572.0548.6530.8506.1491.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward741.90.8088
All purpose589.51.0179
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7231
Downwind "popa"0.8450
70% up, 30% down "Ilhabela"0.7558
30% up, 70% down "Ilhabela-inverso"0.8043
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Predominantly Upwind636.20.9430
Predominantly Downwind602.40.9960
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low742.50.8081
Triple Number AP Medium587.11.0220
Triple Number AP High526.01.1408
Triple Number Windward/Leeward Low1021.60.5873
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Single Number Predominant Upwind656.90.9133
Single Number Predominant Reaching575.81.0421
Single Number Predominant Downwind630.90.9510
Predominant Upwind - Low853.60.7029
Predominant Upwind - Low/Med681.20.8807
Predominant Upwind - Medium620.90.9663
Predominant Upwind - Med/High588.71.0193
Predominant Upwind - High574.41.0446
Predominant Downwind Low946.10.6342
Predominant Downwind Low/Med690.50.8689
Predominant Downwind Medium580.91.0328
Predominant Downwind Med/High510.11.1761
Predominant Downwind High466.91.2851
Predominant Reaching Low787.80.7616
Predominant Reaching Low/Med610.60.9826
Predominant Reaching Medium541.21.1086
Predominant Reaching Med/High497.31.2065
Predominant Reaching High468.71.2801
SA/DSPL Upwind26.86SA/DSPL Downwind26.86
Scoring OptionTODTOT
5-Band Windward/Leeward Low1137.40.5275
5-Band Windward/Leeward Low/Med846.80.7085
5-Band Windward/Leeward Medium725.90.8266
5-Band Windward/Leeward Med/High653.90.9176
5-Band Windward/Leeward High623.30.9627
Windward/Leeward 60-40 Low1118.60.5364
Windward/Leeward 60-40 Low/Med848.40.7072
Windward/Leeward 60-40 Medium740.70.8100
Windward/Leeward 60-40 Med/High679.30.8833
Windward/Leeward 60-40 High655.50.9153
5-Band AP Low822.50.7295
5-Band AP Low/Med656.30.9142
5-Band AP Medium579.31.0357
5-Band AP Med/High533.11.1255
5-Band AP High507.81.1816
5-Band SF Bay Tour - Low972.70.6168
5-Band SF Bay Tour - Low/Med805.00.7453
5-Band SF Bay Tour - Medium699.70.8575
5-Band SF Bay Tour - Med/High638.90.9391
5-Band SF Bay Tour - High611.00.9820
Chicago-Mac Upwind0.8895
Chicago-Mac All Purpose0.9069
Chicago-Mac Downwind0.9128
Bayview-Mac Cove Island0.6655
Bayview-Mac Shore0.6744
Harvest Moon Regatta497.91.2050
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance646.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating646.60.9279
FinRating, kevyt tuuli1114.50.8973
FinRating, kova tuuli508.20.9838
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9279
Triple Number Coastal/Long Distance Low0.8081
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1408
Triple Number Windward/Leeward Low0.6133
Triple Number Windward/Leeward Medium0.8126
Triple Number Windward/Leeward High0.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
For information
General Purpose Handicap (GPH)658.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low742.5
Triple Number Coastal/Long Distance Medium587.0
Triple Number Coastal/Long Distance High525.9
Triple Number Windward/Leeward Low978.3
Triple Number Windward/Leeward Medium738.4
Triple Number Windward/Leeward High644.5
Predominantly Upwind636.2
Predominantly Downwind602.4
Predominantly Reaching568.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8081
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1408
Triple Number Windward/Leeward Low0.6133
Triple Number Windward/Leeward Medium0.8126
Triple Number Windward/Leeward High0.9310
Coastal/Long Distance0.9279
Predominantly Upwind0.9430
Predominantly Downwind0.9960
For information
General Purpose Handicap (GPH)658.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0179
Distanseseilas Trippeltall svak vind0.8081
Distanseseilas Trippeltall mellomvind1.0221
Distanseseilas Trippeltall sterk vind1.1408
Pølsebane Trippeltall svak vind0.6133
Pølsebane Trippeltall mellomvind0.8126
Pølsebane Trippeltall sterk vind0.9310
Motvind Singeltall0.9430
Medvind Singeltall0.9960
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Coastal/Long Distance646.60.9279
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind636.20.9430
Predominantly Downwind602.40.9960
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore614.20.9768
Cape Doctor Coastal495.81.2102
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8081
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1408
Triple Number Windward/Leeward Low0.6133
Triple Number Windward/Leeward Medium0.8126
Triple Number Windward/Leeward High0.9310
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8081
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1408
Triple Number Windward/Leeward Low0.6133
Triple Number Windward/Leeward Medium0.8126
Triple Number Windward/Leeward High0.9310
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Predominantly Upwind636.20.9430
Predominantly Downwind602.40.9960
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.60.9279
Triple Number Coastal/Long Distance Low742.50.8081
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High525.91.1408
Triple Number Windward/Leeward Low978.30.6133
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1638.11087.6823.2692.7614.6570.6534.2473.2456.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low742.50.8081
Triple Number AP Medium587.11.0220
Triple Number AP High526.01.1408
Triple Number Windward/Leeward Low1021.60.5873
Triple Number Windward/Leeward Medium738.40.8126
Triple Number Windward/Leeward High644.50.9310
Single Number Predominant Upwind656.90.9133
Single Number Predominant Reaching575.81.0421
Single Number Predominant Downwind630.90.9510
Predominant Upwind - Low853.60.7029
Predominant Upwind - Low/Med681.20.8807
Predominant Upwind - Medium620.90.9663
Predominant Upwind - Med/High588.71.0193
Predominant Upwind - High574.41.0446
Predominant Downwind Low946.10.6342
Predominant Downwind Low/Med690.50.8689
Predominant Downwind Medium580.91.0328
Predominant Downwind Med/High510.11.1761
Predominant Downwind High466.91.2851
Predominant Reaching Low787.80.7616
Predominant Reaching Low/Med610.60.9826
Predominant Reaching Medium541.21.1086
Predominant Reaching Med/High497.31.2065
Predominant Reaching High468.71.2801
SA/DSPL Upwind26.86SA/DSPL Downwind26.86
Scoring OptionTODTOT
5-Band Windward/Leeward Low1137.40.5275
5-Band Windward/Leeward Low/Med846.80.7085
5-Band Windward/Leeward Medium725.90.8266
5-Band Windward/Leeward Med/High653.90.9176
5-Band Windward/Leeward High623.30.9627
Windward/Leeward 60-40 Low1118.60.5364
Windward/Leeward 60-40 Low/Med848.40.7072
Windward/Leeward 60-40 Medium740.70.8100
Windward/Leeward 60-40 Med/High679.30.8833
Windward/Leeward 60-40 High655.50.9153
5-Band AP Low822.50.7295
5-Band AP Low/Med656.30.9142
5-Band AP Medium579.31.0357
5-Band AP Med/High533.11.1255
5-Band AP High507.81.1816
5-Band SF Bay Tour - Low972.70.6168
5-Band SF Bay Tour - Low/Med805.00.7453
5-Band SF Bay Tour - Medium699.70.8575
5-Band SF Bay Tour - Med/High638.90.9391
5-Band SF Bay Tour - High611.00.9820
Chicago-Mac Upwind0.8895
Chicago-Mac All Purpose0.9069
Chicago-Mac Downwind0.9128
Bayview-Mac Cove Island0.6655
Bayview-Mac Shore0.6744
Harvest Moon Regatta497.91.2050
ORC Ref  04140003W7IIssued on 29/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
BellonaSWE 59
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSK30MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.000Max. Beam1.760Draft1.223Displacement2,250Wetted area14.28IMS L8.811LSM08.200Acc. length5.720Sink (kg/mm) 10.13
VCGD-0.358VCGM-0.381RM Rated (kg·m) 32.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight519Declared crew weight240
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstaysCheckstaysSpreaders1Rotating mastNo
P11.300IG9.700ISP9.720MDT10.080MDL10.120MDT2MDL2TLMWGO
E3.780J2.350BAS1.000FSDSFJ1.500SPL2.350WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date29/07/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140003W7IIssued on 29/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
BellonaSWE 59
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.901.572.5126.24
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment11.102.264.708.56NoNo 20.0020.701.232.288.56YesNo 10.20
ORC Ref  04140003W7IIssued on 29/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org