Double HandedClub Certificate2026
CascadeFIN 873
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 Angles45.5°42.3°40.7°41.0°41.2°41.5°41.7°42.6°44.8°
Beat VMG2.183.043.543.783.893.943.973.963.83
52°3.414.565.255.625.785.865.915.945.85
60°3.644.775.485.876.046.136.186.246.21
75°3.794.935.676.096.326.446.516.616.66
90°3.684.865.656.156.446.626.756.937.07
110°3.564.885.776.296.536.686.787.027.27
120°3.434.755.706.306.666.877.027.237.25
135°3.024.345.356.096.556.877.177.758.03
150°2.533.744.755.606.226.626.927.578.17
Run VMG2.193.244.124.885.536.056.447.037.63
Gybe Angles143.3°147.4°151.4°154.6°161.5°166.9°175.4°177.7°177.2°
APH ToD:664.4CDL: 6.443APH ToT: 0.9030CertNo:
BOAT
ClassBotnia 6 HRDesignerBuilderAge date01/1976Series date10/1970Offset fileBotnia6CL.offData fileFIN873
HULL
Length Overall10.500 mMaximum Beam2.300 mDraft1.635 mDisplacement4,350 kgDLR10.7761IMS DivisionCruiser/RacerDynamic Allowance0.580%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight160 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.8921.46Headsail Luffed29.2629.26Headsail FlyingSymmetric63.2663.26Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.84Storm Jib6.72Heavy Weather Jib18.14
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 36.1 kg·m Stability Index 152.3
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  04140004P73 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
CascadeFIN 873
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 VMG1649.51184.91016.3952.6925.5913.9907.3909.3939.3
52°1057.2789.1685.7640.0622.3613.9609.1605.8615.9
60°989.9754.2656.7613.8595.9587.4582.2577.0579.7
75°949.1730.8635.0591.4569.9559.0552.8544.3540.9
90°978.6741.1637.1585.8559.0543.7533.5519.4509.5
110°1010.6737.4623.7572.1551.4538.7530.7513.2495.1
120°1049.3757.2631.4571.1540.8523.7512.9498.1496.5
135°1193.6829.5673.2590.9549.4524.1502.3464.5448.3
150°1421.7962.7757.2642.8578.9544.0520.0475.6440.7
Run VMG1641.71111.6873.3737.9651.2595.4558.6512.2471.7
Selected Courses
Windward / Leeward1645.61148.2944.8845.2788.3754.6732.9710.8705.5
All purpose1250.1895.9749.9680.0643.8623.8610.7593.4588.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward817.20.7342
All purpose664.40.9030
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6168
Downwind "popa"0.8333
70% up, 30% down "Ilhabela"0.6689
30% up, 70% down "Ilhabela-inverso"0.7539
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Predominantly Upwind730.00.8220
Predominantly Downwind653.30.9183
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP689.70.8699 Predom. Rc High552.41.0862 5B SF Bay L/M878.40.6830 TriNum AP Low822.90.7292 Predom. Dn Low987.00.6079 5B SF Bay Med778.70.7705 TriNum AP Med659.80.9094 Predom. Dn L/M733.70.8178 5B SF Bay M/H725.70.8267 TriNum AP High607.50.9877 Predom. Dn Med631.90.9495 5B SF Bay High705.70.8502 TriNum W/L Low1096.50.5472 Predom. Dn M/H572.21.0486 5B AP Low908.20.6606 TriNum W/L Med811.90.7390 Predom. Dn High541.51.1081 5B AP L/M731.10.8207 TriNum W/L Hig730.00.8219 ChiMac Up Low888.50.6753 5B AP Med652.50.9195 Predom. Upwind757.70.7918 ChiMac Up Med816.00.7353 5B AP M/H612.80.9792 Predom. Reaching653.90.9176 ChiMac Up High732.00.8197 5B AP High595.61.0075 Predom. Downwind683.90.8773 ChiMac Off Low851.60.7046 5B W/L Low1221.70.4911 Predom. Up Low993.00.6042 ChiMac Off Med755.90.7937 5B W/L L/M916.60.6546 Predom. Up L/M782.40.7669 ChiMac Off High643.90.9318 5B W/L Med800.60.7495 Predom. Up Med712.00.8427 ChiMac AP Low866.30.6926 5B W/L M/H737.50.8135 Predom. Up M/H679.70.8828 ChiMac AP Med783.10.7662 5B W/L High713.70.8407 Predom. Up High669.90.8957 ChiMac AP High686.00.8747 W/L 60-40 Low1229.10.4881 Predom. Rc Low886.00.6772 BayMac Cove Island993.20.6041 W/L 60-40 L/M934.30.6422 Predom. Rc L/M686.60.8739 BayMac Shore985.60.6088 W/L 60-40 Med827.30.7253 Predom. Rc Med612.30.9799 Harvest Moon576.51.0407 W/L 60-40 M/H772.10.7771 Predom. Rc M/H572.21.0486 5B SF Bay Low1036.50.5789 W/L 60-40 High753.80.7960      SA/DSPL Up18.73SA/DSPL Dn31.42
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance720.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating720.40.8329
FinRating, kevyt tuuli1204.20.8305
FinRating, kova tuuli599.90.8335
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8329
Triple Number Coastal/Long Distance Low0.7292
Triple Number Coastal/Long Distance Medium0.9095
Triple Number Coastal/Long Distance High0.9877
Triple Number Windward/Leeward Low0.5733
Triple Number Windward/Leeward Medium0.7390
Triple Number Windward/Leeward High0.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
For information
General Purpose Handicap (GPH)738.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Saronikos S All Purpose753.60.7962
Saronikos S Upwind858.70.6988
Saronikos S Downwind618.70.9698
Saronikos N All Purpose793.40.7563
Saronikos N Upwind891.40.6731
Saronikos N Downwind675.00.8889
Saronikos SW All Purpose753.10.7967
Saronikos SW Upwind865.90.6929
Saronikos SW Downwind635.10.9448
Saronikos NE All Purpose815.40.7358
Saronikos NE Upwind831.80.7214
Saronikos NE Downwind763.10.7863
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose689.70.8699
5-Band All Purpose Low985.90.6086
5-Band All Purpose L/M756.10.7936
5-Band All Purpose Med670.60.8948
5-Band All Purpose M/H624.80.9603
5-Band All Purpose High604.80.9921
Single Number Predominant Upwind728.20.8239
Single Number Predominant Reaching629.10.9537
Single Number Predominant Downwind654.50.9167
5-Band 50-50 Windward/Leeward Low1221.70.4911
5-Band 50-50 Windward/Leeward L/M916.60.6546
5-Band 50-50 Windward/Leeward Med800.60.7495
5-Band 50-50 Windward/Leeward M/H737.50.8135
5-Band 50-50 Windward/Leeward High713.70.8407
5-Band 60-40 Windward/Leeward Low1229.10.4881
5-Band 60-40 Windward/Leeward L/M934.30.6422
5-Band 60-40 Windward/Leeward Med827.30.7253
5-Band 60-40 Windward/Leeward M/H772.10.7771
5-Band 60-40 Windward/Leeward High753.80.7960
Triple Number 50-50 Windward/Leeward Low1096.50.5472
Triple Number 50-50 Windward/Leeward Med812.00.7389
Triple Number 50-50 Windward/Leeward High730.10.8219
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward843.40.7114
Triple Number 60-40 Windward/Leeward Low1107.00.5420
Triple Number 60-40 Windward/Leeward Med837.50.7165
Triple Number 60-40 Windward/Leeward High766.00.7833
Triple Number All-Purpose Low891.60.6729
Triple Number All-Purpose Med678.70.8841
Triple Number All-Purpose High618.70.9698
Triple Number Predominant Upwind Low912.70.6574
Triple Number Predominant Upwind Med720.60.8326
Triple Number Predominant Upwind High686.40.8741
Triple Number Predominant Reaching Low809.30.7414
Triple Number Predominant Reaching Med631.10.9507
Triple Number Predominant Reaching High555.21.0807
Triple Number Predominant Downwind Low883.90.6788
Triple Number Predominant Downwind Med639.90.9377
Triple Number Predominant Downwind High547.41.0960
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low822.8
Triple Number Coastal/Long Distance Medium659.7
Triple Number Coastal/Long Distance High607.5
Triple Number Windward/Leeward Low1046.6
Triple Number Windward/Leeward Medium811.9
Triple Number Windward/Leeward High730.0
Predominantly Upwind730.0
Predominantly Downwind653.3
Predominantly Reaching633.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7292
Triple Number Coastal/Long Distance Medium0.9095
Triple Number Coastal/Long Distance High0.9877
Triple Number Windward/Leeward Low0.5733
Triple Number Windward/Leeward Medium0.7390
Triple Number Windward/Leeward High0.8219
Coastal/Long Distance0.8329
Predominantly Upwind0.8220
Predominantly Downwind0.9183
For information
General Purpose Handicap (GPH)738.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9030
Distanseseilas Trippeltall svak vind0.7292
Distanseseilas Trippeltall mellomvind0.9095
Distanseseilas Trippeltall sterk vind0.9877
Pølsebane Trippeltall svak vind0.5733
Pølsebane Trippeltall mellomvind0.7390
Pølsebane Trippeltall sterk vind0.8219
Motvind Singeltall0.8220
Medvind Singeltall0.9183
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Coastal/Long Distance720.40.8329
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind730.00.8220
Predominantly Downwind653.30.9183
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore707.10.8485
Cape Doctor Coastal590.11.0169
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7292
Triple Number Coastal/Long Distance Medium0.9095
Triple Number Coastal/Long Distance High0.9877
Triple Number Windward/Leeward Low0.5733
Triple Number Windward/Leeward Medium0.7390
Triple Number Windward/Leeward High0.8219
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7292
Triple Number Coastal/Long Distance Medium0.9095
Triple Number Coastal/Long Distance High0.9877
Triple Number Windward/Leeward Low0.5733
Triple Number Windward/Leeward Medium0.7390
Triple Number Windward/Leeward High0.8219
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Predominantly Upwind730.00.8220
Predominantly Downwind653.30.9183
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance720.40.8329
Triple Number Coastal/Long Distance Low822.80.7292
Triple Number Coastal/Long Distance Medium659.70.9095
Triple Number Coastal/Long Distance High607.50.9877
Triple Number Windward/Leeward Low1046.60.5733
Triple Number Windward/Leeward Medium811.90.7390
Triple Number Windward/Leeward High730.00.8219
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1645.21144.6890.0763.0688.6646.9614.4562.4556.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP689.70.8699 Predom. Dn High541.51.1081 5B AP M/H612.80.9792 TriNum AP Low822.90.7292 Predom. Rc Low886.00.6772 5B AP High595.61.0075 TriNum AP Med659.80.9094 Predom. Rc L/M686.60.8739 5B SF Bay Low1036.50.5789 TriNum AP High607.50.9877 Predom. Rc Med612.30.9799 5B SF Bay L/M878.40.6830 TriNum W/L Low1096.50.5472 Predom. Rc M/H572.21.0486 5B SF Bay Med778.70.7705 TriNum W/L Med811.90.7390 Predom. Rc High552.41.0862 5B SF Bay M/H725.70.8267 TriNum W/L Hig730.00.8219 5B W/L Low1221.70.4911 5B SF Bay High705.70.8502 Predom. Upwind757.70.7918 5B W/L L/M916.60.6546 ChiMac Up Low888.50.6753 Predom. Reaching653.90.9176 5B W/L Med800.60.7495 ChiMac Up Med816.00.7353 Predom. Downwind683.90.8773 5B W/L M/H737.50.8135 ChiMac Up High732.00.8197 Predom. Up Low993.00.6042 5B W/L High713.70.8407 ChiMac Off Low851.60.7046 Predom. Up L/M782.40.7669 W/L 60-40 Low1229.10.4881 ChiMac Off Med755.90.7937 Predom. Up Med712.00.8427 W/L 60-40 L/M934.30.6422 ChiMac Off High643.90.9318 Predom. Up M/H679.70.8828 W/L 60-40 Med827.30.7253 ChiMac AP Low866.30.6926 Predom. Up High669.90.8957 W/L 60-40 M/H772.10.7771 ChiMac AP Med783.10.7662 Predom. Dn Low987.00.6079 W/L 60-40 High753.80.7960 ChiMac AP High686.00.8747 Predom. Dn L/M733.70.8178 5B AP Low908.20.6606 BayMac Cove Island993.20.6041 Predom. Dn Med631.90.9495 5B AP L/M731.10.8207 BayMac Shore985.60.6088 Predom. Dn M/H572.21.0486 5B AP Med652.50.9195 Harvest Moon576.51.0407      SA/DSPL Up18.73SA/DSPL Dn31.42
ORC Ref  04140004P73 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
CascadeFIN 873
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBotnia 6 HRMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.500Maximum beam2.300Draft1.635Displacement4,350Wetted area18.98IMS L7.678LSM07.390Accomod. length7.475Sink (kg/mm) 10.92
VCGD-0.249VCGM-0.208 RM Rated (kg·m) 36.1Limit of positive stability(°) 147.5 Stability Index 152.3 BLR index 0.0000Default crew weight170 Declared crew weight 160
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0070
APHAPTAPB
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P10.420IG11.590ISP12.140MDT10.126MDL10.175MDT2MDL2TLTaperMWGO
E3.200J3.550BAS1.240FSDNo FoilSFJ0.460SPL3.465WPLTPS0.000BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/03/2020
SFFP0.567FFMFF1.100LCFcl5.424SG
SAFP9.449FAMFA0.691LCFsh5.559HBI0.830
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004P73 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
CascadeFIN 873
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.270.811.332.152.8020.89
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG1 25.2610.93NoNo 29.26
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.3011.3011.306.8063.26
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  04140004P73 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org