Club Certificate2026
TATTOOITA-16504
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 Angles48.3°45.8°43.9°42.6°41.4°40.4°40.0°41.1°42.9°
Beat VMG2.093.063.794.354.795.085.215.245.10
52°3.344.795.816.547.067.377.547.627.58
60°3.665.126.136.837.297.597.767.877.89
75°3.905.366.367.057.487.788.008.288.39
90°3.795.386.567.357.808.058.218.548.86
110°3.905.556.777.538.008.398.759.289.71
120°3.785.406.627.427.928.338.759.5810.28
135°3.314.826.056.997.608.048.459.3310.38
150°2.754.075.216.196.977.517.898.589.32
Run VMG2.383.534.515.366.046.546.957.628.21
Gybe Angles140.3°143.8°147.1°148.3°150.1°153.3°157.9°162.8°161.0°
APH ToD:566.1CDL: 9.241APH ToT: 1.0599CertNo:26/2
BOAT
ClassDufour 405 GLDesignerFelciBuilderDufour YachtsAge date07/2009Series date07/2009Offset fileduf405.offData fileI16504
HULL
Length Overall11.818 mMaximum Beam3.998 mDraft1.983 mDisplacement8,164 kgDLR7.2812IMS DivisionCruiser/RacerDynamic Allowance0.360%Age Allowance0.552%RS Assessment0.000%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.457m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.0636.66Headsail Luffed44.3544.35Headsail FlyingSymmetricAsymmetric113.36113.36 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail10.87Storm Jib10.71Heavy Weather Jib28.91
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 257.8 kg·m Stability Index 119.8
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.
ORC Ref  03190004K5S Issued on 02/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TATTOOITA-16504
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 VMG1724.11177.8949.9827.8751.6708.7691.4687.3706.5
52°1077.3752.1620.1550.4510.2488.3477.4472.7475.0
60°983.8703.0587.7527.0493.6474.6463.8457.3456.6
75°923.8671.7566.0510.6481.0462.8449.9434.5429.2
90°950.5669.2549.1490.0461.8447.1438.2421.6406.3
110°923.4648.5532.0478.1450.2429.1411.4388.1370.8
120°951.5666.1544.1485.2454.7432.0411.4375.7350.2
135°1086.7746.5595.3514.9473.4447.8425.8386.1346.7
150°1310.1884.2690.9581.8516.2479.4456.2419.6386.4
Run VMG1512.81021.0797.8671.8596.0550.7517.8472.5438.5
Selected Courses
Windward / Leeward1618.51099.4873.9749.8673.8629.7604.6579.9572.5
All purpose1215.5838.8677.1591.2541.7512.6494.5473.7462.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward709.80.8453
All purpose566.11.0599
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7248
Downwind "popa"0.9076
70% up, 30% down "Ilhabela"0.7714
30% up, 70% down "Ilhabela-inverso"0.8438
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Predominantly Upwind619.50.9685
Predominantly Downwind572.61.0479
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP590.81.0156 Predom. Rc High447.01.3424 5B SF Bay L/M795.00.7547 TriNum AP Low758.00.7916 Predom. Dn Low913.10.6571 5B SF Bay Med664.30.9033 TriNum AP Med562.31.0670 Predom. Dn L/M655.00.9160 5B SF Bay M/H591.31.0147 TriNum AP High491.21.2215 Predom. Dn Med548.61.0937 5B SF Bay High566.11.0598 TriNum W/L Low1037.40.5784 Predom. Dn M/H486.91.2323 5B AP Low843.90.7110 TriNum W/L Med704.80.8513 Predom. Dn High453.81.3221 5B AP L/M650.70.9221 TriNum W/L Hig601.60.9973 ChiMac Up Low821.70.7302 5B AP Med552.41.0861 Predom. Upwind651.20.9214 ChiMac Up Med726.10.8263 5B AP M/H498.01.2048 Predom. Reaching563.31.0651 ChiMac Up High616.80.9728 5B AP High475.41.2621 Predom. Downwind601.70.9972 ChiMac Off Low774.30.7749 5B W/L Low1172.80.5116 Predom. Up Low955.30.6281 ChiMac Off Med676.10.8874 5B W/L L/M833.80.7196 Predom. Up L/M698.50.8590 ChiMac Off High561.51.0686 5B W/L Med690.00.8696 Predom. Up Med595.01.0084 ChiMac AP Low793.80.7558 5B W/L M/H610.50.9829 Predom. Up M/H541.71.1076 ChiMac AP Med698.10.8595 5B W/L High582.91.0294 Predom. Up High526.11.1406 ChiMac AP High587.11.0220 W/L 60-40 Low1189.70.5043 Predom. Rc Low823.60.7285 BayMac Cove Island922.80.6502 W/L 60-40 L/M849.30.7065 Predom. Rc L/M603.70.9939 BayMac Shore916.10.6550 W/L 60-40 Med705.70.8502 Predom. Rc Med517.31.1599 Harvest Moon488.61.2281 W/L 60-40 M/H628.10.9553 Predom. Rc M/H470.61.2750 5B SF Bay Low983.70.6100 W/L 60-40 High604.60.9925      SA/DSPL Up19.69SA/DSPL Dn36.59
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance619.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating619.60.9684
FinRating, kevyt tuuli1153.20.8671
FinRating, kova tuuli478.41.0452
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9683
Triple Number Coastal/Long Distance Low0.7916
Triple Number Coastal/Long Distance Medium1.0672
Triple Number Coastal/Long Distance High1.2215
Triple Number Windward/Leeward Low0.6081
Triple Number Windward/Leeward Medium0.8513
Triple Number Windward/Leeward High0.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
For information
General Purpose Handicap (GPH)641.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Saronikos S All Purpose669.80.8957
Saronikos S Upwind765.10.7842
Saronikos S Downwind550.11.0907
Saronikos N All Purpose695.50.8626
Saronikos N Upwind801.10.7490
Saronikos N Downwind595.11.0082
Saronikos SW All Purpose676.70.8866
Saronikos SW Upwind794.90.7548
Saronikos SW Downwind551.91.0872
Saronikos NE All Purpose721.50.8316
Saronikos NE Upwind747.70.8024
Saronikos NE Downwind672.60.8920
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose590.81.0156
5-Band All Purpose Low929.80.6453
5-Band All Purpose L/M674.10.8900
5-Band All Purpose Med570.21.0522
5-Band All Purpose M/H513.61.1683
5-Band All Purpose High489.51.2257
Single Number Predominant Upwind618.90.9694
Single Number Predominant Reaching537.21.1170
Single Number Predominant Downwind572.61.0479
5-Band 50-50 Windward/Leeward Low1172.80.5116
5-Band 50-50 Windward/Leeward L/M833.80.7196
5-Band 50-50 Windward/Leeward Med690.00.8696
5-Band 50-50 Windward/Leeward M/H610.50.9829
5-Band 50-50 Windward/Leeward High582.91.0294
5-Band 60-40 Windward/Leeward Low1189.70.5043
5-Band 60-40 Windward/Leeward L/M849.30.7065
5-Band 60-40 Windward/Leeward Med705.70.8502
5-Band 60-40 Windward/Leeward M/H628.10.9553
5-Band 60-40 Windward/Leeward High604.60.9925
Triple Number 50-50 Windward/Leeward Low1037.40.5784
Triple Number 50-50 Windward/Leeward Med704.90.8512
Triple Number 50-50 Windward/Leeward High601.60.9973
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward725.90.8265
Triple Number 60-40 Windward/Leeward Low1053.50.5695
Triple Number 60-40 Windward/Leeward Med720.50.8328
Triple Number 60-40 Windward/Leeward High620.10.9676
Triple Number All-Purpose Low827.00.7255
Triple Number All-Purpose Med580.61.0334
Triple Number All-Purpose High506.41.1848
Triple Number Predominant Upwind Low858.20.6992
Triple Number Predominant Upwind Med608.80.9855
Triple Number Predominant Upwind High541.01.1091
Triple Number Predominant Reaching Low740.40.8104
Triple Number Predominant Reaching Med535.91.1196
Triple Number Predominant Reaching High454.31.3206
Triple Number Predominant Downwind Low809.70.7410
Triple Number Predominant Downwind Med559.21.0729
Triple Number Predominant Downwind High468.91.2797
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low758.0
Triple Number Coastal/Long Distance Medium562.2
Triple Number Coastal/Long Distance High491.2
Triple Number Windward/Leeward Low986.7
Triple Number Windward/Leeward Medium704.8
Triple Number Windward/Leeward High601.6
Predominantly Upwind619.5
Predominantly Downwind572.6
Predominantly Reaching546.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7916
Triple Number Coastal/Long Distance Medium1.0672
Triple Number Coastal/Long Distance High1.2215
Triple Number Windward/Leeward Low0.6081
Triple Number Windward/Leeward Medium0.8513
Triple Number Windward/Leeward High0.9973
Coastal/Long Distance0.9683
Predominantly Upwind0.9685
Predominantly Downwind1.0479
For information
General Purpose Handicap (GPH)641.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0599
Distanseseilas Trippeltall svak vind0.7916
Distanseseilas Trippeltall mellomvind1.0672
Distanseseilas Trippeltall sterk vind1.2215
Pølsebane Trippeltall svak vind0.6081
Pølsebane Trippeltall mellomvind0.8513
Pølsebane Trippeltall sterk vind0.9973
Motvind Singeltall0.9685
Medvind Singeltall1.0479
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Coastal/Long Distance619.60.9683
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind619.50.9685
Predominantly Downwind572.61.0479
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore574.71.0441
Cape Doctor Coastal466.01.2876
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7916
Triple Number Coastal/Long Distance Medium1.0672
Triple Number Coastal/Long Distance High1.2215
Triple Number Windward/Leeward Low0.6081
Triple Number Windward/Leeward Medium0.8513
Triple Number Windward/Leeward High0.9973
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7916
Triple Number Coastal/Long Distance Medium1.0672
Triple Number Coastal/Long Distance High1.2215
Triple Number Windward/Leeward Low0.6081
Triple Number Windward/Leeward Medium0.8513
Triple Number Windward/Leeward High0.9973
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Predominantly Upwind619.50.9685
Predominantly Downwind572.61.0479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low758.00.7916
Triple Number Coastal/Long Distance Medium562.21.0672
Triple Number Coastal/Long Distance High491.21.2215
Triple Number Windward/Leeward Low986.70.6081
Triple Number Windward/Leeward Medium704.80.8513
Triple Number Windward/Leeward High601.60.9973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.91091.6817.7670.6580.7532.4499.3450.5436.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP590.81.0156 Predom. Dn High453.81.3221 5B AP M/H498.01.2048 TriNum AP Low758.00.7916 Predom. Rc Low823.60.7285 5B AP High475.41.2621 TriNum AP Med562.31.0670 Predom. Rc L/M603.70.9939 5B SF Bay Low983.70.6100 TriNum AP High491.21.2215 Predom. Rc Med517.31.1599 5B SF Bay L/M795.00.7547 TriNum W/L Low1037.40.5784 Predom. Rc M/H470.61.2750 5B SF Bay Med664.30.9033 TriNum W/L Med704.80.8513 Predom. Rc High447.01.3424 5B SF Bay M/H591.31.0147 TriNum W/L Hig601.60.9973 5B W/L Low1172.80.5116 5B SF Bay High566.11.0598 Predom. Upwind651.20.9214 5B W/L L/M833.80.7196 ChiMac Up Low821.70.7302 Predom. Reaching563.31.0651 5B W/L Med690.00.8696 ChiMac Up Med726.10.8263 Predom. Downwind601.70.9972 5B W/L M/H610.50.9829 ChiMac Up High616.80.9728 Predom. Up Low955.30.6281 5B W/L High582.91.0294 ChiMac Off Low774.30.7749 Predom. Up L/M698.50.8590 W/L 60-40 Low1189.70.5043 ChiMac Off Med676.10.8874 Predom. Up Med595.01.0084 W/L 60-40 L/M849.30.7065 ChiMac Off High561.51.0686 Predom. Up M/H541.71.1076 W/L 60-40 Med705.70.8502 ChiMac AP Low793.80.7558 Predom. Up High526.11.1406 W/L 60-40 M/H628.10.9553 ChiMac AP Med698.10.8595 Predom. Dn Low913.10.6571 W/L 60-40 High604.60.9925 ChiMac AP High587.11.0220 Predom. Dn L/M655.00.9160 5B AP Low843.90.7110 BayMac Cove Island922.80.6502 Predom. Dn Med548.61.0937 5B AP L/M650.70.9221 BayMac Shore916.10.6550 Predom. Dn M/H486.91.2323 5B AP Med552.41.0861 Harvest Moon488.61.2281      SA/DSPL Up19.69SA/DSPL Dn36.59
ORC Ref  03190004K5S Issued on 02/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TATTOOITA-16504
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 405 GLMeasurement01/07/2009HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.818Maximum beam3.998Draft1.983Displacement8,164Wetted area34.02IMS L10.587LSM010.388Accomod. length11.818Sink (kg/mm) 25.50
VCGD-0.100VCGM0.062 RM Rated (kg·m) 257.8Limit of positive stability(°) 117.4 Stability Index 119.8 BLR index 0.0000Default crew weight727 Declared crew weight 450
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.457PBW0.113PIPA0.0039
EDL2.790ST10.065ST20.180
ST30.180ST40.110ST50.275
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingYesFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P13.500IG14.550ISP15.200MDT10.130MDL10.220MDT20.130MDL20.220TLMW0.220GO0.245
E4.600J4.410BAS1.700FSDNo FoilSFJ0.250SPLWPLTPS5.600BD0.188MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date21/02/2024
SFFP0.533FFM1.515FF1.515LCFcl6.551SG1.0250
SAFP11.375FAM1.218FA1.218LCFsh6.850HBI1.323
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004K5S Issued on 02/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TATTOOITA-16504
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.100.931.662.833.8236.0631/08/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.060.000.000.000.006.3513.85NoNo 44.35
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA16.5014.5015.508.778.80100%113.3627/03/2026B15.5014.2014.857.268.6084%93.1631/08/2020A1
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length11.8 mTable area0.55 m²Headroom1.80 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity145 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity86 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004K5S Issued on 02/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org