Double HandedClub Certificate2026
Ilona TuulikkiFIN-6313
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 Angles45.7°42.3°40.4°39.9°39.8°39.7°39.7°40.4°41.6°
Beat VMG2.203.053.603.954.134.194.234.214.13
52°3.434.575.295.735.956.046.096.116.08
60°3.674.775.495.916.136.236.286.336.33
75°3.824.915.636.066.306.456.546.666.74
90°3.714.835.596.076.356.556.716.997.19
110°3.534.835.716.246.546.776.937.197.25
120°3.404.685.616.206.546.837.127.477.68
135°3.004.285.245.966.406.717.047.628.09
150°2.533.714.685.486.076.446.757.377.91
Run VMG2.193.214.064.785.405.906.286.857.41
Gybe Angles143.5°148.0°152.1°155.2°161.5°167.5°176.3°177.2°177.7°
APH ToD:657.7CDL: 6.498APH ToT: 0.9123CertNo:
BOAT
ClassIW 31DesignerSparkman&StephensBuilderIW VarvetAge date01/1975Series date01/1975Offset fileIW31.OFFData fileL-6313
HULL
Length Overall9.300Maximum Beam2.684Draft1.685Displacement3,745DLR11.5040IMS DivisionCruiser/RacerDynamic Allowance0.600%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 3 bladesDiameter0.350m
CREW
Maximum weight184(declared)Minimum weight120 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.4617.83Headsail Luffed28.8728.87Headsail FlyingSymmetric59.5659.56Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.01Storm Jib6.76Heavy Weather Jib18.25
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 53.5 Stability Index 128.3
COMMENTS
HULL #243
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  04140004IL1 Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Ilona TuulikkiFIN-6313
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 VMG1639.01181.3999.0910.8872.7858.4851.4855.9872.1
52°1048.4788.2680.3628.3604.6595.5590.9588.8591.8
60°981.4754.3656.0609.0587.4577.6572.8569.0568.4
75°942.1733.1639.3593.9571.6558.5550.0540.8534.4
90°971.2745.4643.8592.9566.5549.5536.3514.7500.8
110°1019.0745.9629.9576.9550.6531.8519.4500.4496.6
120°1058.0768.8641.8580.8550.1527.0505.4481.7468.8
135°1198.1841.3687.0603.9562.9536.1511.4472.3445.2
150°1423.7970.4769.6657.2593.0558.6533.6488.3455.1
Run VMG1644.01120.6886.9753.1666.1609.7573.3525.7485.7
Selected Courses
Windward / Leeward1641.51150.9942.9832.0769.4734.1712.3690.8678.9
All purpose1247.5899.9751.7675.5635.9613.8598.8580.3571.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward801.60.7485
All purpose657.70.9123
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6432
Downwind "popa"0.8179
70% up, 30% down "Ilhabela"0.6873
30% up, 70% down "Ilhabela-inverso"0.7563
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Predominantly Upwind715.10.8391
Predominantly Downwind658.50.9112
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP683.50.8778 Predom. Rc High545.81.0992 5B SF Bay L/M870.30.6894 TriNum AP Low825.80.7266 Predom. Dn Low992.40.6046 5B SF Bay Med761.00.7884 TriNum AP Med653.30.9185 Predom. Dn L/M740.20.8105 5B SF Bay M/H704.00.8522 TriNum AP High595.61.0074 Predom. Dn Med636.40.9428 5B SF Bay High682.60.8790 TriNum W/L Low1095.30.5478 Predom. Dn M/H574.11.0451 5B AP Low911.40.6583 TriNum W/L Med795.90.7539 Predom. Dn High540.81.1094 5B AP L/M729.50.8224 TriNum W/L Hig709.70.8454 ChiMac Up Low880.60.6813 5B AP Med645.30.9298 Predom. Upwind742.30.8083 ChiMac Up Med803.30.7469 5B AP M/H601.30.9978 Predom. Reaching653.80.9178 ChiMac Up High715.00.8391 5B AP High581.91.0311 Predom. Downwind687.70.8725 ChiMac Off Low856.90.7002 5B W/L Low1221.60.4912 Predom. Up Low991.00.6055 ChiMac Off Med760.50.7889 5B W/L L/M908.80.6602 Predom. Up L/M773.60.7756 ChiMac Off High647.60.9265 5B W/L Med783.60.7657 Predom. Up Med694.60.8638 ChiMac AP Low865.10.6935 5B W/L M/H717.20.8366 Predom. Up M/H658.50.9111 ChiMac AP Med779.30.7699 5B W/L High692.50.8665 Predom. Up High646.80.9277 ChiMac AP High679.70.8828 W/L 60-40 Low1227.30.4889 Predom. Rc Low889.00.6749 BayMac Cove Island988.80.6068 W/L 60-40 L/M922.30.6506 Predom. Rc L/M690.00.8696 BayMac Shore981.20.6115 W/L 60-40 Med804.00.7463 Predom. Rc Med612.90.9790 Harvest Moon578.71.0368 W/L 60-40 M/H744.80.8056 Predom. Rc M/H569.41.0538 5B SF Bay Low1038.30.5779 W/L 60-40 High725.50.8270      SA/DSPL Up19.13SA/DSPL Dn31.80
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance712.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating712.40.8422
FinRating, kevyt tuuli1204.10.8305
FinRating, kova tuuli585.20.8543
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8422
Triple Number Coastal/Long Distance Low0.7266
Triple Number Coastal/Long Distance Medium0.9185
Triple Number Coastal/Long Distance High1.0074
Triple Number Windward/Leeward Low0.5731
Triple Number Windward/Leeward Medium0.7539
Triple Number Windward/Leeward High0.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
For information
General Purpose Handicap (GPH)733.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Saronikos S All Purpose745.20.8052
Saronikos S Upwind839.70.7145
Saronikos S Downwind628.90.9541
Saronikos N All Purpose783.30.7660
Saronikos N Upwind874.50.6861
Saronikos N Downwind684.80.8762
Saronikos SW All Purpose749.40.8006
Saronikos SW Upwind855.70.7012
Saronikos SW Downwind642.50.9339
Saronikos NE All Purpose808.40.7422
Saronikos NE Upwind819.70.7320
Saronikos NE Downwind770.30.7789
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose683.50.8778
5-Band All Purpose Low987.60.6076
5-Band All Purpose L/M755.20.7945
5-Band All Purpose Med664.50.9029
5-Band All Purpose M/H615.50.9748
5-Band All Purpose High593.01.0118
Single Number Predominant Upwind713.50.8409
Single Number Predominant Reaching630.30.9519
Single Number Predominant Downwind659.50.9098
5-Band 50-50 Windward/Leeward Low1221.60.4912
5-Band 50-50 Windward/Leeward L/M908.80.6602
5-Band 50-50 Windward/Leeward Med783.60.7657
5-Band 50-50 Windward/Leeward M/H717.20.8366
5-Band 50-50 Windward/Leeward High692.50.8665
5-Band 60-40 Windward/Leeward Low1227.30.4889
5-Band 60-40 Windward/Leeward L/M922.30.6506
5-Band 60-40 Windward/Leeward Med804.00.7463
5-Band 60-40 Windward/Leeward M/H744.80.8056
5-Band 60-40 Windward/Leeward High725.50.8270
Triple Number 50-50 Windward/Leeward Low1095.30.5478
Triple Number 50-50 Windward/Leeward Med796.00.7538
Triple Number 50-50 Windward/Leeward High709.70.8454
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward821.80.7301
Triple Number 60-40 Windward/Leeward Low1103.50.5437
Triple Number 60-40 Windward/Leeward Med815.30.7360
Triple Number 60-40 Windward/Leeward High738.70.8122
Triple Number All-Purpose Low893.50.6715
Triple Number All-Purpose Med673.30.8912
Triple Number All-Purpose High609.00.9852
Triple Number Predominant Upwind Low909.50.6597
Triple Number Predominant Upwind Med704.50.8517
Triple Number Predominant Upwind High662.70.9054
Triple Number Predominant Reaching Low813.00.7380
Triple Number Predominant Reaching Med630.40.9518
Triple Number Predominant Reaching High552.71.0856
Triple Number Predominant Downwind Low890.20.6740
Triple Number Predominant Downwind Med646.30.9284
Triple Number Predominant Downwind High551.91.0872
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low825.8
Triple Number Coastal/Long Distance Medium653.2
Triple Number Coastal/Long Distance High595.6
Triple Number Windward/Leeward Low1046.9
Triple Number Windward/Leeward Medium795.9
Triple Number Windward/Leeward High709.7
Predominantly Upwind715.1
Predominantly Downwind658.5
Predominantly Reaching637.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7266
Triple Number Coastal/Long Distance Medium0.9185
Triple Number Coastal/Long Distance High1.0074
Triple Number Windward/Leeward Low0.5731
Triple Number Windward/Leeward Medium0.7539
Triple Number Windward/Leeward High0.8454
Coastal/Long Distance0.8422
Predominantly Upwind0.8391
Predominantly Downwind0.9112
For information
General Purpose Handicap (GPH)733.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9123
Distanseseilas Trippeltall svak vind0.7266
Distanseseilas Trippeltall mellomvind0.9185
Distanseseilas Trippeltall sterk vind1.0074
Pølsebane Trippeltall svak vind0.5731
Pølsebane Trippeltall mellomvind0.7539
Pølsebane Trippeltall sterk vind0.8454
Motvind Singeltall0.8391
Medvind Singeltall0.9112
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Coastal/Long Distance712.40.8422
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind715.10.8391
Predominantly Downwind658.50.9112
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore682.40.8792
Cape Doctor Coastal573.91.0455
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7266
Triple Number Coastal/Long Distance Medium0.9185
Triple Number Coastal/Long Distance High1.0074
Triple Number Windward/Leeward Low0.5731
Triple Number Windward/Leeward Medium0.7539
Triple Number Windward/Leeward High0.8454
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7266
Triple Number Coastal/Long Distance Medium0.9185
Triple Number Coastal/Long Distance High1.0074
Triple Number Windward/Leeward Low0.5731
Triple Number Windward/Leeward Medium0.7539
Triple Number Windward/Leeward High0.8454
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Predominantly Upwind715.10.8391
Predominantly Downwind658.50.9112
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance712.40.8422
Triple Number Coastal/Long Distance Low825.80.7266
Triple Number Coastal/Long Distance Medium653.20.9185
Triple Number Coastal/Long Distance High595.61.0074
Triple Number Windward/Leeward Low1046.90.5731
Triple Number Windward/Leeward Medium795.90.7539
Triple Number Windward/Leeward High709.70.8454
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.71147.9889.9755.1678.0636.6603.8552.6540.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP683.50.8778 Predom. Dn High540.81.1094 5B AP M/H601.30.9978 TriNum AP Low825.80.7266 Predom. Rc Low889.00.6749 5B AP High581.91.0311 TriNum AP Med653.30.9185 Predom. Rc L/M690.00.8696 5B SF Bay Low1038.30.5779 TriNum AP High595.61.0074 Predom. Rc Med612.90.9790 5B SF Bay L/M870.30.6894 TriNum W/L Low1095.30.5478 Predom. Rc M/H569.41.0538 5B SF Bay Med761.00.7884 TriNum W/L Med795.90.7539 Predom. Rc High545.81.0992 5B SF Bay M/H704.00.8522 TriNum W/L Hig709.70.8454 5B W/L Low1221.60.4912 5B SF Bay High682.60.8790 Predom. Upwind742.30.8083 5B W/L L/M908.80.6602 ChiMac Up Low880.60.6813 Predom. Reaching653.80.9178 5B W/L Med783.60.7657 ChiMac Up Med803.30.7469 Predom. Downwind687.70.8725 5B W/L M/H717.20.8366 ChiMac Up High715.00.8391 Predom. Up Low991.00.6055 5B W/L High692.50.8665 ChiMac Off Low856.90.7002 Predom. Up L/M773.60.7756 W/L 60-40 Low1227.30.4889 ChiMac Off Med760.50.7889 Predom. Up Med694.60.8638 W/L 60-40 L/M922.30.6506 ChiMac Off High647.60.9265 Predom. Up M/H658.50.9111 W/L 60-40 Med804.00.7463 ChiMac AP Low865.10.6935 Predom. Up High646.80.9277 W/L 60-40 M/H744.80.8056 ChiMac AP Med779.30.7699 Predom. Dn Low992.40.6046 W/L 60-40 High725.50.8270 ChiMac AP High679.70.8828 Predom. Dn L/M740.20.8105 5B AP Low911.40.6583 BayMac Cove Island988.80.6068 Predom. Dn Med636.40.9428 5B AP L/M729.50.8224 BayMac Shore981.20.6115 Predom. Dn M/H574.11.0451 5B AP Med645.30.9298 Harvest Moon578.71.0368      SA/DSPL Up19.13SA/DSPL Dn31.80
ORC Ref  04140004IL1 Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Ilona TuulikkiFIN-6313
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIW 31MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.300Maximum beam2.684Draft1.685Displacement3,745Wetted area16.97IMS L7.140LSM06.879Accomod. length8.723Sink (kg/mm) 11.53
VCGD-0.226VCGM-0.123 RM Rated (kg·m) 53.5Limit of positive stability(°) 124.1 Stability Index 128.3 BLR index 0.0000Default crew weight170 Declared crew weight 184
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.350PBW0.087PIPA0.0023
PSD0.025PHD0.043PHL0.135
PSA18.0°ESL0.405
ST10.049ST20.064ST30.064
ST40.049ST50.155
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P9.865IG11.548ISP11.564MDT10.115MDL10.183MDT20.115MDL20.183TL0.000MW0.183GO0.206
E2.900J3.495BAS1.288FSD0.000SFJ0.300SPL3.485WPLTPSBD0.112MWT110.00MCG3.360
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date06/06/2006
SFFP0.320FFM0.999FF1.016LCFcl5.181SG1.0050
SAFP9.150FAM0.614FA0.627LCFsh5.344HBI0.786
W140.0W240.0W340.0W440.0
PD1499.6PD2499.4PD3500.7PD4499.5
WD8.815PLM9000.00GSA1.0RSA1.0RM55.6
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004IL1 Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Ilona TuulikkiFIN-6313
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.130.651.151.932.4817.4619/01/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG1 20200.080.561.232.573.905.2111.20NoNo 28.8705/05/2019G24.8811.21NoNo 27.8405/06/2006G600.070.571.132.323.564.8510.76NoNo 25.5002/01/2022G30.050.390.751.532.353.2311.00NoNo 17.2808/04/2015
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.3711.3711.376.336.1159.5601/06/2015311.3511.3511.356.306.1059.2107/02/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length8.7 mTable area0.33 m²Headroom1.57 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity40 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity24 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004IL1 Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org