Non Spin/HSFClub Certificate2026
MarinettaFIN-6053
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°43.6°41.3°40.4°40.1°39.8°39.8°40.3°42.3°
Beat VMG2.253.163.784.174.364.444.484.484.33
52°3.554.825.626.076.286.376.426.466.42
60°3.845.085.856.256.456.556.616.676.65
75°4.055.286.026.416.636.776.876.987.02
90°3.965.216.016.436.696.897.067.337.49
110°3.414.755.716.306.656.917.167.698.08
120°3.164.495.466.156.556.837.097.668.20
135°2.663.934.935.726.276.616.887.448.06
150°2.223.354.355.185.866.346.657.187.78
Run VMG1.932.903.794.625.345.956.396.967.52
Gybe Angles144.2°149.6°156.4°180.0°180.0°179.9°180.0°180.0°180.0°
APH ToD:643.5CDL: 7.272APH ToT: 0.9324CertNo:
BOAT
ClassCROWN 31DesignerHKAN SODERGRENBuilderCROWN MARINAge date07/1987Series date07/1987Offset fileINFERNO-31.offData fileL-6053
HULL
Length Overall9.447 mMaximum Beam3.018 mDraft1.615 mDisplacement4,057 kgDLR8.2705IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.377m
CREW
Maximum weight350 kg(declared)Minimum weight220 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.2432.94Headsail Luffed19.7919.79Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.30Storm Jib7.11Heavy Weather Jib19.18
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 71.7 kg·m Stability Index 123.5
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  04140004MKJ Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MarinettaFIN-6053
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 VMG1603.41139.1952.6863.9825.5810.5803.2803.1831.2
52°1014.2746.8641.0593.1573.5565.4560.7556.9560.7
60°938.2708.2615.5575.6557.9549.4544.7540.0541.1
75°888.6682.0597.6561.7543.0531.5523.8515.4512.7
90°909.3690.5599.4559.9538.1522.6510.2491.4480.5
110°1055.7757.3630.7571.1541.5520.9502.5468.3445.4
120°1140.9802.4659.3585.8550.0527.3507.8470.0439.0
135°1352.1916.3730.6629.4574.5544.5523.1483.9446.5
150°1619.21073.3827.7695.5614.3568.2541.1501.5462.7
Run VMG1869.71239.3949.3779.8674.0604.6563.5517.4478.5
Selected Courses
Windward / Leeward1736.51189.2951.0821.8749.8707.5683.4660.3654.9
All purpose1289.3907.8745.6663.5619.9595.1579.3558.6548.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward786.70.7627
All purpose643.50.9324
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6776
Downwind "popa"0.7883
70% up, 30% down "Ilhabela"0.7074
30% up, 70% down "Ilhabela-inverso"0.7515
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Predominantly Upwind688.30.8717
Predominantly Downwind659.90.9092
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP669.60.8961 Predom. Rc High529.51.1332 5B SF Bay L/M868.10.6912 TriNum AP Low826.70.7258 Predom. Dn Low1048.30.5724 5B SF Bay Med743.90.8065 TriNum AP Med638.80.9393 Predom. Dn L/M755.20.7945 5B SF Bay M/H678.90.8837 TriNum AP High575.51.0426 Predom. Dn Med633.80.9467 5B SF Bay High656.20.9144 TriNum W/L Low1123.80.5339 Predom. Dn M/H564.41.0632 5B AP Low927.60.6468 TriNum W/L Med780.00.7692 Predom. Dn High530.61.1308 5B AP L/M722.00.8311 TriNum W/L Hig680.70.8814 ChiMac Up Low860.40.6974 5B AP Med630.10.9523 Predom. Upwind716.60.8373 ChiMac Up Med779.70.7695 5B AP M/H581.91.0311 Predom. Reaching641.80.9349 ChiMac Up High687.30.8730 5B AP High560.51.0706 Predom. Downwind694.80.8636 ChiMac Off Low890.00.6742 5B W/L Low1266.50.4738 Predom. Up Low976.40.6145 ChiMac Off Med778.30.7709 5B W/L L/M910.80.6587 Predom. Up L/M748.40.8017 ChiMac Off High648.40.9253 5B W/L Med765.90.7834 Predom. Up Med666.70.8999 ChiMac AP Low868.90.6906 5B W/L M/H689.10.8707 Predom. Up M/H629.20.9535 ChiMac AP Med774.50.7747 5B W/L High663.30.9045 Predom. Up High617.00.9724 ChiMac AP High665.00.9022 W/L 60-40 Low1254.90.4781 Predom. Rc Low892.90.6719 BayMac Cove Island1006.80.5960 W/L 60-40 L/M914.70.6560 Predom. Rc L/M679.00.8837 BayMac Shore995.30.6028 W/L 60-40 Med780.30.7689 Predom. Rc Med597.31.0045 Harvest Moon568.31.0557 W/L 60-40 M/H712.60.8420 Predom. Rc M/H552.61.0858 5B SF Bay Low1055.50.5685 W/L 60-40 High692.30.8667      SA/DSPL Up20.36SA/DSPL Dn20.36
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance700.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating700.70.8563
FinRating, kevyt tuuli1249.50.8003
FinRating, kova tuuli564.40.8859
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8563
Triple Number Coastal/Long Distance Low0.7258
Triple Number Coastal/Long Distance Medium0.9394
Triple Number Coastal/Long Distance High1.0426
Triple Number Windward/Leeward Low0.5607
Triple Number Windward/Leeward Medium0.7692
Triple Number Windward/Leeward High0.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
For information
General Purpose Handicap (GPH)722.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Saronikos S All Purpose722.60.8303
Saronikos S Upwind797.40.7525
Saronikos S Downwind640.70.9365
Saronikos N All Purpose767.50.7818
Saronikos N Upwind831.50.7216
Saronikos N Downwind709.30.8459
Saronikos SW All Purpose731.50.8202
Saronikos SW Upwind813.20.7378
Saronikos SW Downwind659.30.9101
Saronikos NE All Purpose801.30.7488
Saronikos NE Upwind777.40.7718
Saronikos NE Downwind806.90.7436
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose669.60.8961
5-Band All Purpose Low1004.30.5974
5-Band All Purpose L/M748.10.8020
5-Band All Purpose Med648.20.9257
5-Band All Purpose M/H595.21.0080
5-Band All Purpose High572.41.0482
Single Number Predominant Upwind686.20.8744
Single Number Predominant Reaching615.80.9743
Single Number Predominant Downwind661.40.9072
5-Band 50-50 Windward/Leeward Low1266.50.4738
5-Band 50-50 Windward/Leeward L/M910.80.6587
5-Band 50-50 Windward/Leeward Med765.90.7834
5-Band 50-50 Windward/Leeward M/H689.10.8707
5-Band 50-50 Windward/Leeward High663.30.9045
5-Band 60-40 Windward/Leeward Low1254.90.4781
5-Band 60-40 Windward/Leeward L/M914.70.6560
5-Band 60-40 Windward/Leeward Med780.30.7689
5-Band 60-40 Windward/Leeward M/H712.60.8420
5-Band 60-40 Windward/Leeward High692.30.8667
Triple Number 50-50 Windward/Leeward Low1123.80.5339
Triple Number 50-50 Windward/Leeward Med780.10.7691
Triple Number 50-50 Windward/Leeward High680.70.8814
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward800.40.7496
Triple Number 60-40 Windward/Leeward Low1117.60.5369
Triple Number 60-40 Windward/Leeward Med793.10.7565
Triple Number 60-40 Windward/Leeward High705.60.8503
Triple Number All-Purpose Low900.50.6663
Triple Number All-Purpose Med657.80.9121
Triple Number All-Purpose High588.41.0197
Triple Number Predominant Upwind Low893.50.6716
Triple Number Predominant Upwind Med677.30.8859
Triple Number Predominant Upwind High630.80.9512
Triple Number Predominant Reaching Low810.30.7404
Triple Number Predominant Reaching Med614.40.9765
Triple Number Predominant Reaching High536.81.1178
Triple Number Predominant Downwind Low928.10.6465
Triple Number Predominant Downwind Med647.10.9272
Triple Number Predominant Downwind High544.61.1018
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low826.7
Triple Number Coastal/Long Distance Medium638.7
Triple Number Coastal/Long Distance High575.5
Triple Number Windward/Leeward Low1070.1
Triple Number Windward/Leeward Medium780.0
Triple Number Windward/Leeward High680.7
Predominantly Upwind688.3
Predominantly Downwind659.9
Predominantly Reaching629.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7258
Triple Number Coastal/Long Distance Medium0.9394
Triple Number Coastal/Long Distance High1.0426
Triple Number Windward/Leeward Low0.5607
Triple Number Windward/Leeward Medium0.7692
Triple Number Windward/Leeward High0.8814
Coastal/Long Distance0.8563
Predominantly Upwind0.8717
Predominantly Downwind0.9092
For information
General Purpose Handicap (GPH)722.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9324
Distanseseilas Trippeltall svak vind0.7258
Distanseseilas Trippeltall mellomvind0.9394
Distanseseilas Trippeltall sterk vind1.0426
Pølsebane Trippeltall svak vind0.5607
Pølsebane Trippeltall mellomvind0.7692
Pølsebane Trippeltall sterk vind0.8814
Motvind Singeltall0.8717
Medvind Singeltall0.9092
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Coastal/Long Distance700.70.8563
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind688.30.8717
Predominantly Downwind659.90.9092
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore656.50.9139
Cape Doctor Coastal551.61.0877
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7258
Triple Number Coastal/Long Distance Medium0.9394
Triple Number Coastal/Long Distance High1.0426
Triple Number Windward/Leeward Low0.5607
Triple Number Windward/Leeward Medium0.7692
Triple Number Windward/Leeward High0.8814
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7258
Triple Number Coastal/Long Distance Medium0.9394
Triple Number Coastal/Long Distance High1.0426
Triple Number Windward/Leeward Low0.5607
Triple Number Windward/Leeward Medium0.7692
Triple Number Windward/Leeward High0.8814
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Predominantly Upwind688.30.8717
Predominantly Downwind659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.70.8563
Triple Number Coastal/Long Distance Low826.70.7258
Triple Number Coastal/Long Distance Medium638.70.9394
Triple Number Coastal/Long Distance High575.51.0426
Triple Number Windward/Leeward Low1070.10.5607
Triple Number Windward/Leeward Medium780.00.7692
Triple Number Windward/Leeward High680.70.8814
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1749.81194.2895.9744.5660.9617.2585.2533.0518.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP669.60.8961 Predom. Dn High530.61.1308 5B AP M/H581.91.0311 TriNum AP Low826.70.7258 Predom. Rc Low892.90.6719 5B AP High560.51.0706 TriNum AP Med638.80.9393 Predom. Rc L/M679.00.8837 5B SF Bay Low1055.50.5685 TriNum AP High575.51.0426 Predom. Rc Med597.31.0045 5B SF Bay L/M868.10.6912 TriNum W/L Low1123.80.5339 Predom. Rc M/H552.61.0858 5B SF Bay Med743.90.8065 TriNum W/L Med780.00.7692 Predom. Rc High529.51.1332 5B SF Bay M/H678.90.8837 TriNum W/L Hig680.70.8814 5B W/L Low1266.50.4738 5B SF Bay High656.20.9144 Predom. Upwind716.60.8373 5B W/L L/M910.80.6587 ChiMac Up Low860.40.6974 Predom. Reaching641.80.9349 5B W/L Med765.90.7834 ChiMac Up Med779.70.7695 Predom. Downwind694.80.8636 5B W/L M/H689.10.8707 ChiMac Up High687.30.8730 Predom. Up Low976.40.6145 5B W/L High663.30.9045 ChiMac Off Low890.00.6742 Predom. Up L/M748.40.8017 W/L 60-40 Low1254.90.4781 ChiMac Off Med778.30.7709 Predom. Up Med666.70.8999 W/L 60-40 L/M914.70.6560 ChiMac Off High648.40.9253 Predom. Up M/H629.20.9535 W/L 60-40 Med780.30.7689 ChiMac AP Low868.90.6906 Predom. Up High617.00.9724 W/L 60-40 M/H712.60.8420 ChiMac AP Med774.50.7747 Predom. Dn Low1048.30.5724 W/L 60-40 High692.30.8667 ChiMac AP High665.00.9022 Predom. Dn L/M755.20.7945 5B AP Low927.60.6468 BayMac Cove Island1006.80.5960 Predom. Dn Med633.80.9467 5B AP L/M722.00.8311 BayMac Shore995.30.6028 Predom. Dn M/H564.41.0632 5B AP Med630.10.9523 Harvest Moon568.31.0557      SA/DSPL Up20.36SA/DSPL Dn20.36
ORC Ref  04140004MKJ Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MarinettaFIN-6053
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCROWN 31Measurement06/05/1997HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.447Maximum beam3.018Draft1.615Displacement4,057Wetted area18.92IMS L8.000LSM07.886Accomod. length9.447Sink (kg/mm) 14.06
VCGD-0.059VCGM-0.018 RM Rated (kg·m) 71.7Limit of positive stability(°) 121.9 Stability Index 123.5 BLR index 0.0000Default crew weight491 Declared crew weight 350
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.377PBW0.095PIPA0.0032
EDL0.800ST10.045ST20.170
ST30.170ST40.098ST50.338
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P12.492IG11.842ISP11.894MDT10.115MDL10.170MDT20.112MDL20.131TL1.560MW0.170GO0.193
E4.250J3.560BAS1.599FSD0.044SFJ0.185SPL3.563WPLTPSBD0.125MWT97.50MCG4.622
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered73.1Flotation Date22/05/1994
SFFP0.593FFM1.204FF1.220LCFcl5.443SG1.0030
SAFP8.565FAM0.967FA0.979LCFsh5.650HBI1.065
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004MKJ Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MarinettaFIN-6053
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.911.692.823.6232.24* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG260.090.480.931.732.573.4011.40YesNo 19.7912/04/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity38 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004MKJ Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org