Club
Certificate
2024

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.8°40.1°40.0°39.8°39.9°39.8°40.2°41.7°
Beat VMG3.093.704.014.154.224.274.304.22
52°4.675.445.876.046.136.196.246.23
60°4.885.656.076.276.356.416.476.47
75°5.025.816.266.496.616.686.786.82
90°4.915.766.286.586.766.887.037.13
110°4.955.916.466.746.897.017.137.30
120°4.805.816.446.797.037.217.447.52
135°4.345.366.156.626.957.237.748.29
150°3.704.715.576.226.646.957.508.09
Run VMG3.214.084.835.486.046.487.087.59
Gybe Angles146.0°150.1°152.9°158.8°171.8°177.7°179.0°179.0°
APH ToD:644.7CDL: 6.913APH ToT: 0.9306CertNo:
BOAT
ClassBotnia 6 HRDesignerBuilderAge date01/1976Series date10/1970Offset fileBotnia6CL.offData fileFIN873
HULL
Length Overall10.500 mMaximum Beam2.300 mDraft1.654 mDisplacement4,350 kgDLR10.6566IMS DivisionCruiser/RacerDynamic Allowance0.520%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight420 kg(declared)Minimum weight290 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.8921.47Headsail Luffed29.2629.26Headsail FlyingSymmetric63.2663.26Asymmetric
STORM SAIL AREAS (m²)
Trysail5.84Storm Jib6.72Heavy Weather Jib18.14
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.

Club
Certificate
2024

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1163.3972.3897.0867.1852.7843.8837.9853.7
52°771.4662.1613.7595.6586.9581.9576.8577.8
60°737.1637.5592.8574.6566.8562.0556.4556.5
75°717.0620.1575.4554.6544.5539.0531.3527.8
90°733.6624.6573.4547.2532.3522.9512.3505.1
110°727.6608.8557.7534.3522.2513.3505.0493.1
120°750.6619.1559.4530.3512.2499.7483.6478.7
135°829.4671.1585.8543.5517.8497.7465.1434.5
150°972.7763.6646.8579.0542.0518.0480.0445.0
Run VMG1123.1881.6744.7656.6596.1555.2508.7474.2
Selected Courses
Windward / Leeward1143.2926.9820.8761.8724.4699.5673.3664.0
All purpose887.9734.1660.7623.3602.0588.1571.3562.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward791.10.7585
All purpose644.70.9306
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6528
Downwind "popa"0.8291
70% up, 30% down "Ilhabela"0.6973
30% up, 70% down "Ilhabela-inverso"0.7669
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Predominantly Upwind701.70.8550
Predominantly Downwind644.30.9312
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low811.00.7398
Triple Number AP Medium639.80.9379
Triple Number AP High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Single Number Predominant Upwind700.00.8572
Single Number Predominant Reaching614.70.9760
Single Number Predominant Downwind645.40.9296
Predominant Upwind - Low891.30.6732
Predominant Upwind - Low/Med757.60.7919
Predominant Upwind - Medium682.50.8791
Predominant Upwind - Med/High647.70.9263
Predominant Upwind - High634.80.9452
Predominant Downwind Low889.70.6744
Predominant Downwind Low/Med726.90.8255
Predominant Downwind Medium622.20.9644
Predominant Downwind Med/High560.51.0706
Predominant Downwind High529.51.1331
Predominant Reaching Low801.00.7491
Predominant Reaching Low/Med673.70.8906
Predominant Reaching Medium597.21.0046
Predominant Reaching Med/High556.91.0773
Predominant Reaching High537.41.1164
SA/DSPL Upwind18.73SA/DSPL Downwind31.42
Scoring OptionTODTOT
5-Band Windward/Leeward Low1094.10.5484
5-Band Windward/Leeward Low/Med897.00.6689
5-Band Windward/Leeward Medium773.90.7753
5-Band Windward/Leeward Med/High704.50.8516
5-Band Windward/Leeward High676.20.8873
Windward/Leeward 60-40 Low1099.30.5458
Windward/Leeward 60-40 Low/Med909.30.6599
Windward/Leeward 60-40 Medium794.40.7553
Windward/Leeward 60-40 Med/High732.90.8187
Windward/Leeward 60-40 High709.30.8459
5-Band AP Low853.00.7034
5-Band AP Low/Med714.50.8397
5-Band AP Medium632.20.9490
5-Band AP Med/High590.61.0159
5-Band AP High572.71.0477
5-Band SF Bay Tour - Low1040.50.5766
5-Band SF Bay Tour - Low/Med859.50.6981
5-Band SF Bay Tour - Medium750.20.7998
5-Band SF Bay Tour - Med/High692.20.8668
5-Band SF Bay Tour - High668.20.8979
Chicago-Mac Upwind0.8403
Chicago-Mac All Purpose0.8745
Chicago-Mac Downwind0.9147
Bayview-Mac Cove Island0.8197
Bayview-Mac Shore0.8249
Harvest Moon Regatta558.91.0736
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance699.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7398
Triple Number Coastal/Long Distance Medium0.9380
Triple Number Coastal/Long Distance High1.0252
Triple Number Windward/Leeward Low0.5797
Triple Number Windward/Leeward Medium0.7635
Triple Number Windward/Leeward High0.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low811.0
Triple Number Coastal/Long Distance Medium639.7
Triple Number Coastal/Long Distance High585.3
Triple Number Windward/Leeward Low1035.0
Triple Number Windward/Leeward Medium785.9
Triple Number Windward/Leeward High695.9
Predominantly Upwind701.7
Predominantly Downwind644.3
Predominantly Reaching622.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7398
Triple Number Coastal/Long Distance Medium0.9380
Triple Number Coastal/Long Distance High1.0252
Triple Number Windward/Leeward Low0.5797
Triple Number Windward/Leeward Medium0.7635
Triple Number Windward/Leeward High0.8622
Coastal/Long Distance0.8576
Predominantly Upwind0.8550
Predominantly Downwind0.9312
For information
General Purpose Handicap (GPH)719.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7398
Tretall Distanseseilas Mellomvind0.9380
Tretall Distanseseilas Mye vind1.0252
Tretall Pølsebane Lite vind0.5797
Tretall Pølsebane Mellomvind0.7635
Tretall Pølsebane Mye vind0.8622
Distanseseilas ett tall0.9306
Enkeltall Motvind0.8550
Enkeltall Medvind0.9312
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Coastal/Long Distance699.60.8576
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind701.70.8550
Predominantly Downwind644.30.9312
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore666.80.8999
Cape Doctor Coastal565.11.0617
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7398
Triple Number Coastal/Long Distance Medium0.9380
Triple Number Coastal/Long Distance High1.0252
Triple Number Windward/Leeward Low0.5797
Triple Number Windward/Leeward Medium0.7635
Triple Number Windward/Leeward High0.8622
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7398
Triple Number Coastal/Long Distance Medium0.9380
Triple Number Coastal/Long Distance High1.0252
Triple Number Windward/Leeward Low0.5797
Triple Number Windward/Leeward Medium0.7635
Triple Number Windward/Leeward High0.8622
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Predominantly Upwind701.70.8550
Predominantly Downwind644.30.9312
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance699.60.8576
Triple Number Coastal/Long Distance Low811.00.7398
Triple Number Coastal/Long Distance Medium639.70.9380
Triple Number Coastal/Long Distance High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1141.2873.8741.6665.9624.4592.7545.1537.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low811.00.7398
Triple Number AP Medium639.80.9379
Triple Number AP High585.31.0252
Triple Number Windward/Leeward Low1035.00.5797
Triple Number Windward/Leeward Medium785.90.7635
Triple Number Windward/Leeward High695.90.8622
Single Number Predominant Upwind700.00.8572
Single Number Predominant Reaching614.70.9760
Single Number Predominant Downwind645.40.9296
Predominant Upwind - Low891.30.6732
Predominant Upwind - Low/Med757.60.7919
Predominant Upwind - Medium682.50.8791
Predominant Upwind - Med/High647.70.9263
Predominant Upwind - High634.80.9452
Predominant Downwind Low889.70.6744
Predominant Downwind Low/Med726.90.8255
Predominant Downwind Medium622.20.9644
Predominant Downwind Med/High560.51.0706
Predominant Downwind High529.51.1331
Predominant Reaching Low801.00.7491
Predominant Reaching Low/Med673.70.8906
Predominant Reaching Medium597.21.0046
Predominant Reaching Med/High556.91.0773
Predominant Reaching High537.41.1164
SA/DSPL Upwind18.73SA/DSPL Downwind31.42
Scoring OptionTODTOT
5-Band Windward/Leeward Low1094.10.5484
5-Band Windward/Leeward Low/Med897.00.6689
5-Band Windward/Leeward Medium773.90.7753
5-Band Windward/Leeward Med/High704.50.8516
5-Band Windward/Leeward High676.20.8873
Windward/Leeward 60-40 Low1099.30.5458
Windward/Leeward 60-40 Low/Med909.30.6599
Windward/Leeward 60-40 Medium794.40.7553
Windward/Leeward 60-40 Med/High732.90.8187
Windward/Leeward 60-40 High709.30.8459
5-Band AP Low853.00.7034
5-Band AP Low/Med714.50.8397
5-Band AP Medium632.20.9490
5-Band AP Med/High590.61.0159
5-Band AP High572.71.0477
5-Band SF Bay Tour - Low1040.50.5766
5-Band SF Bay Tour - Low/Med859.50.6981
5-Band SF Bay Tour - Medium750.20.7998
5-Band SF Bay Tour - Med/High692.20.8668
5-Band SF Bay Tour - High668.20.8979
Chicago-Mac Upwind0.8403
Chicago-Mac All Purpose0.8745
Chicago-Mac Downwind0.9147
Bayview-Mac Cove Island0.8197
Bayview-Mac Shore0.8249
Harvest Moon Regatta558.91.0736

Club
Certificate
2024

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBotnia 6 HRMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.500Max. Beam2.300Draft1.654Displacement4,350Wetted area19.09IMS L7.894LSM07.417Acc. length7.475Sink (kg/mm) 11.03
VCGD-0.247VCGM-0.205RM Rated (kg·m) 36.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight450Declared crew weight420
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0070
APHAPTAPB
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders1Rotating mastNo
P10.420IG11.590ISP12.140MDT10.126MDL10.175MDT2MDL2TLTaperMWGO
E3.200J3.550BAS1.240FSDNo FoilSFJ0.460SPL3.465WPLTPS0.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/03/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
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
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 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.