Club Certificate2025
GREYDERTUR 7
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°41.2°39.8°38.2°37.3°37.1°38.1°39.2°
Beat VMG1.982.783.433.884.194.364.414.404.33
52°3.044.205.095.595.886.086.176.246.24
60°3.224.415.285.756.036.286.426.546.57
75°3.404.645.535.956.226.546.817.107.25
90°3.694.955.806.286.656.887.097.708.12
110°3.664.955.866.467.057.638.148.899.69
120°3.404.735.756.346.967.668.429.9411.34
135°2.974.215.255.986.537.147.8910.1113.21
150°2.473.564.555.375.986.446.928.3511.54
Run VMG2.133.093.944.655.205.606.007.239.99
Gybe Angles144.8°144.8°147.6°148.8°153.8°156.8°152.8°140.0°142.3°
APH ToD:651.7CDL: 6.185APH ToT: 0.9206CertNo:
BOAT
ClassCHEESE 6.5DesignerSTEVE THOMPSONBuilderDOKAR YACHTAge date08/2023Series date01/2007Offset filecheese65-LB.offData fileTUR 7 GREYDER
HULL
Length Overall6.566 mMaximum Beam2.320 mDraft1.687 mDisplacement818 kgDLR3.6401IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight245 kg(declared)Minimum weight130 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail12.8413.10Headsail Luffed8.808.80Headsail FlyingSymmetricAsymmetric31.9131.91 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail4.04Storm Jib2.15Heavy Weather Jib5.79
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
OUTBOARD ENGINE ONBOARD
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 Certificate2025
GREYDERTUR 7
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 VMG1820.21295.41048.5927.8858.9826.1816.7819.0830.5
52°1183.8856.5707.5643.8612.2592.5583.5576.9577.1
60°1118.7816.5681.4626.3596.5573.6560.3550.7548.0
75°1058.6775.5651.1604.9579.0550.2528.4506.8496.8
90°975.0727.6621.0573.6541.3523.1508.0467.4443.3
110°983.5727.9614.1557.0510.5471.6442.4404.8371.5
120°1060.0761.8626.6568.1517.4470.0427.6362.2317.4
135°1211.8855.7686.2601.6551.1504.2456.4356.2272.6
150°1459.51010.5790.8670.4602.1559.3520.0431.3312.0
Run VMG1686.31166.8913.2774.1691.7642.9599.7498.0360.3
Selected Courses
Windward / Leeward1752.81231.1980.8851.0775.3734.5708.2658.5595.4
All purpose1319.7943.7767.7681.5629.5595.5570.9528.8488.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward813.10.7379
All purpose651.70.9206
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6371
Downwind "popa"0.7945
70% up, 30% down "Ilhabela"0.6773
30% up, 70% down "Ilhabela-inverso"0.7397
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Predominantly Upwind715.30.8388
Predominantly Downwind658.10.9117
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low855.70.7012
Triple Number AP Medium649.90.9232
Triple Number AP High561.31.0690
Triple Number Windward/Leeward Low1157.70.5183
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Single Number Predominant Upwind746.00.8043
Single Number Predominant Reaching642.10.9344
Single Number Predominant Downwind683.90.8774
Predominant Upwind - Low1055.50.5685
Predominant Upwind - Low/Med793.70.7560
Predominant Upwind - Medium691.20.8681
Predominant Upwind - Med/High636.30.9429
Predominant Upwind - High608.50.9860
Predominant Downwind Low1024.20.5858
Predominant Downwind Low/Med751.50.7984
Predominant Downwind Medium635.70.9438
Predominant Downwind Med/High552.31.0863
Predominant Downwind High479.31.2520
Predominant Reaching Low912.60.6575
Predominant Reaching Low/Med691.70.8674
Predominant Reaching Medium601.80.9970
Predominant Reaching Med/High539.11.1129
Predominant Reaching High488.31.2287
SA/DSPL Upwind24.77SA/DSPL Downwind51.20
Scoring OptionTODTOT
5-Band Windward/Leeward Low1299.10.4619
5-Band Windward/Leeward Low/Med941.60.6372
5-Band Windward/Leeward Medium792.70.7570
5-Band Windward/Leeward Med/High709.80.8453
5-Band Windward/Leeward High656.20.9144
Windward/Leeward 60-40 Low1312.20.4572
Windward/Leeward 60-40 Low/Med956.10.6275
Windward/Leeward 60-40 Medium809.60.7411
Windward/Leeward 60-40 Med/High732.30.8193
Windward/Leeward 60-40 High689.10.8707
5-Band AP Low947.20.6335
5-Band AP Low/Med742.80.8078
5-Band AP Medium639.10.9388
5-Band AP Med/High572.91.0474
5-Band AP High529.01.1341
5-Band SF Bay Tour - Low1117.70.5368
5-Band SF Bay Tour - Low/Med901.00.6659
5-Band SF Bay Tour - Medium762.50.7869
5-Band SF Bay Tour - Med/High683.80.8775
5-Band SF Bay Tour - High634.80.9452
Chicago-Mac Upwind0.7770
Chicago-Mac All Purpose0.8116
Chicago-Mac Downwind0.8407
Bayview-Mac Cove Island0.5831
Bayview-Mac Shore0.5875
Harvest Moon Regatta547.21.0964
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance710.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating710.40.8446
FinRating, kevyt tuuli1274.20.7848
FinRating, kova tuuli526.10.9504
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8446
Triple Number Coastal/Long Distance Low0.7012
Triple Number Coastal/Long Distance Medium0.9233
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5425
Triple Number Windward/Leeward Medium0.7431
Triple Number Windward/Leeward High0.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
For information
General Purpose Handicap (GPH)735.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low855.7
Triple Number Coastal/Long Distance Medium649.8
Triple Number Coastal/Long Distance High561.3
Triple Number Windward/Leeward Low1106.0
Triple Number Windward/Leeward Medium807.4
Triple Number Windward/Leeward High696.1
Predominantly Upwind715.3
Predominantly Downwind658.1
Predominantly Reaching628.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7012
Triple Number Coastal/Long Distance Medium0.9233
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5425
Triple Number Windward/Leeward Medium0.7431
Triple Number Windward/Leeward High0.8619
Coastal/Long Distance0.8446
Predominantly Upwind0.8388
Predominantly Downwind0.9117
For information
General Purpose Handicap (GPH)735.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9206
Distanseseilas Trippeltall svak vind0.7012
Distanseseilas Trippeltall mellomvind0.9233
Distanseseilas Trippeltall sterk vind1.0690
Pølsebane Trippeltall svak vind0.5425
Pølsebane Trippeltall mellomvind0.7431
Pølsebane Trippeltall sterk vind0.8619
Motvind Singeltall0.8388
Medvind Singeltall0.9117
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Coastal/Long Distance710.40.8446
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind715.30.8388
Predominantly Downwind658.10.9117
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore614.30.9766
Cape Doctor Coastal500.31.1992
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7012
Triple Number Coastal/Long Distance Medium0.9233
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5425
Triple Number Windward/Leeward Medium0.7431
Triple Number Windward/Leeward High0.8619
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7012
Triple Number Coastal/Long Distance Medium0.9233
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5425
Triple Number Windward/Leeward Medium0.7431
Triple Number Windward/Leeward High0.8619
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Predominantly Upwind715.30.8388
Predominantly Downwind658.10.9117
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low855.70.7012
Triple Number Coastal/Long Distance Medium649.80.9233
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1106.00.5425
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1855.81224.7920.7767.1673.0618.8575.1496.5455.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low855.70.7012
Triple Number AP Medium649.90.9232
Triple Number AP High561.31.0690
Triple Number Windward/Leeward Low1157.70.5183
Triple Number Windward/Leeward Medium807.40.7431
Triple Number Windward/Leeward High696.10.8619
Single Number Predominant Upwind746.00.8043
Single Number Predominant Reaching642.10.9344
Single Number Predominant Downwind683.90.8774
Predominant Upwind - Low1055.50.5685
Predominant Upwind - Low/Med793.70.7560
Predominant Upwind - Medium691.20.8681
Predominant Upwind - Med/High636.30.9429
Predominant Upwind - High608.50.9860
Predominant Downwind Low1024.20.5858
Predominant Downwind Low/Med751.50.7984
Predominant Downwind Medium635.70.9438
Predominant Downwind Med/High552.31.0863
Predominant Downwind High479.31.2520
Predominant Reaching Low912.60.6575
Predominant Reaching Low/Med691.70.8674
Predominant Reaching Medium601.80.9970
Predominant Reaching Med/High539.11.1129
Predominant Reaching High488.31.2287
SA/DSPL Upwind24.77SA/DSPL Downwind51.20
Scoring OptionTODTOT
5-Band Windward/Leeward Low1299.10.4619
5-Band Windward/Leeward Low/Med941.60.6372
5-Band Windward/Leeward Medium792.70.7570
5-Band Windward/Leeward Med/High709.80.8453
5-Band Windward/Leeward High656.20.9144
Windward/Leeward 60-40 Low1312.20.4572
Windward/Leeward 60-40 Low/Med956.10.6275
Windward/Leeward 60-40 Medium809.60.7411
Windward/Leeward 60-40 Med/High732.30.8193
Windward/Leeward 60-40 High689.10.8707
5-Band AP Low947.20.6335
5-Band AP Low/Med742.80.8078
5-Band AP Medium639.10.9388
5-Band AP Med/High572.91.0474
5-Band AP High529.01.1341
5-Band SF Bay Tour - Low1117.70.5368
5-Band SF Bay Tour - Low/Med901.00.6659
5-Band SF Bay Tour - Medium762.50.7869
5-Band SF Bay Tour - Med/High683.80.8775
5-Band SF Bay Tour - High634.80.9452
Chicago-Mac Upwind0.7770
Chicago-Mac All Purpose0.8116
Chicago-Mac Downwind0.8407
Bayview-Mac Cove Island0.5831
Bayview-Mac Shore0.5875
Harvest Moon Regatta547.21.0964
Club Certificate2025
GREYDERTUR 7
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCHEESE 6.5Measurement24/08/2023HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA6.566Max. Beam2.320Draft1.687Displacement818Wetted area8.82IMS L6.326LSM06.079Acc. length6.566Sink (kg/mm) 6.83
VCGD-0.201VCGM-0.152RM Rated (kg·m) 16.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight338Declared crew weight245
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P7.090IG6.850ISP6.990MDT10.074MDL10.110MDT20.074MDL20.110TL0.000MW0.110GO
E3.254J2.376BAS0.830FSD0.000SFJ0.000SPL0.000WPLTPS3.150BD0.143MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date25/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
GREYDERTUR 7
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.140.591.061.882.6112.8424/08/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.060.320.611.231.902.556.98YesNo 8.8024/08/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment09.307.488.394.504.8293%31.9125/04/2025Measured by KAAN IS08.787.197.994.515.6580%31.5328/08/2021