Club Certificate2026
HieprukkaFIN612
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 Angles46.1°43.0°40.5°39.8°39.4°39.3°39.3°39.6°40.8°
Beat VMG2.233.133.744.074.224.294.324.354.29
52°3.504.745.505.906.076.156.216.276.24
60°3.764.975.716.106.286.366.416.496.49
75°3.935.135.866.276.496.616.686.816.88
90°3.815.035.846.326.606.796.937.157.34
110°3.494.875.836.406.726.957.107.367.58
120°3.364.715.716.356.737.037.317.697.92
135°2.964.275.266.056.556.907.247.898.45
150°2.463.654.665.516.176.606.927.608.24
Run VMG2.133.164.044.795.476.006.427.047.66
Gybe Angles143.5°147.5°151.6°153.9°161.0°166.2°174.5°178.1°177.9°
APH ToD:642.8CDL: 6.848APH ToT: 0.9334CertNo:
BOAT
ClassBotnia 6DesignerG.L.StenbackBuilderSarinAge date01/1975Series date10/1970Offset fileBotnia6CL.offData fileFIN612
HULL
Length Overall10.500 mMaximum Beam2.300 mDraft1.600 mDisplacement3,700 kgDLR10.6579IMS DivisionCruiser/RacerDynamic Allowance0.360%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameter0.200m
CREW
Maximum weight420 kg(declared)Minimum weight290 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.3523.00Headsail Luffed29.2129.21Headsail FlyingSymmetric53.3253.32Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.38Storm Jib5.52Heavy Weather Jib14.89
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 33.8 kg·m Stability Index 150.5
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  04140004VK4 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HieprukkaFIN612
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 VMG1617.31151.3962.5884.5854.0839.4833.4827.4838.9
52°1029.2759.5654.3610.1592.6585.2580.0574.1577.1
60°958.1723.8630.9590.6573.7566.0561.2554.6554.4
75°915.5701.5614.6574.4554.7545.0538.8528.9523.3
90°945.9715.9616.4569.9545.3530.2519.5503.8490.6
110°1030.1738.9617.2562.8535.7518.4507.1488.9474.7
120°1072.7765.1630.6566.9534.5512.2492.8468.4454.7
135°1217.8843.6684.5594.9549.6521.7497.2456.3426.1
150°1462.5986.2772.8653.3583.7545.6520.1473.7436.9
Run VMG1688.81138.7891.1750.8658.3600.0560.9511.7470.1
Selected Courses
Windward / Leeward1653.11145.0926.8817.7756.1719.7697.1669.5654.5
All purpose1247.7886.8734.3660.1621.4599.5584.9564.0552.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward787.40.7620
All purpose642.80.9334
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6611
Downwind "popa"0.8217
70% up, 30% down "Ilhabela"0.7023
30% up, 70% down "Ilhabela-inverso"0.7659
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Predominantly Upwind697.30.8605
Predominantly Downwind646.10.9286
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP668.50.8975 Predom. Rc High531.01.1300 5B SF Bay L/M855.00.7018 TriNum AP Low810.50.7403 Predom. Dn Low991.70.6050 5B SF Bay Med746.10.8042 TriNum AP Med638.30.9400 Predom. Dn L/M730.50.8213 5B SF Bay M/H687.70.8724 TriNum AP High580.71.0332 Predom. Dn Med623.80.9619 5B SF Bay High661.70.9068 TriNum W/L Low1086.70.5521 Predom. Dn M/H560.01.0714 5B AP Low901.60.6655 TriNum W/L Med781.80.7675 Predom. Dn High525.31.1421 5B AP L/M713.90.8404 TriNum W/L Hig692.40.8665 ChiMac Up Low861.00.6968 5B AP Med630.50.9516 Predom. Upwind724.80.8279 ChiMac Up Med784.90.7645 5B AP M/H586.91.0223 Predom. Reaching638.20.9402 ChiMac Up High696.60.8613 5B AP High565.51.0609 Predom. Downwind676.90.8864 ChiMac Off Low851.60.7045 5B W/L Low1217.50.4928 Predom. Up Low971.00.6179 ChiMac Off Med752.20.7977 5B W/L L/M895.30.6702 Predom. Up L/M752.60.7972 ChiMac Off High635.30.9444 5B W/L Med769.60.7797 Predom. Up Med678.00.8850 ChiMac AP Low852.00.7042 5B W/L M/H701.20.8556 Predom. Up M/H643.10.9329 ChiMac AP Med765.40.7839 5B W/L High671.70.8932 Predom. Up High628.50.9546 ChiMac AP High664.00.9036 W/L 60-40 Low1218.10.4926 Predom. Rc Low874.60.6860 BayMac Cove Island979.90.6123 W/L 60-40 L/M905.60.6625 Predom. Rc L/M672.70.8919 BayMac Shore971.30.6177 W/L 60-40 Med788.40.7610 Predom. Rc Med596.71.0056 Harvest Moon563.71.0644 W/L 60-40 M/H728.00.8242 Predom. Rc M/H554.41.0823 5B SF Bay Low1026.00.5848 W/L 60-40 High703.50.8529      SA/DSPL Up21.46SA/DSPL Dn31.49
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance697.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating697.50.8602
FinRating, kevyt tuuli1201.00.8326
FinRating, kova tuuli568.70.8791
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8602
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9401
Triple Number Coastal/Long Distance High1.0332
Triple Number Windward/Leeward Low0.5792
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
For information
General Purpose Handicap (GPH)718.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Saronikos S All Purpose726.40.8260
Saronikos S Upwind815.40.7359
Saronikos S Downwind619.70.9682
Saronikos N All Purpose765.80.7835
Saronikos N Upwind848.70.7069
Saronikos N Downwind678.40.8844
Saronikos SW All Purpose730.00.8219
Saronikos SW Upwind829.50.7234
Saronikos SW Downwind633.60.9470
Saronikos NE All Purpose794.20.7555
Saronikos NE Upwind795.80.7539
Saronikos NE Downwind767.90.7813
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose668.50.8975
5-Band All Purpose Low976.30.6146
5-Band All Purpose L/M739.30.8116
5-Band All Purpose Med649.50.9238
5-Band All Purpose M/H600.60.9989
5-Band All Purpose High576.31.0411
Single Number Predominant Upwind695.40.8628
Single Number Predominant Reaching613.80.9775
Single Number Predominant Downwind647.40.9268
5-Band 50-50 Windward/Leeward Low1217.50.4928
5-Band 50-50 Windward/Leeward L/M895.30.6702
5-Band 50-50 Windward/Leeward Med769.60.7797
5-Band 50-50 Windward/Leeward M/H701.20.8556
5-Band 50-50 Windward/Leeward High671.70.8932
5-Band 60-40 Windward/Leeward Low1218.10.4926
5-Band 60-40 Windward/Leeward L/M905.60.6625
5-Band 60-40 Windward/Leeward Med788.40.7610
5-Band 60-40 Windward/Leeward M/H728.00.8242
5-Band 60-40 Windward/Leeward High703.50.8529
Triple Number 50-50 Windward/Leeward Low1086.70.5521
Triple Number 50-50 Windward/Leeward Med781.90.7674
Triple Number 50-50 Windward/Leeward High692.40.8665
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward805.90.7445
Triple Number 60-40 Windward/Leeward Low1090.40.5502
Triple Number 60-40 Windward/Leeward Med799.40.7505
Triple Number 60-40 Windward/Leeward High720.50.8328
Triple Number All-Purpose Low879.60.6821
Triple Number All-Purpose Med658.00.9118
Triple Number All-Purpose High593.71.0107
Triple Number Predominant Upwind Low889.10.6748
Triple Number Predominant Upwind Med687.20.8731
Triple Number Predominant Upwind High646.40.9282
Triple Number Predominant Reaching Low796.90.7529
Triple Number Predominant Reaching Med614.10.9770
Triple Number Predominant Reaching High537.91.1154
Triple Number Predominant Downwind Low885.00.6780
Triple Number Predominant Downwind Med634.40.9458
Triple Number Predominant Downwind High537.81.1157
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low810.5
Triple Number Coastal/Long Distance Medium638.2
Triple Number Coastal/Long Distance High580.7
Triple Number Windward/Leeward Low1035.9
Triple Number Windward/Leeward Medium781.8
Triple Number Windward/Leeward High692.4
Predominantly Upwind697.3
Predominantly Downwind646.1
Predominantly Reaching622.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9401
Triple Number Coastal/Long Distance High1.0332
Triple Number Windward/Leeward Low0.5792
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8665
Coastal/Long Distance0.8602
Predominantly Upwind0.8605
Predominantly Downwind0.9286
For information
General Purpose Handicap (GPH)718.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9334
Distanseseilas Trippeltall svak vind0.7403
Distanseseilas Trippeltall mellomvind0.9401
Distanseseilas Trippeltall sterk vind1.0332
Pølsebane Trippeltall svak vind0.5792
Pølsebane Trippeltall mellomvind0.7675
Pølsebane Trippeltall sterk vind0.8665
Motvind Singeltall0.8605
Medvind Singeltall0.9286
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Coastal/Long Distance697.50.8602
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind697.30.8605
Predominantly Downwind646.10.9286
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore659.00.9104
Cape Doctor Coastal555.61.0799
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9401
Triple Number Coastal/Long Distance High1.0332
Triple Number Windward/Leeward Low0.5792
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8665
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9401
Triple Number Coastal/Long Distance High1.0332
Triple Number Windward/Leeward Low0.5792
Triple Number Windward/Leeward Medium0.7675
Triple Number Windward/Leeward High0.8665
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Predominantly Upwind697.30.8605
Predominantly Downwind646.10.9286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.50.8602
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium638.20.9401
Triple Number Coastal/Long Distance High580.71.0332
Triple Number Windward/Leeward Low1035.90.5792
Triple Number Windward/Leeward Medium781.80.7675
Triple Number Windward/Leeward High692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1656.61144.4874.0739.9663.3621.7589.5537.8525.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP668.50.8975 Predom. Dn High525.31.1421 5B AP M/H586.91.0223 TriNum AP Low810.50.7403 Predom. Rc Low874.60.6860 5B AP High565.51.0609 TriNum AP Med638.30.9400 Predom. Rc L/M672.70.8919 5B SF Bay Low1026.00.5848 TriNum AP High580.71.0332 Predom. Rc Med596.71.0056 5B SF Bay L/M855.00.7018 TriNum W/L Low1086.70.5521 Predom. Rc M/H554.41.0823 5B SF Bay Med746.10.8042 TriNum W/L Med781.80.7675 Predom. Rc High531.01.1300 5B SF Bay M/H687.70.8724 TriNum W/L Hig692.40.8665 5B W/L Low1217.50.4928 5B SF Bay High661.70.9068 Predom. Upwind724.80.8279 5B W/L L/M895.30.6702 ChiMac Up Low861.00.6968 Predom. Reaching638.20.9402 5B W/L Med769.60.7797 ChiMac Up Med784.90.7645 Predom. Downwind676.90.8864 5B W/L M/H701.20.8556 ChiMac Up High696.60.8613 Predom. Up Low971.00.6179 5B W/L High671.70.8932 ChiMac Off Low851.60.7045 Predom. Up L/M752.60.7972 W/L 60-40 Low1218.10.4926 ChiMac Off Med752.20.7977 Predom. Up Med678.00.8850 W/L 60-40 L/M905.60.6625 ChiMac Off High635.30.9444 Predom. Up M/H643.10.9329 W/L 60-40 Med788.40.7610 ChiMac AP Low852.00.7042 Predom. Up High628.50.9546 W/L 60-40 M/H728.00.8242 ChiMac AP Med765.40.7839 Predom. Dn Low991.70.6050 W/L 60-40 High703.50.8529 ChiMac AP High664.00.9036 Predom. Dn L/M730.50.8213 5B AP Low901.60.6655 BayMac Cove Island979.90.6123 Predom. Dn Med623.80.9619 5B AP L/M713.90.8404 BayMac Shore971.30.6177 Predom. Dn M/H560.01.0714 5B AP Med630.50.9516 Harvest Moon563.71.0644      SA/DSPL Up21.46SA/DSPL Dn31.49
ORC Ref  04140004VK4 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HieprukkaFIN612
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBotnia 6MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.500Maximum beam2.300Draft1.600Displacement3,700Wetted area17.74IMS L7.582LSM07.027Accomod. length7.475Sink (kg/mm) 10.22
VCGD-0.339VCGM-0.236 RM Rated (kg·m) 33.8Limit of positive stability(°) 146.2 Stability Index 150.5 BLR index 0.0000Default crew weight416 Declared crew weight 420
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.200PBWPIPA0.0019
APHAPTAPB
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P9.670IG10.500ISP10.510MDT10.100MDL10.150MDT2MDL2TLTaperMWGO
E3.770J3.470BAS0.700FSDNo FoilSFJ0.250SPL3.470WPLTPS0.000BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/03/2020
SFFP0.567FFMFF1.269LCFcl5.560SG
SAFP9.449FAMFA0.668LCFsh5.693HBI0.948
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004VK4 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HieprukkaFIN612
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.250.871.512.533.2022.35
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment15.4510.53NoNo 29.21
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.3911.3911.395.4653.32
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length7.5 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity15 lMinimum number of seats in cockpit2Food stowage0.12 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  04140004VK4 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org