Club Certificate2026
TEMPEREST-188
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
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 Angles46.1°43.3°41.6°40.0°38.3°37.8°37.5°38.0°39.2°
Beat VMG2.163.073.734.214.524.664.734.764.70
52°3.394.685.566.076.356.506.586.666.67
60°3.644.935.786.246.506.666.776.876.91
75°3.825.095.926.386.646.857.027.267.39
90°3.715.066.026.526.817.027.167.587.82
110°3.645.066.036.566.927.267.598.048.31
120°3.484.865.866.466.847.217.598.248.76
135°3.014.345.366.146.606.967.348.098.93
150°2.483.684.725.596.246.656.987.708.43
Run VMG2.153.194.094.885.586.116.527.167.82
Gybe Angles142.2°147.1°151.6°155.0°163.0°170.0°178.1°178.1°178.1°
APH ToD:621.8CDL: 7.227APH ToT: 0.9650CertNo:132/21
BOAT
ClassFINNFLYER 31 LFDesignerEIVIND STILLBuilderPOLAR YACHTAge date01/1983Series date01/1983Offset fileFF31LF.OFFData fileEST188
HULL
Length Overall9.346 mMaximum Beam3.240 mDraft1.750 mDisplacement2,986 kgDLR8.7251IMS DivisionCruiser/RacerDynamic Allowance0.210%Age Allowance0.650%RS Assessment-0.331%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight475 kg(declared)Minimum weight345 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.1826.73Headsail Luffed19.4219.42Headsail FlyingSymmetric48.7048.70Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail7.83Storm Jib5.15Heavy Weather Jib13.91
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 57.6 kg·m Stability Index 107.8
COMMENTS
EX FIN-3133 TEMPTATION
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  04340004SCP Issued on 06/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TEMPEREST-188
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
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 VMG1668.31172.2964.1854.1796.9771.8760.8755.8765.4
52°1063.2769.2647.5592.6567.0553.6546.9540.8539.8
60°989.8730.2622.7576.5554.2540.6532.0524.0520.8
75°943.3707.1608.1564.2541.9525.8512.8495.8487.4
90°969.2711.5598.2552.3529.0512.7502.8474.8460.3
110°987.8711.5597.4548.4520.4495.9474.1447.6433.1
120°1035.2740.6614.6557.4526.2499.5474.5436.9411.0
135°1194.7829.7671.6586.3545.4517.3490.6445.0403.2
150°1450.6978.0763.0643.4576.8541.6515.5467.4427.3
Run VMG1675.01129.3879.9738.4645.4589.0552.3502.6460.2
Selected Courses
Windward / Leeward1671.71150.8922.0796.2721.2680.4656.5629.2612.8
All purpose1257.3885.6725.3643.6598.8572.8555.2530.3514.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward758.50.7910
All purpose621.80.9650
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6913
Downwind "popa"0.8338
70% up, 30% down "Ilhabela"0.7287
30% up, 70% down "Ilhabela-inverso"0.7853
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Predominantly Upwind671.90.8930
Predominantly Downwind632.20.9491
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP647.20.9271 Predom. Rc High504.61.1891 5B SF Bay L/M841.50.7130 TriNum AP Low805.40.7449 Predom. Dn Low985.80.6086 5B SF Bay Med715.70.8384 TriNum AP Med617.80.9711 Predom. Dn L/M718.50.8350 5B SF Bay M/H648.00.9259 TriNum AP High550.21.0904 Predom. Dn Med608.60.9858 5B SF Bay High620.10.9676 TriNum W/L Low1087.30.5518 Predom. Dn M/H542.71.1057 5B AP Low897.60.6685 TriNum W/L Med752.70.7971 Predom. Dn High504.61.1891 5B AP L/M701.40.8554 TriNum W/L Hig652.20.9199 ChiMac Up Low856.00.7009 5B AP Med608.80.9856 Predom. Upwind701.20.8557 ChiMac Up Med769.00.7802 5B AP M/H557.61.0760 Predom. Reaching622.20.9643 ChiMac Up High669.00.8968 5B AP High531.91.1280 Predom. Downwind662.60.9055 ChiMac Off Low842.10.7125 5B W/L Low1223.80.4903 Predom. Up Low979.70.6124 ChiMac Off Med739.90.8110 5B W/L L/M881.70.6805 Predom. Up L/M739.60.8113 ChiMac Off High619.70.9682 5B W/L Med738.20.8127 Predom. Up Med649.40.9240 ChiMac AP Low844.60.7104 5B W/L M/H661.40.9072 Predom. Up M/H605.30.9912 ChiMac AP Med751.30.7986 5B W/L High631.10.9507 Predom. Up High587.71.0209 ChiMac AP High642.30.9341 W/L 60-40 Low1227.90.4887 Predom. Rc Low872.90.6874 BayMac Cove Island974.10.6160 W/L 60-40 L/M891.60.6729 Predom. Rc L/M659.80.9094 BayMac Shore965.70.6213 W/L 60-40 Med753.20.7966 Predom. Rc Med579.21.0360 Harvest Moon548.51.0938 W/L 60-40 M/H682.10.8797 Predom. Rc M/H533.11.1255 5B SF Bay Low1027.80.5838 W/L 60-40 High656.60.9139      SA/DSPL Up21.92SA/DSPL Dn35.98
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance675.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating675.90.8877
FinRating, kevyt tuuli1206.20.8291
FinRating, kova tuuli535.40.9338
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8877
Triple Number Coastal/Long Distance Low0.7449
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0904
Triple Number Windward/Leeward Low0.5789
Triple Number Windward/Leeward Medium0.7971
Triple Number Windward/Leeward High0.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
For information
General Purpose Handicap (GPH)699.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Saronikos S All Purpose710.30.8447
Saronikos S Upwind798.90.7510
Saronikos S Downwind605.60.9908
Saronikos N All Purpose746.00.8043
Saronikos N Upwind834.30.7191
Saronikos N Downwind663.70.9040
Saronikos SW All Purpose719.70.8337
Saronikos SW Upwind823.70.7284
Saronikos SW Downwind617.50.9717
Saronikos NE All Purpose776.10.7731
Saronikos NE Upwind784.80.7646
Saronikos NE Downwind747.70.8024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose647.20.9271
5-Band All Purpose Low977.80.6136
5-Band All Purpose L/M726.50.8259
5-Band All Purpose Med627.50.9562
5-Band All Purpose M/H573.11.0470
5-Band All Purpose High545.31.1002
Single Number Predominant Upwind670.50.8948
Single Number Predominant Reaching597.21.0047
Single Number Predominant Downwind633.00.9479
5-Band 50-50 Windward/Leeward Low1223.80.4903
5-Band 50-50 Windward/Leeward L/M881.70.6805
5-Band 50-50 Windward/Leeward Med738.20.8127
5-Band 50-50 Windward/Leeward M/H661.40.9072
5-Band 50-50 Windward/Leeward High631.10.9507
5-Band 60-40 Windward/Leeward Low1227.90.4887
5-Band 60-40 Windward/Leeward L/M891.60.6729
5-Band 60-40 Windward/Leeward Med753.20.7966
5-Band 60-40 Windward/Leeward M/H682.10.8797
5-Band 60-40 Windward/Leeward High656.60.9139
Triple Number 50-50 Windward/Leeward Low1087.30.5518
Triple Number 50-50 Windward/Leeward Med752.80.7970
Triple Number 50-50 Windward/Leeward High652.30.9199
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward773.50.7757
Triple Number 60-40 Windward/Leeward Low1093.30.5488
Triple Number 60-40 Windward/Leeward Med767.00.7822
Triple Number 60-40 Windward/Leeward High674.10.8900
Triple Number All-Purpose Low876.20.6847
Triple Number All-Purpose Med637.20.9417
Triple Number All-Purpose High565.21.0617
Triple Number Predominant Upwind Low890.30.6739
Triple Number Predominant Upwind Med661.00.9077
Triple Number Predominant Upwind High605.60.9908
Triple Number Predominant Reaching Low791.10.7584
Triple Number Predominant Reaching Med596.11.0065
Triple Number Predominant Reaching High516.41.1619
Triple Number Predominant Downwind Low877.30.6839
Triple Number Predominant Downwind Med620.10.9676
Triple Number Predominant Downwind High522.51.1484
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low805.5
Triple Number Coastal/Long Distance Medium617.8
Triple Number Coastal/Long Distance High550.3
Triple Number Windward/Leeward Low1036.4
Triple Number Windward/Leeward Medium752.7
Triple Number Windward/Leeward High652.2
Predominantly Upwind671.9
Predominantly Downwind632.2
Predominantly Reaching607.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7449
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0904
Triple Number Windward/Leeward Low0.5789
Triple Number Windward/Leeward Medium0.7971
Triple Number Windward/Leeward High0.9199
Coastal/Long Distance0.8877
Predominantly Upwind0.8930
Predominantly Downwind0.9491
For information
General Purpose Handicap (GPH)699.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9650
Distanseseilas Trippeltall svak vind0.7449
Distanseseilas Trippeltall mellomvind0.9712
Distanseseilas Trippeltall sterk vind1.0904
Pølsebane Trippeltall svak vind0.5789
Pølsebane Trippeltall mellomvind0.7971
Pølsebane Trippeltall sterk vind0.9199
Motvind Singeltall0.8930
Medvind Singeltall0.9491
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Coastal/Long Distance675.90.8877
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind671.90.8930
Predominantly Downwind632.20.9491
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore617.70.9713
Cape Doctor Coastal519.51.1549
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7449
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0904
Triple Number Windward/Leeward Low0.5789
Triple Number Windward/Leeward Medium0.7971
Triple Number Windward/Leeward High0.9199
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7449
Triple Number Coastal/Long Distance Medium0.9712
Triple Number Coastal/Long Distance High1.0904
Triple Number Windward/Leeward Low0.5789
Triple Number Windward/Leeward Medium0.7971
Triple Number Windward/Leeward High0.9199
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Predominantly Upwind671.90.8930
Predominantly Downwind632.20.9491
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.90.8877
Triple Number Coastal/Long Distance Low805.50.7449
Triple Number Coastal/Long Distance Medium617.80.9712
Triple Number Coastal/Long Distance High550.31.0904
Triple Number Windward/Leeward Low1036.40.5789
Triple Number Windward/Leeward Medium752.70.7971
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.01148.6867.5721.2637.4593.9561.4507.8490.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP647.20.9271 Predom. Dn High504.61.1891 5B AP M/H557.61.0760 TriNum AP Low805.40.7449 Predom. Rc Low872.90.6874 5B AP High531.91.1280 TriNum AP Med617.80.9711 Predom. Rc L/M659.80.9094 5B SF Bay Low1027.80.5838 TriNum AP High550.21.0904 Predom. Rc Med579.21.0360 5B SF Bay L/M841.50.7130 TriNum W/L Low1087.30.5518 Predom. Rc M/H533.11.1255 5B SF Bay Med715.70.8384 TriNum W/L Med752.70.7971 Predom. Rc High504.61.1891 5B SF Bay M/H648.00.9259 TriNum W/L Hig652.20.9199 5B W/L Low1223.80.4903 5B SF Bay High620.10.9676 Predom. Upwind701.20.8557 5B W/L L/M881.70.6805 ChiMac Up Low856.00.7009 Predom. Reaching622.20.9643 5B W/L Med738.20.8127 ChiMac Up Med769.00.7802 Predom. Downwind662.60.9055 5B W/L M/H661.40.9072 ChiMac Up High669.00.8968 Predom. Up Low979.70.6124 5B W/L High631.10.9507 ChiMac Off Low842.10.7125 Predom. Up L/M739.60.8113 W/L 60-40 Low1227.90.4887 ChiMac Off Med739.90.8110 Predom. Up Med649.40.9240 W/L 60-40 L/M891.60.6729 ChiMac Off High619.70.9682 Predom. Up M/H605.30.9912 W/L 60-40 Med753.20.7966 ChiMac AP Low844.60.7104 Predom. Up High587.71.0209 W/L 60-40 M/H682.10.8797 ChiMac AP Med751.30.7986 Predom. Dn Low985.80.6086 W/L 60-40 High656.60.9139 ChiMac AP High642.30.9341 Predom. Dn L/M718.50.8350 5B AP Low897.60.6685 BayMac Cove Island974.10.6160 Predom. Dn Med608.60.9858 5B AP L/M701.40.8554 BayMac Shore965.70.6213 Predom. Dn M/H542.71.1057 5B AP Med608.80.9856 Harvest Moon548.51.0938      SA/DSPL Up21.92SA/DSPL Dn35.98
ORC Ref  04340004SCP Issued on 06/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TEMPEREST-188
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFINNFLYER 31 LFMeasurement31/05/1988HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.346Maximum beam3.240Draft1.750Displacement2,986Wetted area16.54IMS L7.432LSM06.994Accomod. length9.345Sink (kg/mm) 12.04
VCGD0.000VCGM-0.013 RM Rated (kg·m) 57.6Limit of positive stability(°) 113.8 Stability Index 107.8 BLR index 0.0000Default crew weight413 Declared crew weight 475
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0042
PSD0.030PHD0.065PHL0.140
PSA23.0°ESL0.880
ST10.020ST20.080ST30.080
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders2Rotating mastNo
P10.900IG10.119ISP10.159MDT10.115MDL10.135MDT20.080MDL20.090TL2.000MW0.136GO0.145
E4.100J3.100BAS1.359FSD0.030SFJSPL3.180WPLTPSBD0.110MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.000Flotation Date16/06/2020
SFFP0.616FFM1.099FF1.099LCFcl5.041SG1.0243
SAFP8.279FAM0.815FA0.815LCFsh5.290HBI0.959
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04340004SCP Issued on 06/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TEMPEREST-188
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.180.841.512.583.3826.18
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.470.921.912.974.079.85NoNo 19.42* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment110.3010.3010.305.735.4548.70
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  04340004SCP Issued on 06/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org