Club Certificate2025
HEDEF YELKENTUR 2901
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 Angles41.6°41.6°39.7°37.7°36.6°36.0°35.7°35.6°36.6°
Beat VMG2.583.534.254.684.884.995.065.135.09
52°4.015.316.136.526.716.816.886.966.98
60°4.265.556.306.656.856.977.057.167.20
75°4.425.706.416.767.007.197.337.517.62
90°4.235.586.416.777.047.287.517.868.11
110°4.255.656.556.987.317.547.738.088.38
120°4.085.506.466.947.327.698.048.529.01
135°3.554.966.076.707.127.537.969.0610.69
150°2.944.195.306.216.767.157.538.4410.09
Run VMG2.543.634.595.416.076.566.947.658.74
Gybe Angles145.3°145.3°149.6°154.7°162.4°170.0°176.8°175.4°146.3°
APH ToD:576.0CDL: 8.220APH ToT: 1.0417CertNo:
BOAT
ClassCorby 29DesignerCorbyBuilderAge date02/2008Series date01/2008Offset filecorby29.offData fileTUR2901
HULL
Length Overall8.820 mMaximum Beam2.826 mDraft2.021 mDisplacement3,352 kgDLR6.8928IMS DivisionCruiser/RacerDynamic Allowance0.100%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight510 kg(declared)Minimum weight380 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.7829.39Headsail Luffed23.3423.34Headsail FlyingSymmetric76.8076.80Asymmetric
STORM SAIL AREAS (m²)
Trysail8.36Storm Jib7.43Heavy Weather Jib20.07
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
IRC ENDORSED 13032025
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  04590003O9AIssued on 18/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
HEDEF YELKENTUR 2901
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 VMG1393.21018.5847.9769.7738.2722.0711.6701.3707.0
52°898.5678.4587.1552.0536.4528.7523.4517.0515.6
60°844.2648.5571.6541.2525.4516.3510.4502.7500.1
75°815.0631.4561.7532.9514.4500.9491.3479.1472.4
90°851.0645.3561.9531.6511.5494.3479.6458.3444.0
110°847.2637.0549.4515.9492.8477.3465.5445.5429.7
120°881.3654.7557.3518.9491.6467.9447.9422.4399.4
135°1013.8725.8593.5537.3505.8478.3452.3397.3336.7
150°1225.4858.5678.8580.0532.5503.7477.8426.6356.7
Run VMG1415.4991.3783.8665.5593.1548.7518.7470.7411.8
Selected Courses
Windward / Leeward1403.41004.9815.8717.6665.7635.4615.2586.0559.4
All purpose1063.7779.8651.5592.0560.1539.9524.5499.8477.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward692.90.8659
All purpose576.01.0417
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7624
Downwind "popa"0.9187
70% up, 30% down "Ilhabela"0.8034
30% up, 70% down "Ilhabela-inverso"0.8654
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Predominantly Upwind620.40.9671
Predominantly Downwind580.71.0332
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low715.60.8384
TriNum AP Med573.41.0465
TriNum AP High519.11.1559
TriNum W/L Low949.90.6316
TriNum W/L Med687.90.8722
TriNum W/L Hig609.30.9848
Predom. Upwind642.50.9339
Predom. Reaching574.11.0450
Predom. Downwind603.70.9938
Predom. Up Low853.00.7034
Predom. Up L/M669.60.8961
Predom. Up Med604.70.9922
Predom. Up M/H570.31.0520
Predom. Up High551.41.0881
Predom. Dn Low859.70.6980
Predom. Dn L/M649.10.9243
Predom. Dn Med563.81.0642
Predom. Dn M/H507.61.1820
Predom. Dn High467.01.2848
Predom. Rc Low768.10.7812
Predom. Rc L/M604.20.9931
Predom. Rc Med543.51.1041
Predom. Rc M/H502.61.1937
Predom. Rc High472.61.2695
SA/DSPL Upwind23.18SA/DSPL Downwind46.95
Scoring OptionTODTOT
5B W/L Low1057.50.5674
5B W/L L/M786.90.7625
5B W/L Med677.50.8856
5B W/L M/H617.90.9711
5B W/L High586.41.0231
W/L 60-40 Low1059.90.5661
W/L 60-40 L/M795.40.7544
W/L 60-40 Med691.50.8677
W/L 60-40 M/H637.10.9418
W/L 60-40 High610.00.9836
5B AP Low786.40.7629
5B AP L/M635.90.9435
5B AP Med566.71.0588
5B AP M/H525.91.1409
5B AP High500.21.1996
5B SF Bay Low914.00.6564
5B SF Bay L/M754.60.7951
5B SF Bay Med657.70.9122
5B SF Bay M/H604.70.9921
5B SF Bay High574.51.0444
Chicago-Mac Upwind0.9093
Chicago-Mac All Purpose0.9368
Chicago-Mac Downwind0.9606
BayMac Cove Island853.60.7029
BayMac Shore847.90.7077
Harvest Moon508.91.1791
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance622.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating622.20.9644
FinRating, kevyt tuuli1039.50.9620
FinRating, kova tuuli502.70.9945
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9644
Triple Number Coastal/Long Distance Low0.8384
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1559
Triple Number Windward/Leeward Low0.6591
Triple Number Windward/Leeward Medium0.8722
Triple Number Windward/Leeward High0.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
For information
General Purpose Handicap (GPH)641.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low715.6
Triple Number Coastal/Long Distance Medium573.3
Triple Number Coastal/Long Distance High519.1
Triple Number Windward/Leeward Low910.3
Triple Number Windward/Leeward Medium687.9
Triple Number Windward/Leeward High609.3
Predominantly Upwind620.4
Predominantly Downwind580.7
Predominantly Reaching562.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8384
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1559
Triple Number Windward/Leeward Low0.6591
Triple Number Windward/Leeward Medium0.8722
Triple Number Windward/Leeward High0.9848
Coastal/Long Distance0.9644
Predominantly Upwind0.9671
Predominantly Downwind1.0332
For information
General Purpose Handicap (GPH)641.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0417
Distanseseilas Trippeltall svak vind0.8384
Distanseseilas Trippeltall mellomvind1.0465
Distanseseilas Trippeltall sterk vind1.1559
Pølsebane Trippeltall svak vind0.6591
Pølsebane Trippeltall mellomvind0.8722
Pølsebane Trippeltall sterk vind0.9848
Motvind Singeltall0.9671
Medvind Singeltall1.0332
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Coastal/Long Distance622.20.9644
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind620.40.9671
Predominantly Downwind580.71.0332
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore567.41.0574
Cape Doctor Coastal484.11.2394
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8384
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1559
Triple Number Windward/Leeward Low0.6591
Triple Number Windward/Leeward Medium0.8722
Triple Number Windward/Leeward High0.9848
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8384
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1559
Triple Number Windward/Leeward Low0.6591
Triple Number Windward/Leeward Medium0.8722
Triple Number Windward/Leeward High0.9848
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Predominantly Upwind620.40.9671
Predominantly Downwind580.71.0332
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9644
Triple Number Coastal/Long Distance Low715.60.8384
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High519.11.1559
Triple Number Windward/Leeward Low910.30.6591
Triple Number Windward/Leeward Medium687.90.8722
Triple Number Windward/Leeward High609.30.9848
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1485.21003.5771.1656.3594.0558.7529.5482.8461.2
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low715.60.8384
TriNum AP Med573.41.0465
TriNum AP High519.11.1559
TriNum W/L Low949.90.6316
TriNum W/L Med687.90.8722
TriNum W/L Hig609.30.9848
Predom. Upwind642.50.9339
Predom. Reaching574.11.0450
Predom. Downwind603.70.9938
Predom. Up Low853.00.7034
Predom. Up L/M669.60.8961
Predom. Up Med604.70.9922
Predom. Up M/H570.31.0520
Predom. Up High551.41.0881
Predom. Dn Low859.70.6980
Predom. Dn L/M649.10.9243
Predom. Dn Med563.81.0642
Predom. Dn M/H507.61.1820
Predom. Dn High467.01.2848
Predom. Rc Low768.10.7812
Predom. Rc L/M604.20.9931
Predom. Rc Med543.51.1041
Predom. Rc M/H502.61.1937
Predom. Rc High472.61.2695
SA/DSPL Upwind23.18SA/DSPL Downwind46.95
Scoring OptionTODTOT
5B W/L Low1057.50.5674
5B W/L L/M786.90.7625
5B W/L Med677.50.8856
5B W/L M/H617.90.9711
5B W/L High586.41.0231
W/L 60-40 Low1059.90.5661
W/L 60-40 L/M795.40.7544
W/L 60-40 Med691.50.8677
W/L 60-40 M/H637.10.9418
W/L 60-40 High610.00.9836
5B AP Low786.40.7629
5B AP L/M635.90.9435
5B AP Med566.71.0588
5B AP M/H525.91.1409
5B AP High500.21.1996
5B SF Bay Low914.00.6564
5B SF Bay L/M754.60.7951
5B SF Bay Med657.70.9122
5B SF Bay M/H604.70.9921
5B SF Bay High574.51.0444
Chicago-Mac Upwind0.9093
Chicago-Mac All Purpose0.9368
Chicago-Mac Downwind0.9606
BayMac Cove Island853.60.7029
BayMac Shore847.90.7077
Harvest Moon508.91.1791
ORC Ref  04590003O9AIssued on 18/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
HEDEF YELKENTUR 2901
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCorby 29Measurement23/02/2020HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.820Max. Beam2.826Draft2.021Displacement3,352Wetted area18.13IMS L8.257LSM07.863Acc. length8.820Sink (kg/mm) 12.27
VCGD-0.278VCGM-0.277RM Rated (kg·m) 58.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight489Declared crew weight510
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.360PBWPIPA0.0005
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P11.700IG12.190ISP12.640MDT10.060MDL10.100MDT2MDL2TLTaperMWGO
E4.080J3.550BAS1.200FSDFoilSFJSPL4.000WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date17/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04590003O9AIssued on 18/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
HEDEF YELKENTUR 2901
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.881.562.6728.78IRC ENDORSED 2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.571.061.903.6612.34NoNo 23.34IRC ENDORSED 2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment112.7512.7512.757.306.9476.80IRC ENDORSED 2025
CRUISER/RACER REQUIREMENTS*
Accommodation length8.8 mTable area0.33 m²Headroom1.59 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity42 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity26 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04590003O9AIssued on 18/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org