Club Certificate2026
SOFFIOITA-18019
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 Angles47.8°45.3°43.4°42.0°40.9°39.7°39.1°39.3°40.4°
Beat VMG2.113.093.834.394.845.155.315.405.33
52°3.374.825.836.577.087.397.567.687.68
60°3.675.146.146.857.307.587.767.917.95
75°3.905.356.367.057.487.767.988.288.40
90°3.855.466.637.387.798.028.178.478.80
110°3.965.646.867.588.038.408.749.219.57
120°3.855.496.717.497.968.368.779.5610.17
135°3.384.896.137.087.668.088.499.3610.41
150°2.804.135.266.257.057.567.938.609.34
Run VMG2.423.584.565.416.116.596.997.638.21
Gybe Angles139.7°143.5°147.4°147.7°150.3°153.7°158.6°162.8°160.7°
APH ToD:561.8CDL: 9.373APH ToT: 1.0680CertNo:26/1
BOAT
ClassDufour 405 GLDesignerFelciBuilderDufour YachtsAge date07/2011Series date01/2009Offset fileDUF405CL.offData fileI18019
HULL
Length Overall11.900Maximum Beam3.984Draft2.026Displacement7,935DLR7.0421IMS DivisionCruiser/RacerDynamic Allowance0.310%Age Allowance0.552%RS Assessment-0.051%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.300m
CREW
Maximum weight640(declared)Minimum weight510 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0835.59Headsail Luffed42.1242.12Headsail FlyingSymmetricAsymmetric120.03120.03 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail10.71Storm Jib9.95Heavy Weather Jib26.86
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 206.5 Stability Index 122.2
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  03190004BAH Issued on 12/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SOFFIOITA-18019
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 VMG1703.41165.8940.9820.1744.0699.2678.2667.1675.2
52°1068.1747.5617.9548.1508.6487.4476.0468.8468.5
60°979.6700.9586.7525.7493.2474.7463.8455.0452.8
75°923.2672.6566.4510.4481.3463.7451.1434.9428.3
90°935.8659.5542.7487.5461.8448.9440.5424.9409.0
110°908.1638.7525.1474.7448.6428.7412.1390.8376.0
120°934.5655.3536.1480.8452.2430.4410.7376.4354.1
135°1065.6735.8587.6508.7469.9445.4423.9384.5345.7
150°1286.8871.9684.5575.9510.7476.2454.2418.5385.4
Run VMG1485.91006.7790.3665.0589.5546.5514.9471.5438.3
Selected Courses
Windward / Leeward1594.61086.3865.6742.6666.8622.8596.5569.3556.7
All purpose1199.3829.5671.1586.6538.1509.6491.1469.2455.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward702.10.8546
All purpose561.81.0680
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7349
Downwind "popa"0.9161
70% up, 30% down "Ilhabela"0.7812
30% up, 70% down "Ilhabela-inverso"0.8530
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Predominantly Upwind614.70.9761
Predominantly Downwind568.01.0563
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP585.91.0241 Predom. Rc High445.21.3476 5B SF Bay L/M786.90.7625 TriNum AP Low750.30.7997 Predom. Dn Low900.70.6662 5B SF Bay Med657.50.9126 TriNum AP Med558.31.0747 Predom. Dn L/M648.40.9254 5B SF Bay M/H583.51.0283 TriNum AP High487.51.2308 Predom. Dn Med544.51.1020 5B SF Bay High555.31.0806 TriNum W/L Low1025.50.5851 Predom. Dn M/H484.31.2389 5B AP Low834.50.7190 TriNum W/L Med697.60.8601 Predom. Dn High451.31.3296 5B AP L/M645.00.9303 TriNum W/L Hig592.91.0119 ChiMac Up Low813.70.7374 5B AP Med548.61.0938 Predom. Upwind645.30.9298 ChiMac Up Med719.40.8341 5B AP M/H494.51.2134 Predom. Reaching559.31.0728 ChiMac Up High610.80.9823 5B AP High470.61.2748 Predom. Downwind596.21.0063 ChiMac Off Low765.00.7843 5B W/L Low1158.20.5180 Predom. Up Low945.10.6349 ChiMac Off Med669.00.8968 5B W/L L/M825.40.7269 Predom. Up L/M692.70.8662 ChiMac Off High556.91.0773 5B W/L Med682.80.8787 Predom. Up Med590.71.0157 ChiMac AP Low785.20.7641 5B W/L M/H602.30.9962 Predom. Up M/H536.81.1178 ChiMac AP Med691.20.8680 5B W/L High571.91.0492 Predom. Up High518.21.1578 ChiMac AP High582.01.0309 W/L 60-40 Low1175.40.5105 Predom. Rc Low813.00.7380 BayMac Cove Island911.60.6582 W/L 60-40 L/M840.80.7136 Predom. Rc L/M598.21.0030 BayMac Shore905.00.6630 W/L 60-40 Med698.20.8593 Predom. Rc Med514.61.1661 Harvest Moon487.11.2317 W/L 60-40 M/H618.90.9694 Predom. Rc M/H469.21.2788 5B SF Bay Low972.40.6171 W/L 60-40 High591.61.0142      SA/DSPL Up19.27SA/DSPL Dn38.72
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance614.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating614.70.9761
FinRating, kevyt tuuli1138.50.8784
FinRating, kova tuuli473.81.0552
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9761
Triple Number Coastal/Long Distance Low0.7997
Triple Number Coastal/Long Distance Medium1.0749
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6148
Triple Number Windward/Leeward Medium0.8601
Triple Number Windward/Leeward High1.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
For information
General Purpose Handicap (GPH)636.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Saronikos S All_Purpose664.50.9030
Saronikos S Upwind758.80.7908
Saronikos S Downwind545.41.1002
Saronikos N All_Purpose664.50.9030
Saronikos N Upwind792.20.7574
Saronikos N Downwind588.41.0197
Saronikos SW All_Purpose671.30.8937
Saronikos SW Upwind788.60.7608
Saronikos SW Downwind546.51.0979
Saronikos NE All_Purpose713.20.8413
Saronikos NE Upwind740.50.8103
Saronikos NE Downwind663.70.9040
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose585.91.0241
5-Band All-Purpose Low918.40.6533
5-Band All-Purpose L/M668.00.8983
5-Band All-Purpose Med566.11.0598
5-Band All-Purpose M/H510.01.1765
5-Band All-Purpose High484.61.2380
Single Number Predominant Upwind614.20.9769
Single Number Predominant Reaching533.81.1241
Single Number Predominant Downwind568.01.0564
5-Band 50-50 Windward/Leeward Low1158.20.5180
5-Band 50-50 Windward/Leeward L/M825.40.7269
5-Band 50-50 Windward/Leeward Med682.80.8787
5-Band 50-50 Windward/Leeward M/H602.30.9962
5-Band 50-50 Windward/Leeward High571.91.0492
5-Band 60-40 Windward/Leeward Low1175.40.5105
5-Band 60-40 Windward/Leeward L/M840.80.7136
5-Band 60-40 Windward/Leeward Med698.20.8593
5-Band 60-40 Windward/Leeward M/H618.90.9694
5-Band 60-40 Windward/Leeward High591.61.0142
Triple Number 50-50 Windward/Leeward Low1025.50.5851
Triple Number 50-50 Windward/Leeward Med697.70.8599
Triple Number 50-50 Windward/Leeward High592.91.0119
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward717.80.8359
Triple Number 60-40 Windward/Leeward Low1041.70.5760
Triple Number 60-40 Windward/Leeward Med713.10.8414
Triple Number 60-40 Windward/Leeward High610.20.9833
Triple Number All-Purpose Low817.70.7338
Triple Number All-Purpose Med576.31.0411
Triple Number All-Purpose High502.61.1937
Triple Number Predominant Upwind Low849.50.7063
Triple Number Predominant Upwind Med604.50.9926
Triple Number Predominant Upwind High535.21.1211
Triple Number Predominant Reaching Low731.80.8199
Triple Number Predominant Reaching Med532.71.1264
Triple Number Predominant Reaching High453.41.3233
Triple Number Predominant Downwind Low799.70.7503
Triple Number Predominant Downwind Med554.71.0816
Triple Number Predominant Downwind High466.71.2855
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low750.3
Triple Number Coastal/Long Distance Medium558.2
Triple Number Coastal/Long Distance High487.5
Triple Number Windward/Leeward Low975.9
Triple Number Windward/Leeward Medium697.6
Triple Number Windward/Leeward High592.9
Predominantly Upwind614.7
Predominantly Downwind568.0
Predominantly Reaching542.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7997
Triple Number Coastal/Long Distance Medium1.0749
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6148
Triple Number Windward/Leeward Medium0.8601
Triple Number Windward/Leeward High1.0119
Coastal/Long Distance0.9761
Predominantly Upwind0.9761
Predominantly Downwind1.0563
For information
General Purpose Handicap (GPH)636.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0680
Distanseseilas Trippeltall svak vind0.7997
Distanseseilas Trippeltall mellomvind1.0749
Distanseseilas Trippeltall sterk vind1.2308
Pølsebane Trippeltall svak vind0.6148
Pølsebane Trippeltall mellomvind0.8601
Pølsebane Trippeltall sterk vind1.0119
Motvind Singeltall0.9761
Medvind Singeltall1.0563
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Coastal/Long Distance614.70.9761
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind614.70.9761
Predominantly Downwind568.01.0563
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore560.51.0704
Cape Doctor Coastal459.81.3049
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7997
Triple Number Coastal/Long Distance Medium1.0749
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6148
Triple Number Windward/Leeward Medium0.8601
Triple Number Windward/Leeward High1.0119
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7997
Triple Number Coastal/Long Distance Medium1.0749
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6148
Triple Number Windward/Leeward Medium0.8601
Triple Number Windward/Leeward High1.0119
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Predominantly Upwind614.70.9761
Predominantly Downwind568.01.0563
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.70.9761
Triple Number Coastal/Long Distance Low750.30.7997
Triple Number Coastal/Long Distance Medium558.21.0749
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low975.90.6148
Triple Number Windward/Leeward Medium697.60.8601
Triple Number Windward/Leeward High592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1583.81078.3810.0664.7576.2529.1496.2448.6433.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP585.91.0241 Predom. Dn High451.31.3296 5B AP M/H494.51.2134 TriNum AP Low750.30.7997 Predom. Rc Low813.00.7380 5B AP High470.61.2748 TriNum AP Med558.31.0747 Predom. Rc L/M598.21.0030 5B SF Bay Low972.40.6171 TriNum AP High487.51.2308 Predom. Rc Med514.61.1661 5B SF Bay L/M786.90.7625 TriNum W/L Low1025.50.5851 Predom. Rc M/H469.21.2788 5B SF Bay Med657.50.9126 TriNum W/L Med697.60.8601 Predom. Rc High445.21.3476 5B SF Bay M/H583.51.0283 TriNum W/L Hig592.91.0119 5B W/L Low1158.20.5180 5B SF Bay High555.31.0806 Predom. Upwind645.30.9298 5B W/L L/M825.40.7269 ChiMac Up Low813.70.7374 Predom. Reaching559.31.0728 5B W/L Med682.80.8787 ChiMac Up Med719.40.8341 Predom. Downwind596.21.0063 5B W/L M/H602.30.9962 ChiMac Up High610.80.9823 Predom. Up Low945.10.6349 5B W/L High571.91.0492 ChiMac Off Low765.00.7843 Predom. Up L/M692.70.8662 W/L 60-40 Low1175.40.5105 ChiMac Off Med669.00.8968 Predom. Up Med590.71.0157 W/L 60-40 L/M840.80.7136 ChiMac Off High556.91.0773 Predom. Up M/H536.81.1178 W/L 60-40 Med698.20.8593 ChiMac AP Low785.20.7641 Predom. Up High518.21.1578 W/L 60-40 M/H618.90.9694 ChiMac AP Med691.20.8680 Predom. Dn Low900.70.6662 W/L 60-40 High591.61.0142 ChiMac AP High582.01.0309 Predom. Dn L/M648.40.9254 5B AP Low834.50.7190 BayMac Cove Island911.60.6582 Predom. Dn Med544.51.1020 5B AP L/M645.00.9303 BayMac Shore905.00.6630 Predom. Dn M/H484.31.2389 5B AP Med548.61.0938 Harvest Moon487.11.2317      SA/DSPL Up19.27SA/DSPL Dn38.72
ORC Ref  03190004BAH Issued on 12/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SOFFIOITA-18019
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 GLMeasurement11/10/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.900Maximum beam3.984Draft2.026Displacement7,935Wetted area30.37IMS L10.688LSM010.405Accomod. length11.900Sink (kg/mm) 23.31
VCGD0.117VCGM-0.001 RM Rated (kg·m) 206.5Limit of positive stability(°) 120.1 Stability Index 122.2 BLR index 0.0000Default crew weight728 Declared crew weight 640
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBW0.080PIPA0.0099
EDL2.790ST10.065ST20.180
ST30.180ST40.110ST50.275
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P13.500IG14.030ISP14.740MDT10.132MDL10.223MDT20.132MDL20.223TLMW0.223GO0.247
E4.530J4.510BAS1.800FSDNo FoilSFJ0.140SPLWPLTPS5.450BD0.188MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.124Flotation Date01/06/2010
SFFP0.099FFM1.356FF1.362LCFcl6.399SG1.0265
SAFP11.278FAM1.201FA1.205LCFsh6.683HBI1.221
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004BAH Issued on 12/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SOFFIOITA-18019
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.130.861.572.753.7435.0811/10/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.050.711.412.924.556.2014.00NoNo 42.1211/10/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA16.8615.0015.939.009.2198%120.0311/02/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsYes
CRUISER/RACER REQUIREMENTS*
Accommodation length11.9 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity148 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity88 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004BAH Issued on 12/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org