Club Certificate2026
VenlaFIN 2922
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 Angles45.9°43.1°41.2°40.2°39.7°39.5°39.7°40.1°40.9°
Beat VMG2.122.993.604.034.304.424.484.494.42
52°3.324.545.335.876.206.356.426.466.45
60°3.564.775.556.076.376.536.616.676.68
75°3.714.905.716.236.536.726.856.987.05
90°3.594.805.736.336.616.786.967.267.46
110°3.554.905.876.476.817.067.297.567.67
120°3.414.745.736.406.797.087.377.818.01
135°3.024.335.326.106.606.937.247.828.26
150°2.553.754.755.576.236.656.957.548.04
Run VMG2.203.254.124.865.516.066.477.047.58
Gybe Angles143.8°148.0°152.1°155.5°160.3°166.0°174.5°178.1°178.1°
APH ToD:638.1CDL: 7.129APH ToT: 0.9403CertNo:
BOAT
ClassJON 33DesignerJORMA NYMANBuilderJONMERIAge date01/1983Series date01/1981Offset fileL827.BOFData fileFIN2922
HULL
Length Overall10.054 mMaximum Beam3.348 mDraft1.951 mDisplacement6,220 kgDLR13.7447IMS DivisionCruiser/RacerDynamic Allowance0.630%Age Allowance0.650%RS Assessment-0.280%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.480m
CREW
Maximum weight480 kg(declared)Minimum weight350 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.6223.92Headsail Luffed36.4936.49Headsail FlyingSymmetric81.5281.52Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.87Storm Jib9.76Heavy Weather Jib26.35
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 106.5 kg·m Stability Index 112.3
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  04140004R1O Issued on 24/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
VenlaFIN 2922
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 VMG1698.61203.81000.6893.8837.7814.8804.0802.4814.4
52°1084.1792.9675.1612.9581.0566.5560.8557.1558.1
60°1011.6755.3648.4592.8564.8551.0544.7540.0539.1
75°970.6735.3630.9577.6551.2535.8525.7516.0510.9
90°1001.7750.3627.8568.9544.9531.1517.2496.1482.8
110°1014.1734.6613.6556.0528.6509.6494.0476.4469.3
120°1054.4758.9628.6562.1530.5508.4488.3460.7449.3
135°1190.5831.7677.2590.1545.5519.6497.3460.2436.0
150°1414.1959.6757.5645.8578.2541.7518.1477.3447.6
Run VMG1632.91108.1873.0740.2652.8594.3556.5511.0474.9
Selected Courses
Windward / Leeward1665.81155.9936.8817.0745.3704.5680.3656.7644.6
All purpose1267.0901.2743.2659.2613.8588.9572.6553.6544.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward780.20.7690
All purpose638.10.9403
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6607
Downwind "popa"0.8340
70% up, 30% down "Ilhabela"0.7046
30% up, 70% down "Ilhabela-inverso"0.7732
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Predominantly Upwind694.40.8641
Predominantly Downwind642.40.9340
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP664.20.9033 Predom. Rc High524.31.1443 5B SF Bay L/M860.20.6975 TriNum AP Low822.20.7298 Predom. Dn Low989.40.6064 5B SF Bay Med738.00.8130 TriNum AP Med633.60.9470 Predom. Dn L/M727.60.8246 5B SF Bay M/H672.70.8919 TriNum AP High569.51.0535 Predom. Dn Med618.50.9701 5B SF Bay High649.00.9245 TriNum W/L Low1096.30.5473 Predom. Dn M/H554.21.0826 5B AP Low911.70.6581 TriNum W/L Med775.00.7742 Predom. Dn High521.71.1502 5B AP L/M717.80.8359 TriNum W/L Hig677.50.8856 ChiMac Up Low878.70.6828 5B AP Med624.50.9607 Predom. Upwind723.70.8291 ChiMac Up Med791.80.7578 5B AP M/H575.61.0424 Predom. Reaching637.80.9407 ChiMac Up High692.80.8660 5B AP High555.21.0806 Predom. Downwind672.40.8923 ChiMac Off Low848.20.7074 5B W/L Low1228.60.4884 Predom. Up Low1001.80.5989 ChiMac Off Med747.90.8022 5B W/L L/M898.60.6677 Predom. Up L/M762.90.7864 ChiMac Off High631.00.9509 5B W/L Med761.00.7885 Predom. Up Med671.10.8941 ChiMac AP Low859.80.6979 5B W/L M/H685.90.8748 Predom. Up M/H627.70.9558 ChiMac AP Med767.20.7821 5B W/L High658.70.9109 Predom. Up High613.70.9776 ChiMac AP High660.20.9088 W/L 60-40 Low1238.20.4846 Predom. Rc Low891.70.6729 BayMac Cove Island986.90.6080 W/L 60-40 L/M912.60.6575 Predom. Rc L/M676.80.8866 BayMac Shore979.70.6125 W/L 60-40 Med779.60.7697 Predom. Rc Med592.91.0119 Harvest Moon560.71.0701 W/L 60-40 M/H710.40.8446 Predom. Rc M/H547.71.0955 5B SF Bay Low1041.50.5761 W/L 60-40 High687.90.8722      SA/DSPL Up17.67SA/DSPL Dn30.90
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance692.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating692.60.8663
FinRating, kevyt tuuli1211.60.8253
FinRating, kova tuuli559.10.8943
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8663
Triple Number Coastal/Long Distance Low0.7298
Triple Number Coastal/Long Distance Medium0.9471
Triple Number Coastal/Long Distance High1.0535
Triple Number Windward/Leeward Low0.5734
Triple Number Windward/Leeward Medium0.7742
Triple Number Windward/Leeward High0.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
For information
General Purpose Handicap (GPH)716.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Saronikos S All Purpose732.20.8194
Saronikos S Upwind829.40.7234
Saronikos S Downwind614.50.9764
Saronikos N All Purpose767.90.7813
Saronikos N Upwind865.90.6930
Saronikos N Downwind670.60.8948
Saronikos SW All Purpose740.90.8099
Saronikos SW Upwind852.90.7035
Saronikos SW Downwind627.80.9557
Saronikos NE All Purpose796.30.7535
Saronikos NE Upwind813.20.7378
Saronikos NE Downwind757.00.7926
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose664.20.9033
5-Band All Purpose Low991.80.6050
5-Band All Purpose L/M743.30.8072
5-Band All Purpose Med643.70.9321
5-Band All Purpose M/H590.41.0163
5-Band All Purpose High567.01.0581
Single Number Predominant Upwind693.10.8657
Single Number Predominant Reaching612.40.9798
Single Number Predominant Downwind643.00.9331
5-Band 50-50 Windward/Leeward Low1228.60.4884
5-Band 50-50 Windward/Leeward L/M898.60.6677
5-Band 50-50 Windward/Leeward Med761.00.7885
5-Band 50-50 Windward/Leeward M/H685.90.8748
5-Band 50-50 Windward/Leeward High658.70.9109
5-Band 60-40 Windward/Leeward Low1238.20.4846
5-Band 60-40 Windward/Leeward L/M912.60.6575
5-Band 60-40 Windward/Leeward Med779.60.7697
5-Band 60-40 Windward/Leeward M/H710.40.8446
5-Band 60-40 Windward/Leeward High687.90.8722
Triple Number 50-50 Windward/Leeward Low1096.30.5473
Triple Number 50-50 Windward/Leeward Med775.00.7741
Triple Number 50-50 Windward/Leeward High677.50.8856
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward798.90.7510
Triple Number 60-40 Windward/Leeward Low1107.30.5419
Triple Number 60-40 Windward/Leeward Med792.90.7567
Triple Number 60-40 Windward/Leeward High703.20.8532
Triple Number All-Purpose Low891.80.6728
Triple Number All-Purpose Med653.50.9182
Triple Number All-Purpose High583.51.0282
Triple Number Predominant Upwind Low912.40.6576
Triple Number Predominant Upwind Med683.00.8785
Triple Number Predominant Upwind High630.00.9524
Triple Number Predominant Reaching Low809.90.7409
Triple Number Predominant Reaching Med610.80.9823
Triple Number Predominant Reaching High531.71.1285
Triple Number Predominant Downwind Low884.10.6787
Triple Number Predominant Downwind Med629.10.9537
Triple Number Predominant Downwind High533.51.1247
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low822.1
Triple Number Coastal/Long Distance Medium633.5
Triple Number Coastal/Long Distance High569.5
Triple Number Windward/Leeward Low1046.4
Triple Number Windward/Leeward Medium775.0
Triple Number Windward/Leeward High677.5
Predominantly Upwind694.4
Predominantly Downwind642.4
Predominantly Reaching620.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7298
Triple Number Coastal/Long Distance Medium0.9471
Triple Number Coastal/Long Distance High1.0535
Triple Number Windward/Leeward Low0.5734
Triple Number Windward/Leeward Medium0.7742
Triple Number Windward/Leeward High0.8856
Coastal/Long Distance0.8663
Predominantly Upwind0.8641
Predominantly Downwind0.9340
For information
General Purpose Handicap (GPH)716.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9403
Distanseseilas Trippeltall svak vind0.7298
Distanseseilas Trippeltall mellomvind0.9471
Distanseseilas Trippeltall sterk vind1.0535
Pølsebane Trippeltall svak vind0.5734
Pølsebane Trippeltall mellomvind0.7742
Pølsebane Trippeltall sterk vind0.8856
Motvind Singeltall0.8641
Medvind Singeltall0.9340
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Coastal/Long Distance692.60.8663
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind694.40.8641
Predominantly Downwind642.40.9340
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore648.30.9256
Cape Doctor Coastal547.01.0969
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7298
Triple Number Coastal/Long Distance Medium0.9471
Triple Number Coastal/Long Distance High1.0535
Triple Number Windward/Leeward Low0.5734
Triple Number Windward/Leeward Medium0.7742
Triple Number Windward/Leeward High0.8856
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7298
Triple Number Coastal/Long Distance Medium0.9471
Triple Number Coastal/Long Distance High1.0535
Triple Number Windward/Leeward Low0.5734
Triple Number Windward/Leeward Medium0.7742
Triple Number Windward/Leeward High0.8856
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Predominantly Upwind694.40.8641
Predominantly Downwind642.40.9340
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance692.60.8663
Triple Number Coastal/Long Distance Low822.10.7298
Triple Number Coastal/Long Distance Medium633.50.9471
Triple Number Coastal/Long Distance High569.51.0535
Triple Number Windward/Leeward Low1046.40.5734
Triple Number Windward/Leeward Medium775.00.7742
Triple Number Windward/Leeward High677.50.8856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1662.51151.1882.6739.1654.7611.0578.3528.5517.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP664.20.9033 Predom. Dn High521.71.1502 5B AP M/H575.61.0424 TriNum AP Low822.20.7298 Predom. Rc Low891.70.6729 5B AP High555.21.0806 TriNum AP Med633.60.9470 Predom. Rc L/M676.80.8866 5B SF Bay Low1041.50.5761 TriNum AP High569.51.0535 Predom. Rc Med592.91.0119 5B SF Bay L/M860.20.6975 TriNum W/L Low1096.30.5473 Predom. Rc M/H547.71.0955 5B SF Bay Med738.00.8130 TriNum W/L Med775.00.7742 Predom. Rc High524.31.1443 5B SF Bay M/H672.70.8919 TriNum W/L Hig677.50.8856 5B W/L Low1228.60.4884 5B SF Bay High649.00.9245 Predom. Upwind723.70.8291 5B W/L L/M898.60.6677 ChiMac Up Low878.70.6828 Predom. Reaching637.80.9407 5B W/L Med761.00.7885 ChiMac Up Med791.80.7578 Predom. Downwind672.40.8923 5B W/L M/H685.90.8748 ChiMac Up High692.80.8660 Predom. Up Low1001.80.5989 5B W/L High658.70.9109 ChiMac Off Low848.20.7074 Predom. Up L/M762.90.7864 W/L 60-40 Low1238.20.4846 ChiMac Off Med747.90.8022 Predom. Up Med671.10.8941 W/L 60-40 L/M912.60.6575 ChiMac Off High631.00.9509 Predom. Up M/H627.70.9558 W/L 60-40 Med779.60.7697 ChiMac AP Low859.80.6979 Predom. Up High613.70.9776 W/L 60-40 M/H710.40.8446 ChiMac AP Med767.20.7821 Predom. Dn Low989.40.6064 W/L 60-40 High687.90.8722 ChiMac AP High660.20.9088 Predom. Dn L/M727.60.8246 5B AP Low911.70.6581 BayMac Cove Island986.90.6080 Predom. Dn Med618.50.9701 5B AP L/M717.80.8359 BayMac Shore979.70.6125 Predom. Dn M/H554.21.0826 5B AP Med624.50.9607 Harvest Moon560.71.0701      SA/DSPL Up17.67SA/DSPL Dn30.90
ORC Ref  04140004R1O Issued on 24/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
VenlaFIN 2922
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJON 33Measurement26/05/2024HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.054Maximum beam3.348Draft1.951Displacement6,220Wetted area23.03IMS L7.902LSM07.677Accomod. length10.054Sink (kg/mm) 16.20
VCGD0.096VCGM0.116 RM Rated (kg·m) 106.5Limit of positive stability(°) 108.5 Stability Index 112.3 BLR index 0.0000Default crew weight472 Declared crew weight 480
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.480PBW0.100PIPA0.0085
PSD0.030PHD0.079PHL0.143
PSA30.0°ESL0.766
ST10.038ST20.102ST30.102
ST40.060ST50.200
RIG
BackstayAdjustableForestayFixedInner forestayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P12.000IG13.741ISP13.827MDT10.125MDL10.190MDT20.125MDL20.158TL2.065MW0.155GO0.222
E3.270J4.075BAS1.701FSD0.031SFJ0.116SPL4.243WPLTPSBD0.128MWT161.60MCG4.353
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/05/1987
SFFP0.500FFM1.195FF1.212LCFcl5.758SG1.0050
SAFP9.670FAM0.915FA0.928LCFsh5.982HBI1.019
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004R1O Issued on 24/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
VenlaFIN 2922
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.150.691.222.132.8123.6226/05/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.070.741.412.794.225.5812.99NoNo 36.4926/05/2024
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS113.3913.3913.397.257.5381.5226/05/2024VanhaS313.3513.3513.357.107.3479.5226/05/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.1 mTable area0.44 m²Headroom1.71 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity82 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity52 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004R1O Issued on 24/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org