Non Spin/HSFClub Certificate2025
CirceFIN 101
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 Angles42.6°42.6°40.4°40.2°40.1°40.1°39.9°40.1°41.1°
Beat VMG2.403.263.894.254.434.524.584.614.56
52°3.724.935.726.206.446.556.606.676.67
60°3.925.155.946.416.656.766.826.896.91
75°4.035.296.096.576.846.997.087.197.26
90°3.925.206.046.596.907.117.267.457.56
110°3.374.635.626.376.837.127.357.697.86
120°3.194.425.426.226.747.077.337.768.11
135°2.763.934.955.776.426.857.147.648.08
150°2.273.344.335.165.876.446.847.377.83
Run VMG1.972.893.764.505.175.806.337.037.50
Gybe Angles145.7°145.7°150.5°156.5°163.1°170.0°176.3°179.0°179.2°
APH ToD:634.1CDL: 7.862APH ToT: 0.9463CertNo:
BOAT
ClassS&S One offDesignerSparkman & StephenBuilderAge date01/1967Series date01/1967Offset fileFin101.offData fileFIN101
HULL
Length Overall11.240 mMaximum Beam3.064 mDraft1.894 mDisplacement7,200 kgDLR10.4308IMS DivisionCruiser/RacerDynamic Allowance0.670%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameter0.000m
CREW
Maximum weight370 kg(declared)Minimum weight240 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.5626.39Headsail Luffed44.3344.33Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.35Storm Jib8.37Heavy Weather Jib22.59
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
CirceFIN 101
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 VMG1500.11103.5926.0847.7813.5795.8785.7780.6789.0
52°966.9730.6629.4580.2558.8549.4545.6539.8539.8
60°919.3698.8606.3562.0541.7532.6527.7522.5520.8
75°893.3680.0591.0547.9526.7515.0508.4500.8496.0
90°917.5692.5595.6546.6521.5506.4496.0483.4476.4
110°1068.7777.9640.9565.6527.3505.6489.9468.3458.1
120°1130.3815.0664.1579.0534.0509.0491.2463.7444.1
135°1305.2915.9727.5624.4561.1525.8503.9471.5445.4
150°1584.01077.5830.5697.6613.4558.7526.2488.4459.6
Run VMG1825.91244.2958.6799.3695.9621.2568.4511.8480.0
Selected Courses
Windward / Leeward1659.31173.9942.3823.5754.7708.5677.0646.2634.5
All purpose1247.2901.6739.8656.6610.8583.1565.6545.8535.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward785.80.7636
All purpose634.10.9463
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6939
Downwind "popa"0.7779
70% up, 30% down "Ilhabela"0.7171
30% up, 70% down "Ilhabela-inverso"0.7506
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Predominantly Upwind676.20.8874
Predominantly Downwind655.70.9151
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low820.70.7311
Triple Number AP Medium629.90.9525
Triple Number AP High562.61.0666
Triple Number Windward/Leeward Low1106.70.5422
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Single Number Predominant Upwind701.30.8555
Single Number Predominant Reaching630.10.9522
Single Number Predominant Downwind688.40.8715
Predominant Upwind - Low950.90.6310
Predominant Upwind - Low/Med736.20.8150
Predominant Upwind - Medium655.00.9161
Predominant Upwind - Med/High614.90.9758
Predominant Upwind - High600.30.9995
Predominant Downwind Low1035.70.5793
Predominant Downwind Low/Med753.60.7962
Predominant Downwind Medium630.40.9518
Predominant Downwind Med/High555.41.0804
Predominant Downwind High520.61.1525
Predominant Reaching Low881.50.6806
Predominant Reaching Low/Med671.50.8935
Predominant Reaching Medium585.91.0241
Predominant Reaching Med/High538.81.1135
Predominant Reaching High517.61.1591
SA/DSPL Upwind18.62SA/DSPL Downwind18.62
Scoring OptionTODTOT
5-Band Windward/Leeward Low1238.30.4845
5-Band Windward/Leeward Low/Med906.80.6616
5-Band Windward/Leeward Medium767.50.7817
5-Band Windward/Leeward Med/High683.70.8775
5-Band Windward/Leeward High649.50.9238
Windward/Leeward 60-40 Low1222.30.4909
Windward/Leeward 60-40 Low/Med907.00.6615
Windward/Leeward 60-40 Medium778.60.7706
Windward/Leeward 60-40 Med/High704.80.8514
Windward/Leeward 60-40 High676.20.8873
5-Band AP Low918.70.6531
5-Band AP Low/Med715.20.8389
5-Band AP Medium620.70.9666
5-Band AP Med/High569.01.0544
5-Band AP High547.51.0959
5-Band SF Bay Tour - Low1060.40.5658
5-Band SF Bay Tour - Low/Med864.40.6941
5-Band SF Bay Tour - Medium739.70.8111
5-Band SF Bay Tour - Med/High668.90.8970
5-Band SF Bay Tour - High640.60.9366
Chicago-Mac Upwind0.8303
Chicago-Mac All Purpose0.8382
Chicago-Mac Downwind0.8371
Bayview-Mac Cove Island0.6094
Bayview-Mac Shore0.6164
Harvest Moon Regatta548.21.0945
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance691.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating691.90.8672
FinRating, kevyt tuuli1220.10.8196
FinRating, kova tuuli551.30.9069
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8672
Triple Number Coastal/Long Distance Low0.7311
Triple Number Coastal/Long Distance Medium0.9526
Triple Number Coastal/Long Distance High1.0666
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
For information
General Purpose Handicap (GPH)712.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low820.7
Triple Number Coastal/Long Distance Medium629.9
Triple Number Coastal/Long Distance High562.5
Triple Number Windward/Leeward Low1058.0
Triple Number Windward/Leeward Medium781.8
Triple Number Windward/Leeward High673.3
Predominantly Upwind676.2
Predominantly Downwind655.7
Predominantly Reaching620.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7311
Triple Number Coastal/Long Distance Medium0.9526
Triple Number Coastal/Long Distance High1.0666
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8911
Coastal/Long Distance0.8672
Predominantly Upwind0.8874
Predominantly Downwind0.9151
For information
General Purpose Handicap (GPH)712.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9463
Distanseseilas Trippeltall svak vind0.7311
Distanseseilas Trippeltall mellomvind0.9526
Distanseseilas Trippeltall sterk vind1.0666
Pølsebane Trippeltall svak vind0.5671
Pølsebane Trippeltall mellomvind0.7675
Pølsebane Trippeltall sterk vind0.8911
Motvind Singeltall0.8874
Medvind Singeltall0.9151
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Coastal/Long Distance691.90.8672
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind676.20.8874
Predominantly Downwind655.70.9151
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore638.00.9404
Cape Doctor Coastal538.81.1136
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7311
Triple Number Coastal/Long Distance Medium0.9526
Triple Number Coastal/Long Distance High1.0666
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8911
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7311
Triple Number Coastal/Long Distance Medium0.9526
Triple Number Coastal/Long Distance High1.0666
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8911
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Predominantly Upwind676.20.8874
Predominantly Downwind655.70.9151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance691.90.8672
Triple Number Coastal/Long Distance Low820.70.7311
Triple Number Coastal/Long Distance Medium629.90.9526
Triple Number Coastal/Long Distance High562.51.0666
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11180.9888.6741.4653.9606.0571.1521.3509.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low820.70.7311
Triple Number AP Medium629.90.9525
Triple Number AP High562.61.0666
Triple Number Windward/Leeward Low1106.70.5422
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High673.30.8911
Single Number Predominant Upwind701.30.8555
Single Number Predominant Reaching630.10.9522
Single Number Predominant Downwind688.40.8715
Predominant Upwind - Low950.90.6310
Predominant Upwind - Low/Med736.20.8150
Predominant Upwind - Medium655.00.9161
Predominant Upwind - Med/High614.90.9758
Predominant Upwind - High600.30.9995
Predominant Downwind Low1035.70.5793
Predominant Downwind Low/Med753.60.7962
Predominant Downwind Medium630.40.9518
Predominant Downwind Med/High555.41.0804
Predominant Downwind High520.61.1525
Predominant Reaching Low881.50.6806
Predominant Reaching Low/Med671.50.8935
Predominant Reaching Medium585.91.0241
Predominant Reaching Med/High538.81.1135
Predominant Reaching High517.61.1591
SA/DSPL Upwind18.62SA/DSPL Downwind18.62
Scoring OptionTODTOT
5-Band Windward/Leeward Low1238.30.4845
5-Band Windward/Leeward Low/Med906.80.6616
5-Band Windward/Leeward Medium767.50.7817
5-Band Windward/Leeward Med/High683.70.8775
5-Band Windward/Leeward High649.50.9238
Windward/Leeward 60-40 Low1222.30.4909
Windward/Leeward 60-40 Low/Med907.00.6615
Windward/Leeward 60-40 Medium778.60.7706
Windward/Leeward 60-40 Med/High704.80.8514
Windward/Leeward 60-40 High676.20.8873
5-Band AP Low918.70.6531
5-Band AP Low/Med715.20.8389
5-Band AP Medium620.70.9666
5-Band AP Med/High569.01.0544
5-Band AP High547.51.0959
5-Band SF Bay Tour - Low1060.40.5658
5-Band SF Bay Tour - Low/Med864.40.6941
5-Band SF Bay Tour - Medium739.70.8111
5-Band SF Bay Tour - Med/High668.90.8970
5-Band SF Bay Tour - High640.60.9366
Chicago-Mac Upwind0.8303
Chicago-Mac All Purpose0.8382
Chicago-Mac Downwind0.8371
Bayview-Mac Cove Island0.6094
Bayview-Mac Shore0.6164
Harvest Moon Regatta548.21.0945
Non Spin/HSFClub Certificate2025
CirceFIN 101
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassS&S One offMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.240Max. Beam3.064Draft1.894Displacement7,200Wetted area25.50IMS L8.986LSM08.837Acc. length9.958Sink (kg/mm) 16.33
VCGD-0.082VCGM-0.056RM Rated (kg·m) 84.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight577Declared crew weight370
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.000PBW0.154
APH0.049APT0.104APB0.066
RIG
Forestay tensionAftInner stayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P11.200IG12.800ISP12.800MDT10.141MDL10.226MDT20.141MDL20.226TL0.000MW0.226GO0.272
E3.750J4.470BAS1.384FSD0.000SFJ0.000SPL4.400WPLTPS0.000BD0.150MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/07/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
CirceFIN 101
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.801.482.503.2125.5629/05/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment11.563.196.8313.16NoNo 44.33
CRUISER/RACER REQUIREMENTS*
Accommodation length10.0 mTable area0.44 m²Headroom1.70 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity80 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity50 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.