Club Certificate2025
AMBIENTE VTUR
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 Angles44.9°44.9°42.9°41.5°39.7°38.2°38.1°37.8°38.3°
Beat VMG2.443.424.244.865.355.665.815.945.92
52°3.885.326.437.197.687.978.148.278.29
60°4.185.666.757.457.888.158.348.518.57
75°4.375.886.957.638.048.328.568.909.04
90°4.175.797.057.848.288.568.749.109.46
110°4.255.917.218.008.478.889.259.8210.24
120°4.145.767.047.878.388.819.2310.0810.93
135°3.615.126.427.408.038.478.899.7810.93
150°2.984.305.496.527.367.928.329.019.75
Run VMG2.583.724.765.656.376.907.328.018.61
Gybe Angles142.4°142.4°146.5°148.3°150.3°153.0°157.9°163.0°161.9°
APH ToD:523.6CDL: 10.932APH ToT: 1.1458CertNo:
BOAT
ClassDufour 445 GLDesignerFelciBuilderDufour yachtsAge date03/2011Series date01/2011Offset fileDUF445CL-DK.OFFData fileTUR AMBIENTE V
HULL
Length Overall13.500 mMaximum Beam4.354 mDraft2.197 mDisplacement10,125 kgDLR6.2696IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.455%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight1,020 kg(declared)Minimum weight867 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail43.3443.94Headsail Luffed50.8050.80Headsail FlyingSymmetricAsymmetric131.56131.56 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.26Storm Jib12.49Heavy Weather Jib33.71
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
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
AMBIENTE VTUR
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 VMG1473.71051.1849.4740.3673.4635.7619.2606.4608.2
52°928.8676.7560.0500.5468.9451.6442.3435.5434.1
60°862.0635.9533.7483.2457.0441.5431.7423.2420.3
75°823.1611.8517.9472.0448.0432.5420.4404.5398.2
90°862.5622.0510.8459.3434.6420.5412.0395.7380.4
110°846.7609.0499.3450.1424.9405.4389.1366.5351.4
120°870.2625.2511.1457.2429.7408.7390.1357.2329.4
135°996.9702.8561.0486.5448.2424.8404.8368.2329.3
150°1208.5837.7655.5551.9489.2454.3432.9399.5369.1
Run VMG1395.4967.3757.0637.3564.8522.0491.6449.3418.2
Selected Courses
Windward / Leeward1434.21009.2803.2688.8619.1578.9555.4527.8513.2
All purpose1081.8771.5623.7546.1501.9475.7459.0437.1422.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward652.00.9203
All purpose523.61.1458
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8115
Downwind "popa"0.9569
70% up, 30% down "Ilhabela"0.8503
30% up, 70% down "Ilhabela-inverso"0.9081
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Predominantly Upwind566.91.0583
Predominantly Downwind536.21.1190
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low697.60.8601
Triple Number AP Medium520.31.1531
Triple Number AP High454.91.3188
Triple Number Windward/Leeward Low947.60.6332
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Single Number Predominant Upwind592.61.0124
Single Number Predominant Reaching522.71.1478
Single Number Predominant Downwind561.71.0683
Predominant Upwind - Low857.00.7001
Predominant Upwind - Low/Med636.60.9425
Predominant Upwind - Medium545.01.1008
Predominant Upwind - Med/High497.21.2067
Predominant Upwind - High479.21.2522
Predominant Downwind Low843.70.7112
Predominant Downwind Low/Med612.40.9798
Predominant Downwind Medium514.31.1667
Predominant Downwind Med/High457.31.3120
Predominant Downwind High425.51.4100
Predominant Reaching Low754.20.7955
Predominant Reaching Low/Med560.31.0708
Predominant Reaching Medium482.51.2435
Predominant Reaching Med/High440.01.3635
Predominant Reaching High416.81.4396
SA/DSPL Upwind19.96SA/DSPL Downwind37.08
Scoring OptionTODTOT
5-Band Windward/Leeward Low1064.00.5639
5-Band Windward/Leeward Low/Med766.00.7833
5-Band Windward/Leeward Medium634.00.9463
5-Band Windward/Leeward Med/High560.01.0714
5-Band Windward/Leeward High530.11.1319
Windward/Leeward 60-40 Low1072.50.5594
Windward/Leeward 60-40 Low/Med775.80.7734
Windward/Leeward 60-40 Medium644.90.9304
Windward/Leeward 60-40 Med/High572.91.0473
Windward/Leeward 60-40 High545.81.0992
5-Band AP Low772.60.7766
5-Band AP Low/Med600.20.9997
5-Band AP Medium511.41.1731
5-Band AP Med/High461.71.2995
5-Band AP High438.41.3687
5-Band SF Bay Tour - Low914.40.6562
5-Band SF Bay Tour - Low/Med731.30.8204
5-Band SF Bay Tour - Medium609.50.9845
5-Band SF Bay Tour - Med/High541.91.1072
5-Band SF Bay Tour - High514.21.1668
Chicago-Mac Upwind0.9746
Chicago-Mac All Purpose1.0042
Chicago-Mac Downwind1.0268
Bayview-Mac Cove Island0.7163
Bayview-Mac Shore0.7210
Harvest Moon Regatta452.31.3266
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance572.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating572.61.0479
FinRating, kevyt tuuli1043.70.9581
FinRating, kova tuuli441.31.1330
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0479
Triple Number Coastal/Long Distance Low0.8601
Triple Number Coastal/Long Distance Medium1.1533
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.6621
Triple Number Windward/Leeward Medium0.9265
Triple Number Windward/Leeward High1.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
For information
General Purpose Handicap (GPH)592.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low697.6
Triple Number Coastal/Long Distance Medium520.2
Triple Number Coastal/Long Distance High455.0
Triple Number Windward/Leeward Low906.2
Triple Number Windward/Leeward Medium647.6
Triple Number Windward/Leeward High550.9
Predominantly Upwind566.9
Predominantly Downwind536.2
Predominantly Reaching510.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8601
Triple Number Coastal/Long Distance Medium1.1533
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.6621
Triple Number Windward/Leeward Medium0.9265
Triple Number Windward/Leeward High1.0891
Coastal/Long Distance1.0479
Predominantly Upwind1.0583
Predominantly Downwind1.1190
For information
General Purpose Handicap (GPH)592.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1458
Distanseseilas Trippeltall svak vind0.8601
Distanseseilas Trippeltall mellomvind1.1533
Distanseseilas Trippeltall sterk vind1.3188
Pølsebane Trippeltall svak vind0.6621
Pølsebane Trippeltall mellomvind0.9265
Pølsebane Trippeltall sterk vind1.0891
Motvind Singeltall1.0583
Medvind Singeltall1.1190
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Coastal/Long Distance572.61.0479
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind566.91.0583
Predominantly Downwind536.21.1190
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore517.61.1592
Cape Doctor Coastal426.91.4056
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8601
Triple Number Coastal/Long Distance Medium1.1533
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.6621
Triple Number Windward/Leeward Medium0.9265
Triple Number Windward/Leeward High1.0891
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8601
Triple Number Coastal/Long Distance Medium1.1533
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.6621
Triple Number Windward/Leeward Medium0.9265
Triple Number Windward/Leeward High1.0891
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Predominantly Upwind566.91.0583
Predominantly Downwind536.21.1190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.61.0479
Triple Number Coastal/Long Distance Low697.60.8601
Triple Number Coastal/Long Distance Medium520.21.1533
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low906.20.6621
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.61005.0753.1618.0536.6493.7464.1419.8403.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low697.60.8601
Triple Number AP Medium520.31.1531
Triple Number AP High454.91.3188
Triple Number Windward/Leeward Low947.60.6332
Triple Number Windward/Leeward Medium647.60.9265
Triple Number Windward/Leeward High550.91.0891
Single Number Predominant Upwind592.61.0124
Single Number Predominant Reaching522.71.1478
Single Number Predominant Downwind561.71.0683
Predominant Upwind - Low857.00.7001
Predominant Upwind - Low/Med636.60.9425
Predominant Upwind - Medium545.01.1008
Predominant Upwind - Med/High497.21.2067
Predominant Upwind - High479.21.2522
Predominant Downwind Low843.70.7112
Predominant Downwind Low/Med612.40.9798
Predominant Downwind Medium514.31.1667
Predominant Downwind Med/High457.31.3120
Predominant Downwind High425.51.4100
Predominant Reaching Low754.20.7955
Predominant Reaching Low/Med560.31.0708
Predominant Reaching Medium482.51.2435
Predominant Reaching Med/High440.01.3635
Predominant Reaching High416.81.4396
SA/DSPL Upwind19.96SA/DSPL Downwind37.08
Scoring OptionTODTOT
5-Band Windward/Leeward Low1064.00.5639
5-Band Windward/Leeward Low/Med766.00.7833
5-Band Windward/Leeward Medium634.00.9463
5-Band Windward/Leeward Med/High560.01.0714
5-Band Windward/Leeward High530.11.1319
Windward/Leeward 60-40 Low1072.50.5594
Windward/Leeward 60-40 Low/Med775.80.7734
Windward/Leeward 60-40 Medium644.90.9304
Windward/Leeward 60-40 Med/High572.91.0473
Windward/Leeward 60-40 High545.81.0992
5-Band AP Low772.60.7766
5-Band AP Low/Med600.20.9997
5-Band AP Medium511.41.1731
5-Band AP Med/High461.71.2995
5-Band AP High438.41.3687
5-Band SF Bay Tour - Low914.40.6562
5-Band SF Bay Tour - Low/Med731.30.8204
5-Band SF Bay Tour - Medium609.50.9845
5-Band SF Bay Tour - Med/High541.91.1072
5-Band SF Bay Tour - High514.21.1668
Chicago-Mac Upwind0.9746
Chicago-Mac All Purpose1.0042
Chicago-Mac Downwind1.0268
Bayview-Mac Cove Island0.7163
Bayview-Mac Shore0.7210
Harvest Moon Regatta452.31.3266
Club Certificate2025
AMBIENTE VTUR
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 445 GLMeasurement09/03/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA13.500Max. Beam4.354Draft2.197Displacement10,125Wetted area37.42IMS L12.031LSM011.731Acc. length13.500Sink (kg/mm) 29.85
VCGD0.254VCGM0.197RM Rated (kg·m) 298.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight864Declared crew weight1,020
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.850IG15.800ISP16.900MDT10.100MDL10.110MDT2MDL2TLMWGO
E5.100J5.000BAS1.800FSD0.050SFJ0.130SPLWPLTPS5.900BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date09/03/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
AMBIENTE VTUR
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.861.663.0543.34IRC STANDART 2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.741.483.156.9515.12NoNo 50.80IRC STANDART 2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment118.1016.1317.129.0210.0490%131.56IRC STANDART 2024
CRUISER/RACER REQUIREMENTS*
Accommodation length13.5 mTable area0.66 m²Headroom1.87 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity225 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity120 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.