Double HandedClub Certificate2026
AmidalaFIN-2531
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 Angles45.5°42.4°40.4°39.7°39.4°39.2°39.6°40.2°41.9°
Beat VMG2.323.243.854.214.384.444.474.474.37
52°3.634.875.656.076.276.366.416.466.44
60°3.875.095.856.256.456.556.616.686.69
75°4.045.245.996.396.626.786.907.047.13
90°3.925.156.006.466.696.907.087.387.58
110°3.755.156.076.576.897.177.417.717.93
120°3.594.955.926.506.867.197.528.028.28
135°3.114.435.436.216.667.017.378.088.75
150°2.563.754.785.656.306.707.047.758.46
Run VMG2.213.254.154.925.636.166.567.207.86
Gybe Angles136.9°147.1°151.9°154.6°163.0°169.3°177.7°178.1°177.9°
APH ToD:625.0CDL: 7.051APH ToT: 0.9600CertNo:02531
BOAT
ClassFinnFlyer 31DesignerEivind StillBuilderPolar YachtAge date01/1982Series date01/1982Offset fileL3133.BOFData fileL-2531
HULL
Length Overall9.346Maximum Beam3.240Draft1.798Displacement3,514DLR9.1078IMS DivisionCruiser/RacerDynamic Allowance0.200%Age Allowance0.650%RS Assessment-0.381%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight230(declared)Minimum weight120 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.3827.84Headsail Luffed23.9023.90Headsail FlyingSymmetric55.7155.71Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.23Storm Jib5.30Heavy Weather Jib14.30
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 60.4 Stability Index 108.1
COMMENTS
HIGH FREEBOARD; 100 MM REDUCTION IN FF AND FA 2019 New engine+SD.
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  04140004IKE Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
AmidalaFIN-2531
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 VMG1549.61110.3934.0855.2822.6810.6805.3805.3824.1
52°992.9739.5637.0593.2573.9565.8561.4557.5559.4
60°929.4707.0615.4576.4558.4549.3544.4538.7538.1
75°891.7686.7600.8563.1543.6531.0522.0511.3505.1
90°917.6698.5600.3557.5538.3521.7508.2487.6475.0
110°959.3699.6593.0548.0522.5502.0486.1467.2454.2
120°1002.7726.7607.9554.2524.8500.7478.6449.0434.5
135°1156.9811.8662.7580.1540.6513.4488.3445.5411.7
150°1408.4959.1753.3636.8571.5537.2511.3464.3425.7
Run VMG1626.31107.5868.4731.4639.7584.7548.7499.9458.2
Selected Courses
Windward / Leeward1587.91108.9901.2793.3731.1697.6677.0652.6641.1
All purpose1196.0857.7713.2642.2604.8583.4568.3547.6536.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward763.40.7859
All purpose625.00.9600
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6837
Downwind "popa"0.8433
70% up, 30% down "Ilhabela"0.7248
30% up, 70% down "Ilhabela-inverso"0.7881
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Predominantly Upwind676.80.8865
Predominantly Downwind629.80.9526
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP650.00.9230 Predom. Rc High516.31.1621 5B SF Bay L/M829.00.7238 TriNum AP Low785.40.7639 Predom. Dn Low958.30.6261 5B SF Bay Med723.40.8295 TriNum AP Med621.00.9662 Predom. Dn L/M710.50.8445 5B SF Bay M/H668.00.8982 TriNum AP High564.31.0632 Predom. Dn Med608.50.9861 5B SF Bay High644.80.9306 TriNum W/L Low1052.50.5700 Predom. Dn M/H546.81.0974 5B AP Low870.00.6896 TriNum W/L Med757.70.7919 Predom. Dn High511.81.1723 5B AP L/M693.50.8652 TriNum W/L Hig673.00.8915 ChiMac Up Low833.60.7198 5B AP Med613.40.9781 Predom. Upwind703.00.8535 ChiMac Up Med760.50.7889 5B AP M/H570.41.0519 Predom. Reaching621.40.9656 ChiMac Up High676.40.8871 5B AP High549.31.0922 Predom. Downwind658.50.9112 ChiMac Off Low825.40.7269 5B W/L Low1176.70.5099 Predom. Up Low938.80.6391 ChiMac Off Med730.40.8215 5B W/L L/M868.60.6907 Predom. Up L/M730.70.8211 ChiMac Off High618.90.9695 5B W/L Med745.60.8048 Predom. Up Med658.10.9117 ChiMac AP Low825.60.7268 5B W/L M/H680.90.8812 Predom. Up M/H624.40.9610 ChiMac AP Med742.70.8079 5B W/L High654.80.9162 Predom. Up High611.20.9816 ChiMac AP High645.90.9290 W/L 60-40 Low1176.60.5099 Predom. Rc Low846.10.7091 BayMac Cove Island946.90.6336 W/L 60-40 L/M878.00.6833 Predom. Rc L/M654.80.9163 BayMac Shore938.60.6392 W/L 60-40 Med763.20.7862 Predom. Rc Med582.91.0294 Harvest Moon550.31.0903 W/L 60-40 M/H706.30.8495 Predom. Rc M/H540.91.1092 5B SF Bay Low992.00.6048 W/L 60-40 High685.60.8752      SA/DSPL Up22.10SA/DSPL Dn35.80
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance678.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating678.20.8847
FinRating, kevyt tuuli1159.30.8626
FinRating, kova tuuli552.70.9046
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8847
Triple Number Coastal/Long Distance Low0.7639
Triple Number Coastal/Long Distance Medium0.9662
Triple Number Coastal/Long Distance High1.0632
Triple Number Windward/Leeward Low0.5970
Triple Number Windward/Leeward Medium0.7919
Triple Number Windward/Leeward High0.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
For information
General Purpose Handicap (GPH)697.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Saronikos S All Purpose704.50.8516
Saronikos S Upwind790.20.7593
Saronikos S Downwind600.00.9999
Saronikos N All Purpose742.30.8083
Saronikos N Upwind823.20.7289
Saronikos N Downwind655.60.9152
Saronikos SW All Purpose708.00.8475
Saronikos SW Upwind804.60.7457
Saronikos SW Downwind612.10.9803
Saronikos NE All Purpose767.20.7821
Saronikos NE Upwind772.60.7766
Saronikos NE Downwind736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose650.00.9230
5-Band All Purpose Low944.10.6356
5-Band All Purpose L/M718.50.8351
5-Band All Purpose Med632.10.9492
5-Band All Purpose M/H584.71.0261
5-Band All Purpose High560.81.0698
Single Number Predominant Upwind675.10.8887
Single Number Predominant Reaching598.91.0019
Single Number Predominant Downwind631.00.9508
5-Band 50-50 Windward/Leeward Low1176.70.5099
5-Band 50-50 Windward/Leeward L/M868.60.6907
5-Band 50-50 Windward/Leeward Med745.60.8048
5-Band 50-50 Windward/Leeward M/H680.90.8812
5-Band 50-50 Windward/Leeward High654.80.9162
5-Band 60-40 Windward/Leeward Low1176.60.5099
5-Band 60-40 Windward/Leeward L/M878.00.6833
5-Band 60-40 Windward/Leeward Med763.20.7862
5-Band 60-40 Windward/Leeward M/H706.30.8495
5-Band 60-40 Windward/Leeward High685.60.8752
Triple Number 50-50 Windward/Leeward Low1052.50.5700
Triple Number 50-50 Windward/Leeward Med757.70.7918
Triple Number 50-50 Windward/Leeward High673.00.8915
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward780.70.7686
Triple Number 60-40 Windward/Leeward Low1055.40.5685
Triple Number 60-40 Windward/Leeward Med774.10.7751
Triple Number 60-40 Windward/Leeward High699.70.8575
Triple Number All-Purpose Low852.50.7038
Triple Number All-Purpose Med640.40.9369
Triple Number All-Purpose High577.91.0383
Triple Number Predominant Upwind Low861.10.6968
Triple Number Predominant Upwind Med667.10.8994
Triple Number Predominant Upwind High627.50.9562
Triple Number Predominant Reaching Low772.80.7764
Triple Number Predominant Reaching Med599.21.0014
Triple Number Predominant Reaching High524.61.1437
Triple Number Predominant Downwind Low857.20.6999
Triple Number Predominant Downwind Med618.80.9697
Triple Number Predominant Downwind High525.21.1424
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low785.4
Triple Number Coastal/Long Distance Medium621.0
Triple Number Coastal/Long Distance High564.3
Triple Number Windward/Leeward Low1005.0
Triple Number Windward/Leeward Medium757.7
Triple Number Windward/Leeward High673.0
Predominantly Upwind676.8
Predominantly Downwind629.8
Predominantly Reaching607.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7639
Triple Number Coastal/Long Distance Medium0.9662
Triple Number Coastal/Long Distance High1.0632
Triple Number Windward/Leeward Low0.5970
Triple Number Windward/Leeward Medium0.7919
Triple Number Windward/Leeward High0.8915
Coastal/Long Distance0.8847
Predominantly Upwind0.8865
Predominantly Downwind0.9526
For information
General Purpose Handicap (GPH)697.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9600
Distanseseilas Trippeltall svak vind0.7639
Distanseseilas Trippeltall mellomvind0.9662
Distanseseilas Trippeltall sterk vind1.0632
Pølsebane Trippeltall svak vind0.5970
Pølsebane Trippeltall mellomvind0.7919
Pølsebane Trippeltall sterk vind0.8915
Motvind Singeltall0.8865
Medvind Singeltall0.9526
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Coastal/Long Distance678.20.8847
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind676.80.8865
Predominantly Downwind629.80.9526
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore644.60.9308
Cape Doctor Coastal540.11.1110
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7639
Triple Number Coastal/Long Distance Medium0.9662
Triple Number Coastal/Long Distance High1.0632
Triple Number Windward/Leeward Low0.5970
Triple Number Windward/Leeward Medium0.7919
Triple Number Windward/Leeward High0.8915
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7639
Triple Number Coastal/Long Distance Medium0.9662
Triple Number Coastal/Long Distance High1.0632
Triple Number Windward/Leeward Low0.5970
Triple Number Windward/Leeward Medium0.7919
Triple Number Windward/Leeward High0.8915
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Predominantly Upwind676.80.8865
Predominantly Downwind629.80.9526
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance678.20.8847
Triple Number Coastal/Long Distance Low785.40.7639
Triple Number Coastal/Long Distance Medium621.00.9662
Triple Number Coastal/Long Distance High564.31.0632
Triple Number Windward/Leeward Low1005.00.5970
Triple Number Windward/Leeward Medium757.70.7919
Triple Number Windward/Leeward High673.00.8915
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1591.81108.8849.8719.0644.8605.3573.5521.4509.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP650.00.9230 Predom. Dn High511.81.1723 5B AP M/H570.41.0519 TriNum AP Low785.40.7639 Predom. Rc Low846.10.7091 5B AP High549.31.0922 TriNum AP Med621.00.9662 Predom. Rc L/M654.80.9163 5B SF Bay Low992.00.6048 TriNum AP High564.31.0632 Predom. Rc Med582.91.0294 5B SF Bay L/M829.00.7238 TriNum W/L Low1052.50.5700 Predom. Rc M/H540.91.1092 5B SF Bay Med723.40.8295 TriNum W/L Med757.70.7919 Predom. Rc High516.31.1621 5B SF Bay M/H668.00.8982 TriNum W/L Hig673.00.8915 5B W/L Low1176.70.5099 5B SF Bay High644.80.9306 Predom. Upwind703.00.8535 5B W/L L/M868.60.6907 ChiMac Up Low833.60.7198 Predom. Reaching621.40.9656 5B W/L Med745.60.8048 ChiMac Up Med760.50.7889 Predom. Downwind658.50.9112 5B W/L M/H680.90.8812 ChiMac Up High676.40.8871 Predom. Up Low938.80.6391 5B W/L High654.80.9162 ChiMac Off Low825.40.7269 Predom. Up L/M730.70.8211 W/L 60-40 Low1176.60.5099 ChiMac Off Med730.40.8215 Predom. Up Med658.10.9117 W/L 60-40 L/M878.00.6833 ChiMac Off High618.90.9695 Predom. Up M/H624.40.9610 W/L 60-40 Med763.20.7862 ChiMac AP Low825.60.7268 Predom. Up High611.20.9816 W/L 60-40 M/H706.30.8495 ChiMac AP Med742.70.8079 Predom. Dn Low958.30.6261 W/L 60-40 High685.60.8752 ChiMac AP High645.90.9290 Predom. Dn L/M710.50.8445 5B AP Low870.00.6896 BayMac Cove Island946.90.6336 Predom. Dn Med608.50.9861 5B AP L/M693.50.8652 BayMac Shore938.60.6392 Predom. Dn M/H546.81.0974 5B AP Med613.40.9781 Harvest Moon550.31.0903      SA/DSPL Up22.10SA/DSPL Dn35.80
ORC Ref  04140004IKE Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
AmidalaFIN-2531
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFinnFlyer 31Measurement18/04/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.346Maximum beam3.240Draft1.798Displacement3,514Wetted area17.55IMS L7.512LSM07.279Accomod. length9.345Sink (kg/mm) 12.70
VCGD0.115VCGM0.057 RM Rated (kg·m) 60.4Limit of positive stability(°) 111.4 Stability Index 108.1 BLR index 0.0000Default crew weight170 Declared crew weight 230
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBW0.090PIPA0.0035
EDL1.110ST10.065ST20.180
ST30.180ST40.110ST50.260
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders2Rotating mastNo
P11.675IG10.290ISP10.670MDT10.100MDL10.130MDT20.085MDL20.100TL2.140MW0.130GO0.130
E4.025J3.150BAS1.360FSD0.023SFJ0.000SPL3.230WPLTPSBD0.100MWT81.60MCG4.340
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered62.2Flotation Date15/07/1992
SFFP0.616FFM0.995FF1.010LCFcl4.995SG1.0050
SAFP8.279FAM0.795FA0.806LCFsh5.245HBI0.893
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004IKE Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
AmidalaFIN-2531
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.180.821.472.493.3227.3805/05/2012M-180.180.821.462.473.3227.3009/06/2018Trysail0.100.380.721.432.2418.7931/07/2011
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.070.591.122.253.454.7110.36NoNo 23.9031/07/2012StratisG1MH180.070.591.122.253.434.7010.37NoNo 23.8608/06/2018G1L0.060.511.032.163.374.6610.27NoNo 22.9627/06/2017G20.060.410.831.782.803.9410.20NoNo 18.9827/06/2017G3-180.070.450.871.612.333.0210.27YesNo 16.2108/06/2018Storm0.060.260.460.881.371.865.07NoNo 4.6631/07/2012
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment210.9210.9210.926.106.2155.7131/07/2012ModS310.2110.2110.215.655.7148.1718/04/2023White/green110.1610.1610.165.535.5846.9105/05/2012
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004IKE Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org