Double HandedClub Certificate2026
ARIAITA-18155
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 Angles47.0°44.1°41.8°40.5°39.4°38.6°38.2°38.6°39.3°
Beat VMG2.483.544.304.865.255.475.585.655.61
52°3.935.436.437.127.527.767.887.977.99
60°4.265.756.757.377.727.958.098.208.25
75°4.646.127.097.668.008.218.348.578.71
90°4.696.187.187.778.168.448.699.059.26
110°4.295.826.907.598.078.438.789.4410.00
120°3.925.446.617.468.008.398.769.5410.32
135°3.344.886.066.997.678.148.539.3510.26
150°2.764.125.296.287.107.708.148.909.76
Run VMG2.393.574.585.466.226.877.418.228.92
Gybe Angles137.8°145.6°149.6°152.8°156.1°162.1°167.3°177.2°176.3°
APH ToD:535.3CDL: 10.512APH ToT: 1.1210CertNo:26/1
BOAT
ClassDufour 45 ClassicDesignerJ & JBuilderDufourAge date06/1997Series date06/1997Offset fileDU45SDCL.OFFData fileI18155
HULL
Length Overall13.680Maximum Beam4.290Draft1.941Displacement10,957DLR7.3055IMS DivisionCruiser/RacerDynamic Allowance0.360%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.300m
CREW
Maximum weight180(declared)Minimum weight120 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail44.1344.66Headsail Luffed66.7666.76Headsail Flying95.6495.64Symmetric118.62118.62Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail13.39Storm Jib13.21Heavy Weather Jib35.65
SAIL LIMITS
Headsails6
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers5
STABILITY
Righting Moment 334.4 Stability Index 120.2
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  03190004HMW Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
ARIAITA-18155
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 VMG1449.51018.0836.6740.2685.8658.3645.7637.1641.6
52°915.4663.2559.8505.8478.5464.2457.1451.7450.5
60°845.1626.1533.2488.8466.2452.7445.1439.0436.2
75°776.0588.6507.7469.9450.2438.6431.5419.9413.5
90°768.0582.5501.4463.1441.4426.3414.3397.9388.7
110°840.0618.5521.7474.2446.3427.0410.2381.2359.9
120°919.2661.7544.9482.8450.1428.8411.0377.4348.7
135°1076.4737.5593.9514.9469.6442.5422.2384.9350.9
150°1305.4874.4680.3573.1506.9467.5442.4404.4369.0
Run VMG1507.31009.7785.5659.9579.2523.8485.6437.8403.4
Selected Courses
Windward / Leeward1478.41013.9811.1700.1632.5591.0565.7537.5522.5
All purpose1093.1770.8631.4557.7514.8489.1472.5450.7436.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward663.20.9047
All purpose535.31.1210
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8043
Downwind "popa"0.9372
70% up, 30% down "Ilhabela"0.8401
30% up, 70% down "Ilhabela-inverso"0.8929
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Predominantly Upwind576.31.0411
Predominantly Downwind550.11.0907
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP556.51.0782 Predom. Rc High427.41.4039 5B SF Bay L/M737.80.8133 TriNum AP Low701.10.8557 Predom. Dn Low867.10.6920 5B SF Bay Med623.00.9631 TriNum AP Med532.41.1269 Predom. Dn L/M629.50.9531 5B SF Bay M/H556.71.0778 TriNum AP High468.51.2808 Predom. Dn Med528.71.1348 5B SF Bay High528.91.1343 TriNum W/L Low958.00.6263 Predom. Dn M/H466.21.2870 5B AP Low780.70.7685 TriNum W/L Med659.60.9097 Predom. Dn High432.71.3867 5B AP L/M608.70.9856 TriNum W/L Hig561.41.0687 ChiMac Up Low739.60.8112 5B AP Med523.81.1455 Predom. Upwind600.80.9987 ChiMac Up Med662.00.9063 5B AP M/H475.21.2627 Predom. Reaching531.41.1292 ChiMac Up High572.61.0479 5B AP High451.91.3277 Predom. Downwind576.71.0404 ChiMac Off Low739.00.8119 5B W/L Low1079.30.5559 Predom. Up Low847.90.7076 ChiMac Off Med647.00.9274 5B W/L L/M775.40.7738 Predom. Up L/M638.90.9391 ChiMac Off High538.61.1140 5B W/L Med646.10.9286 Predom. Up Med555.81.0795 ChiMac AP Low733.90.8175 5B W/L M/H570.81.0511 Predom. Up M/H512.31.1711 ChiMac AP Med650.60.9222 5B W/L High539.81.1116 Predom. Up High495.91.2099 ChiMac AP High553.21.0847 W/L 60-40 Low1079.50.5558 Predom. Rc Low750.20.7998 BayMac Cove Island850.40.7056 W/L 60-40 L/M781.80.7675 Predom. Rc L/M567.81.0566 BayMac Shore841.50.7130 W/L 60-40 Med656.80.9135 Predom. Rc Med494.11.2143 Harvest Moon468.71.2803 W/L 60-40 M/H586.61.0228 Predom. Rc M/H450.51.3318 5B SF Bay Low902.80.6646 W/L 60-40 High559.71.0721      SA/DSPL Up22.30SA/DSPL Dn32.73
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance584.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating584.91.0258
FinRating, kevyt tuuli1061.60.9420
FinRating, kova tuuli454.61.0998
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0258
Triple Number Coastal/Long Distance Low0.8557
Triple Number Coastal/Long Distance Medium1.1270
Triple Number Coastal/Long Distance High1.2808
Triple Number Windward/Leeward Low0.6576
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
For information
General Purpose Handicap (GPH)603.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Saronikos S All Purpose613.50.9780
Saronikos S Upwind683.60.8777
Saronikos S Downwind530.71.1306
Saronikos N All Purpose642.30.9341
Saronikos N Upwind711.10.8438
Saronikos N Downwind581.91.0311
Saronikos SW All Purpose620.60.9668
Saronikos SW Upwind703.40.8530
Saronikos SW Downwind539.51.1121
Saronikos NE All Purpose668.00.8982
Saronikos NE Upwind662.20.9061
Saronikos NE Downwind657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose556.51.0782
5-Band All Purpose Low850.80.7052
5-Band All Purpose L/M630.90.9510
5-Band All Purpose Med540.41.1103
5-Band All Purpose M/H488.01.2295
5-Band All Purpose High463.31.2950
Single Number Predominant Upwind575.11.0434
Single Number Predominant Reaching510.41.1755
Single Number Predominant Downwind550.71.0895
5-Band 50-50 Windward/Leeward Low1079.30.5559
5-Band 50-50 Windward/Leeward L/M775.40.7738
5-Band 50-50 Windward/Leeward Med646.10.9286
5-Band 50-50 Windward/Leeward M/H570.81.0511
5-Band 50-50 Windward/Leeward High539.81.1116
5-Band 60-40 Windward/Leeward Low1079.50.5558
5-Band 60-40 Windward/Leeward L/M781.80.7675
5-Band 60-40 Windward/Leeward Med656.80.9135
5-Band 60-40 Windward/Leeward M/H586.61.0228
5-Band 60-40 Windward/Leeward High559.71.0721
Triple Number 50-50 Windward/Leeward Low958.00.6263
Triple Number 50-50 Windward/Leeward Med659.60.9096
Triple Number 50-50 Windward/Leeward High561.41.0687
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward673.90.8904
Triple Number 60-40 Windward/Leeward Low960.30.6248
Triple Number 60-40 Windward/Leeward Med669.70.8960
Triple Number 60-40 Windward/Leeward High578.31.0376
Triple Number All-Purpose Low762.40.7870
Triple Number All-Purpose Med549.71.0916
Triple Number All-Purpose High480.81.2478
Triple Number Predominant Upwind Low770.50.7787
Triple Number Predominant Upwind Med567.21.0579
Triple Number Predominant Upwind High511.01.1742
Triple Number Predominant Reaching Low681.50.8804
Triple Number Predominant Reaching Med510.21.1761
Triple Number Predominant Reaching High435.91.3766
Triple Number Predominant Downwind Low770.40.7789
Triple Number Predominant Downwind Med540.51.1101
Triple Number Predominant Downwind High449.41.3351
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low701.2
Triple Number Coastal/Long Distance Medium532.4
Triple Number Coastal/Long Distance High468.5
Triple Number Windward/Leeward Low912.4
Triple Number Windward/Leeward Medium659.6
Triple Number Windward/Leeward High561.4
Predominantly Upwind576.3
Predominantly Downwind550.1
Predominantly Reaching521.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8557
Triple Number Coastal/Long Distance Medium1.1270
Triple Number Coastal/Long Distance High1.2808
Triple Number Windward/Leeward Low0.6576
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0687
Coastal/Long Distance1.0258
Predominantly Upwind1.0411
Predominantly Downwind1.0907
For information
General Purpose Handicap (GPH)603.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1210
Distanseseilas Trippeltall svak vind0.8557
Distanseseilas Trippeltall mellomvind1.1270
Distanseseilas Trippeltall sterk vind1.2808
Pølsebane Trippeltall svak vind0.6576
Pølsebane Trippeltall mellomvind0.9097
Pølsebane Trippeltall sterk vind1.0687
Motvind Singeltall1.0411
Medvind Singeltall1.0907
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Coastal/Long Distance584.91.0258
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind576.31.0411
Predominantly Downwind550.11.0907
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore527.01.1385
Cape Doctor Coastal440.51.3622
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8557
Triple Number Coastal/Long Distance Medium1.1270
Triple Number Coastal/Long Distance High1.2808
Triple Number Windward/Leeward Low0.6576
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0687
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8557
Triple Number Coastal/Long Distance Medium1.1270
Triple Number Coastal/Long Distance High1.2808
Triple Number Windward/Leeward Low0.6576
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0687
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Predominantly Upwind576.31.0411
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 Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.91.0258
Triple Number Coastal/Long Distance Low701.20.8557
Triple Number Coastal/Long Distance Medium532.41.1270
Triple Number Coastal/Long Distance High468.51.2808
Triple Number Windward/Leeward Low912.40.6576
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High561.41.0687
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.31013.4761.8629.7550.2507.7477.4431.6415.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP556.51.0782 Predom. Dn High432.71.3867 5B AP M/H475.21.2627 TriNum AP Low701.10.8557 Predom. Rc Low750.20.7998 5B AP High451.91.3277 TriNum AP Med532.41.1269 Predom. Rc L/M567.81.0566 5B SF Bay Low902.80.6646 TriNum AP High468.51.2808 Predom. Rc Med494.11.2143 5B SF Bay L/M737.80.8133 TriNum W/L Low958.00.6263 Predom. Rc M/H450.51.3318 5B SF Bay Med623.00.9631 TriNum W/L Med659.60.9097 Predom. Rc High427.41.4039 5B SF Bay M/H556.71.0778 TriNum W/L Hig561.41.0687 5B W/L Low1079.30.5559 5B SF Bay High528.91.1343 Predom. Upwind600.80.9987 5B W/L L/M775.40.7738 ChiMac Up Low739.60.8112 Predom. Reaching531.41.1292 5B W/L Med646.10.9286 ChiMac Up Med662.00.9063 Predom. Downwind576.71.0404 5B W/L M/H570.81.0511 ChiMac Up High572.61.0479 Predom. Up Low847.90.7076 5B W/L High539.81.1116 ChiMac Off Low739.00.8119 Predom. Up L/M638.90.9391 W/L 60-40 Low1079.50.5558 ChiMac Off Med647.00.9274 Predom. Up Med555.81.0795 W/L 60-40 L/M781.80.7675 ChiMac Off High538.61.1140 Predom. Up M/H512.31.1711 W/L 60-40 Med656.80.9135 ChiMac AP Low733.90.8175 Predom. Up High495.91.2099 W/L 60-40 M/H586.61.0228 ChiMac AP Med650.60.9222 Predom. Dn Low867.10.6920 W/L 60-40 High559.71.0721 ChiMac AP High553.21.0847 Predom. Dn L/M629.50.9531 5B AP Low780.70.7685 BayMac Cove Island850.40.7056 Predom. Dn Med528.71.1348 5B AP L/M608.70.9856 BayMac Shore841.50.7130 Predom. Dn M/H466.21.2870 5B AP Med523.81.1455 Harvest Moon468.71.2803      SA/DSPL Up22.30SA/DSPL Dn32.73
ORC Ref  03190004HMW Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
ARIAITA-18155
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 45 ClassicMeasurement01/01/1999HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall13.680Maximum beam4.290Draft1.941Displacement10,957Wetted area38.43IMS L11.541LSM011.446Accomod. length13.680Sink (kg/mm) 29.50
VCGD-0.050VCGM-0.005 RM Rated (kg·m) 334.4Limit of positive stability(°) 115.6 Stability Index 120.2 BLR index 0.0000Default crew weight170 Declared crew weight 180
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBW0.120PIPA0.0031
EDL2.500ST10.045ST20.170
ST30.170ST40.097ST50.295
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P16.100IG16.250ISP17.020MDT10.150MDL10.240MDT2MDL2TLNo TaperMWGO
E4.750J5.400BAS1.660FSDFoilSFJSPL5.720WPLTPS5.720BD0.200MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.050Flotation Date15/01/2025
SFFP0.559FFM1.419FF1.419LCFcl7.381SG1.0250
SAFP12.376FAM1.095FA1.095LCFsh7.683HBI1.197
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004HMW Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
ARIAITA-18155
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.100.881.662.963.9244.1315/01/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentB0.491.863.235.987.899.8117.40NoYes095.6415/01/2025A0.050.000.000.000.007.9516.70NoNo 66.7615/01/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA16.2916.2916.298.768.65118.6215/01/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length13.7 mTable area0.66 m²Headroom1.88 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity231 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity124 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004HMW Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org