Club
Certificate
2023

Boat

SOFFIO

ITA-18019

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.8°42.6°41.4°40.6°40.0°39.6°39.6°
Beat VMG3.163.904.464.855.085.185.23
52°4.905.906.637.107.357.487.57
60°5.206.196.897.327.577.717.83
75°5.416.417.097.507.777.978.23
90°5.316.417.217.667.938.078.47
110°5.366.557.357.828.208.549.04
120°5.196.377.237.768.168.549.29
135°4.675.856.807.457.898.289.06
150°3.975.096.026.767.257.628.21
Run VMG3.434.415.215.856.286.707.58
Gybe Angles144.8°147.1°147.5°147.8°148.7°171.2°175.7°

APH: 570.5

CDL: 9.337

GPH: 645.8

CertNo: 23/1

BOAT
ClassDufour 405 GLDesignerFelciBuilderDufour YachtsAge date07/2011Series date01/2009Offset fileDUF405CL.offData fileI18019
HULL
Length Overall11.900 mMaximum Beam3.984 mDraft2.026 mDisplacement7,935 kgDLR7.0421IMS DivisionCruiser/RacerDynamic Allowance0.370%Age Allowance0.455%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.300m
CREW
Maximum weight320 kgMinimum weight235 kg * when appliedNon Manual PowerRigCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0835.59Headsail Luffed42.1242.12Headsail FlyingSymmetricAsymmetric83.6287.03 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail10.71Storm Jib10.70Heavy Weather Jib28.89
SAIL LIMITS
Headsails1  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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  03190002T1NIssued on 12/10/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SOFFIO

ITA-18019

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1139.5922.8807.9741.5708.0694.5688.1
52°735.0610.4543.1507.4489.5481.4475.7
60°692.0581.4522.4491.9475.7466.7460.0
75°664.9562.0508.1480.1463.3451.5437.6
90°678.4561.6499.5469.9453.8445.9425.0
110°672.1549.6489.9460.1439.1421.7398.1
120°694.1564.9497.8464.2441.3421.5387.5
135°771.4615.2529.2483.1456.2434.5397.2
150°907.9707.5598.2532.7496.2472.6438.7
Run VMG1048.3817.0690.8615.2573.0537.6475.2
Selected Courses
Windward / Leeward1093.9869.9749.4678.4640.5616.0581.7
All purpose839.9679.1593.5545.8519.5502.7479.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward713.90.8405
All purpose570.51.0517
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7365
Downwind "popa"0.8829
70% up, 30% down "Ilhabela"0.7751
30% up, 70% down "Ilhabela-inverso"0.8332
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Predominantly Upwind618.90.9695
Predominantly Downwind582.71.0296
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low759.50.7900
Triple Number All Purpose Medium566.21.0597
Triple Number All Purpose High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Predominantly Upwind618.90.9695
Predominantly Downwind582.71.0296
Predominantly Upwind Low854.50.7022
Predominantly Upwind Medium638.10.9403
Predominantly Upwind High578.11.0379
Predominantly Downwind Low823.50.7286
Predominantly Downwind Medium577.41.0391
Predominantly Downwind High484.31.2390
Chicago-Mac Upwind0.9486
Chicago-Mac All Purpose0.9768
Chicago-Mac Downwind1.0104
Bayview-Mac Cove Island0.8985
Bayview-Mac Shore0.9090
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching539.81.1116
Predominantly Reaching Low685.60.8752
Predominantly Reaching Medium533.81.1241
Predominantly Reaching High463.11.2956
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1076.70.5573
5-Band Low / Medium892.30.6724
5-Band Medium694.70.8637
5-Band Medium / High619.60.9684
5-Band High587.61.0211
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance623.7
Triple Number Coastal/Long Distance Low759.5
Triple Number Coastal/Long Distance Medium566.2
Triple Number Coastal/Long Distance High498.3
Triple Number Windward/Leeward Low982.0
Triple Number Windward/Leeward Medium708.5
Triple Number Windward/Leeward High609.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7900
Triple Number Coastal/Long Distance Medium1.0597
Triple Number Coastal/Long Distance High1.2041
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High0.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low759.5
Triple Number Coastal/Long Distance Medium566.2
Triple Number Coastal/Long Distance High498.3
Triple Number Windward/Leeward Low982.0
Triple Number Windward/Leeward Medium708.5
Triple Number Windward/Leeward High609.3
Predominantly Upwind618.9
Predominantly Downwind582.7
Predominantly Reaching554.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7900
Triple Number Coastal/Long Distance Medium1.0597
Triple Number Coastal/Long Distance High1.2041
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High0.9848
Coastal/Long Distance0.9620
Predominantly Upwind0.9695
Predominantly Downwind1.0296
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7900
Tretall Distanseseilas Mellomvind1.0597
Tretall Distanseseilas Mye vind1.2041
Tretall Pølsebane Lite vind0.6110
Tretall Pølsebane Mellomvind0.8468
Tretall Pølsebane Mye vind0.9848
Distanseseilas ett tall (OSN 8-16kn)0.9620
Distanseseilas ett tall (APH 6-20kn)1.0517
Enkeltall Motvind0.9695
Enkeltall Medvind1.0296
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Coastal/Long Distance623.70.9620
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind618.90.9695
Predominantly Downwind582.71.0296
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore592.01.0136
Cape Doctor Coastal486.71.2328
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7900
Triple Number Coastal/Long Distance Medium1.0597
Triple Number Coastal/Long Distance High1.2041
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High0.9848
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7900
Triple Number Coastal/Long Distance Medium1.0597
Triple Number Coastal/Long Distance High1.2041
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High0.9848
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Predominantly Upwind618.90.9695
Predominantly Downwind582.71.0296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low759.50.7900
Triple Number Coastal/Long Distance Medium566.21.0597
Triple Number Coastal/Long Distance High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.4816.7672.1585.0540.3508.1457.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low759.50.7900
Triple Number All Purpose Medium566.21.0597
Triple Number All Purpose High498.31.2041
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High609.30.9848
Predominantly Upwind618.90.9695
Predominantly Downwind582.71.0296
Predominantly Upwind Low854.50.7022
Predominantly Upwind Medium638.10.9403
Predominantly Upwind High578.11.0379
Predominantly Downwind Low823.50.7286
Predominantly Downwind Medium577.41.0391
Predominantly Downwind High484.31.2390
Chicago-Mac Upwind0.9486
Chicago-Mac All Purpose0.9768
Chicago-Mac Downwind1.0104
Bayview-Mac Cove Island0.8985
Bayview-Mac Shore0.9090
Harvest Moon Regatta490.41.2236
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy592.71.0122
San Francisco Bay Medium699.30.8580
Predominantly Reaching539.81.1116
Predominantly Reaching Low685.60.8752
Predominantly Reaching Medium533.81.1241
Predominantly Reaching High463.11.2956
Windward/Leeward 60-40 Low991.80.6050
Windward/Leeward 60-40 Medium729.60.8224
Windward/Leeward 60-40 High638.60.9396
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1076.70.5573
5-Band Low / Medium892.30.6724
5-Band Medium694.70.8637
5-Band Medium / High619.60.9684
5-Band High587.61.0211
ORC Ref  03190002T1NIssued on 12/10/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SOFFIO

ITA-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
LOA11.900Max. Beam3.984Draft2.026Displacement7,935Wetted area30.37IMS L10.563LSM010.405Acc. length11.900Sink (kg/mm) 23.31
VCGD0.117VCGM-0.001RM Rated (kg·m) 206.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBW0.080PIPA0.0099
EDL2.790ST10.065ST20.180
ST30.180ST40.110ST50.275
RIG
Forestay tensionFixedInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.500IG14.550ISP15.100MDT10.132MDL10.223MDT20.132MDL20.223TLMW0.223GO0.247
E4.530J4.510BAS1.800FSDNo FoilSFJ0.140SPLWPLTPS5.450BD0.188MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.124Flotation Date01/06/2010MeasurerComment
SFFP0.099FFMFF1.362LCFcl6.399SG1.0265
SAFP11.278FAMFA1.205LCFsh6.683HBI1.221
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002T1NIssued on 12/10/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SOFFIO

ITA-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.DateCommentA15.0012.8113.917.157.4896%83.6211/10/2023
ORC Ref  03190002T1NIssued on 12/10/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org