International
Certificate
2022

Boat

Kira

EST 874

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°41.7°40.2°38.7°37.8°37.6°36.9°
Beat VMG3.464.194.775.095.215.265.38
52°5.266.276.857.127.257.317.38
60°5.556.527.017.277.457.547.60
75°5.786.697.127.427.687.918.15
90°5.716.807.227.447.758.088.65
110°5.826.917.427.848.128.378.80
120°5.686.817.357.828.338.739.31
135°5.146.367.077.528.018.539.97
150°4.365.476.487.107.517.968.98
Run VMG3.784.745.626.316.867.298.12
Gybe Angles142.1°148.0°151.6°159.2°173.6°177.2°177.2°

APH: 550.1

CDL: 9.009

GPH: 616.6

CertNo: 633

BOAT
ClassCorby 33DesignerJohn CorbyBuilderMicrospanAge date12/2006Series date01/2006Offset fileCorby33+.offData fileSWE633 Corby33 Onecorner
HULL
Length Overall10.000 mMaximum Beam2.916 mDraft2.223 mDisplacement4,236 kgDLR5.9488IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.374m
CREW
Maximum weight677 kgMinimum weight508 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.3736.07Headsail Luffed28.6128.61Headsail FlyingSymmetric97.6097.60Asymmetric
STORM SAIL AREAS (m²)
Trysail10.36Storm Jib9.88Heavy Weather Jib26.68
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment102.6 kg·mStability Index153.6
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.

International
Certificate
2022

Boat

Kira

EST 874

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1039.5860.0754.7707.6691.2683.9669.0
52°685.0574.4525.5505.5496.6492.4487.6
60°649.1552.0513.9494.9483.4477.4474.0
75°623.1537.9505.9485.5468.5455.0441.6
90°630.4529.8498.4484.0464.3445.3416.3
110°618.3521.1485.3459.1443.4430.3408.9
120°634.3528.6489.9460.2432.2412.5386.5
135°700.1566.1508.9478.7449.7421.8361.2
150°825.9658.2555.9507.3479.2452.0400.7
Run VMG953.6760.1640.9570.9524.8493.7443.5
Selected Courses
Windward / Leeward996.6810.0697.8639.3608.0588.8556.2
All purpose770.3635.8567.5532.0510.4494.5467.2
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward670.50.8949
All purpose550.11.0907
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7769
Downwind "popa"0.9573
70% up, 30% down "Ilhabela"0.8235
30% up, 70% down "Ilhabela-inverso"0.8950
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Predominantly Upwind596.91.0051
Predominantly Downwind555.41.0804
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low703.10.8534
Triple Number All Purpose Medium547.11.0967
Triple Number All Purpose High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Predominantly Upwind596.91.0051
Predominantly Downwind555.41.0804
Predominantly Upwind Low790.10.7594
Predominantly Upwind Medium616.00.9740
Predominantly Upwind High572.01.0489
Predominantly Downwind Low758.30.7912
Predominantly Downwind Medium549.31.0923
Predominantly Downwind High458.11.3097
Chicago-Mac Upwind0.9884
Chicago-Mac All Purpose1.0217
Chicago-Mac Downwind1.0634
Bayview-Mac Cove Island0.9484
Bayview-Mac Shore0.9546
Victoria-Maui1.1380
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance597.9
Triple Number Coastal/Long Distance Low703.1
Triple Number Coastal/Long Distance Medium547.1
Triple Number Coastal/Long Distance High488.2
Triple Number Windward/Leeward Low903.3
Triple Number Windward/Leeward Medium665.2
Triple Number Windward/Leeward High581.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0967
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6642
Triple Number Windward/Leeward Medium0.9020
Triple Number Windward/Leeward High1.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low703.1
Triple Number Coastal/Long Distance Medium547.1
Triple Number Coastal/Long Distance High488.2
Triple Number Windward/Leeward Low903.3
Triple Number Windward/Leeward Medium665.2
Triple Number Windward/Leeward High581.4
Predominantly Upwind596.9
Predominantly Downwind555.4
Predominantly Reaching535.4
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0967
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6642
Triple Number Windward/Leeward Medium0.9020
Triple Number Windward/Leeward High1.0320
Coastal/Long Distance1.0035
Predominantly Upwind1.0051
Predominantly Downwind1.0804
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0035
Tretall Distanseseilas Lite vind0.8534
Tretall Distanseseilas Mellomvind1.0967
Tretall Distanseseilas Mye vind1.2289
Tretall Pølsebane Lite vind0.6642
Tretall Pølsebane Mellomvind0.9020
Tretall Pølsebane Mye vind1.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Coastal/Long Distance597.91.0035
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind596.91.0051
Predominantly Downwind555.41.0804
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore566.01.0601
Cape Doctor Coastal475.41.2621
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0967
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6642
Triple Number Windward/Leeward Medium0.9020
Triple Number Windward/Leeward High1.0320
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0967
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6642
Triple Number Windward/Leeward Medium0.9020
Triple Number Windward/Leeward High1.0320
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Predominantly Upwind596.91.0051
Predominantly Downwind555.41.0804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance597.91.0035
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium547.11.0967
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.3761.5633.7565.7528.5498.7449.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low703.10.8534
Triple Number All Purpose Medium547.11.0967
Triple Number All Purpose High488.21.2289
Triple Number Windward/Leeward Low903.30.6642
Triple Number Windward/Leeward Medium665.20.9020
Triple Number Windward/Leeward High581.41.0320
Predominantly Upwind596.91.0051
Predominantly Downwind555.41.0804
Predominantly Upwind Low790.10.7594
Predominantly Upwind Medium616.00.9740
Predominantly Upwind High572.01.0489
Predominantly Downwind Low758.30.7912
Predominantly Downwind Medium549.31.0923
Predominantly Downwind High458.11.3097
Chicago-Mac Upwind0.9884
Chicago-Mac All Purpose1.0217
Chicago-Mac Downwind1.0634
Bayview-Mac Cove Island0.9484
Bayview-Mac Shore0.9546
Harvest Moon Regatta487.61.2304
Victoria-Maui1.1380
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low982.20.6109
5-Band Low / Medium825.50.7268
5-Band Medium653.80.9178
5-Band Medium / High590.71.0157
5-Band High561.91.0679

International
Certificate
2022

Boat

Kira

EST 874

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCorby 33Measurement22/05/2019HIN006Plan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA10.000Max. Beam2.916Draft2.223Displacement4,236Wetted area21.20IMS L9.113LSM08.929Acc. length9.477Sink (kg/mm) 14.47
VCGD-0.672VCGM-0.572RM Measured (kg·m) 102.6RM Default (kg·m) 86.4Limit of positive stability(°) 150.0Stability Index153.6
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.374PBW0.096PIPA0.0031
EDL2.610ST10.042ST20.180
ST30.180ST40.112ST50.195
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P13.150IG13.945ISP14.720MDT10.110MDL10.211MDT20.110MDL20.145TL2.750MW0.185GO0.217
E4.500J4.040BAS1.410FSD0.036SFJ0.000SPL4.426WPLTPSBD0.175MWT159.60MCG5.765
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date24/08/2020MeasurerJT1330CommentTorpa
SFFP0.610FFM1.084FF1.092LCFcl5.060SG1.0030
SAFP10.019FAM0.968FA0.973LCFsh5.247HBI1.018
W179.6W279.6W379.6W479.6
PD1674.0PD2683.0PD3683.4PD4686.1
WD11.153PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGDFuel Plastic3007.50Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGHMiscellaneousHeater D497.00BMiscellaneous2xLiPo4 batteries246.501EngineYanmar 3YM20Total deductible0

International
Certificate
2022

Boat

Kira

EST 874

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentMain0.170.971.722.913.7835.3718/11/2019NorthUnknown3Di
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentJ-M/H0.080.591.112.083.064.0813.77YesNo 28.6118/11/2019NSUnknownJ-L/M0.080.601.122.073.034.0813.72YesNo 28.4218/11/2019NSUnknownK-3.50.100.591.092.063.084.0812.47YesNo 25.8823/01/2020NSUnknownSS_Spin0.150.520.901.692.463.2412.54NoInner 21.0619/02/2021NSUnknown
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialCommentS115.1215.1215.127.747.7797.6018/11/2019NSNylonIHC72268S2_202014.5914.5914.598.087.6897.2728/04/2021NSNylonS314.4114.4114.416.907.8885.2105/12/2019NSNylonS0_202114.2514.2514.255.407.1068.1620/02/2021NSNylon