Club 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 Angles45.7°42.7°41.1°39.4°37.8°37.4°37.2°37.4°38.2°
Beat VMG2.293.223.874.344.604.714.784.814.78
52°3.594.875.726.186.416.546.616.686.70
60°3.845.105.916.326.556.696.786.876.92
75°4.005.246.036.456.686.877.027.217.34
90°3.885.146.076.546.816.997.147.517.75
110°3.735.136.086.606.937.237.537.958.19
120°3.564.945.926.506.867.207.558.158.56
135°3.084.415.426.206.646.977.328.048.73
150°2.533.734.765.646.296.686.997.678.33
Run VMG2.193.234.134.915.626.156.547.157.78
Gybe Angles136.6°147.1°151.9°154.6°163.0°169.6°178.1°178.3°178.1°
APH ToD:615.0CDL: 7.471APH ToT: 0.9757CertNo: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 Allowance0.170%Age Allowance0.650%RS Assessment-0.381%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight550(declared)Minimum weight420 ✱ 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 104.7
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  04140004IKD Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 VMG1568.81117.5929.2830.0782.2763.5753.6747.7753.1
52°1003.7739.5629.7582.9561.3550.1544.6539.2537.7
60°938.6705.5608.6569.2549.7537.9530.9523.8520.2
75°900.1687.2597.0558.5538.6524.2513.0499.0490.7
90°926.9700.9592.8550.1528.6514.8503.9479.2464.4
110°966.1701.4591.8545.6519.8498.0478.1452.9439.5
120°1010.8729.3608.5554.1524.5500.1476.9441.5420.6
135°1167.6815.9664.5581.1542.3516.1491.7447.6412.4
150°1423.2964.5755.7638.0572.6539.0514.7469.1432.0
Run VMG1643.41113.7871.2732.8640.5585.7550.1503.7462.8
Selected Courses
Windward / Leeward1606.11115.6900.2781.4711.3674.6651.8625.7607.9
All purpose1208.6861.4710.8634.5593.2570.2553.8530.4515.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward746.90.8033
All purpose615.00.9757
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7090
Downwind "popa"0.8404
70% up, 30% down "Ilhabela"0.7439
30% up, 70% down "Ilhabela-inverso"0.7961
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Predominantly Upwind661.70.9067
Predominantly Downwind626.30.9579
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP639.90.9377 Predom. Rc High506.01.1857 5B SF Bay L/M822.30.7297 TriNum AP Low786.10.7633 Predom. Dn Low963.60.6227 5B SF Bay Med705.50.8504 TriNum AP Med611.10.9818 Predom. Dn L/M708.80.8464 5B SF Bay M/H643.40.9325 TriNum AP High549.11.0926 Predom. Dn Med603.90.9935 5B SF Bay High616.60.9730 TriNum W/L Low1055.80.5683 Predom. Dn M/H541.51.1080 5B AP Low873.70.6867 TriNum W/L Med741.30.8094 Predom. Dn High505.71.1864 5B AP L/M688.70.8712 TriNum W/L Hig647.70.9263 ChiMac Up Low829.80.7231 5B AP Med602.80.9954 Predom. Upwind688.50.8714 ChiMac Up Med750.40.7996 5B AP M/H555.91.0792 Predom. Reaching615.50.9749 ChiMac Up High659.20.9102 5B AP High531.91.1281 Predom. Downwind655.60.9152 ChiMac Off Low826.70.7258 5B W/L Low1184.40.5066 Predom. Up Low942.80.6364 ChiMac Off Med729.20.8228 5B W/L L/M862.10.6959 Predom. Up L/M722.50.8304 ChiMac Off High614.90.9758 5B W/L Med727.70.8245 Predom. Up Med641.10.9360 ChiMac AP Low824.20.7280 5B W/L M/H656.30.9142 Predom. Up M/H602.00.9967 ChiMac AP Med736.90.8142 5B W/L High627.20.9567 Predom. Up High585.41.0250 ChiMac AP High635.20.9445 W/L 60-40 Low1184.10.5067 Predom. Rc Low849.60.7062 BayMac Cove Island946.70.6337 W/L 60-40 L/M869.80.6898 Predom. Rc L/M650.40.9225 BayMac Shore938.40.6394 W/L 60-40 Med741.50.8091 Predom. Rc Med575.21.0431 Harvest Moon546.41.0980 W/L 60-40 M/H676.40.8871 Predom. Rc M/H532.61.1265 5B SF Bay Low996.30.6022 W/L 60-40 High651.70.9207      SA/DSPL Up22.10SA/DSPL Dn35.80
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance667.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating667.40.8990
FinRating, kevyt tuuli1167.40.8566
FinRating, kova tuuli535.50.9336
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8990
Triple Number Coastal/Long Distance Low0.7633
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.0926
Triple Number Windward/Leeward Low0.5953
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
For information
General Purpose Handicap (GPH)689.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Saronikos S All Purpose696.30.8617
Saronikos S Upwind777.00.7722
Saronikos S Downwind601.80.9969
Saronikos N All Purpose730.80.8210
Saronikos N Upwind809.50.7412
Saronikos N Downwind657.20.9130
Saronikos SW All Purpose704.20.8520
Saronikos SW Upwind798.30.7516
Saronikos SW Downwind613.20.9784
Saronikos NE All Purpose759.60.7898
Saronikos NE Upwind762.90.7864
Saronikos NE Downwind738.10.8129
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose639.90.9377
5-Band All Purpose Low948.60.6325
5-Band All Purpose L/M713.40.8410
5-Band All Purpose Med621.20.9659
5-Band All Purpose M/H571.01.0508
5-Band All Purpose High544.91.1012
Single Number Predominant Upwind660.20.9088
Single Number Predominant Reaching592.01.0135
Single Number Predominant Downwind627.20.9566
5-Band 50-50 Windward/Leeward Low1184.40.5066
5-Band 50-50 Windward/Leeward L/M862.10.6959
5-Band 50-50 Windward/Leeward Med727.70.8245
5-Band 50-50 Windward/Leeward M/H656.30.9142
5-Band 50-50 Windward/Leeward High627.20.9567
5-Band 60-40 Windward/Leeward Low1184.10.5067
5-Band 60-40 Windward/Leeward L/M869.80.6898
5-Band 60-40 Windward/Leeward Med741.50.8091
5-Band 60-40 Windward/Leeward M/H676.40.8871
5-Band 60-40 Windward/Leeward High651.70.9207
Triple Number 50-50 Windward/Leeward Low1055.80.5683
Triple Number 50-50 Windward/Leeward Med741.40.8093
Triple Number 50-50 Windward/Leeward High647.80.9263
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward760.50.7890
Triple Number 60-40 Windward/Leeward Low1058.30.5670
Triple Number 60-40 Windward/Leeward Med754.20.7955
Triple Number 60-40 Windward/Leeward High669.00.8969
Triple Number All-Purpose Low853.70.7028
Triple Number All-Purpose Med630.20.9521
Triple Number All-Purpose High563.61.0645
Triple Number Predominant Upwind Low861.40.6966
Triple Number Predominant Upwind Med651.50.9210
Triple Number Predominant Upwind High602.50.9958
Triple Number Predominant Reaching Low773.20.7760
Triple Number Predominant Reaching Med591.01.0152
Triple Number Predominant Reaching High516.91.1608
Triple Number Predominant Downwind Low859.80.6978
Triple Number Predominant Downwind Med615.20.9753
Triple Number Predominant Downwind High522.21.1490
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low786.1
Triple Number Coastal/Long Distance Medium611.1
Triple Number Coastal/Long Distance High549.1
Triple Number Windward/Leeward Low1007.9
Triple Number Windward/Leeward Medium741.3
Triple Number Windward/Leeward High647.7
Predominantly Upwind661.7
Predominantly Downwind626.3
Predominantly Reaching601.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7633
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.0926
Triple Number Windward/Leeward Low0.5953
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9263
Coastal/Long Distance0.8990
Predominantly Upwind0.9067
Predominantly Downwind0.9579
For information
General Purpose Handicap (GPH)689.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9757
Distanseseilas Trippeltall svak vind0.7633
Distanseseilas Trippeltall mellomvind0.9819
Distanseseilas Trippeltall sterk vind1.0926
Pølsebane Trippeltall svak vind0.5953
Pølsebane Trippeltall mellomvind0.8094
Pølsebane Trippeltall sterk vind0.9263
Motvind Singeltall0.9067
Medvind Singeltall0.9579
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Coastal/Long Distance667.40.8990
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind661.70.9067
Predominantly Downwind626.30.9579
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore613.30.9783
Cape Doctor Coastal519.91.1540
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7633
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.0926
Triple Number Windward/Leeward Low0.5953
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9263
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7633
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.0926
Triple Number Windward/Leeward Low0.5953
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9263
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Predominantly Upwind661.70.9067
Predominantly Downwind626.30.9579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low786.10.7633
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High549.11.0926
Triple Number Windward/Leeward Low1007.90.5953
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High647.70.9263
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1609.81115.4848.4709.4630.6591.0560.1509.2492.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP639.90.9377 Predom. Dn High505.71.1864 5B AP M/H555.91.0792 TriNum AP Low786.10.7633 Predom. Rc Low849.60.7062 5B AP High531.91.1281 TriNum AP Med611.10.9818 Predom. Rc L/M650.40.9225 5B SF Bay Low996.30.6022 TriNum AP High549.11.0926 Predom. Rc Med575.21.0431 5B SF Bay L/M822.30.7297 TriNum W/L Low1055.80.5683 Predom. Rc M/H532.61.1265 5B SF Bay Med705.50.8504 TriNum W/L Med741.30.8094 Predom. Rc High506.01.1857 5B SF Bay M/H643.40.9325 TriNum W/L Hig647.70.9263 5B W/L Low1184.40.5066 5B SF Bay High616.60.9730 Predom. Upwind688.50.8714 5B W/L L/M862.10.6959 ChiMac Up Low829.80.7231 Predom. Reaching615.50.9749 5B W/L Med727.70.8245 ChiMac Up Med750.40.7996 Predom. Downwind655.60.9152 5B W/L M/H656.30.9142 ChiMac Up High659.20.9102 Predom. Up Low942.80.6364 5B W/L High627.20.9567 ChiMac Off Low826.70.7258 Predom. Up L/M722.50.8304 W/L 60-40 Low1184.10.5067 ChiMac Off Med729.20.8228 Predom. Up Med641.10.9360 W/L 60-40 L/M869.80.6898 ChiMac Off High614.90.9758 Predom. Up M/H602.00.9967 W/L 60-40 Med741.50.8091 ChiMac AP Low824.20.7280 Predom. Up High585.41.0250 W/L 60-40 M/H676.40.8871 ChiMac AP Med736.90.8142 Predom. Dn Low963.60.6227 W/L 60-40 High651.70.9207 ChiMac AP High635.20.9445 Predom. Dn L/M708.80.8464 5B AP Low873.70.6867 BayMac Cove Island946.70.6337 Predom. Dn Med603.90.9935 5B AP L/M688.70.8712 BayMac Shore938.40.6394 Predom. Dn M/H541.51.1080 5B AP Med602.80.9954 Harvest Moon546.41.0980      SA/DSPL Up22.10SA/DSPL Dn35.80
ORC Ref  04140004IKD Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 L7.653LSM07.279Accomod. length9.345Sink (kg/mm) 12.70
VCGD0.115VCGM0.057 RM Rated (kg·m) 60.4Limit of positive stability(°) 108.0 Stability Index 104.7 BLR index 0.0000Default crew weight438 Declared crew weight 550
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  04140004IKD Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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  04140004IKD Issued on 22/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org