Non Spin/HSFClub 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°38.4°38.1°38.0°39.1°
Beat VMG2.743.724.414.774.955.045.115.165.08
52°4.285.646.486.867.037.117.177.237.23
60°4.565.926.697.047.217.307.367.447.46
75°4.746.106.847.197.417.557.647.787.86
90°4.616.006.817.237.497.707.878.118.29
110°3.985.376.377.037.427.738.018.518.82
120°3.574.986.106.877.327.657.978.599.27
135°3.044.345.476.386.997.387.718.379.14
150°2.473.634.725.656.447.007.378.028.70
Run VMG2.153.154.084.925.676.366.907.608.23
Gybe Angles143.3°143.3°148.9°154.6°161.3°172.7°178.6°179.7°179.5°
APH ToD:575.1CDL: 9.065APH ToT: 1.0433CertNo:
BOAT
ClassSirena 38DesignerHåkan SödergrenBuilderAge dateSeries date05/1988Offset fileL5530.BOFData fileFIN7508
HULL
Length Overall11.620 mMaximum Beam3.134 mDraft1.775 mDisplacement5,425 kgDLR6.1740IMS DivisionCruiser/RacerDynamic Allowance0.110%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail11.27Storm Jib8.07Heavy Weather Jib21.78
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.
Non Spin/HSFClub 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 VMG1314.5967.9815.5755.3727.5713.6704.9697.9708.9
52°841.0638.2555.4524.5512.4506.2502.2497.6497.7
60°790.2608.4537.8511.0499.3493.3489.1483.7482.5
75°759.0590.0526.6500.4486.0477.1471.4462.5457.9
90°781.4600.3528.7498.2480.4467.4457.2443.9434.5
110°905.0670.7565.1512.0485.3466.0449.4423.1408.2
120°1007.1723.3589.9523.9492.0470.4451.7419.3388.2
135°1185.3830.4657.9564.5515.1487.6466.6429.9394.0
150°1454.9991.2763.4636.7559.1514.5488.2449.0413.9
Run VMG1678.21144.6881.5732.2634.8566.3521.6473.4437.6
Selected Courses
Windward / Leeward1493.41056.2848.5743.7681.1640.0613.3585.6573.3
All purpose1104.1801.4661.7593.9556.3533.1517.5496.8484.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward709.40.8458
All purpose575.11.0433
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7803
Downwind "popa"0.8477
70% up, 30% down "Ilhabela"0.7994
30% up, 70% down "Ilhabela-inverso"0.8263
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Predominantly Upwind609.80.9839
Predominantly Downwind597.21.0047
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low731.50.8202
Triple Number AP Medium571.91.0492
Triple Number AP High513.61.1681
Triple Number Windward/Leeward Low996.30.6022
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Single Number Predominant Upwind631.60.9500
Single Number Predominant Reaching571.21.0504
Single Number Predominant Downwind626.50.9577
Predominant Upwind - Low839.90.7143
Predominant Upwind - Low/Med658.20.9115
Predominant Upwind - Medium593.21.0115
Predominant Upwind - Med/High560.01.0714
Predominant Upwind - High545.81.0993
Predominant Downwind Low934.70.6419
Predominant Downwind Low/Med683.00.8785
Predominant Downwind Medium575.31.0429
Predominant Downwind Med/High509.61.1774
Predominant Downwind High476.01.2605
Predominant Reaching Low782.40.7669
Predominant Reaching Low/Med604.20.9931
Predominant Reaching Medium534.81.1219
Predominant Reaching Med/High494.91.2124
Predominant Reaching High473.21.2680
SA/DSPL Upwind25.30SA/DSPL Downwind25.30
Scoring OptionTODTOT
5-Band Windward/Leeward Low1114.30.5384
5-Band Windward/Leeward Low/Med817.50.7340
5-Band Windward/Leeward Medium692.90.8659
5-Band Windward/Leeward Med/High618.80.9696
5-Band Windward/Leeward High588.31.0199
Windward/Leeward 60-40 Low1094.80.5481
Windward/Leeward 60-40 Low/Med814.70.7365
Windward/Leeward 60-40 Medium701.40.8555
Windward/Leeward 60-40 Med/High636.50.9427
Windward/Leeward 60-40 High610.80.9823
5-Band AP Low816.70.7347
5-Band AP Low/Med642.80.9334
5-Band AP Medium564.21.0635
5-Band AP Med/High519.91.1541
5-Band AP High498.21.2043
5-Band SF Bay Tour - Low950.70.6311
5-Band SF Bay Tour - Low/Med777.20.7720
5-Band SF Bay Tour - Medium667.80.8985
5-Band SF Bay Tour - Med/High605.90.9902
5-Band SF Bay Tour - High579.31.0357
Chicago-Mac Upwind0.9244
Chicago-Mac All Purpose0.9278
Chicago-Mac Downwind0.9210
Bayview-Mac Cove Island0.6794
Bayview-Mac Shore0.6880
Harvest Moon Regatta502.21.1947
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance627.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating627.80.9558
FinRating, kevyt tuuli1096.10.9123
FinRating, kova tuuli501.40.9971
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9558
Triple Number Coastal/Long Distance Low0.8202
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1681
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8503
Triple Number Windward/Leeward High0.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
For information
General Purpose Handicap (GPH)643.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low731.5
Triple Number Coastal/Long Distance Medium571.8
Triple Number Coastal/Long Distance High513.7
Triple Number Windward/Leeward Low952.4
Triple Number Windward/Leeward Medium705.6
Triple Number Windward/Leeward High609.6
Predominantly Upwind609.8
Predominantly Downwind597.2
Predominantly Reaching564.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8202
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1681
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8503
Triple Number Windward/Leeward High0.9843
Coastal/Long Distance0.9558
Predominantly Upwind0.9839
Predominantly Downwind1.0047
For information
General Purpose Handicap (GPH)643.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0433
Distanseseilas Trippeltall svak vind0.8202
Distanseseilas Trippeltall mellomvind1.0493
Distanseseilas Trippeltall sterk vind1.1681
Pølsebane Trippeltall svak vind0.6300
Pølsebane Trippeltall mellomvind0.8503
Pølsebane Trippeltall sterk vind0.9843
Motvind Singeltall0.9839
Medvind Singeltall1.0047
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Coastal/Long Distance627.80.9558
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind609.80.9839
Predominantly Downwind597.21.0047
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore577.01.0399
Cape Doctor Coastal488.01.2295
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8202
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1681
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8503
Triple Number Windward/Leeward High0.9843
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8202
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1681
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8503
Triple Number Windward/Leeward High0.9843
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Predominantly Upwind609.80.9839
Predominantly Downwind597.21.0047
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance627.80.9558
Triple Number Coastal/Long Distance Low731.50.8202
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High513.71.1681
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1618.91065.1799.8670.2594.1553.5523.1476.6460.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low731.50.8202
Triple Number AP Medium571.91.0492
Triple Number AP High513.61.1681
Triple Number Windward/Leeward Low996.30.6022
Triple Number Windward/Leeward Medium705.60.8503
Triple Number Windward/Leeward High609.60.9843
Single Number Predominant Upwind631.60.9500
Single Number Predominant Reaching571.21.0504
Single Number Predominant Downwind626.50.9577
Predominant Upwind - Low839.90.7143
Predominant Upwind - Low/Med658.20.9115
Predominant Upwind - Medium593.21.0115
Predominant Upwind - Med/High560.01.0714
Predominant Upwind - High545.81.0993
Predominant Downwind Low934.70.6419
Predominant Downwind Low/Med683.00.8785
Predominant Downwind Medium575.31.0429
Predominant Downwind Med/High509.61.1774
Predominant Downwind High476.01.2605
Predominant Reaching Low782.40.7669
Predominant Reaching Low/Med604.20.9931
Predominant Reaching Medium534.81.1219
Predominant Reaching Med/High494.91.2124
Predominant Reaching High473.21.2680
SA/DSPL Upwind25.30SA/DSPL Downwind25.30
Scoring OptionTODTOT
5-Band Windward/Leeward Low1114.30.5384
5-Band Windward/Leeward Low/Med817.50.7340
5-Band Windward/Leeward Medium692.90.8659
5-Band Windward/Leeward Med/High618.80.9696
5-Band Windward/Leeward High588.31.0199
Windward/Leeward 60-40 Low1094.80.5481
Windward/Leeward 60-40 Low/Med814.70.7365
Windward/Leeward 60-40 Medium701.40.8555
Windward/Leeward 60-40 Med/High636.50.9427
Windward/Leeward 60-40 High610.80.9823
5-Band AP Low816.70.7347
5-Band AP Low/Med642.80.9334
5-Band AP Medium564.21.0635
5-Band AP Med/High519.91.1541
5-Band AP High498.21.2043
5-Band SF Bay Tour - Low950.70.6311
5-Band SF Bay Tour - Low/Med777.20.7720
5-Band SF Bay Tour - Medium667.80.8985
5-Band SF Bay Tour - Med/High605.90.9902
5-Band SF Bay Tour - High579.31.0357
Chicago-Mac Upwind0.9244
Chicago-Mac All Purpose0.9278
Chicago-Mac Downwind0.9210
Bayview-Mac Cove Island0.6794
Bayview-Mac Shore0.6880
Harvest Moon Regatta502.21.1947
Non Spin/HSFClub 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. Beam3.134Draft1.775Displacement5,425Wetted area23.78IMS L9.703LSM09.577Acc. length10.185Sink (kg/mm) 17.34
VCGD-0.172VCGM-0.129RM Rated (kg·m) 96.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight647Declared 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
Non Spin/HSFClub 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
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.