Non Spin/HSFClub 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 VMG2.233.133.744.074.214.294.324.354.29
52°3.504.745.505.906.076.166.216.276.23
60°3.764.975.716.096.276.356.416.496.49
75°3.935.135.866.276.496.606.686.816.88
90°3.815.035.846.326.606.796.937.147.34
110°3.264.525.496.166.576.857.097.497.69
120°3.014.315.296.016.496.807.087.627.99
135°2.603.844.825.616.196.586.877.478.01
150°2.183.274.235.035.716.226.587.147.72
Run VMG1.892.833.674.405.065.666.156.797.32
Gybe Angles142.4°146.2°151.4°157.4°164.9°174.5°178.1°179.5°179.2°
APH ToD:660.3CDL: 6.845APH ToT: 0.9087CertNo:
BOAT
ClassBotnia 6DesignerG.L.StenbackBuilderSarinAge date01/1975Series date10/1970Offset fileBotnia6CL.offData fileFIN612
HULL
Length Overall10.500 mMaximum Beam2.300 mDraft1.600 mDisplacement3,700 kgDLR10.6580IMS 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 FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.38Storm Jib5.52Heavy Weather Jib14.89
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 33.7 kg·m Stability Index 150.4
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  04140004W29 Issued on 04/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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 VMG1616.61150.9962.4884.7854.4839.8833.8828.0839.7
52°1028.8759.3654.2610.2592.8584.5580.2574.4577.5
60°957.8723.6630.8590.7573.8566.9561.4554.8554.7
75°915.2701.3614.5574.4554.8545.1538.9529.0523.5
90°945.5715.7616.3569.9545.3530.3519.6503.9490.8
110°1104.0796.2655.5584.2547.8525.6508.0480.9468.4
120°1194.8834.6680.6598.6554.8529.1508.5472.5450.4
135°1382.7937.9747.2641.8582.0547.4524.0481.7449.4
150°1653.91101.9850.8715.1630.2578.5546.8504.5466.6
Run VMG1909.71272.4981.3818.5711.0635.8585.7530.4491.7
Selected Courses
Windward / Leeward1763.11211.6971.9851.6782.7737.8709.8679.2665.7
All purpose1318.2929.9763.5681.2637.0610.7593.9571.2559.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward815.40.7358
All purpose660.30.9087
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6610
Downwind "popa"0.7588
70% up, 30% down "Ilhabela"0.6876
30% up, 70% down "Ilhabela-inverso"0.7265
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Predominantly Upwind707.10.8485
Predominantly Downwind678.30.8845
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP687.50.8727 Predom. Rc High539.81.1115 5B SF Bay L/M890.40.6739 TriNum AP Low846.70.7086 Predom. Dn Low1073.30.5590 5B SF Bay Med769.20.7801 TriNum AP Med655.80.9150 Predom. Dn L/M776.60.7726 5B SF Bay M/H701.10.8558 TriNum AP High589.61.0177 Predom. Dn Med653.00.9189 5B SF Bay High672.50.8922 TriNum W/L Low1146.90.5232 Predom. Dn M/H578.11.0378 5B AP Low952.30.6301 TriNum W/L Med810.20.7406 Predom. Dn High540.51.1101 5B AP L/M740.30.8105 TriNum W/L Hig705.30.8507 ChiMac Up Low878.30.6832 5B AP Med646.80.9276 Predom. Upwind735.10.8162 ChiMac Up Med798.20.7517 5B AP M/H596.51.0059 Predom. Reaching656.50.9140 ChiMac Up High705.50.8505 5B AP High573.01.0471 Predom. Downwind713.50.8409 ChiMac Off Low913.50.6568 5B W/L Low1289.60.4653 Predom. Up Low993.70.6038 ChiMac Off Med799.70.7503 5B W/L L/M936.80.6404 Predom. Up L/M765.60.7837 ChiMac Off High666.30.9005 5B W/L Med796.30.7535 Predom. Up Med686.30.8743 ChiMac AP Low889.70.6744 5B W/L M/H715.50.8386 Predom. Up M/H648.50.9252 ChiMac AP Med794.40.7553 5B W/L High682.10.8796 Predom. Up High633.20.9475 ChiMac AP High683.00.8785 W/L 60-40 Low1275.70.4703 Predom. Rc Low915.20.6556 BayMac Cove Island1029.80.5827 W/L 60-40 L/M938.80.6391 Predom. Rc L/M695.40.8628 BayMac Shore1018.20.5893 W/L 60-40 Med809.80.7409 Predom. Rc Med611.00.9821 Harvest Moon578.41.0373 W/L 60-40 M/H739.50.8114 Predom. Rc M/H564.21.0635 5B SF Bay Low1076.00.5576 W/L 60-40 High711.90.8428      SA/DSPL Up21.46SA/DSPL Dn21.46
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance719.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating719.60.8338
FinRating, kevyt tuuli1273.90.7850
FinRating, kova tuuli576.20.8677
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8338
Triple Number Coastal/Long Distance Low0.7086
Triple Number Coastal/Long Distance Medium0.9151
Triple Number Coastal/Long Distance High1.0177
Triple Number Windward/Leeward Low0.5496
Triple Number Windward/Leeward Medium0.7406
Triple Number Windward/Leeward High0.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
For information
General Purpose Handicap (GPH)740.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Saronikos S All Purpose740.80.8099
Saronikos S Upwind815.40.7359
Saronikos S Downwind660.30.9087
Saronikos N All Purpose786.30.7631
Saronikos N Upwind848.70.7069
Saronikos N Downwind730.30.8216
Saronikos SW All Purpose746.70.8035
Saronikos SW Upwind829.40.7235
Saronikos SW Downwind676.80.8865
Saronikos NE All Purpose822.50.7295
Saronikos NE Upwind795.80.7540
Saronikos NE Downwind832.90.7204
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose687.50.8727
5-Band All Purpose Low1025.90.5849
5-Band All Purpose L/M767.30.7819
5-Band All Purpose Med667.30.8991
5-Band All Purpose M/H611.70.9809
5-Band All Purpose High585.61.0246
Single Number Predominant Upwind704.70.8514
Single Number Predominant Reaching630.00.9524
Single Number Predominant Downwind680.10.8822
5-Band 50-50 Windward/Leeward Low1289.60.4653
5-Band 50-50 Windward/Leeward L/M936.80.6404
5-Band 50-50 Windward/Leeward Med796.30.7535
5-Band 50-50 Windward/Leeward M/H715.50.8386
5-Band 50-50 Windward/Leeward High682.10.8796
5-Band 60-40 Windward/Leeward Low1275.70.4703
5-Band 60-40 Windward/Leeward L/M938.80.6391
5-Band 60-40 Windward/Leeward Med809.80.7409
5-Band 60-40 Windward/Leeward M/H739.50.8114
5-Band 60-40 Windward/Leeward High711.90.8428
Triple Number 50-50 Windward/Leeward Low1146.90.5232
Triple Number 50-50 Windward/Leeward Med810.30.7405
Triple Number 50-50 Windward/Leeward High705.30.8507
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward828.30.7244
Triple Number 60-40 Windward/Leeward Low1138.50.5270
Triple Number 60-40 Windward/Leeward Med822.20.7297
Triple Number 60-40 Windward/Leeward High730.90.8209
Triple Number All-Purpose Low920.70.6517
Triple Number All-Purpose Med677.00.8862
Triple Number All-Purpose High604.00.9934
Triple Number Predominant Upwind Low910.70.6588
Triple Number Predominant Upwind Med696.40.8616
Triple Number Predominant Upwind High649.90.9233
Triple Number Predominant Reaching Low830.20.7227
Triple Number Predominant Reaching Med629.30.9535
Triple Number Predominant Reaching High547.01.0968
Triple Number Predominant Downwind Low951.10.6309
Triple Number Predominant Downwind Med667.50.8989
Triple Number Predominant Downwind High556.41.0784
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low846.7
Triple Number Coastal/Long Distance Medium655.7
Triple Number Coastal/Long Distance High589.6
Triple Number Windward/Leeward Low1091.7
Triple Number Windward/Leeward Medium810.2
Triple Number Windward/Leeward High705.3
Predominantly Upwind707.1
Predominantly Downwind678.3
Predominantly Reaching644.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7086
Triple Number Coastal/Long Distance Medium0.9151
Triple Number Coastal/Long Distance High1.0177
Triple Number Windward/Leeward Low0.5496
Triple Number Windward/Leeward Medium0.7406
Triple Number Windward/Leeward High0.8507
Coastal/Long Distance0.8338
Predominantly Upwind0.8485
Predominantly Downwind0.8845
For information
General Purpose Handicap (GPH)740.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9087
Distanseseilas Trippeltall svak vind0.7086
Distanseseilas Trippeltall mellomvind0.9151
Distanseseilas Trippeltall sterk vind1.0177
Pølsebane Trippeltall svak vind0.5496
Pølsebane Trippeltall mellomvind0.7406
Pølsebane Trippeltall sterk vind0.8507
Motvind Singeltall0.8485
Medvind Singeltall0.8845
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Coastal/Long Distance719.60.8338
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind707.10.8485
Predominantly Downwind678.30.8845
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore669.80.8958
Cape Doctor Coastal562.61.0664
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7086
Triple Number Coastal/Long Distance Medium0.9151
Triple Number Coastal/Long Distance High1.0177
Triple Number Windward/Leeward Low0.5496
Triple Number Windward/Leeward Medium0.7406
Triple Number Windward/Leeward High0.8507
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7086
Triple Number Coastal/Long Distance Medium0.9151
Triple Number Coastal/Long Distance High1.0177
Triple Number Windward/Leeward Low0.5496
Triple Number Windward/Leeward Medium0.7406
Triple Number Windward/Leeward High0.8507
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Predominantly Upwind707.10.8485
Predominantly Downwind678.30.8845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance719.60.8338
Triple Number Coastal/Long Distance Low846.70.7086
Triple Number Coastal/Long Distance Medium655.70.9151
Triple Number Coastal/Long Distance High589.61.0177
Triple Number Windward/Leeward Low1091.70.5496
Triple Number Windward/Leeward Medium810.20.7406
Triple Number Windward/Leeward High705.30.8507
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1777.81217.7916.4767.9681.3634.3599.3543.9529.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP687.50.8727 Predom. Dn High540.51.1101 5B AP M/H596.51.0059 TriNum AP Low846.70.7086 Predom. Rc Low915.20.6556 5B AP High573.01.0471 TriNum AP Med655.80.9150 Predom. Rc L/M695.40.8628 5B SF Bay Low1076.00.5576 TriNum AP High589.61.0177 Predom. Rc Med611.00.9821 5B SF Bay L/M890.40.6739 TriNum W/L Low1146.90.5232 Predom. Rc M/H564.21.0635 5B SF Bay Med769.20.7801 TriNum W/L Med810.20.7406 Predom. Rc High539.81.1115 5B SF Bay M/H701.10.8558 TriNum W/L Hig705.30.8507 5B W/L Low1289.60.4653 5B SF Bay High672.50.8922 Predom. Upwind735.10.8162 5B W/L L/M936.80.6404 ChiMac Up Low878.30.6832 Predom. Reaching656.50.9140 5B W/L Med796.30.7535 ChiMac Up Med798.20.7517 Predom. Downwind713.50.8409 5B W/L M/H715.50.8386 ChiMac Up High705.50.8505 Predom. Up Low993.70.6038 5B W/L High682.10.8796 ChiMac Off Low913.50.6568 Predom. Up L/M765.60.7837 W/L 60-40 Low1275.70.4703 ChiMac Off Med799.70.7503 Predom. Up Med686.30.8743 W/L 60-40 L/M938.80.6391 ChiMac Off High666.30.9005 Predom. Up M/H648.50.9252 W/L 60-40 Med809.80.7409 ChiMac AP Low889.70.6744 Predom. Up High633.20.9475 W/L 60-40 M/H739.50.8114 ChiMac AP Med794.40.7553 Predom. Dn Low1073.30.5590 W/L 60-40 High711.90.8428 ChiMac AP High683.00.8785 Predom. Dn L/M776.60.7726 5B AP Low952.30.6301 BayMac Cove Island1029.80.5827 Predom. Dn Med653.00.9189 5B AP L/M740.30.8105 BayMac Shore1018.20.5893 Predom. Dn M/H578.11.0378 5B AP Med646.80.9276 Harvest Moon578.41.0373      SA/DSPL Up21.46SA/DSPL Dn21.46
ORC Ref  04140004W29 Issued on 04/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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 L7.579LSM07.027Accomod. length7.475Sink (kg/mm) 10.22
VCGD-0.339VCGM-0.236 RM Rated (kg·m) 33.7Limit of positive stability(°) 146.1 Stability Index 150.4 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
SFFP0.567FFMFF1.269LCFcl5.561SG
SAFP9.449FAMFA0.667LCFsh5.694HBI0.948
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004W29 Issued on 04/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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
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  04140004W29 Issued on 04/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org