Club 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 Angles47.5°44.3°42.2°40.7°39.2°38.0°37.8°37.5°38.0°
Beat VMG2.473.524.304.885.325.595.725.845.83
52°3.915.436.457.157.587.837.998.118.14
60°4.255.756.777.417.778.018.178.328.39
75°4.636.137.127.698.048.288.448.688.83
90°4.686.197.207.808.188.488.759.169.40
110°4.265.816.907.608.098.458.799.4810.08
120°3.895.426.617.478.018.408.769.5310.33
135°3.334.866.046.987.668.128.519.3110.20
150°2.754.105.276.267.097.698.128.859.66
Run VMG2.383.554.575.446.206.867.408.208.87
Gybe Angles142.0°145.6°149.4°152.8°156.1°162.1°167.3°177.2°176.8°
APH ToD:532.9CDL: 10.677APH ToT: 1.1260CertNo: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 Allowance0.350%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.300m
CREW
Maximum weight700(declared)Minimum weight570 ✱ 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 118.2
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  03190004HMU Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 VMG1460.21022.3837.3737.3677.1644.4629.1616.5617.6
52°920.4663.2558.5503.8475.1459.5450.8444.1442.1
60°847.7625.7531.5485.6463.4449.5440.4432.5428.9
75°777.2587.1505.8467.9447.6434.8426.4414.8407.7
90°769.2581.3500.0461.7439.9424.4411.6393.2382.9
110°844.6619.1521.5473.7445.2425.8409.3379.6357.2
120°925.6663.8544.8482.2449.6428.7411.0377.8348.6
135°1082.7740.5595.6515.9470.0443.1423.3386.7353.1
150°1311.2878.2682.6574.7508.0468.3443.4406.9372.5
Run VMG1514.01014.1788.2661.8580.7524.8486.3438.9405.9
Selected Courses
Windward / Leeward1487.11018.2812.8699.6628.9584.6557.7527.7511.7
All purpose1098.7772.9631.8556.8512.2485.1467.8444.8429.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward659.90.9093
All purpose532.91.1260
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8133
Downwind "popa"0.9344
70% up, 30% down "Ilhabela"0.8462
30% up, 70% down "Ilhabela-inverso"0.8944
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Predominantly Upwind572.71.0477
Predominantly Downwind549.91.0912
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP553.91.0833 Predom. Rc High423.31.4175 5B SF Bay L/M738.00.8130 TriNum AP Low702.30.8543 Predom. Dn Low870.20.6895 5B SF Bay Med619.30.9688 TriNum AP Med530.31.1314 Predom. Dn L/M630.30.9520 5B SF Bay M/H549.11.0928 TriNum AP High463.51.2946 Predom. Dn Med528.11.1361 5B SF Bay High519.41.1551 TriNum W/L Low961.30.6241 Predom. Dn M/H464.51.2918 5B AP Low782.70.7665 TriNum W/L Med656.70.9136 Predom. Dn High430.61.3936 5B AP L/M608.50.9861 TriNum W/L Hig553.21.0846 ChiMac Up Low740.00.8108 5B AP Med521.41.1508 Predom. Upwind597.21.0046 ChiMac Up Med660.30.9087 5B AP M/H470.51.2752 Predom. Reaching530.01.1321 ChiMac Up High567.91.0565 5B AP High446.11.3450 Predom. Downwind576.51.0407 ChiMac Off Low740.80.8100 5B W/L Low1084.10.5535 Predom. Up Low850.50.7055 ChiMac Off Med647.70.9264 5B W/L L/M776.00.7732 Predom. Up L/M638.10.9403 ChiMac Off High538.01.1153 5B W/L Med642.60.9336 Predom. Up Med551.91.0871 ChiMac AP Low734.90.8164 5B W/L M/H563.21.0654 Predom. Up M/H504.91.1884 ChiMac AP Med650.00.9231 5B W/L High530.21.1317 Predom. Up High486.41.2335 ChiMac AP High550.51.0899 W/L 60-40 Low1084.40.5533 Predom. Rc Low751.90.7980 BayMac Cove Island852.00.7043 W/L 60-40 L/M781.90.7673 Predom. Rc L/M567.51.0573 BayMac Shore843.00.7118 W/L 60-40 Med652.30.9198 Predom. Rc Med492.51.2183 Harvest Moon467.81.2827 W/L 60-40 M/H577.31.0394 Predom. Rc M/H447.51.3409 5B SF Bay Low906.10.6622 W/L 60-40 High547.91.0951      SA/DSPL Up22.30SA/DSPL Dn32.73
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance582.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating582.71.0296
FinRating, kevyt tuuli1066.20.9379
FinRating, kova tuuli449.11.1134
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0296
Triple Number Coastal/Long Distance Low0.8543
Triple Number Coastal/Long Distance Medium1.1315
Triple Number Coastal/Long Distance High1.2946
Triple Number Windward/Leeward Low0.6554
Triple Number Windward/Leeward Medium0.9136
Triple Number Windward/Leeward High1.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
For information
General Purpose Handicap (GPH)601.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Saronikos S All Purpose612.20.9801
Saronikos S Upwind681.00.8811
Saronikos S Downwind532.01.1279
Saronikos N All Purpose639.20.9386
Saronikos N Upwind707.50.8481
Saronikos N Downwind583.11.0290
Saronikos SW All Purpose620.60.9669
Saronikos SW Upwind702.70.8539
Saronikos SW Downwind540.61.1098
Saronikos NE All Purpose666.20.9007
Saronikos NE Upwind659.20.9101
Saronikos NE Downwind659.20.9102
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose553.91.0833
5-Band All Purpose Low853.40.7030
5-Band All Purpose L/M630.80.9511
5-Band All Purpose Med538.11.1149
5-Band All Purpose M/H483.41.2412
5-Band All Purpose High457.41.3117
Single Number Predominant Upwind571.51.0498
Single Number Predominant Reaching509.01.1788
Single Number Predominant Downwind550.41.0902
5-Band 50-50 Windward/Leeward Low1084.10.5535
5-Band 50-50 Windward/Leeward L/M776.00.7732
5-Band 50-50 Windward/Leeward Med642.60.9336
5-Band 50-50 Windward/Leeward M/H563.21.0654
5-Band 50-50 Windward/Leeward High530.21.1317
5-Band 60-40 Windward/Leeward Low1084.40.5533
5-Band 60-40 Windward/Leeward L/M781.90.7673
5-Band 60-40 Windward/Leeward Med652.30.9198
5-Band 60-40 Windward/Leeward M/H577.31.0394
5-Band 60-40 Windward/Leeward High547.91.0951
Triple Number 50-50 Windward/Leeward Low961.30.6241
Triple Number 50-50 Windward/Leeward Med656.80.9135
Triple Number 50-50 Windward/Leeward High553.21.0846
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward669.50.8962
Triple Number 60-40 Windward/Leeward Low963.60.6226
Triple Number 60-40 Windward/Leeward Med665.90.9010
Triple Number 60-40 Windward/Leeward High568.21.0560
Triple Number All-Purpose Low764.00.7853
Triple Number All-Purpose Med547.81.0954
Triple Number All-Purpose High475.91.2609
Triple Number Predominant Upwind Low771.90.7773
Triple Number Predominant Upwind Med563.91.0640
Triple Number Predominant Upwind High502.31.1945
Triple Number Predominant Reaching Low682.40.8793
Triple Number Predominant Reaching Med508.61.1797
Triple Number Predominant Reaching High432.81.3864
Triple Number Predominant Downwind Low772.50.7767
Triple Number Predominant Downwind Med540.31.1105
Triple Number Predominant Downwind High448.41.3382
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low702.3
Triple Number Coastal/Long Distance Medium530.3
Triple Number Coastal/Long Distance High463.5
Triple Number Windward/Leeward Low915.5
Triple Number Windward/Leeward Medium656.7
Triple Number Windward/Leeward High553.2
Predominantly Upwind572.7
Predominantly Downwind549.9
Predominantly Reaching521.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8543
Triple Number Coastal/Long Distance Medium1.1315
Triple Number Coastal/Long Distance High1.2946
Triple Number Windward/Leeward Low0.6554
Triple Number Windward/Leeward Medium0.9136
Triple Number Windward/Leeward High1.0846
Coastal/Long Distance1.0296
Predominantly Upwind1.0477
Predominantly Downwind1.0912
For information
General Purpose Handicap (GPH)601.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1260
Distanseseilas Trippeltall svak vind0.8543
Distanseseilas Trippeltall mellomvind1.1315
Distanseseilas Trippeltall sterk vind1.2946
Pølsebane Trippeltall svak vind0.6554
Pølsebane Trippeltall mellomvind0.9136
Pølsebane Trippeltall sterk vind1.0846
Motvind Singeltall1.0477
Medvind Singeltall1.0912
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Coastal/Long Distance582.71.0296
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind572.71.0477
Predominantly Downwind549.91.0912
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore516.51.1616
Cape Doctor Coastal434.01.3825
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8543
Triple Number Coastal/Long Distance Medium1.1315
Triple Number Coastal/Long Distance High1.2946
Triple Number Windward/Leeward Low0.6554
Triple Number Windward/Leeward Medium0.9136
Triple Number Windward/Leeward High1.0846
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8543
Triple Number Coastal/Long Distance Medium1.1315
Triple Number Coastal/Long Distance High1.2946
Triple Number Windward/Leeward Low0.6554
Triple Number Windward/Leeward Medium0.9136
Triple Number Windward/Leeward High1.0846
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Predominantly Upwind572.71.0477
Predominantly Downwind549.91.0912
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.71.0296
Triple Number Coastal/Long Distance Low702.30.8543
Triple Number Coastal/Long Distance Medium530.31.1315
Triple Number Coastal/Long Distance High463.51.2946
Triple Number Windward/Leeward Low915.50.6554
Triple Number Windward/Leeward Medium656.70.9136
Triple Number Windward/Leeward High553.21.0846
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1489.81017.8763.1628.9547.4503.7473.0427.4410.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP553.91.0833 Predom. Dn High430.61.3936 5B AP M/H470.51.2752 TriNum AP Low702.30.8543 Predom. Rc Low751.90.7980 5B AP High446.11.3450 TriNum AP Med530.31.1314 Predom. Rc L/M567.51.0573 5B SF Bay Low906.10.6622 TriNum AP High463.51.2946 Predom. Rc Med492.51.2183 5B SF Bay L/M738.00.8130 TriNum W/L Low961.30.6241 Predom. Rc M/H447.51.3409 5B SF Bay Med619.30.9688 TriNum W/L Med656.70.9136 Predom. Rc High423.31.4175 5B SF Bay M/H549.11.0928 TriNum W/L Hig553.21.0846 5B W/L Low1084.10.5535 5B SF Bay High519.41.1551 Predom. Upwind597.21.0046 5B W/L L/M776.00.7732 ChiMac Up Low740.00.8108 Predom. Reaching530.01.1321 5B W/L Med642.60.9336 ChiMac Up Med660.30.9087 Predom. Downwind576.51.0407 5B W/L M/H563.21.0654 ChiMac Up High567.91.0565 Predom. Up Low850.50.7055 5B W/L High530.21.1317 ChiMac Off Low740.80.8100 Predom. Up L/M638.10.9403 W/L 60-40 Low1084.40.5533 ChiMac Off Med647.70.9264 Predom. Up Med551.91.0871 W/L 60-40 L/M781.90.7673 ChiMac Off High538.01.1153 Predom. Up M/H504.91.1884 W/L 60-40 Med652.30.9198 ChiMac AP Low734.90.8164 Predom. Up High486.41.2335 W/L 60-40 M/H577.31.0394 ChiMac AP Med650.00.9231 Predom. Dn Low870.20.6895 W/L 60-40 High547.91.0951 ChiMac AP High550.51.0899 Predom. Dn L/M630.30.9520 5B AP Low782.70.7665 BayMac Cove Island852.00.7043 Predom. Dn Med528.11.1361 5B AP L/M608.50.9861 BayMac Shore843.00.7118 Predom. Dn M/H464.51.2918 5B AP Med521.41.1508 Harvest Moon467.81.2827      SA/DSPL Up22.30SA/DSPL Dn32.73
ORC Ref  03190004HMU Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 L11.627LSM011.446Accomod. length13.680Sink (kg/mm) 29.50
VCGD-0.050VCGM-0.005 RM Rated (kg·m) 334.4Limit of positive stability(°) 113.6 Stability Index 118.2 BLR index 0.0000Default crew weight835 Declared crew weight 700
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  03190004HMU Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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  03190004HMU Issued on 13/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org