Club 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 VMG2.403.263.894.254.434.534.594.624.57
52°3.724.935.726.216.446.566.626.676.67
60°3.915.155.946.416.656.766.826.896.92
75°4.035.296.096.576.846.997.087.197.26
90°3.925.206.046.596.907.117.267.457.56
110°3.755.116.126.737.067.277.407.617.71
120°3.594.966.026.707.097.377.597.878.07
135°3.224.485.556.436.947.287.578.108.57
150°2.653.814.865.806.546.987.307.878.42
Run VMG2.293.304.215.035.776.326.757.357.87
Gybe Angles147.3°147.3°151.4°151.1°158.5°164.8°171.1°177.7°177.7°
APH ToD:611.7CDL: 7.867APH ToT: 0.9809CertNo:
BOAT
ClassS&S One offDesignerSparkman & StephenBuilderAge date01/1967Series date01/1967Offset fileFin101.offData fileFIN101
HULL
Length Overall11.240 mMaximum Beam3.064 mDraft1.894 mDisplacement7,200 kgDLR10.4304IMS DivisionCruiser/RacerDynamic Allowance0.630%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 FlyingSymmetric91.6191.61Asymmetric
STORM SAIL AREAS (m²)
Trysail7.35Storm Jib8.37Heavy Weather Jib22.59
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
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 VMG1500.91103.9926.1847.4813.1795.3785.2780.1788.2
52°967.3730.8629.4580.1558.7549.2544.0539.5539.4
60°919.6699.0606.4561.9541.5532.5527.5522.3520.6
75°893.6680.2591.1547.9526.6514.8508.3500.7495.8
90°917.8692.7595.7546.6521.5506.4496.0483.3476.2
110°959.6704.0588.5535.1509.9495.4486.5472.8467.1
120°1002.7726.2598.3537.4507.8488.7474.1457.5446.1
135°1119.7803.0648.8559.5518.8494.6475.3444.3420.1
150°1357.9945.3741.1620.6550.1515.7493.3457.5427.5
Run VMG1573.01091.5854.7716.2623.5569.2533.5489.5457.4
Selected Courses
Windward / Leeward1535.01097.7890.4781.8718.3682.2659.3634.8622.8
All purpose1166.5850.6704.3629.3589.8568.2554.3537.6528.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward749.90.8001
All purpose611.70.9809
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6941
Downwind "popa"0.8610
70% up, 30% down "Ilhabela"0.7370
30% up, 70% down "Ilhabela-inverso"0.8031
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Predominantly Upwind663.70.9040
Predominantly Downwind615.10.9754
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low777.40.7718
Triple Number AP Medium607.10.9882
Triple Number AP High551.51.0879
Triple Number Windward/Leeward Low1037.50.5783
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Single Number Predominant Upwind688.40.8716
Single Number Predominant Reaching607.60.9876
Single Number Predominant Downwind643.20.9329
Predominant Upwind - Low924.50.6490
Predominant Upwind - Low/Med720.20.8331
Predominant Upwind - Medium644.10.9316
Predominant Upwind - Med/High608.00.9868
Predominant Upwind - High595.01.0084
Predominant Downwind Low941.20.6375
Predominant Downwind Low/Med696.90.8609
Predominant Downwind Medium592.21.0132
Predominant Downwind Med/High532.61.1265
Predominant Downwind High503.41.1919
Predominant Reaching Low834.20.7193
Predominant Reaching Low/Med643.00.9331
Predominant Reaching Medium567.31.0577
Predominant Reaching Med/High527.11.1383
Predominant Reaching High507.91.1813
SA/DSPL Upwind18.62SA/DSPL Downwind31.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1155.70.5192
5-Band Windward/Leeward Low/Med857.20.6999
5-Band Windward/Leeward Medium732.30.8194
5-Band Windward/Leeward Med/High664.00.9036
5-Band Windward/Leeward High636.90.9420
Windward/Leeward 60-40 Low1156.30.5189
Windward/Leeward 60-40 Low/Med867.40.6918
Windward/Leeward 60-40 Medium750.40.7996
Windward/Leeward 60-40 Med/High688.90.8710
Windward/Leeward 60-40 High666.00.9009
5-Band AP Low858.70.6987
5-Band AP Low/Med682.50.8792
5-Band AP Medium599.31.0012
5-Band AP Med/High556.81.0776
5-Band AP High538.91.1134
5-Band SF Bay Tour - Low998.20.6011
5-Band SF Bay Tour - Low/Med820.70.7311
5-Band SF Bay Tour - Medium709.50.8457
5-Band SF Bay Tour - Med/High651.50.9210
5-Band SF Bay Tour - High628.30.9550
Chicago-Mac Upwind0.8469
Chicago-Mac All Purpose0.8755
Chicago-Mac Downwind0.8997
Bayview-Mac Cove Island0.6471
Bayview-Mac Shore0.6521
Harvest Moon Regatta531.31.1292
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance664.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating664.40.9031
FinRating, kevyt tuuli1136.50.8799
FinRating, kova tuuli542.60.9214
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9031
Triple Number Coastal/Long Distance Low0.7718
Triple Number Coastal/Long Distance Medium0.9883
Triple Number Coastal/Long Distance High1.0879
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8056
Triple Number Windward/Leeward High0.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
For information
General Purpose Handicap (GPH)684.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low777.4
Triple Number Coastal/Long Distance Medium607.1
Triple Number Coastal/Long Distance High551.5
Triple Number Windward/Leeward Low994.0
Triple Number Windward/Leeward Medium744.8
Triple Number Windward/Leeward High655.9
Predominantly Upwind663.7
Predominantly Downwind615.1
Predominantly Reaching592.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7718
Triple Number Coastal/Long Distance Medium0.9883
Triple Number Coastal/Long Distance High1.0879
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8056
Triple Number Windward/Leeward High0.9148
Coastal/Long Distance0.9031
Predominantly Upwind0.9040
Predominantly Downwind0.9754
For information
General Purpose Handicap (GPH)684.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9809
Distanseseilas Trippeltall svak vind0.7718
Distanseseilas Trippeltall mellomvind0.9883
Distanseseilas Trippeltall sterk vind1.0879
Pølsebane Trippeltall svak vind0.6036
Pølsebane Trippeltall mellomvind0.8056
Pølsebane Trippeltall sterk vind0.9148
Motvind Singeltall0.9040
Medvind Singeltall0.9754
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Coastal/Long Distance664.40.9031
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind663.70.9040
Predominantly Downwind615.10.9754
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore626.40.9579
Cape Doctor Coastal531.21.1295
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7718
Triple Number Coastal/Long Distance Medium0.9883
Triple Number Coastal/Long Distance High1.0879
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8056
Triple Number Windward/Leeward High0.9148
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7718
Triple Number Coastal/Long Distance Medium0.9883
Triple Number Coastal/Long Distance High1.0879
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8056
Triple Number Windward/Leeward High0.9148
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Predominantly Upwind663.70.9040
Predominantly Downwind615.10.9754
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance664.40.9031
Triple Number Coastal/Long Distance Low777.40.7718
Triple Number Coastal/Long Distance Medium607.10.9883
Triple Number Coastal/Long Distance High551.51.0879
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1628.31097.1839.4706.5629.5589.3559.1514.3504.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low777.40.7718
Triple Number AP Medium607.10.9882
Triple Number AP High551.51.0879
Triple Number Windward/Leeward Low1037.50.5783
Triple Number Windward/Leeward Medium744.80.8056
Triple Number Windward/Leeward High655.90.9148
Single Number Predominant Upwind688.40.8716
Single Number Predominant Reaching607.60.9876
Single Number Predominant Downwind643.20.9329
Predominant Upwind - Low924.50.6490
Predominant Upwind - Low/Med720.20.8331
Predominant Upwind - Medium644.10.9316
Predominant Upwind - Med/High608.00.9868
Predominant Upwind - High595.01.0084
Predominant Downwind Low941.20.6375
Predominant Downwind Low/Med696.90.8609
Predominant Downwind Medium592.21.0132
Predominant Downwind Med/High532.61.1265
Predominant Downwind High503.41.1919
Predominant Reaching Low834.20.7193
Predominant Reaching Low/Med643.00.9331
Predominant Reaching Medium567.31.0577
Predominant Reaching Med/High527.11.1383
Predominant Reaching High507.91.1813
SA/DSPL Upwind18.62SA/DSPL Downwind31.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1155.70.5192
5-Band Windward/Leeward Low/Med857.20.6999
5-Band Windward/Leeward Medium732.30.8194
5-Band Windward/Leeward Med/High664.00.9036
5-Band Windward/Leeward High636.90.9420
Windward/Leeward 60-40 Low1156.30.5189
Windward/Leeward 60-40 Low/Med867.40.6918
Windward/Leeward 60-40 Medium750.40.7996
Windward/Leeward 60-40 Med/High688.90.8710
Windward/Leeward 60-40 High666.00.9009
5-Band AP Low858.70.6987
5-Band AP Low/Med682.50.8792
5-Band AP Medium599.31.0012
5-Band AP Med/High556.81.0776
5-Band AP High538.91.1134
5-Band SF Bay Tour - Low998.20.6011
5-Band SF Bay Tour - Low/Med820.70.7311
5-Band SF Bay Tour - Medium709.50.8457
5-Band SF Bay Tour - Med/High651.50.9210
5-Band SF Bay Tour - High628.30.9550
Chicago-Mac Upwind0.8469
Chicago-Mac All Purpose0.8755
Chicago-Mac Downwind0.8997
Bayview-Mac Cove Island0.6471
Bayview-Mac Shore0.6521
Harvest Moon Regatta531.31.1292
Club 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 L8.989LSM08.837Acc. length9.958Sink (kg/mm) 16.33
VCGD-0.083VCGM-0.057RM 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
Club 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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment113.1013.1013.108.507.9691.61
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.