Club Certificate2025
ALESTA YELKENTUR 4666
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 Angles42.7°42.7°41.1°38.7°36.9°36.4°36.3°36.9°38.6°
Beat VMG2.263.133.824.304.574.674.724.724.61
52°3.484.735.616.066.306.446.516.586.54
60°3.704.955.796.196.456.646.746.866.85
75°3.855.095.886.306.626.897.117.367.49
90°3.875.196.086.486.726.987.317.898.32
110°3.965.286.176.687.137.537.858.479.05
120°3.815.136.056.597.147.698.259.2410.27
135°3.314.645.686.296.787.338.0110.0112.66
150°2.713.914.985.836.376.837.348.7211.68
Run VMG2.353.384.315.095.726.196.607.5910.12
Gybe Angles146.0°146.0°150.3°155.5°163.5°169.1°168.7°157.3°144.8°
APH ToD:610.2CDL: 7.114APH ToT: 0.9833CertNo:
BOAT
ClassPLATU 25 ODDesignerFARRBuilderBENETEAUAge date01/2013Series date01/1997Offset fileplatu25-TUR4666.offData fileTUR1666
HULL
Length Overall7.530 mMaximum Beam2.580 mDraft1.597 mDisplacement1,266 kgDLR4.3748IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight380 kg(declared)Minimum weight250 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail16.3316.68Headsail Luffed12.1312.13Headsail FlyingSymmetric44.0744.07Asymmetric
STORM SAIL AREAS (m²)
Trysail4.82Storm Jib4.24Heavy Weather Jib11.45
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
OUTBOARD ENGINE MERCURY 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.
ORC Ref  04590003OAEIssued on 21/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
ALESTA YELKENTUR 4666
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 VMG1592.61150.3942.8837.3787.1770.3762.9762.6781.2
52°1033.8761.4641.6594.0571.4558.9552.7547.1550.1
60°971.7726.6622.3581.1558.2542.5533.8525.0525.7
75°936.1707.5612.2571.6544.1522.3506.5488.9481.0
90°929.5693.0592.5555.7535.8515.7492.3456.2432.9
110°909.3681.5583.8538.6504.7477.9458.3425.2397.9
120°945.5701.2594.7546.4504.5468.2436.2389.4350.7
135°1087.0776.4633.8572.5530.9491.2449.4359.6284.4
150°1328.2921.3722.7617.6565.1527.0490.7412.8308.2
Run VMG1533.01063.8834.4706.7629.6581.7545.5474.6355.9
Selected Courses
Windward / Leeward1561.81107.0888.6772.0708.3676.0654.2618.6568.5
All purpose1181.6855.8705.3632.5591.4565.3544.3509.4476.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward742.70.8079
All purpose610.20.9833
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6985
Downwind "popa"0.8684
70% up, 30% down "Ilhabela"0.7420
30% up, 70% down "Ilhabela-inverso"0.8093
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Predominantly Upwind663.80.9039
Predominantly Downwind614.10.9770
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low780.50.7687
Triple Number AP Medium608.20.9866
Triple Number AP High536.51.1185
Triple Number Windward/Leeward Low1042.70.5754
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Single Number Predominant Upwind690.20.8693
Single Number Predominant Reaching606.30.9896
Single Number Predominant Downwind637.60.9411
Predominant Upwind - Low947.70.6331
Predominant Upwind - Low/Med726.40.8260
Predominant Upwind - Medium644.10.9315
Predominant Upwind - Med/High600.80.9987
Predominant Upwind - High577.51.0390
Predominant Downwind Low931.60.6441
Predominant Downwind Low/Med694.30.8641
Predominant Downwind Medium595.71.0071
Predominant Downwind Med/High523.71.1458
Predominant Downwind High462.71.2967
Predominant Reaching Low835.90.7177
Predominant Reaching Low/Med646.00.9288
Predominant Reaching Medium573.01.0472
Predominant Reaching Med/High518.01.1584
Predominant Reaching High472.91.2687
SA/DSPL Upwind24.30SA/DSPL Downwind51.56
Scoring OptionTODTOT
5-Band Windward/Leeward Low1166.40.5144
5-Band Windward/Leeward Low/Med853.10.7033
5-Band Windward/Leeward Medium724.10.8287
5-Band Windward/Leeward Med/High656.40.9141
5-Band Windward/Leeward High616.10.9739
Windward/Leeward 60-40 Low1174.90.5107
Windward/Leeward 60-40 Low/Med865.10.6936
Windward/Leeward 60-40 Medium740.00.8108
Windward/Leeward 60-40 Med/High678.30.8845
Windward/Leeward 60-40 High646.00.9287
5-Band AP Low860.30.6974
5-Band AP Low/Med685.00.8759
5-Band AP Medium599.41.0009
5-Band AP Med/High545.91.0990
5-Band AP High509.61.1773
5-Band SF Bay Tour - Low1006.10.5964
5-Band SF Bay Tour - Low/Med818.60.7330
5-Band SF Bay Tour - Medium701.70.8551
5-Band SF Bay Tour - Med/High638.40.9398
5-Band SF Bay Tour - High599.61.0006
Chicago-Mac Upwind0.8435
Chicago-Mac All Purpose0.8763
Chicago-Mac Downwind0.9053
Bayview-Mac Cove Island0.6432
Bayview-Mac Shore0.6475
Harvest Moon Regatta525.51.1418
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance660.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating654.40.9169
FinRating, kevyt tuuli1145.60.8729
FinRating, kova tuuli509.00.9824
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9081
Triple Number Coastal/Long Distance Low0.7687
Triple Number Coastal/Long Distance Medium0.9867
Triple Number Coastal/Long Distance High1.1185
Triple Number Windward/Leeward Low0.6013
Triple Number Windward/Leeward Medium0.8147
Triple Number Windward/Leeward High0.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
For information
General Purpose Handicap (GPH)684.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low780.5
Triple Number Coastal/Long Distance Medium608.1
Triple Number Coastal/Long Distance High536.4
Triple Number Windward/Leeward Low997.8
Triple Number Windward/Leeward Medium736.5
Triple Number Windward/Leeward High646.3
Predominantly Upwind663.8
Predominantly Downwind614.1
Predominantly Reaching593.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7687
Triple Number Coastal/Long Distance Medium0.9867
Triple Number Coastal/Long Distance High1.1185
Triple Number Windward/Leeward Low0.6013
Triple Number Windward/Leeward Medium0.8147
Triple Number Windward/Leeward High0.9284
Coastal/Long Distance0.9081
Predominantly Upwind0.9039
Predominantly Downwind0.9770
For information
General Purpose Handicap (GPH)684.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9833
Distanseseilas Trippeltall svak vind0.7687
Distanseseilas Trippeltall mellomvind0.9867
Distanseseilas Trippeltall sterk vind1.1185
Pølsebane Trippeltall svak vind0.6013
Pølsebane Trippeltall mellomvind0.8147
Pølsebane Trippeltall sterk vind0.9284
Motvind Singeltall0.9039
Medvind Singeltall0.9770
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Coastal/Long Distance660.70.9081
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind663.80.9039
Predominantly Downwind614.10.9770
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore583.51.0282
Cape Doctor Coastal486.01.2346
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7687
Triple Number Coastal/Long Distance Medium0.9867
Triple Number Coastal/Long Distance High1.1185
Triple Number Windward/Leeward Low0.6013
Triple Number Windward/Leeward Medium0.8147
Triple Number Windward/Leeward High0.9284
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7687
Triple Number Coastal/Long Distance Medium0.9867
Triple Number Coastal/Long Distance High1.1185
Triple Number Windward/Leeward Low0.6013
Triple Number Windward/Leeward Medium0.8147
Triple Number Windward/Leeward High0.9284
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Predominantly Upwind663.80.9039
Predominantly Downwind614.10.9770
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance660.70.9081
Triple Number Coastal/Long Distance Low780.50.7687
Triple Number Coastal/Long Distance Medium608.10.9867
Triple Number Coastal/Long Distance High536.41.1185
Triple Number Windward/Leeward Low997.80.6013
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1650.91102.7837.5703.6628.3585.7548.6484.9450.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low780.50.7687
Triple Number AP Medium608.20.9866
Triple Number AP High536.51.1185
Triple Number Windward/Leeward Low1042.70.5754
Triple Number Windward/Leeward Medium736.50.8147
Triple Number Windward/Leeward High646.30.9284
Single Number Predominant Upwind690.20.8693
Single Number Predominant Reaching606.30.9896
Single Number Predominant Downwind637.60.9411
Predominant Upwind - Low947.70.6331
Predominant Upwind - Low/Med726.40.8260
Predominant Upwind - Medium644.10.9315
Predominant Upwind - Med/High600.80.9987
Predominant Upwind - High577.51.0390
Predominant Downwind Low931.60.6441
Predominant Downwind Low/Med694.30.8641
Predominant Downwind Medium595.71.0071
Predominant Downwind Med/High523.71.1458
Predominant Downwind High462.71.2967
Predominant Reaching Low835.90.7177
Predominant Reaching Low/Med646.00.9288
Predominant Reaching Medium573.01.0472
Predominant Reaching Med/High518.01.1584
Predominant Reaching High472.91.2687
SA/DSPL Upwind24.30SA/DSPL Downwind51.56
Scoring OptionTODTOT
5-Band Windward/Leeward Low1166.40.5144
5-Band Windward/Leeward Low/Med853.10.7033
5-Band Windward/Leeward Medium724.10.8287
5-Band Windward/Leeward Med/High656.40.9141
5-Band Windward/Leeward High616.10.9739
Windward/Leeward 60-40 Low1174.90.5107
Windward/Leeward 60-40 Low/Med865.10.6936
Windward/Leeward 60-40 Medium740.00.8108
Windward/Leeward 60-40 Med/High678.30.8845
Windward/Leeward 60-40 High646.00.9287
5-Band AP Low860.30.6974
5-Band AP Low/Med685.00.8759
5-Band AP Medium599.41.0009
5-Band AP Med/High545.91.0990
5-Band AP High509.61.1773
5-Band SF Bay Tour - Low1006.10.5964
5-Band SF Bay Tour - Low/Med818.60.7330
5-Band SF Bay Tour - Medium701.70.8551
5-Band SF Bay Tour - Med/High638.40.9398
5-Band SF Bay Tour - High599.61.0006
Chicago-Mac Upwind0.8435
Chicago-Mac All Purpose0.8763
Chicago-Mac Downwind0.9053
Bayview-Mac Cove Island0.6432
Bayview-Mac Shore0.6475
Harvest Moon Regatta525.51.1418
ORC Ref  04590003OAEIssued on 21/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
ALESTA YELKENTUR 4666
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPLATU 25 ODMeasurement10/03/2019HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
LOA7.530Max. Beam2.580Draft1.597Displacement1,266Wetted area10.58IMS L7.031LSM06.614Acc. length7.530Sink (kg/mm) 7.67
VCGD-0.230VCGM-0.234RM Rated (kg·m) 22.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight382Declared crew weight380
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P8.650IG9.171ISP9.530MDT10.079MDL10.120MDT20.062MDL20.078TL2.340MW0.121GO0.131
E3.180J2.620BAS1.181FSD0.000SFJ0.000SPL3.430WPLTPSBD0.120MWT35.50MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date21/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04590003OAEIssued on 21/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
ALESTA YELKENTUR 4666
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.140.651.152.022.7216.3310/03/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.100.430.791.391.992.578.88NoNo 12.1310/03/2019
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA9.579.579.575.615.1944.0710/03/2019WHITE
ORC Ref  04590003OAEIssued on 21/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org