Club Certificate2026
FeriaFIN-2772
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 Angles46.7°44.2°42.5°41.1°39.8°39.1°39.0°39.6°41.2°
Beat VMG1.952.803.403.844.164.324.384.384.29
52°3.084.305.125.655.966.136.206.256.23
60°3.324.545.365.846.126.296.386.456.46
75°3.484.695.515.996.276.476.626.786.88
90°3.374.615.566.126.446.646.787.097.33
110°3.294.605.556.146.506.817.117.657.94
120°3.114.415.376.026.426.747.087.758.35
135°2.653.884.875.686.186.526.857.578.33
150°2.233.354.325.155.816.246.567.207.90
Run VMG1.932.903.754.505.185.726.136.737.34
Gybe Angles145.1°148.9°153.2°156.8°162.8°170.0°177.2°178.6°177.7°
APH ToD:669.8CDL: 6.504APH ToT: 0.8958CertNo:
BOAT
ClassFinn Express 83DesignerEivind StillBuilderNykraAge date01/1982Series date04/1981Offset fileL5280.BOFData fileFIN2772
HULL
Length Overall8.319 mMaximum Beam2.794 mDraft1.430 mDisplacement2,403 kgDLR7.8272IMS DivisionCruiser/RacerDynamic Allowance0.370%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight360 kg(declared)Minimum weight230 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.8319.16Headsail Luffed16.8416.84Headsail FlyingSymmetric33.3733.37Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.83Storm Jib3.41Heavy Weather Jib9.20
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 36.9 kg·m Stability Index 110.7
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  04140004JFQ Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FeriaFIN-2772
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 VMG1843.31287.21057.9936.8866.4833.4821.6821.5839.9
52°1169.1837.2702.7637.7604.1587.5580.6576.2577.5
60°1085.2793.0672.0616.8588.2572.6564.5558.4556.9
75°1035.7768.2653.7601.1573.7556.3544.2530.6523.6
90°1067.3781.5647.8588.0559.0542.0531.1507.5490.8
110°1095.7782.2648.8586.4553.6528.5506.2470.5453.6
120°1156.3816.2670.1597.9561.1534.2508.8464.3431.3
135°1357.4928.3738.6633.9582.5551.7525.7475.4432.0
150°1611.81074.7833.6699.2619.4576.6548.8500.1455.6
Run VMG1861.21241.0959.6800.9694.7629.5587.1535.1490.6
Selected Courses
Windward / Leeward1852.31264.11008.8868.9780.6731.4704.3678.3665.2
All purpose1393.6972.9791.0696.3642.2611.8593.2568.5553.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward822.70.7293
All purpose669.80.8958
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6340
Downwind "popa"0.7709
70% up, 30% down "Ilhabela"0.6697
30% up, 70% down "Ilhabela-inverso"0.7240
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Predominantly Upwind725.50.8270
Predominantly Downwind681.80.8800
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP698.00.8596 Predom. Rc High539.51.1121 5B SF Bay L/M919.60.6525 TriNum AP Low881.90.6803 Predom. Dn Low1090.20.5504 5B SF Bay Med775.00.7742 TriNum AP Med665.10.9021 Predom. Dn L/M782.20.7671 5B SF Bay M/H696.80.8611 TriNum AP High588.61.0194 Predom. Dn Med653.80.9177 5B SF Bay High669.00.8969 TriNum W/L Low1194.00.5025 Predom. Dn M/H579.21.0359 5B AP Low987.20.6078 TriNum W/L Med816.80.7346 Predom. Dn High539.41.1122 5B AP L/M762.40.7870 TriNum W/L Hig701.30.8555 ChiMac Up Low936.20.6409 5B AP Med654.40.9168 Predom. Upwind758.90.7906 ChiMac Up Med836.70.7171 5B AP M/H596.31.0062 Predom. Reaching671.20.8940 ChiMac Up High723.00.8299 5B AP High570.21.0523 Predom. Downwind717.20.8366 ChiMac Off Low923.50.6497 5B W/L Low1347.30.4453 Predom. Up Low1077.20.5570 ChiMac Off Med805.70.7447 5B W/L L/M963.40.6228 Predom. Up L/M804.70.7456 ChiMac Off High668.30.8978 5B W/L Med799.80.7502 Predom. Up Med699.00.8583 ChiMac AP Low924.70.6489 5B W/L M/H710.90.8440 Predom. Up M/H648.10.9258 ChiMac AP Med817.40.7340 5B W/L High680.60.8816 Predom. Up High631.80.9497 ChiMac AP High693.20.8655 W/L 60-40 Low1351.60.4439 Predom. Rc Low963.20.6229 BayMac Cove Island1070.50.5605 W/L 60-40 L/M974.80.6155 Predom. Rc L/M715.90.8381 BayMac Shore1061.10.5654 W/L 60-40 Med816.80.7346 Predom. Rc Med619.80.9681 Harvest Moon586.21.0236 W/L 60-40 M/H734.20.8172 Predom. Rc M/H567.91.0564 5B SF Bay Low1129.50.5312 W/L 60-40 High709.40.8458      SA/DSPL Up19.83SA/DSPL Dn29.01
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance729.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating729.60.8223
FinRating, kevyt tuuli1329.20.7523
FinRating, kova tuuli573.70.8715
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8223
Triple Number Coastal/Long Distance Low0.6803
Triple Number Coastal/Long Distance Medium0.9022
Triple Number Coastal/Long Distance High1.0194
Triple Number Windward/Leeward Low0.5280
Triple Number Windward/Leeward Medium0.7346
Triple Number Windward/Leeward High0.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
For information
General Purpose Handicap (GPH)756.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Saronikos S All Purpose770.20.7790
Saronikos S Upwind869.60.6900
Saronikos S Downwind654.60.9166
Saronikos N All Purpose811.40.7394
Saronikos N Upwind909.40.6598
Saronikos N Downwind721.90.8312
Saronikos SW All Purpose781.80.7674
Saronikos SW Upwind897.80.6683
Saronikos SW Downwind669.50.8962
Saronikos NE All Purpose847.40.7080
Saronikos NE Upwind853.90.7026
Saronikos NE Downwind820.60.7311
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose698.00.8596
5-Band All Purpose Low1077.80.5567
5-Band All Purpose L/M790.30.7592
5-Band All Purpose Med674.60.8895
5-Band All Purpose M/H612.50.9796
5-Band All Purpose High584.71.0261
Single Number Predominant Upwind723.90.8288
Single Number Predominant Reaching641.90.9348
Single Number Predominant Downwind682.60.8790
5-Band 50-50 Windward/Leeward Low1347.30.4453
5-Band 50-50 Windward/Leeward L/M963.40.6228
5-Band 50-50 Windward/Leeward Med799.80.7502
5-Band 50-50 Windward/Leeward M/H710.90.8440
5-Band 50-50 Windward/Leeward High680.60.8816
5-Band 60-40 Windward/Leeward Low1351.60.4439
5-Band 60-40 Windward/Leeward L/M974.80.6155
5-Band 60-40 Windward/Leeward Med816.80.7346
5-Band 60-40 Windward/Leeward M/H734.20.8172
5-Band 60-40 Windward/Leeward High709.40.8458
Triple Number 50-50 Windward/Leeward Low1194.00.5025
Triple Number 50-50 Windward/Leeward Med816.80.7345
Triple Number 50-50 Windward/Leeward High701.40.8555
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward839.60.7146
Triple Number 60-40 Windward/Leeward Low1200.70.4997
Triple Number 60-40 Windward/Leeward Med833.00.7203
Triple Number 60-40 Windward/Leeward High726.00.8265
Triple Number All-Purpose Low962.10.6236
Triple Number All-Purpose Med686.00.8746
Triple Number All-Purpose High604.30.9928
Triple Number Predominant Upwind Low976.40.6145
Triple Number Predominant Upwind Med713.00.8415
Triple Number Predominant Upwind High648.90.9246
Triple Number Predominant Reaching Low868.50.6908
Triple Number Predominant Reaching Med639.50.9383
Triple Number Predominant Reaching High550.21.0905
Triple Number Predominant Downwind Low965.70.6213
Triple Number Predominant Downwind Med667.10.8994
Triple Number Predominant Downwind High557.41.0765
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low882.0
Triple Number Coastal/Long Distance Medium665.0
Triple Number Coastal/Long Distance High588.6
Triple Number Windward/Leeward Low1136.4
Triple Number Windward/Leeward Medium816.8
Triple Number Windward/Leeward High701.3
Predominantly Upwind725.5
Predominantly Downwind681.8
Predominantly Reaching653.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6803
Triple Number Coastal/Long Distance Medium0.9022
Triple Number Coastal/Long Distance High1.0194
Triple Number Windward/Leeward Low0.5280
Triple Number Windward/Leeward Medium0.7346
Triple Number Windward/Leeward High0.8555
Coastal/Long Distance0.8223
Predominantly Upwind0.8270
Predominantly Downwind0.8800
For information
General Purpose Handicap (GPH)756.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8958
Distanseseilas Trippeltall svak vind0.6803
Distanseseilas Trippeltall mellomvind0.9022
Distanseseilas Trippeltall sterk vind1.0194
Pølsebane Trippeltall svak vind0.5280
Pølsebane Trippeltall mellomvind0.7346
Pølsebane Trippeltall sterk vind0.8555
Motvind Singeltall0.8270
Medvind Singeltall0.8800
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Coastal/Long Distance729.60.8223
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind725.50.8270
Predominantly Downwind681.80.8800
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore669.20.8966
Cape Doctor Coastal558.21.0749
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6803
Triple Number Coastal/Long Distance Medium0.9022
Triple Number Coastal/Long Distance High1.0194
Triple Number Windward/Leeward Low0.5280
Triple Number Windward/Leeward Medium0.7346
Triple Number Windward/Leeward High0.8555
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6803
Triple Number Coastal/Long Distance Medium0.9022
Triple Number Coastal/Long Distance High1.0194
Triple Number Windward/Leeward Low0.5280
Triple Number Windward/Leeward Medium0.7346
Triple Number Windward/Leeward High0.8555
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Predominantly Upwind725.50.8270
Predominantly Downwind681.80.8800
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance729.60.8223
Triple Number Coastal/Long Distance Low882.00.6803
Triple Number Coastal/Long Distance Medium665.00.9022
Triple Number Coastal/Long Distance High588.61.0194
Triple Number Windward/Leeward Low1136.40.5280
Triple Number Windward/Leeward Medium816.80.7346
Triple Number Windward/Leeward High701.30.8555
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1853.21261.8948.2783.6685.3635.0599.7542.9523.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP698.00.8596 Predom. Dn High539.41.1122 5B AP M/H596.31.0062 TriNum AP Low881.90.6803 Predom. Rc Low963.20.6229 5B AP High570.21.0523 TriNum AP Med665.10.9021 Predom. Rc L/M715.90.8381 5B SF Bay Low1129.50.5312 TriNum AP High588.61.0194 Predom. Rc Med619.80.9681 5B SF Bay L/M919.60.6525 TriNum W/L Low1194.00.5025 Predom. Rc M/H567.91.0564 5B SF Bay Med775.00.7742 TriNum W/L Med816.80.7346 Predom. Rc High539.51.1121 5B SF Bay M/H696.80.8611 TriNum W/L Hig701.30.8555 5B W/L Low1347.30.4453 5B SF Bay High669.00.8969 Predom. Upwind758.90.7906 5B W/L L/M963.40.6228 ChiMac Up Low936.20.6409 Predom. Reaching671.20.8940 5B W/L Med799.80.7502 ChiMac Up Med836.70.7171 Predom. Downwind717.20.8366 5B W/L M/H710.90.8440 ChiMac Up High723.00.8299 Predom. Up Low1077.20.5570 5B W/L High680.60.8816 ChiMac Off Low923.50.6497 Predom. Up L/M804.70.7456 W/L 60-40 Low1351.60.4439 ChiMac Off Med805.70.7447 Predom. Up Med699.00.8583 W/L 60-40 L/M974.80.6155 ChiMac Off High668.30.8978 Predom. Up M/H648.10.9258 W/L 60-40 Med816.80.7346 ChiMac AP Low924.70.6489 Predom. Up High631.80.9497 W/L 60-40 M/H734.20.8172 ChiMac AP Med817.40.7340 Predom. Dn Low1090.20.5504 W/L 60-40 High709.40.8458 ChiMac AP High693.20.8655 Predom. Dn L/M782.20.7671 5B AP Low987.20.6078 BayMac Cove Island1070.50.5605 Predom. Dn Med653.80.9177 5B AP L/M762.40.7870 BayMac Shore1061.10.5654 Predom. Dn M/H579.21.0359 5B AP Med654.40.9168 Harvest Moon586.21.0236      SA/DSPL Up19.83SA/DSPL Dn29.01
ORC Ref  04140004JFQ Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FeriaFIN-2772
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFinn Express 83Measurement15/04/2021HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.319Maximum beam2.794Draft1.430Displacement2,403Wetted area14.35IMS L7.067LSM06.745Accomod. length8.319Sink (kg/mm) 10.27
VCGD-0.057VCGM0.035 RM Rated (kg·m) 36.9Limit of positive stability(°) 114.4 Stability Index 110.7 BLR index 0.0000Default crew weight393 Declared crew weight 360
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0014
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P9.245IG8.255ISP8.310MDT10.093MDL10.127MDT2MDL2TLNo TaperMWGO
E3.600J2.682BAS1.195FSDFoilSFJSPL2.800WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/04/2020
SFFP0.506FFM0.957FF0.957LCFcl4.429SG1.0250
SAFP7.893FAM0.842FA0.842LCFsh4.640HBI0.892
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004JFQ Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FeriaFIN-2772
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.671.212.142.9318.83
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.050.500.961.973.044.148.33NoNo 16.8424/04/20252025G30.070.410.771.482.182.868.36NoNo 12.2724/04/20252025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment18.108.108.104.984.8033.37
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length8.3 mTable area0.33 m²Headroom1.40 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity35 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004JFQ Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org