Club Certificate2025
NAVITA IITUR 4041
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 Angles44.1°44.1°42.2°40.6°39.2°38.5°38.1°38.5°39.3°
Beat VMG2.513.484.244.815.195.385.475.545.50
52°3.965.356.367.027.407.617.707.797.82
60°4.245.676.647.247.597.797.928.038.08
75°4.425.876.847.407.747.998.188.428.54
90°4.245.806.957.607.978.198.358.718.98
110°4.285.887.077.738.158.538.879.369.73
120°4.155.726.917.628.078.478.869.6610.36
135°3.655.116.327.217.758.168.569.4010.50
150°3.014.305.446.417.187.678.028.699.43
Run VMG2.603.724.715.556.236.727.147.798.37
Gybe Angles142.8°142.8°147.2°148.9°151.4°155.7°161.0°165.5°164.2°
APH ToD:538.8CDL: 10.077APH ToT: 1.1136CertNo:
BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date01/2005Series date01/2002Offset fileDUFOUR40.offData fileTUR 4041 NAVITA II
HULL
Length Overall12.060 mMaximum Beam3.890 mDraft2.086 mDisplacement8,123 kgDLR6.8071IMS DivisionCruiser/RacerDynamic Allowance0.270%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameterm
CREW
Maximum weight850 kg(declared)Minimum weight720 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail45.2446.08Headsail Luffed39.2639.26Headsail FlyingSymmetricAsymmetric109.18109.18 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.55Storm Jib10.76Heavy Weather Jib29.05
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
IRC STANDART 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
NAVITA IITUR 4041
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 VMG1432.01035.9849.4748.9693.3669.3657.8649.7654.1
52°908.3672.6566.5513.0486.4473.3467.4461.9460.6
60°848.9635.4542.2497.4474.6461.9454.8448.4445.7
75°815.3613.3526.7486.5465.1450.6439.9427.8421.5
90°848.5620.7518.4473.8451.9439.4431.2413.5401.1
110°841.3612.3509.1465.7441.6422.0405.9384.6370.1
120°867.7629.4520.8472.3446.3425.2406.3372.8347.4
135°985.7704.3570.0499.3464.4441.3420.7383.1342.9
150°1197.8838.1662.0561.4501.5469.4448.7414.1382.0
Run VMG1383.0967.7764.4648.3578.2535.9504.3462.1430.1
Selected Courses
Windward / Leeward1406.91001.8806.9698.6635.7602.6581.0555.9542.1
All purpose1064.1768.5629.8558.0518.3495.9480.8460.4446.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward667.70.8987
All purpose538.81.1136
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7918
Downwind "popa"0.9415
70% up, 30% down "Ilhabela"0.8315
30% up, 70% down "Ilhabela-inverso"0.8910
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Predominantly Upwind582.71.0297
Predominantly Downwind549.61.0917
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low699.20.8582
Triple Number AP Medium535.31.1209
Triple Number AP High476.91.2581
Triple Number Windward/Leeward Low943.90.6357
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Single Number Predominant Upwind607.10.9883
Single Number Predominant Reaching536.01.1194
Single Number Predominant Downwind573.91.0454
Predominant Upwind - Low849.00.7068
Predominant Upwind - Low/Med644.10.9316
Predominant Upwind - Medium562.41.0668
Predominant Upwind - Med/High522.91.1475
Predominant Upwind - High507.31.1828
Predominant Downwind Low841.00.7134
Predominant Downwind Low/Med621.40.9656
Predominant Downwind Medium529.41.1334
Predominant Downwind Med/High475.31.2623
Predominant Downwind High443.71.3521
Predominant Reaching Low750.90.7990
Predominant Reaching Low/Med569.61.0534
Predominant Reaching Medium498.71.2032
Predominant Reaching Med/High460.01.3045
Predominant Reaching High437.21.3725
SA/DSPL Upwind20.77SA/DSPL Downwind37.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low1054.50.5690
5-Band Windward/Leeward Low/Med772.20.7770
5-Band Windward/Leeward Medium650.40.9225
5-Band Windward/Leeward Med/High585.01.0256
5-Band Windward/Leeward High557.91.0755
Windward/Leeward 60-40 Low1061.30.5654
Windward/Leeward 60-40 Low/Med781.40.7678
Windward/Leeward 60-40 Medium662.10.9062
Windward/Leeward 60-40 Med/High600.30.9995
Windward/Leeward 60-40 High576.71.0405
5-Band AP Low770.40.7788
5-Band AP Low/Med608.50.9861
5-Band AP Medium527.31.1378
5-Band AP Med/High483.11.2420
5-Band AP High461.51.3002
5-Band SF Bay Tour - Low909.80.6595
5-Band SF Bay Tour - Low/Med737.70.8133
5-Band SF Bay Tour - Medium626.20.9582
5-Band SF Bay Tour - Med/High567.51.0572
5-Band SF Bay Tour - High542.61.1059
Chicago-Mac Upwind0.9560
Chicago-Mac All Purpose0.9851
Chicago-Mac Downwind1.0077
Bayview-Mac Cove Island0.7170
Bayview-Mac Shore0.7219
Harvest Moon Regatta468.01.2821
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance587.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating587.61.0211
FinRating, kevyt tuuli1033.80.9673
FinRating, kova tuuli464.51.0765
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0211
Triple Number Coastal/Long Distance Low0.8582
Triple Number Coastal/Long Distance Medium1.1210
Triple Number Coastal/Long Distance High1.2581
Triple Number Windward/Leeward Low0.6634
Triple Number Windward/Leeward Medium0.9054
Triple Number Windward/Leeward High1.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
For information
General Purpose Handicap (GPH)606.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low699.1
Triple Number Coastal/Long Distance Medium535.2
Triple Number Coastal/Long Distance High476.9
Triple Number Windward/Leeward Low904.4
Triple Number Windward/Leeward Medium662.7
Triple Number Windward/Leeward High577.0
Predominantly Upwind582.7
Predominantly Downwind549.6
Predominantly Reaching524.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8582
Triple Number Coastal/Long Distance Medium1.1210
Triple Number Coastal/Long Distance High1.2581
Triple Number Windward/Leeward Low0.6634
Triple Number Windward/Leeward Medium0.9054
Triple Number Windward/Leeward High1.0399
Coastal/Long Distance1.0211
Predominantly Upwind1.0297
Predominantly Downwind1.0917
For information
General Purpose Handicap (GPH)606.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1136
Distanseseilas Trippeltall svak vind0.8582
Distanseseilas Trippeltall mellomvind1.1210
Distanseseilas Trippeltall sterk vind1.2581
Pølsebane Trippeltall svak vind0.6634
Pølsebane Trippeltall mellomvind0.9054
Pølsebane Trippeltall sterk vind1.0399
Motvind Singeltall1.0297
Medvind Singeltall1.0917
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Coastal/Long Distance587.61.0211
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind582.71.0297
Predominantly Downwind549.61.0917
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore546.31.0984
Cape Doctor Coastal450.61.3316
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8582
Triple Number Coastal/Long Distance Medium1.1210
Triple Number Coastal/Long Distance High1.2581
Triple Number Windward/Leeward Low0.6634
Triple Number Windward/Leeward Medium0.9054
Triple Number Windward/Leeward High1.0399
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8582
Triple Number Coastal/Long Distance Medium1.1210
Triple Number Coastal/Long Distance High1.2581
Triple Number Windward/Leeward Low0.6634
Triple Number Windward/Leeward Medium0.9054
Triple Number Windward/Leeward High1.0399
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Predominantly Upwind582.71.0297
Predominantly Downwind549.61.0917
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance587.61.0211
Triple Number Coastal/Long Distance Low699.10.8582
Triple Number Coastal/Long Distance Medium535.21.1210
Triple Number Coastal/Long Distance High476.91.2581
Triple Number Windward/Leeward Low904.40.6634
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1491.5998.4757.7629.1553.3514.9486.2440.6425.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low699.20.8582
Triple Number AP Medium535.31.1209
Triple Number AP High476.91.2581
Triple Number Windward/Leeward Low943.90.6357
Triple Number Windward/Leeward Medium662.70.9054
Triple Number Windward/Leeward High577.01.0399
Single Number Predominant Upwind607.10.9883
Single Number Predominant Reaching536.01.1194
Single Number Predominant Downwind573.91.0454
Predominant Upwind - Low849.00.7068
Predominant Upwind - Low/Med644.10.9316
Predominant Upwind - Medium562.41.0668
Predominant Upwind - Med/High522.91.1475
Predominant Upwind - High507.31.1828
Predominant Downwind Low841.00.7134
Predominant Downwind Low/Med621.40.9656
Predominant Downwind Medium529.41.1334
Predominant Downwind Med/High475.31.2623
Predominant Downwind High443.71.3521
Predominant Reaching Low750.90.7990
Predominant Reaching Low/Med569.61.0534
Predominant Reaching Medium498.71.2032
Predominant Reaching Med/High460.01.3045
Predominant Reaching High437.21.3725
SA/DSPL Upwind20.77SA/DSPL Downwind37.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low1054.50.5690
5-Band Windward/Leeward Low/Med772.20.7770
5-Band Windward/Leeward Medium650.40.9225
5-Band Windward/Leeward Med/High585.01.0256
5-Band Windward/Leeward High557.91.0755
Windward/Leeward 60-40 Low1061.30.5654
Windward/Leeward 60-40 Low/Med781.40.7678
Windward/Leeward 60-40 Medium662.10.9062
Windward/Leeward 60-40 Med/High600.30.9995
Windward/Leeward 60-40 High576.71.0405
5-Band AP Low770.40.7788
5-Band AP Low/Med608.50.9861
5-Band AP Medium527.31.1378
5-Band AP Med/High483.11.2420
5-Band AP High461.51.3002
5-Band SF Bay Tour - Low909.80.6595
5-Band SF Bay Tour - Low/Med737.70.8133
5-Band SF Bay Tour - Medium626.20.9582
5-Band SF Bay Tour - Med/High567.51.0572
5-Band SF Bay Tour - High542.61.1059
Chicago-Mac Upwind0.9560
Chicago-Mac All Purpose0.9851
Chicago-Mac Downwind1.0077
Bayview-Mac Cove Island0.7170
Bayview-Mac Shore0.7219
Harvest Moon Regatta468.01.2821
Club Certificate2025
NAVITA IITUR 4041
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40Measurement08/11/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.086Displacement8,123Wetted area31.10IMS L10.876LSM010.606Acc. length12.060Sink (kg/mm) 23.87
VCGD0.057VCGM0.043RM Rated (kg·m) 198.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight749Declared crew weight850
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 backstays0CheckstaysSpreaders2Rotating mastNo
P14.600IG14.563ISP14.740MDT10.122MDL10.225MDT20.122MDL20.225TL0.000MW0.225GO0.255
E5.300J4.170BAS1.673FSD0.040SFJ0.183SPLWPLTPS5.120BD0.160MWT215.00MCG5.520
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/11/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
NAVITA IITUR 4041
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment11.021.873.2645.24IRC ENDORSED 2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.671.312.645.5014.41YesNo 39.26IRC ENDORSED 2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment116.6514.9515.808.328.18102%109.18IRC ENDORSED 2024
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.