Club Certificate2025
TAXI
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 Angles44.3°44.3°42.2°40.8°39.5°38.8°38.3°38.8°39.6°
Beat VMG2.423.364.124.685.095.325.425.495.46
52°3.835.196.196.887.307.547.667.767.78
60°4.105.496.477.117.507.737.877.998.04
75°4.245.696.717.337.667.928.128.388.50
90°4.466.007.077.657.978.168.318.638.92
110°4.365.957.107.758.178.548.869.309.65
120°4.185.766.967.658.098.498.899.6610.26
135°3.645.126.367.267.798.198.599.4410.56
150°3.014.305.446.437.227.708.058.729.46
Run VMG2.613.734.715.576.266.747.167.808.39
Gybe Angles142.6°142.6°147.1°148.4°151.4°155.7°160.9°165.1°175.4°
APH ToD:542.4CDL: 9.903APH ToT: 1.1062CertNo:
BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date01/2004Series date01/2002Offset fileDUFOUR40.offData fileTUR TAXI
HULL
Length Overall12.060Maximum Beam3.890Draft2.094Displacement8,300DLR6.8173IMS DivisionCruiser/RacerDynamic Allowance0.280%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameterm
CREW
Maximum weight760(declared)Minimum weight630 ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail45.0945.76Headsail Luffed33.2733.27Headsail FlyingSymmetricAsymmetric115.85115.85 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail13.86Storm Jib10.76Heavy Weather Jib29.05
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
IRC ENDORSED 2024
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
TAXI
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 VMG1486.81070.2873.5768.7707.3677.3664.4655.2659.6
52°939.6693.8581.9523.6493.0477.6470.0463.9462.7
60°878.7655.2556.1506.2480.3465.9457.4450.3447.7
75°849.8632.4536.2491.1470.1454.8443.5429.7423.4
90°807.0599.5509.0470.6451.9441.0433.4417.0403.4
110°826.0605.4506.8464.4440.6421.5406.1387.0372.9
120°861.2624.7517.2470.4444.8423.8405.1372.7350.9
135°988.6702.9566.4496.2462.3439.4418.9381.4341.0
150°1194.1836.9661.4559.5498.8467.7447.2412.7380.5
Run VMG1378.8966.3763.8646.1575.1534.0503.1461.5429.2
Selected Courses
Windward / Leeward1432.51018.3818.6707.4641.2605.6583.8558.3544.4
All purpose1076.3776.6635.9562.6521.6498.0482.7462.2448.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward674.00.8901
All purpose542.41.1062
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7754
Downwind "popa"0.9438
70% up, 30% down "Ilhabela"0.8193
30% up, 70% down "Ilhabela-inverso"0.8861
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Predominantly Upwind589.61.0177
Predominantly Downwind550.11.0907
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low706.30.8495
Triple Number AP Medium539.01.1132
Triple Number AP High478.81.2530
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Single Number Predominant Upwind614.60.9762
Single Number Predominant Reaching536.61.1181
Single Number Predominant Downwind574.41.0447
Predominant Upwind - Low864.60.6940
Predominant Upwind - Low/Med654.20.9171
Predominant Upwind - Medium568.91.0547
Predominant Upwind - Med/High526.31.1401
Predominant Upwind - High510.01.1765
Predominant Downwind Low842.00.7126
Predominant Downwind Low/Med622.00.9646
Predominant Downwind Medium529.61.1329
Predominant Downwind Med/High475.51.2618
Predominant Downwind High444.01.3512
Predominant Reaching Low748.60.8015
Predominant Reaching Low/Med570.01.0526
Predominant Reaching Medium500.01.2001
Predominant Reaching Med/High461.31.3007
Predominant Reaching High438.61.3680
SA/DSPL Upwind18.98SA/DSPL Downwind38.98
Scoring OptionTODTOT
5-Band Windward/Leeward Low1072.00.5597
5-Band Windward/Leeward Low/Med782.60.7666
5-Band Windward/Leeward Medium656.30.9142
5-Band Windward/Leeward Med/High588.01.0204
5-Band Windward/Leeward High560.31.0708
Windward/Leeward 60-40 Low1082.60.5542
Windward/Leeward 60-40 Low/Med794.30.7554
Windward/Leeward 60-40 Medium669.60.8960
Windward/Leeward 60-40 Med/High604.10.9932
Windward/Leeward 60-40 High579.81.0349
5-Band AP Low776.40.7727
5-Band AP Low/Med613.90.9773
5-Band AP Medium530.81.1305
5-Band AP Med/High485.11.2369
5-Band AP High463.31.2950
5-Band SF Bay Tour - Low925.10.6486
5-Band SF Bay Tour - Low/Med748.10.8020
5-Band SF Bay Tour - Medium632.20.9491
5-Band SF Bay Tour - Med/High570.51.0518
5-Band SF Bay Tour - High544.91.1010
Chicago-Mac Upwind0.9430
Chicago-Mac All Purpose0.9785
Chicago-Mac Downwind1.0069
Bayview-Mac Cove Island0.7095
Bayview-Mac Shore0.7147
Harvest Moon Regatta469.31.2784
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance592.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating592.31.0129
FinRating, kevyt tuuli1048.20.9540
FinRating, kova tuuli466.31.0722
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0129
Triple Number Coastal/Long Distance Low0.8495
Triple Number Coastal/Long Distance Medium1.1134
Triple Number Coastal/Long Distance High1.2530
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
For information
General Purpose Handicap (GPH)610.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low706.3
Triple Number Coastal/Long Distance Medium538.9
Triple Number Coastal/Long Distance High478.9
Triple Number Windward/Leeward Low918.4
Triple Number Windward/Leeward Medium669.2
Triple Number Windward/Leeward High579.7
Predominantly Upwind589.6
Predominantly Downwind550.1
Predominantly Reaching525.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8495
Triple Number Coastal/Long Distance Medium1.1134
Triple Number Coastal/Long Distance High1.2530
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0350
Coastal/Long Distance1.0129
Predominantly Upwind1.0177
Predominantly Downwind1.0907
For information
General Purpose Handicap (GPH)610.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1062
Distanseseilas Trippeltall svak vind0.8495
Distanseseilas Trippeltall mellomvind1.1134
Distanseseilas Trippeltall sterk vind1.2530
Pølsebane Trippeltall svak vind0.6533
Pølsebane Trippeltall mellomvind0.8966
Pølsebane Trippeltall sterk vind1.0350
Motvind Singeltall1.0177
Medvind Singeltall1.0907
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Coastal/Long Distance592.31.0129
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind589.61.0177
Predominantly Downwind550.11.0907
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore548.61.0937
Cape Doctor Coastal452.51.3260
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8495
Triple Number Coastal/Long Distance Medium1.1134
Triple Number Coastal/Long Distance High1.2530
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0350
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8495
Triple Number Coastal/Long Distance Medium1.1134
Triple Number Coastal/Long Distance High1.2530
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8966
Triple Number Windward/Leeward High1.0350
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Predominantly Upwind589.61.0177
Predominantly Downwind550.11.0907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.31.0129
Triple Number Coastal/Long Distance Low706.30.8495
Triple Number Coastal/Long Distance Medium538.91.1134
Triple Number Coastal/Long Distance High478.91.2530
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1517.11013.1767.1635.6557.2517.1487.8442.1427.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low706.30.8495
Triple Number AP Medium539.01.1132
Triple Number AP High478.81.2530
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium669.20.8966
Triple Number Windward/Leeward High579.71.0350
Single Number Predominant Upwind614.60.9762
Single Number Predominant Reaching536.61.1181
Single Number Predominant Downwind574.41.0447
Predominant Upwind - Low864.60.6940
Predominant Upwind - Low/Med654.20.9171
Predominant Upwind - Medium568.91.0547
Predominant Upwind - Med/High526.31.1401
Predominant Upwind - High510.01.1765
Predominant Downwind Low842.00.7126
Predominant Downwind Low/Med622.00.9646
Predominant Downwind Medium529.61.1329
Predominant Downwind Med/High475.51.2618
Predominant Downwind High444.01.3512
Predominant Reaching Low748.60.8015
Predominant Reaching Low/Med570.01.0526
Predominant Reaching Medium500.01.2001
Predominant Reaching Med/High461.31.3007
Predominant Reaching High438.61.3680
SA/DSPL Upwind18.98SA/DSPL Downwind38.98
Scoring OptionTODTOT
5-Band Windward/Leeward Low1072.00.5597
5-Band Windward/Leeward Low/Med782.60.7666
5-Band Windward/Leeward Medium656.30.9142
5-Band Windward/Leeward Med/High588.01.0204
5-Band Windward/Leeward High560.31.0708
Windward/Leeward 60-40 Low1082.60.5542
Windward/Leeward 60-40 Low/Med794.30.7554
Windward/Leeward 60-40 Medium669.60.8960
Windward/Leeward 60-40 Med/High604.10.9932
Windward/Leeward 60-40 High579.81.0349
5-Band AP Low776.40.7727
5-Band AP Low/Med613.90.9773
5-Band AP Medium530.81.1305
5-Band AP Med/High485.11.2369
5-Band AP High463.31.2950
5-Band SF Bay Tour - Low925.10.6486
5-Band SF Bay Tour - Low/Med748.10.8020
5-Band SF Bay Tour - Medium632.20.9491
5-Band SF Bay Tour - Med/High570.51.0518
5-Band SF Bay Tour - High544.91.1010
Chicago-Mac Upwind0.9430
Chicago-Mac All Purpose0.9785
Chicago-Mac Downwind1.0069
Bayview-Mac Cove Island0.7095
Bayview-Mac Shore0.7147
Harvest Moon Regatta469.31.2784
Club Certificate2025
TAXI
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40Measurement30/12/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.094Displacement8,300Wetted area31.38IMS L10.892LSM010.677Acc. length12.060Sink (kg/mm) 24.05
VCGD0.079VCGM0.058RM Rated (kg·m) 199.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight756Declared crew weight760
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRDPBW
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P14.800IG14.563ISP14.740MDT10.122MDL10.225MDT20.122MDL20.225TL0.000MW0.225GO0.255
E5.350J4.180BAS1.673FSD0.040SFJ0.183SPLWPLTPS4.700BD0.160MWT215.00MCG5.520
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date20/01/2026
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
TAXI
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.911.713.1645.09IRC ENDORSED 2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.551.062.184.6414.60YesNo 33.27IRC ENDORSED 2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment018.4216.2317.337.629.6479%115.8514/01/2026measured by MA YELKENBICER
CRUISER/RACER REQUIREMENTS*
Accommodation length12.1 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity152 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity92 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.