Club Certificate2025
UNIQOESP-11328_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 Angles44.1°44.1°42.6°40.9°39.3°38.4°38.3°38.3°39.1°
Beat VMG2.523.494.284.875.295.525.635.715.68
52°3.995.416.457.147.567.797.918.018.04
60°4.285.746.747.377.747.978.128.268.33
75°4.505.976.957.537.898.168.388.678.83
90°4.395.866.887.588.048.368.578.959.28
110°4.135.736.977.748.208.619.009.6910.15
120°4.025.586.817.628.118.548.969.8310.89
135°3.524.986.227.177.798.228.649.5010.64
150°2.904.195.356.347.147.698.088.779.51
Run VMG2.513.634.645.496.196.707.137.828.44
Gybe Angles143.0°143.0°147.0°148.7°150.4°153.7°158.8°173.9°174.1°
APH ToD:534.1CDL: 10.431APH ToT: 1.1234CertNo:1132801
BOAT
ClassDUFOUR 425 GLDesignerFELCI UMBERTOBuilderDUFOURAge date01/2010Series date01/2006Offset fileDUF425CL.OFFData fileE11328_C
HULL
Length Overall12.600 mMaximum Beam4.170 mDraft2.091 mDisplacement8,682 kgDLR6.4495IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight480 kg(declared)Minimum weight350 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.5240.44Headsail Luffed54.2754.27Headsail FlyingSymmetricAsymmetric109.61109.61 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.27Storm Jib10.48Heavy Weather Jib28.28
SAIL LIMITS
Headsails6
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
CASCO ESTIMADO.
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.
Club Certificate2025
UNIQOESP-11328_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 VMG1430.61030.2840.7738.6680.2652.1639.1630.2634.3
52°903.0665.9558.2503.9476.5462.2455.2449.4447.7
60°840.6627.6533.9488.4465.0451.5443.2435.9432.0
75°799.9602.8518.2477.8456.0441.0429.4415.3407.5
90°819.3614.2523.5474.7447.8430.6420.2402.2388.1
110°870.9628.3516.4465.4438.8417.9399.9371.4354.7
120°896.4645.3528.4472.6443.8421.7402.0366.2330.7
135°1022.2722.9578.7502.1462.4437.8416.8378.8338.3
150°1240.5859.5672.6567.5503.9468.1445.8410.4378.4
Run VMG1432.3992.4776.7655.3581.7537.3505.1460.4426.7
Selected Courses
Windward / Leeward1430.61011.3808.7696.9630.9594.7572.1545.3530.5
All purpose1075.4773.6630.9555.4513.0488.4471.9449.8434.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward663.50.9043
All purpose534.11.1234
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8060
Downwind "popa"0.9315
70% up, 30% down "Ilhabela"0.8400
30% up, 70% down "Ilhabela-inverso"0.8899
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Predominantly Upwind575.41.0427
Predominantly Downwind549.21.0925
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low702.20.8544
Triple Number AP Medium530.91.1302
Triple Number AP High467.81.2827
Triple Number Windward/Leeward Low951.00.6309
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Single Number Predominant Upwind599.61.0007
Single Number Predominant Reaching532.21.1273
Single Number Predominant Downwind574.31.0447
Predominant Upwind - Low848.00.7075
Predominant Upwind - Low/Med639.80.9378
Predominant Upwind - Medium554.41.0823
Predominant Upwind - Med/High511.21.1738
Predominant Upwind - High494.51.2134
Predominant Downwind Low854.30.7023
Predominant Downwind Low/Med625.40.9593
Predominant Downwind Medium527.71.1370
Predominant Downwind Med/High470.01.2766
Predominant Downwind High437.11.3726
Predominant Reaching Low753.70.7960
Predominant Reaching Low/Med570.21.0523
Predominant Reaching Medium494.51.2134
Predominant Reaching Med/High451.51.3288
Predominant Reaching High427.71.4030
SA/DSPL Upwind22.05SA/DSPL Downwind35.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1065.70.5630
5-Band Windward/Leeward Low/Med772.90.7763
5-Band Windward/Leeward Medium645.80.9291
5-Band Windward/Leeward Med/High576.31.0411
5-Band Windward/Leeward High547.41.0962
Windward/Leeward 60-40 Low1069.10.5612
Windward/Leeward 60-40 Low/Med780.10.7692
Windward/Leeward 60-40 Medium655.70.9151
Windward/Leeward 60-40 Med/High589.71.0175
Windward/Leeward 60-40 High564.41.0631
5-Band AP Low777.00.7722
5-Band AP Low/Med607.90.9870
5-Band AP Medium522.31.1487
5-Band AP Med/High474.41.2647
5-Band AP High451.01.3304
5-Band SF Bay Tour - Low916.20.6549
5-Band SF Bay Tour - Low/Med737.50.8136
5-Band SF Bay Tour - Medium620.70.9667
5-Band SF Bay Tour - Med/High557.91.0755
5-Band SF Bay Tour - High531.31.1293
Chicago-Mac Upwind0.9660
Chicago-Mac All Purpose0.9891
Chicago-Mac Downwind1.0048
Bayview-Mac Cove Island0.7136
Bayview-Mac Shore0.7192
Harvest Moon Regatta463.01.2958
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance583.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating577.51.0389
FinRating, kevyt tuuli1045.50.9565
FinRating, kova tuuli453.61.1023
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0287
Triple Number Coastal/Long Distance Low0.8544
Triple Number Coastal/Long Distance Medium1.1303
Triple Number Coastal/Long Distance High1.2827
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.9109
Triple Number Windward/Leeward High1.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
For information
General Purpose Handicap (GPH)602.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low702.2
Triple Number Coastal/Long Distance Medium530.8
Triple Number Coastal/Long Distance High467.8
Triple Number Windward/Leeward Low910.1
Triple Number Windward/Leeward Medium658.7
Triple Number Windward/Leeward High567.7
Predominantly Upwind575.4
Predominantly Downwind549.2
Predominantly Reaching522.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8544
Triple Number Coastal/Long Distance Medium1.1303
Triple Number Coastal/Long Distance High1.2827
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.9109
Triple Number Windward/Leeward High1.0569
Coastal/Long Distance1.0287
Predominantly Upwind1.0427
Predominantly Downwind1.0925
For information
General Purpose Handicap (GPH)602.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1234
Distanseseilas Trippeltall svak vind0.8544
Distanseseilas Trippeltall mellomvind1.1303
Distanseseilas Trippeltall sterk vind1.2827
Pølsebane Trippeltall svak vind0.6593
Pølsebane Trippeltall mellomvind0.9109
Pølsebane Trippeltall sterk vind1.0569
Motvind Singeltall1.0427
Medvind Singeltall1.0925
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Coastal/Long Distance583.31.0287
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind575.41.0427
Predominantly Downwind549.21.0925
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore534.91.1216
Cape Doctor Coastal439.11.3664
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8544
Triple Number Coastal/Long Distance Medium1.1303
Triple Number Coastal/Long Distance High1.2827
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.9109
Triple Number Windward/Leeward High1.0569
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8544
Triple Number Coastal/Long Distance Medium1.1303
Triple Number Coastal/Long Distance High1.2827
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.9109
Triple Number Windward/Leeward High1.0569
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Predominantly Upwind575.41.0427
Predominantly Downwind549.21.0925
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance583.31.0287
Triple Number Coastal/Long Distance Low702.20.8544
Triple Number Coastal/Long Distance Medium530.81.1303
Triple Number Coastal/Long Distance High467.81.2827
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.41009.4759.9627.1548.0507.1477.3431.1412.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low702.20.8544
Triple Number AP Medium530.91.1302
Triple Number AP High467.81.2827
Triple Number Windward/Leeward Low951.00.6309
Triple Number Windward/Leeward Medium658.70.9109
Triple Number Windward/Leeward High567.71.0569
Single Number Predominant Upwind599.61.0007
Single Number Predominant Reaching532.21.1273
Single Number Predominant Downwind574.31.0447
Predominant Upwind - Low848.00.7075
Predominant Upwind - Low/Med639.80.9378
Predominant Upwind - Medium554.41.0823
Predominant Upwind - Med/High511.21.1738
Predominant Upwind - High494.51.2134
Predominant Downwind Low854.30.7023
Predominant Downwind Low/Med625.40.9593
Predominant Downwind Medium527.71.1370
Predominant Downwind Med/High470.01.2766
Predominant Downwind High437.11.3726
Predominant Reaching Low753.70.7960
Predominant Reaching Low/Med570.21.0523
Predominant Reaching Medium494.51.2134
Predominant Reaching Med/High451.51.3288
Predominant Reaching High427.71.4030
SA/DSPL Upwind22.05SA/DSPL Downwind35.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1065.70.5630
5-Band Windward/Leeward Low/Med772.90.7763
5-Band Windward/Leeward Medium645.80.9291
5-Band Windward/Leeward Med/High576.31.0411
5-Band Windward/Leeward High547.41.0962
Windward/Leeward 60-40 Low1069.10.5612
Windward/Leeward 60-40 Low/Med780.10.7692
Windward/Leeward 60-40 Medium655.70.9151
Windward/Leeward 60-40 Med/High589.71.0175
Windward/Leeward 60-40 High564.41.0631
5-Band AP Low777.00.7722
5-Band AP Low/Med607.90.9870
5-Band AP Medium522.31.1487
5-Band AP Med/High474.41.2647
5-Band AP High451.01.3304
5-Band SF Bay Tour - Low916.20.6549
5-Band SF Bay Tour - Low/Med737.50.8136
5-Band SF Bay Tour - Medium620.70.9667
5-Band SF Bay Tour - Med/High557.91.0755
5-Band SF Bay Tour - High531.31.1293
Chicago-Mac Upwind0.9660
Chicago-Mac All Purpose0.9891
Chicago-Mac Downwind1.0048
Bayview-Mac Cove Island0.7136
Bayview-Mac Shore0.7192
Harvest Moon Regatta463.01.2958
Club Certificate2025
UNIQOESP-11328_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 425 GLMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.600Max. Beam4.170Draft2.091Displacement8,682Wetted area33.48IMS L11.223LSM011.040Acc. length12.600Sink (kg/mm) 26.62
VCGD-0.105VCGM-0.143RM Rated (kg·m) 288.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight793Declared crew weight480
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P13.700IG14.473ISP15.000MDT10.100MDL10.110MDT2MDL2TLMWGO
E4.700J4.750BAS1.685FSD0.050SFJ0.150SPLWPLTPS5.500BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered290.0Flotation Date01/01/2010
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
UNIQOESP-11328_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment139.52
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment17.00NoNo 54.27
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment114.95NaN109.61
CRUISER/RACER REQUIREMENTS*
Accommodation length12.6 mTable area0.55 m²Headroom1.84 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity165 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity102 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.