Double HandedInternational Certificate2026
DUFFYITA-16134
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 Angles46.4°43.4°41.2°40.4°39.7°39.4°39.3°39.7°40.9°
Beat VMG2.373.354.054.504.734.834.884.884.76
52°3.745.106.016.576.846.957.007.057.01
60°4.025.376.266.787.047.167.227.297.27
75°4.245.566.436.947.237.417.527.647.71
90°4.125.476.396.947.277.517.717.988.16
110°3.825.346.427.067.447.737.948.238.41
120°3.685.176.276.987.407.748.078.598.92
135°3.204.655.776.637.177.557.928.699.55
150°2.653.945.055.996.737.217.578.309.12
Run VMG2.303.414.375.215.946.537.007.698.36
Gybe Angles141.7°146.0°150.3°153.2°158.8°165.5°172.7°177.7°176.8°
APH ToD:582.0CDL: 8.587APH ToT: 1.0309CertNo:26/1
BOAT
ClassDufour 34DesignerFelci/RoseoBuilderDufour YachtsAge date04/2009Series date07/2003Offset fileDUF34PERF.offData fileI16134
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.953 mDisplacement5,739 kgDLR6.8263IMS DivisionCruiser/RacerDynamic Allowance0.310%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.415m
CREW
Maximum weight200 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.8533.59Headsail Luffed35.0435.04Headsail FlyingSymmetric75.6575.65Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.75Storm Jib8.71Heavy Weather Jib23.52
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 120.1 kg·m Stability Index 119.3
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  03190004KM7 Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedInternational Certificate2026
DUFFYITA-16134
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 VMG1517.51073.5889.4799.3760.5744.8738.1737.2755.6
52°963.2705.3598.8547.8526.2518.1514.0510.8513.6
60°894.5670.4575.2530.8511.1502.6498.5493.9495.0
75°849.1647.2559.5518.7498.1485.9478.9470.9466.8
90°873.7657.8563.6518.8495.1479.3467.1451.0441.4
110°942.5674.8560.8509.9483.9465.5453.6437.3428.0
120°979.4696.5574.5516.1486.3464.9446.0419.3403.7
135°1123.7774.9624.1542.9502.1476.7454.8414.5376.9
150°1358.3914.1712.9600.8534.9499.4475.6434.0394.7
Run VMG1568.41055.5823.0691.5606.4550.9514.4468.3430.4
Selected Courses
Windward / Leeward1543.01064.5856.2745.4683.4647.8626.3602.8593.0
All purpose1159.6820.3674.1599.6560.6538.7524.6506.1496.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward715.30.8388
All purpose582.01.0309
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7314
Downwind "popa"0.8917
70% up, 30% down "Ilhabela"0.7731
30% up, 70% down "Ilhabela-inverso"0.8367
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Predominantly Upwind629.90.9526
Predominantly Downwind589.81.0173
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP606.40.9894 Predom. Rc High476.91.2580 5B SF Bay L/M783.90.7654 TriNum AP Low747.20.8030 Predom. Dn Low916.50.6546 5B SF Bay Med674.90.8891 TriNum AP Med577.71.0387 Predom. Dn L/M669.60.8961 5B SF Bay M/H617.70.9714 TriNum AP High521.21.1513 Predom. Dn Med568.11.0562 5B SF Bay High595.01.0084 TriNum W/L Low1007.50.5955 Predom. Dn M/H507.81.1816 5B AP Low832.30.7209 TriNum W/L Med709.60.8456 Predom. Dn High474.81.2638 5B AP L/M652.60.9194 TriNum W/L Hig622.90.9633 ChiMac Up Low791.70.7579 5B AP Med569.91.0529 Predom. Upwind656.40.9141 ChiMac Up Med715.70.8384 5B AP M/H526.81.1388 Predom. Reaching580.21.0341 ChiMac Up High628.90.9541 5B AP High507.51.1822 Predom. Downwind618.40.9703 ChiMac Off Low783.90.7654 5B W/L Low1132.00.5300 Predom. Up Low900.90.6660 ChiMac Off Med689.60.8700 5B W/L L/M822.30.7296 Predom. Up L/M687.20.8731 ChiMac Off High579.21.0360 5B W/L Med697.40.8603 Predom. Up Med609.60.9842 ChiMac AP Low783.80.7655 5B W/L M/H630.70.9513 Predom. Up M/H574.41.0446 ChiMac AP Med699.80.8574 5B W/L High605.10.9915 Predom. Up High562.01.0675 ChiMac AP High602.30.9961 W/L 60-40 Low1133.30.5294 Predom. Rc Low807.20.7433 BayMac Cove Island903.80.6639 W/L 60-40 L/M831.00.7220 Predom. Rc L/M614.50.9764 BayMac Shore895.80.6698 W/L 60-40 Med712.50.8420 Predom. Rc Med540.51.1100 Harvest Moon511.41.1732 W/L 60-40 M/H652.80.9191 Predom. Rc M/H499.41.2015 5B SF Bay Low951.00.6309 W/L 60-40 High632.20.9490      SA/DSPL Up21.06SA/DSPL Dn33.65
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance633.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating633.20.9476
FinRating, kevyt tuuli1115.90.8961
FinRating, kova tuuli510.70.9790
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9476
Triple Number Coastal/Long Distance Low0.8030
Triple Number Coastal/Long Distance Medium1.0388
Triple Number Coastal/Long Distance High1.1513
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8456
Triple Number Windward/Leeward High0.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
For information
General Purpose Handicap (GPH)653.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Saronikos S All Purpose662.10.9062
Saronikos S Upwind742.90.8077
Saronikos S Downwind566.61.0589
Saronikos N All Purpose698.30.8592
Saronikos N Upwind776.80.7724
Saronikos N Downwind620.60.9668
Saronikos SW All Purpose668.20.8979
Saronikos SW Upwind761.30.7881
Saronikos SW Downwind578.01.0380
Saronikos NE All Purpose725.30.8272
Saronikos NE Upwind727.70.8245
Saronikos NE Downwind702.50.8542
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose606.40.9894
5-Band All Purpose Low904.00.6637
5-Band All Purpose L/M676.30.8871
5-Band All Purpose Med587.81.0208
5-Band All Purpose M/H540.21.1106
5-Band All Purpose High517.81.1587
Single Number Predominant Upwind628.30.9549
Single Number Predominant Reaching557.31.0766
Single Number Predominant Downwind590.71.0157
5-Band 50-50 Windward/Leeward Low1132.00.5300
5-Band 50-50 Windward/Leeward L/M822.30.7296
5-Band 50-50 Windward/Leeward Med697.40.8603
5-Band 50-50 Windward/Leeward M/H630.70.9513
5-Band 50-50 Windward/Leeward High605.10.9915
5-Band 60-40 Windward/Leeward Low1133.30.5294
5-Band 60-40 Windward/Leeward L/M831.00.7220
5-Band 60-40 Windward/Leeward Med712.50.8420
5-Band 60-40 Windward/Leeward M/H652.80.9191
5-Band 60-40 Windward/Leeward High632.20.9490
Triple Number 50-50 Windward/Leeward Low1007.50.5955
Triple Number 50-50 Windward/Leeward Med709.70.8454
Triple Number 50-50 Windward/Leeward High622.80.9633
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward730.30.8216
Triple Number 60-40 Windward/Leeward Low1011.20.5933
Triple Number 60-40 Windward/Leeward Med723.80.8289
Triple Number 60-40 Windward/Leeward High646.20.9286
Triple Number All-Purpose Low811.90.7390
Triple Number All-Purpose Med596.21.0063
Triple Number All-Purpose High533.81.1241
Triple Number Predominant Upwind Low821.40.7304
Triple Number Predominant Upwind Med619.20.9689
Triple Number Predominant Upwind High576.51.0407
Triple Number Predominant Reaching Low733.50.8180
Triple Number Predominant Reaching Med556.51.0781
Triple Number Predominant Reaching High484.21.2391
Triple Number Predominant Downwind Low815.90.7353
Triple Number Predominant Downwind Med578.81.0366
Triple Number Predominant Downwind High488.21.2289
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low747.2
Triple Number Coastal/Long Distance Medium577.6
Triple Number Coastal/Long Distance High521.2
Triple Number Windward/Leeward Low960.3
Triple Number Windward/Leeward Medium709.6
Triple Number Windward/Leeward High622.9
Predominantly Upwind629.9
Predominantly Downwind589.8
Predominantly Reaching566.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8030
Triple Number Coastal/Long Distance Medium1.0388
Triple Number Coastal/Long Distance High1.1513
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8456
Triple Number Windward/Leeward High0.9633
Coastal/Long Distance0.9476
Predominantly Upwind0.9526
Predominantly Downwind1.0173
For information
General Purpose Handicap (GPH)653.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0309
Distanseseilas Trippeltall svak vind0.8030
Distanseseilas Trippeltall mellomvind1.0388
Distanseseilas Trippeltall sterk vind1.1513
Pølsebane Trippeltall svak vind0.6248
Pølsebane Trippeltall mellomvind0.8456
Pølsebane Trippeltall sterk vind0.9633
Motvind Singeltall0.9526
Medvind Singeltall1.0173
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Coastal/Long Distance633.20.9476
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind629.90.9526
Predominantly Downwind589.81.0173
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore595.91.0068
Cape Doctor Coastal499.11.2023
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8030
Triple Number Coastal/Long Distance Medium1.0388
Triple Number Coastal/Long Distance High1.1513
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8456
Triple Number Windward/Leeward High0.9633
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8030
Triple Number Coastal/Long Distance Medium1.0388
Triple Number Coastal/Long Distance High1.1513
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8456
Triple Number Windward/Leeward High0.9633
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Predominantly Upwind629.90.9526
Predominantly Downwind589.81.0173
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance633.20.9476
Triple Number Coastal/Long Distance Low747.20.8030
Triple Number Coastal/Long Distance Medium577.61.0388
Triple Number Coastal/Long Distance High521.21.1513
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium709.60.8456
Triple Number Windward/Leeward High622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.51063.6806.3673.6598.5559.2529.4482.4471.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP606.40.9894 Predom. Dn High474.81.2638 5B AP M/H526.81.1388 TriNum AP Low747.20.8030 Predom. Rc Low807.20.7433 5B AP High507.51.1822 TriNum AP Med577.71.0387 Predom. Rc L/M614.50.9764 5B SF Bay Low951.00.6309 TriNum AP High521.21.1513 Predom. Rc Med540.51.1100 5B SF Bay L/M783.90.7654 TriNum W/L Low1007.50.5955 Predom. Rc M/H499.41.2015 5B SF Bay Med674.90.8891 TriNum W/L Med709.60.8456 Predom. Rc High476.91.2580 5B SF Bay M/H617.70.9714 TriNum W/L Hig622.90.9633 5B W/L Low1132.00.5300 5B SF Bay High595.01.0084 Predom. Upwind656.40.9141 5B W/L L/M822.30.7296 ChiMac Up Low791.70.7579 Predom. Reaching580.21.0341 5B W/L Med697.40.8603 ChiMac Up Med715.70.8384 Predom. Downwind618.40.9703 5B W/L M/H630.70.9513 ChiMac Up High628.90.9541 Predom. Up Low900.90.6660 5B W/L High605.10.9915 ChiMac Off Low783.90.7654 Predom. Up L/M687.20.8731 W/L 60-40 Low1133.30.5294 ChiMac Off Med689.60.8700 Predom. Up Med609.60.9842 W/L 60-40 L/M831.00.7220 ChiMac Off High579.21.0360 Predom. Up M/H574.41.0446 W/L 60-40 Med712.50.8420 ChiMac AP Low783.80.7655 Predom. Up High562.01.0675 W/L 60-40 M/H652.80.9191 ChiMac AP Med699.80.8574 Predom. Dn Low916.50.6546 W/L 60-40 High632.20.9490 ChiMac AP High602.30.9961 Predom. Dn L/M669.60.8961 5B AP Low832.30.7209 BayMac Cove Island903.80.6639 Predom. Dn Med568.11.0562 5B AP L/M652.60.9194 BayMac Shore895.80.6698 Predom. Dn M/H507.81.1816 5B AP Med569.91.0529 Harvest Moon511.41.1732      SA/DSPL Up21.06SA/DSPL Dn33.65
ORC Ref  03190004KM7 Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedInternational Certificate2026
DUFFYITA-16134
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 34Measurement22/02/2017HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.300Maximum beam3.482Draft1.953Displacement5,739Wetted area24.36IMS L9.463LSM09.437Accomod. length10.300Sink (kg/mm) 18.70
VCGD0.068VCGM0.070 RM Rated (kg·m) 120.1Limit of positive stability(°) 117.5 Stability Index 119.3 BLR index 0.0000Default crew weight170 Declared crew weight 200
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.415PBW0.125PIPA0.0036
EDL2.100ST10.065ST20.180
ST30.180ST40.110ST50.275
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.130IG13.145ISP13.190MDT10.121MDL10.179MDT20.119MDL20.140TL0.770MW0.177GO0.192
E4.590J3.705BAS1.665FSD0.036SFJ0.140SPL3.886WPLTPSBD0.134MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date21/03/2014MeasurerFIV-164
SFFP0.390FFM1.243FF1.242LCFcl5.700SG1.0260
SAFP9.636FAM1.044FA1.045LCFsh5.949HBI1.090
W183.7W283.7W383.7W483.7
PD1594.0PD2591.5PD3590.1PD4591.9
WD10.720PLM9000.00GSA1.0RSA1.0RM119.4
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGApvcWater15001.700.00BpvcWater15008.200.00CpvcFuel9058.200.00Total deductible48.200.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGAMiscellaneousboiler305.200.00BMiscellaneouswindlass200.670.00ABattery3x80 Ah08.000.00AEngine (IC)Volvo Penta 30 hpTotal deductible0
ORC Ref  03190004KM7 Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedInternational Certificate2026
DUFFYITA-16134
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentC0.150.921.722.923.8332.8504/04/2011D0.150.931.692.913.7932.6421/03/2014
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentD0.090.721.372.724.055.4312.87NoNo 35.0427/01/2014C0.090.701.342.684.065.4712.62NoNo 34.2704/04/2011
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentD12.9812.9812.987.056.7775.6522/02/2017B12.7912.7912.797.166.4074.6919/05/2009A12.8012.8012.806.866.4072.1919/05/2009C12.8012.8012.806.596.6270.3619/05/2009
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.3 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity86 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity56 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004KM7 Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org