Club Certificate2025
SuvihuviFin 7508
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 Angles43.0°43.0°40.8°39.9°38.9°38.5°38.1°38.0°39.1°
Beat VMG2.743.724.414.774.955.055.115.165.08
52°4.285.646.486.877.037.127.187.247.24
60°4.555.916.697.057.227.317.377.457.47
75°4.746.106.847.207.417.557.657.807.88
90°4.605.996.817.237.507.717.888.128.30
110°4.185.696.757.297.627.908.098.418.63
120°4.025.516.617.237.617.968.278.799.21
135°3.504.916.086.917.407.798.179.0010.34
150°2.814.065.216.226.987.427.808.599.63
Run VMG2.433.524.515.396.176.767.217.928.65
Gybe Angles138.1°138.1°149.6°151.0°158.5°166.6°174.5°177.4°175.4°
APH ToD:558.6CDL: 9.061APH ToT: 1.0741CertNo:
BOAT
ClassSirena 38DesignerHåkan SödergrenBuilderAge dateSeries date05/1988Offset fileL5530.BOFData fileFIN7508
HULL
Length Overall11.620 mMaximum Beam3.134 mDraft1.776 mDisplacement5,425 kgDLR6.3637IMS DivisionCruiser/RacerDynamic Allowance0.030%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.3339.07Headsail Luffed40.2140.21Headsail FlyingSymmetric84.5984.59Asymmetric
STORM SAIL AREAS (m²)
Trysail11.27Storm Jib8.07Heavy Weather Jib21.78
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.
Club Certificate2025
SuvihuviFin 7508
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 VMG1315.9968.7815.9755.3727.4713.4704.6697.5708.3
52°841.7638.6555.5524.4512.0505.6501.6497.0497.0
60°791.1608.8537.9510.8498.8492.7488.5483.1481.8
75°760.1590.5526.7500.2485.7476.5470.7461.7457.0
90°782.9601.0528.8498.1480.2467.1456.8443.2433.6
110°860.5632.9533.0494.0472.3455.8444.8428.1417.1
120°895.9653.3544.3498.3472.8452.5435.1409.4390.8
135°1027.9733.1592.6520.7486.4462.1440.5400.2348.3
150°1280.0886.3691.6579.2516.0484.9461.4419.3374.0
Run VMG1480.11023.4798.6668.4583.3532.8499.5454.4416.0
Selected Courses
Windward / Leeward1396.2996.1807.3711.9655.3623.1602.1575.9562.2
All purpose1044.0762.5634.5574.5541.5522.1508.4488.6474.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward683.10.8783
All purpose558.61.0741
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7803
Downwind "popa"0.9210
70% up, 30% down "Ilhabela"0.8177
30% up, 70% down "Ilhabela-inverso"0.8737
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Predominantly Upwind600.40.9993
Predominantly Downwind566.41.0593
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low698.50.8590
Triple Number AP Medium555.41.0802
Triple Number AP High504.41.1895
Triple Number Windward/Leeward Low941.80.6371
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Single Number Predominant Upwind621.60.9653
Single Number Predominant Reaching553.21.0845
Single Number Predominant Downwind591.31.0147
Predominant Upwind - Low818.50.7330
Predominant Upwind - Low/Med645.90.9290
Predominant Upwind - Medium585.31.0252
Predominant Upwind - Med/High554.61.0818
Predominant Upwind - High540.31.1106
Predominant Downwind Low857.60.6996
Predominant Downwind Low/Med638.90.9391
Predominant Downwind Medium547.61.0957
Predominant Downwind Med/High492.01.2195
Predominant Downwind High458.51.3085
Predominant Reaching Low743.10.8074
Predominant Reaching Low/Med582.11.0308
Predominant Reaching Medium521.21.1511
Predominant Reaching Med/High485.01.2371
Predominant Reaching High462.31.2980
SA/DSPL Upwind25.30SA/DSPL Downwind39.59
Scoring OptionTODTOT
5-Band Windward/Leeward Low1049.30.5718
5-Band Windward/Leeward Low/Med779.00.7702
5-Band Windward/Leeward Medium667.60.8987
5-Band Windward/Leeward Med/High605.70.9906
5-Band Windward/Leeward High578.11.0379
Windward/Leeward 60-40 Low1042.90.5753
Windward/Leeward 60-40 Low/Med784.00.7653
Windward/Leeward 60-40 Medium681.10.8809
Windward/Leeward 60-40 Med/High625.90.9586
Windward/Leeward 60-40 High602.60.9957
5-Band AP Low770.90.7783
5-Band AP Low/Med618.50.9702
5-Band AP Medium548.71.0935
5-Band AP Med/High510.21.1761
5-Band AP High489.51.2257
5-Band SF Bay Tour - Low901.20.6658
5-Band SF Bay Tour - Low/Med743.60.8069
5-Band SF Bay Tour - Medium646.10.9287
5-Band SF Bay Tour - Med/High593.21.0115
5-Band SF Bay Tour - High567.91.0565
Chicago-Mac Upwind0.9402
Chicago-Mac All Purpose0.9628
Chicago-Mac Downwind0.9788
Bayview-Mac Cove Island0.7162
Bayview-Mac Shore0.7231
Harvest Moon Regatta488.81.2274
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance607.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating607.00.9885
FinRating, kevyt tuuli1030.30.9705
FinRating, kova tuuli492.71.0148
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9885
Triple Number Coastal/Long Distance Low0.8590
Triple Number Coastal/Long Distance Medium1.0803
Triple Number Coastal/Long Distance High1.1895
Triple Number Windward/Leeward Low0.6654
Triple Number Windward/Leeward Medium0.8839
Triple Number Windward/Leeward High1.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
For information
General Purpose Handicap (GPH)622.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low698.5
Triple Number Coastal/Long Distance Medium555.4
Triple Number Coastal/Long Distance High504.4
Triple Number Windward/Leeward Low901.7
Triple Number Windward/Leeward Medium678.8
Triple Number Windward/Leeward High597.5
Predominantly Upwind600.4
Predominantly Downwind566.4
Predominantly Reaching543.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8590
Triple Number Coastal/Long Distance Medium1.0803
Triple Number Coastal/Long Distance High1.1895
Triple Number Windward/Leeward Low0.6654
Triple Number Windward/Leeward Medium0.8839
Triple Number Windward/Leeward High1.0042
Coastal/Long Distance0.9885
Predominantly Upwind0.9993
Predominantly Downwind1.0593
For information
General Purpose Handicap (GPH)622.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0741
Distanseseilas Trippeltall svak vind0.8590
Distanseseilas Trippeltall mellomvind1.0803
Distanseseilas Trippeltall sterk vind1.1895
Pølsebane Trippeltall svak vind0.6654
Pølsebane Trippeltall mellomvind0.8839
Pølsebane Trippeltall sterk vind1.0042
Motvind Singeltall0.9993
Medvind Singeltall1.0593
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Coastal/Long Distance607.00.9885
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind600.40.9993
Predominantly Downwind566.41.0593
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore566.31.0595
Cape Doctor Coastal478.51.2538
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8590
Triple Number Coastal/Long Distance Medium1.0803
Triple Number Coastal/Long Distance High1.1895
Triple Number Windward/Leeward Low0.6654
Triple Number Windward/Leeward Medium0.8839
Triple Number Windward/Leeward High1.0042
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8590
Triple Number Coastal/Long Distance Medium1.0803
Triple Number Coastal/Long Distance High1.1895
Triple Number Windward/Leeward Low0.6654
Triple Number Windward/Leeward Medium0.8839
Triple Number Windward/Leeward High1.0042
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Predominantly Upwind600.40.9993
Predominantly Downwind566.41.0593
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.00.9885
Triple Number Coastal/Long Distance Low698.50.8590
Triple Number Coastal/Long Distance Medium555.41.0803
Triple Number Coastal/Long Distance High504.41.1895
Triple Number Windward/Leeward Low901.70.6654
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.9998.8760.9644.4576.9541.5513.3468.9454.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low698.50.8590
Triple Number AP Medium555.41.0802
Triple Number AP High504.41.1895
Triple Number Windward/Leeward Low941.80.6371
Triple Number Windward/Leeward Medium678.80.8839
Triple Number Windward/Leeward High597.51.0042
Single Number Predominant Upwind621.60.9653
Single Number Predominant Reaching553.21.0845
Single Number Predominant Downwind591.31.0147
Predominant Upwind - Low818.50.7330
Predominant Upwind - Low/Med645.90.9290
Predominant Upwind - Medium585.31.0252
Predominant Upwind - Med/High554.61.0818
Predominant Upwind - High540.31.1106
Predominant Downwind Low857.60.6996
Predominant Downwind Low/Med638.90.9391
Predominant Downwind Medium547.61.0957
Predominant Downwind Med/High492.01.2195
Predominant Downwind High458.51.3085
Predominant Reaching Low743.10.8074
Predominant Reaching Low/Med582.11.0308
Predominant Reaching Medium521.21.1511
Predominant Reaching Med/High485.01.2371
Predominant Reaching High462.31.2980
SA/DSPL Upwind25.30SA/DSPL Downwind39.59
Scoring OptionTODTOT
5-Band Windward/Leeward Low1049.30.5718
5-Band Windward/Leeward Low/Med779.00.7702
5-Band Windward/Leeward Medium667.60.8987
5-Band Windward/Leeward Med/High605.70.9906
5-Band Windward/Leeward High578.11.0379
Windward/Leeward 60-40 Low1042.90.5753
Windward/Leeward 60-40 Low/Med784.00.7653
Windward/Leeward 60-40 Medium681.10.8809
Windward/Leeward 60-40 Med/High625.90.9586
Windward/Leeward 60-40 High602.60.9957
5-Band AP Low770.90.7783
5-Band AP Low/Med618.50.9702
5-Band AP Medium548.71.0935
5-Band AP Med/High510.21.1761
5-Band AP High489.51.2257
5-Band SF Bay Tour - Low901.20.6658
5-Band SF Bay Tour - Low/Med743.60.8069
5-Band SF Bay Tour - Medium646.10.9287
5-Band SF Bay Tour - Med/High593.21.0115
5-Band SF Bay Tour - High567.91.0565
Chicago-Mac Upwind0.9402
Chicago-Mac All Purpose0.9628
Chicago-Mac Downwind0.9788
Bayview-Mac Cove Island0.7162
Bayview-Mac Shore0.7231
Harvest Moon Regatta488.81.2274
Club Certificate2025
SuvihuviFin 7508
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSirena 38MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.620Max. Beam3.134Draft1.776Displacement5,425Wetted area23.64IMS L9.693LSM09.481Acc. length10.185Sink (kg/mm) 17.24
VCGD-0.175VCGM-0.133RM Rated (kg·m) 96.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight638Declared crew weight450
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.408PBW0.105PIPA0.0037
EDL1.300ST10.080ST20.150
ST30.150ST40.100ST50.280
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P13.700IG12.700ISP12.750MDT10.110MDL10.160MDT20.090MDL20.115TL2.000MWGO
E4.700J4.160BAS1.400FSDFoilSFJSPL4.060WPLTPS0.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/04/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
SuvihuviFin 7508
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment30.160.981.763.053.9438.33Yellow10.150.871.562.793.7636.11white
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment16.2312.68NoNo 40.2130/08/2020Grey & yellow
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment112.8012.8012.808.007.6584.5930/08/2020All white
CRUISER/RACER REQUIREMENTS*
Accommodation length10.2 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity84 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity54 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.