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°38.8°38.2°37.9°37.2°
Beat VMG3.474.194.775.075.195.245.36
52°5.266.276.857.127.247.307.37
60°5.556.527.017.277.447.537.59
75°5.786.697.127.427.697.918.14
90°5.716.807.217.447.768.108.65
110°5.836.917.427.848.118.358.78
120°5.686.817.357.838.348.719.29
135°5.156.377.087.538.028.5510.02
150°4.365.476.487.107.527.989.01
Run VMG3.784.745.626.316.867.308.13
Gybe Angles142.1°147.8°152.0°159.2°173.6°177.2°177.2°

APH: 550.3

CDL: 8.972

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 weight620 kgMinimum weight465 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 Index154.0
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 VMG1038.2858.9754.9709.8694.1687.3671.9
52°684.7573.9525.4505.8497.5493.4488.3
60°649.0551.8513.7495.0483.9478.2474.5
75°622.5537.8505.7485.2468.3455.2442.5
90°630.3529.8499.4483.7463.7444.7416.2
110°618.0521.0485.2459.3444.1431.3409.8
120°633.5528.4489.6459.7431.6413.4387.3
135°699.3565.5508.6478.3448.9420.8359.2
150°824.8657.6555.4507.1478.7451.3399.4
Run VMG952.5759.3640.3570.5524.5493.4442.7
Selected Courses
Windward / Leeward995.3809.1697.6640.1609.3590.3557.3
All purpose769.6635.3567.5532.3511.0495.3467.7
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward671.00.8942
All purpose550.31.0903
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7756
Downwind "popa"0.9582
70% up, 30% down "Ilhabela"0.8226
30% up, 70% down "Ilhabela-inverso"0.8950
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Predominantly Upwind597.31.0045
Predominantly Downwind555.01.0810
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low702.40.8542
Triple Number All Purpose Medium547.31.0963
Triple Number All Purpose High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Predominantly Upwind597.31.0045
Predominantly Downwind555.01.0810
Predominantly Upwind Low789.30.7602
Predominantly Upwind Medium616.70.9729
Predominantly Upwind High573.71.0458
Predominantly Downwind Low757.60.7920
Predominantly Downwind Medium549.01.0929
Predominantly Downwind High457.51.3114
Chicago-Mac Upwind0.9878
Chicago-Mac All Purpose1.0217
Chicago-Mac Downwind1.0640
Bayview-Mac Cove Island0.9488
Bayview-Mac Shore0.9549
Victoria-Maui1.1388
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance598.1
Triple Number Coastal/Long Distance Low702.4
Triple Number Coastal/Long Distance Medium547.3
Triple Number Coastal/Long Distance High488.9
Triple Number Windward/Leeward Low902.3
Triple Number Windward/Leeward Medium665.6
Triple Number Windward/Leeward High582.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8542
Triple Number Coastal/Long Distance Medium1.0963
Triple Number Coastal/Long Distance High1.2273
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low702.4
Triple Number Coastal/Long Distance Medium547.3
Triple Number Coastal/Long Distance High488.9
Triple Number Windward/Leeward Low902.3
Triple Number Windward/Leeward Medium665.6
Triple Number Windward/Leeward High582.7
Predominantly Upwind597.3
Predominantly Downwind555.0
Predominantly Reaching535.2
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8542
Triple Number Coastal/Long Distance Medium1.0963
Triple Number Coastal/Long Distance High1.2273
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0297
Coastal/Long Distance1.0031
Predominantly Upwind1.0045
Predominantly Downwind1.0810
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0031
Tretall Distanseseilas Lite vind0.8542
Tretall Distanseseilas Mellomvind1.0963
Tretall Distanseseilas Mye vind1.2273
Tretall Pølsebane Lite vind0.6650
Tretall Pølsebane Mellomvind0.9014
Tretall Pølsebane Mye vind1.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Coastal/Long Distance598.11.0031
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind597.31.0045
Predominantly Downwind555.01.0810
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore567.21.0578
Cape Doctor Coastal476.01.2605
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8542
Triple Number Coastal/Long Distance Medium1.0963
Triple Number Coastal/Long Distance High1.2273
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0297
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8542
Triple Number Coastal/Long Distance Medium1.0963
Triple Number Coastal/Long Distance High1.2273
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0297
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Predominantly Upwind597.31.0045
Predominantly Downwind555.01.0810
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance598.11.0031
Triple Number Coastal/Long Distance Low702.40.8542
Triple Number Coastal/Long Distance Medium547.31.0963
Triple Number Coastal/Long Distance High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.0760.7633.6566.1529.1499.5450.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low702.40.8542
Triple Number All Purpose Medium547.31.0963
Triple Number All Purpose High488.91.2273
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High582.71.0297
Predominantly Upwind597.31.0045
Predominantly Downwind555.01.0810
Predominantly Upwind Low789.30.7602
Predominantly Upwind Medium616.70.9729
Predominantly Upwind High573.71.0458
Predominantly Downwind Low757.60.7920
Predominantly Downwind Medium549.01.0929
Predominantly Downwind High457.51.3114
Chicago-Mac Upwind0.9878
Chicago-Mac All Purpose1.0217
Chicago-Mac Downwind1.0640
Bayview-Mac Cove Island0.9488
Bayview-Mac Shore0.9549
Harvest Moon Regatta487.71.2302
Victoria-Maui1.1388
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low981.00.6116
5-Band Low / Medium824.80.7275
5-Band Medium654.40.9168
5-Band Medium / High592.11.0134
5-Band High563.01.0657

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 constructionCoredAramid Hull CoreNoCarbon RudderYesLight stanchionsNoTrim tabNo
LOA10.000Max. Beam2.916Draft2.223Displacement4,236Wetted area21.20IMS L9.092LSM08.929Acc. length9.477Sink (kg/mm) 14.47
VCGD-0.672VCGM-0.572RM Measured (kg·m) 102.6RM Default (kg·m) 85.9Limit of positive stability(°) 150.4Stability Index154.0
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