Club Certificate2025
ESEN MILATUR 3
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 Angles45.2°45.2°43.3°41.9°40.4°38.9°38.5°38.4°39.2°
Beat VMG2.283.203.974.575.045.385.575.675.61
52°3.614.986.056.817.317.647.837.967.96
60°3.885.306.367.087.537.828.028.208.23
75°4.075.516.567.277.707.998.228.578.71
90°4.075.656.887.648.038.248.418.739.10
110°4.245.887.157.888.338.729.059.509.88
120°4.135.767.047.808.288.729.149.9410.56
135°3.495.056.447.417.988.428.869.8211.19
150°2.974.265.436.537.387.878.248.959.74
Run VMG2.573.694.705.666.406.867.247.888.49
Gybe Angles143.1°143.1°146.9°146.2°150.7°153.4°157.7°160.6°158.4°
APH ToD:540.7CDL: 10.014APH ToT: 1.1096CertNo:
BOAT
ClassDUFOUR 425 GLDesignerUmbertoFelciBuilderDufour YachtsAge date01/2009Series date01/2007Offset fileDUF425CL.OFFData fileTUR 3
HULL
Length Overall12.600 mMaximum Beam4.170 mDraft2.085 mDisplacement8,500 kgDLR6.3995IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight935 kg(declared)Minimum weight795 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.1134.33Headsail Luffed46.0846.08Headsail FlyingSymmetricAsymmetric147.84147.84 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.26Storm Jib10.96Heavy Weather Jib29.58
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
IRC STANDART 02May25
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
ESEN MILATUR 3
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 VMG1582.31124.7906.0788.4714.6668.8646.6634.7641.5
52°997.2722.8594.8528.9492.3471.4459.9452.1452.2
60°926.9679.2565.7508.6478.3460.5449.1439.2437.3
75°885.3653.6548.7495.4467.8450.7437.7419.9413.3
90°884.5637.3523.1471.5448.2436.8428.2412.4395.8
110°849.9612.3503.7457.1432.0412.7397.6379.1364.3
120°871.4625.0511.5461.6434.7412.8393.8362.1340.8
135°1032.2712.7559.3485.7451.3427.5406.1366.7321.8
150°1212.1845.8663.0551.2487.8457.2436.8402.1369.5
Run VMG1399.6976.7765.5636.5562.8524.7497.0456.7423.8
Selected Courses
Windward / Leeward1491.01050.7835.8712.4638.7596.8571.8545.7532.7
All purpose1126.1801.6646.4564.0517.8490.3472.4450.8436.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward674.00.8902
All purpose540.71.1096
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7659
Downwind "popa"0.9502
70% up, 30% down "Ilhabela"0.8132
30% up, 70% down "Ilhabela-inverso"0.8862
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Predominantly Upwind591.71.0141
Predominantly Downwind546.21.0986
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low724.00.8287
Triple Number AP Medium537.11.1170
Triple Number AP High468.81.2799
Triple Number Windward/Leeward Low985.70.6087
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Single Number Predominant Upwind619.50.9685
Single Number Predominant Reaching538.11.1150
Single Number Predominant Downwind572.61.0478
Predominant Upwind - Low903.10.6644
Predominant Upwind - Low/Med667.20.8993
Predominant Upwind - Medium568.71.0550
Predominant Upwind - Med/High515.91.1630
Predominant Upwind - High497.01.2071
Predominant Downwind Low864.80.6938
Predominant Downwind Low/Med623.70.9619
Predominant Downwind Medium523.11.1470
Predominant Downwind Med/High466.11.2874
Predominant Downwind High433.71.3835
Predominant Reaching Low779.80.7694
Predominant Reaching Low/Med576.01.0417
Predominant Reaching Medium496.01.2097
Predominant Reaching Med/High452.61.3258
Predominant Reaching High428.41.4006
SA/DSPL Upwind19.12SA/DSPL Downwind43.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low1107.00.5420
5-Band Windward/Leeward Low/Med794.90.7548
5-Band Windward/Leeward Medium654.80.9163
5-Band Windward/Leeward Med/High577.21.0394
5-Band Windward/Leeward High548.01.0949
Windward/Leeward 60-40 Low1122.50.5345
Windward/Leeward 60-40 Low/Med809.60.7411
Windward/Leeward 60-40 Medium669.80.8958
Windward/Leeward 60-40 Med/High592.61.0125
Windward/Leeward 60-40 High566.01.0601
5-Band AP Low799.10.7509
5-Band AP Low/Med621.20.9658
5-Band AP Medium527.81.1367
5-Band AP Med/High475.61.2615
5-Band AP High452.11.3271
5-Band SF Bay Tour - Low953.50.6293
5-Band SF Bay Tour - Low/Med760.10.7894
5-Band SF Bay Tour - Medium630.70.9513
5-Band SF Bay Tour - Med/High558.81.0737
5-Band SF Bay Tour - High531.11.1297
Chicago-Mac Upwind0.9313
Chicago-Mac All Purpose0.9720
Chicago-Mac Downwind1.0076
Bayview-Mac Cove Island0.6896
Bayview-Mac Shore0.6936
Harvest Moon Regatta464.01.2932
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance591.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating591.71.0141
FinRating, kevyt tuuli1083.20.9232
FinRating, kova tuuli455.41.0979
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0141
Triple Number Coastal/Long Distance Low0.8287
Triple Number Coastal/Long Distance Medium1.1172
Triple Number Coastal/Long Distance High1.2799
Triple Number Windward/Leeward Low0.6361
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
For information
General Purpose Handicap (GPH)612.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low724.0
Triple Number Coastal/Long Distance Medium537.1
Triple Number Coastal/Long Distance High468.8
Triple Number Windward/Leeward Low943.2
Triple Number Windward/Leeward Medium669.2
Triple Number Windward/Leeward High568.3
Predominantly Upwind591.7
Predominantly Downwind546.2
Predominantly Reaching522.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8287
Triple Number Coastal/Long Distance Medium1.1172
Triple Number Coastal/Long Distance High1.2799
Triple Number Windward/Leeward Low0.6361
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0558
Coastal/Long Distance1.0141
Predominantly Upwind1.0141
Predominantly Downwind1.0986
For information
General Purpose Handicap (GPH)612.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1096
Distanseseilas Trippeltall svak vind0.8287
Distanseseilas Trippeltall mellomvind1.1172
Distanseseilas Trippeltall sterk vind1.2799
Pølsebane Trippeltall svak vind0.6361
Pølsebane Trippeltall mellomvind0.8966
Pølsebane Trippeltall sterk vind1.0558
Motvind Singeltall1.0141
Medvind Singeltall1.0986
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Coastal/Long Distance591.71.0141
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind591.71.0141
Predominantly Downwind546.21.0986
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore536.61.1182
Cape Doctor Coastal440.91.3608
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8287
Triple Number Coastal/Long Distance Medium1.1172
Triple Number Coastal/Long Distance High1.2799
Triple Number Windward/Leeward Low0.6361
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0558
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8287
Triple Number Coastal/Long Distance Medium1.1172
Triple Number Coastal/Long Distance High1.2799
Triple Number Windward/Leeward Low0.6361
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0558
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Predominantly Upwind591.71.0141
Predominantly Downwind546.21.0986
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.71.0141
Triple Number Coastal/Long Distance Low724.00.8287
Triple Number Coastal/Long Distance Medium537.11.1172
Triple Number Coastal/Long Distance High468.81.2799
Triple Number Windward/Leeward Low943.20.6361
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1576.21043.3781.8638.5553.8508.8477.4432.1417.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low724.00.8287
Triple Number AP Medium537.11.1170
Triple Number AP High468.81.2799
Triple Number Windward/Leeward Low985.70.6087
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High568.31.0558
Single Number Predominant Upwind619.50.9685
Single Number Predominant Reaching538.11.1150
Single Number Predominant Downwind572.61.0478
Predominant Upwind - Low903.10.6644
Predominant Upwind - Low/Med667.20.8993
Predominant Upwind - Medium568.71.0550
Predominant Upwind - Med/High515.91.1630
Predominant Upwind - High497.01.2071
Predominant Downwind Low864.80.6938
Predominant Downwind Low/Med623.70.9619
Predominant Downwind Medium523.11.1470
Predominant Downwind Med/High466.11.2874
Predominant Downwind High433.71.3835
Predominant Reaching Low779.80.7694
Predominant Reaching Low/Med576.01.0417
Predominant Reaching Medium496.01.2097
Predominant Reaching Med/High452.61.3258
Predominant Reaching High428.41.4006
SA/DSPL Upwind19.12SA/DSPL Downwind43.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low1107.00.5420
5-Band Windward/Leeward Low/Med794.90.7548
5-Band Windward/Leeward Medium654.80.9163
5-Band Windward/Leeward Med/High577.21.0394
5-Band Windward/Leeward High548.01.0949
Windward/Leeward 60-40 Low1122.50.5345
Windward/Leeward 60-40 Low/Med809.60.7411
Windward/Leeward 60-40 Medium669.80.8958
Windward/Leeward 60-40 Med/High592.61.0125
Windward/Leeward 60-40 High566.01.0601
5-Band AP Low799.10.7509
5-Band AP Low/Med621.20.9658
5-Band AP Medium527.81.1367
5-Band AP Med/High475.61.2615
5-Band AP High452.11.3271
5-Band SF Bay Tour - Low953.50.6293
5-Band SF Bay Tour - Low/Med760.10.7894
5-Band SF Bay Tour - Medium630.70.9513
5-Band SF Bay Tour - Med/High558.81.0737
5-Band SF Bay Tour - High531.11.1297
Chicago-Mac Upwind0.9313
Chicago-Mac All Purpose0.9720
Chicago-Mac Downwind1.0076
Bayview-Mac Cove Island0.6896
Bayview-Mac Shore0.6936
Harvest Moon Regatta464.01.2932
Club Certificate2025
ESEN MILATUR 3
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 425 GLMeasurement07/10/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.600Max. Beam4.170Draft2.085Displacement8,500Wetted area33.20IMS L11.295LSM010.991Acc. length12.600Sink (kg/mm) 26.38
VCGD0.228VCGM0.196RM Rated (kg·m) 233.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight788Declared crew weight935
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBWPIPA0.0036
EDL2.630ST10.048ST20.170
ST30.170ST40.170ST50.275
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P13.680IG14.800ISP15.700MDT10.130MDL10.232MDT2MDL2TLMWGO
E4.700J4.750BAS1.700FSDFoilSFJ0.200SPL0.000WPLTPS4.750BD0.180MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date07/10/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
ESEN MILATUR 3
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.100.701.372.573.6534.11IRC
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.090.821.643.286.5514.02NoNo 46.08IRC
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment017.5917.4317.5110.199.90103%147.84IRC
CRUISER/RACER REQUIREMENTS*
Accommodation length12.6 mTable area0.55 m²Headroom1.84 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity165 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity102 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.