International Certificate2026
BALANGUERAESP-9653
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 Angles46.4°43.8°42.0°40.8°39.7°38.9°39.0°39.3°41.0°
Beat VMG2.032.883.473.894.204.384.464.494.36
52°3.204.405.195.706.026.216.316.366.31
60°3.454.635.415.906.186.366.476.556.54
75°3.614.785.576.056.336.516.666.876.94
90°3.514.795.726.266.556.756.887.097.34
110°3.534.895.826.366.676.967.267.667.85
120°3.404.715.686.276.616.927.247.768.13
135°2.994.275.225.966.406.707.017.628.10
150°2.493.654.625.436.046.436.727.327.85
Run VMG2.163.164.014.745.375.886.276.827.37
Gybe Angles141.7°145.3°152.3°155.6°161.9°167.3°176.3°178.1°177.9°
APH ToD:652.9CDL: 6.735APH ToT: 0.9190CertNo:965301
BOAT
ClassDUFOUR 31DesignerDUFOURBuilderDUFOURAge date02/1977Series date01/1977Offset fileE120.OFFData fileE9653
HULL
Length Overall9.320Maximum Beam3.288Draft1.768Displacement4,480DLR12.2928IMS DivisionCruiser/RacerDynamic Allowance0.670%Age Allowance0.650%RS Assessment-0.152%
PROPELLER
InstallationShaft non exposedTypeFeathering 3 bladesDiameter0.400m
CREW
Maximum weight450(declared)Minimum weight320 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.4619.84Headsail Luffed29.3129.31Headsail FlyingSymmetric63.5263.52Asymmetric61.8461.84 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail5.59Storm Jib6.91Heavy Weather Jib18.64
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 74.2 Stability Index 124.1
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  03510004BFF Issued on 13/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
BALANGUERAESP-9653
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 VMG1770.41251.01038.4924.7857.4821.4806.3802.3826.4
52°1124.5818.2694.2631.1597.6579.9570.6566.1570.6
60°1044.8777.1664.9610.5582.3566.4556.7550.0550.7
75°996.4753.6646.4595.1569.0552.8540.6524.3519.1
90°1026.1751.4629.4574.7549.2533.1523.3508.1490.5
110°1020.8736.5618.1566.4539.5516.9495.9469.7458.5
120°1059.5763.9634.1574.3544.4520.4497.0463.8443.0
135°1205.2843.4689.1604.3562.7537.0513.6472.5444.6
150°1445.1987.3779.1663.4596.1560.2536.1491.6458.7
Run VMG1668.71140.0897.5760.1669.9612.0574.2528.1488.2
Selected Courses
Windward / Leeward1719.61195.5968.0842.4763.7716.7690.3665.2657.3
All purpose1301.6924.0761.9677.2629.1600.4582.2560.5551.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward799.80.7502
All purpose652.90.9190
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6460
Downwind "popa"0.8105
70% up, 30% down "Ilhabela"0.6879
30% up, 70% down "Ilhabela-inverso"0.7530
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Predominantly Upwind710.40.8446
Predominantly Downwind658.20.9116
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP678.70.8840 Predom. Rc High534.91.1216 5B SF Bay L/M886.70.6767 TriNum AP Low842.90.7118 Predom. Dn Low1011.80.5930 5B SF Bay Med756.40.7933 TriNum AP Med649.10.9243 Predom. Dn L/M744.90.8055 5B SF Bay M/H682.90.8786 TriNum AP High578.61.0369 Predom. Dn Med633.80.9467 5B SF Bay High657.30.9129 TriNum W/L Low1132.90.5296 Predom. Dn M/H567.71.0569 5B AP Low932.40.6435 TriNum W/L Med795.20.7545 Predom. Dn High533.91.1238 5B AP L/M736.30.8149 TriNum W/L Hig687.40.8728 ChiMac Up Low904.40.6634 5B AP Med639.50.9383 Predom. Upwind740.80.8099 ChiMac Up Med812.90.7381 5B AP M/H585.61.0246 Predom. Reaching650.60.9223 ChiMac Up High708.20.8473 5B AP High562.81.0661 Predom. Downwind688.50.8715 ChiMac Off Low868.10.6911 5B W/L Low1269.60.4726 Predom. Up Low1032.40.5812 ChiMac Off Med765.80.7835 5B W/L L/M927.10.6472 Predom. Up L/M784.20.7651 ChiMac Off High646.30.9284 5B W/L Med779.80.7694 Predom. Up Med686.60.8739 ChiMac AP Low882.00.6803 5B W/L M/H696.60.8613 Predom. Up M/H636.80.9422 ChiMac AP Med786.20.7631 5B W/L High668.10.8980 Predom. Up High622.00.9646 ChiMac AP High675.10.8888 W/L 60-40 Low1281.20.4683 Predom. Rc Low909.30.6598 BayMac Cove Island1013.80.5918 W/L 60-40 L/M942.20.6368 Predom. Rc L/M689.90.8697 BayMac Shore1006.20.5963 W/L 60-40 Med798.60.7514 Predom. Rc Med604.90.9919 Harvest Moon573.21.0467 W/L 60-40 M/H719.80.8336 Predom. Rc M/H558.21.0749 5B SF Bay Low1074.50.5584 W/L 60-40 High695.90.8621      SA/DSPL Up17.86SA/DSPL Dn30.38
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance710.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating710.00.8450
FinRating, kevyt tuuli1249.20.8005
FinRating, kova tuuli567.50.8810
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8450
Triple Number Coastal/Long Distance Low0.7118
Triple Number Coastal/Long Distance Medium0.9244
Triple Number Coastal/Long Distance High1.0369
Triple Number Windward/Leeward Low0.5547
Triple Number Windward/Leeward Medium0.7545
Triple Number Windward/Leeward High0.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
For information
General Purpose Handicap (GPH)733.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Saronikos S All_Purpose752.50.7973
Saronikos S Upwind852.90.7035
Saronikos S Downwind627.80.9557
Saronikos N All_Purpose752.50.7973
Saronikos N Upwind887.90.6758
Saronikos N Downwind683.60.8777
Saronikos SW All_Purpose761.00.7885
Saronikos SW Upwind877.70.6836
Saronikos SW Downwind639.20.9387
Saronikos NE All_Purpose812.50.7385
Saronikos NE Upwind832.40.7208
Saronikos NE Downwind767.30.7820
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose678.70.8840
5-Band All-Purpose Low1017.60.5896
5-Band All-Purpose L/M761.90.7875
5-Band All-Purpose Med658.50.9111
5-Band All-Purpose M/H601.30.9979
5-Band All-Purpose High577.31.0393
Single Number Predominant Upwind709.30.8460
Single Number Predominant Reaching624.30.9611
Single Number Predominant Downwind658.50.9111
5-Band 50-50 Windward/Leeward Low1269.60.4726
5-Band 50-50 Windward/Leeward L/M927.10.6472
5-Band 50-50 Windward/Leeward Med779.80.7694
5-Band 50-50 Windward/Leeward M/H696.60.8613
5-Band 50-50 Windward/Leeward High668.10.8980
5-Band 60-40 Windward/Leeward Low1281.20.4683
5-Band 60-40 Windward/Leeward L/M942.20.6368
5-Band 60-40 Windward/Leeward Med798.60.7514
5-Band 60-40 Windward/Leeward M/H719.80.8336
5-Band 60-40 Windward/Leeward High695.90.8621
Triple Number 50-50 Windward/Leeward Low1132.90.5296
Triple Number 50-50 Windward/Leeward Med795.30.7544
Triple Number 50-50 Windward/Leeward High687.50.8728
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward818.50.7330
Triple Number 60-40 Windward/Leeward Low1145.50.5238
Triple Number 60-40 Windward/Leeward Med813.40.7376
Triple Number 60-40 Windward/Leeward High711.70.8431
Triple Number All-Purpose Low914.60.6561
Triple Number All-Purpose Med668.80.8971
Triple Number All-Purpose High594.11.0100
Triple Number Predominant Upwind Low939.20.6388
Triple Number Predominant Upwind Med699.70.8575
Triple Number Predominant Upwind High637.90.9406
Triple Number Predominant Reaching Low825.90.7265
Triple Number Predominant Reaching Med623.60.9622
Triple Number Predominant Reaching High542.11.1067
Triple Number Predominant Downwind Low904.30.6635
Triple Number Predominant Downwind Med644.50.9309
Triple Number Predominant Downwind High547.41.0961
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low842.9
Triple Number Coastal/Long Distance Medium649.1
Triple Number Coastal/Long Distance High578.6
Triple Number Windward/Leeward Low1081.7
Triple Number Windward/Leeward Medium795.2
Triple Number Windward/Leeward High687.4
Predominantly Upwind710.4
Predominantly Downwind658.2
Predominantly Reaching633.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7118
Triple Number Coastal/Long Distance Medium0.9244
Triple Number Coastal/Long Distance High1.0369
Triple Number Windward/Leeward Low0.5547
Triple Number Windward/Leeward Medium0.7545
Triple Number Windward/Leeward High0.8728
Coastal/Long Distance0.8450
Predominantly Upwind0.8446
Predominantly Downwind0.9116
For information
General Purpose Handicap (GPH)733.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9190
Distanseseilas Trippeltall svak vind0.7118
Distanseseilas Trippeltall mellomvind0.9244
Distanseseilas Trippeltall sterk vind1.0369
Pølsebane Trippeltall svak vind0.5547
Pølsebane Trippeltall mellomvind0.7545
Pølsebane Trippeltall sterk vind0.8728
Motvind Singeltall0.8446
Medvind Singeltall0.9116
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Coastal/Long Distance710.00.8450
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind710.40.8446
Predominantly Downwind658.20.9116
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore659.60.9096
Cape Doctor Coastal554.41.0823
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7118
Triple Number Coastal/Long Distance Medium0.9244
Triple Number Coastal/Long Distance High1.0369
Triple Number Windward/Leeward Low0.5547
Triple Number Windward/Leeward Medium0.7545
Triple Number Windward/Leeward High0.8728
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7118
Triple Number Coastal/Long Distance Medium0.9244
Triple Number Coastal/Long Distance High1.0369
Triple Number Windward/Leeward Low0.5547
Triple Number Windward/Leeward Medium0.7545
Triple Number Windward/Leeward High0.8728
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Predominantly Upwind710.40.8446
Predominantly Downwind658.20.9116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance710.00.8450
Triple Number Coastal/Long Distance Low842.90.7118
Triple Number Coastal/Long Distance Medium649.10.9244
Triple Number Coastal/Long Distance High578.61.0369
Triple Number Windward/Leeward Low1081.70.5547
Triple Number Windward/Leeward Medium795.20.7545
Triple Number Windward/Leeward High687.40.8728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1714.51189.9909.7760.6671.0622.7588.3537.2523.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP678.70.8840 Predom. Dn High533.91.1238 5B AP M/H585.61.0246 TriNum AP Low842.90.7118 Predom. Rc Low909.30.6598 5B AP High562.81.0661 TriNum AP Med649.10.9243 Predom. Rc L/M689.90.8697 5B SF Bay Low1074.50.5584 TriNum AP High578.61.0369 Predom. Rc Med604.90.9919 5B SF Bay L/M886.70.6767 TriNum W/L Low1132.90.5296 Predom. Rc M/H558.21.0749 5B SF Bay Med756.40.7933 TriNum W/L Med795.20.7545 Predom. Rc High534.91.1216 5B SF Bay M/H682.90.8786 TriNum W/L Hig687.40.8728 5B W/L Low1269.60.4726 5B SF Bay High657.30.9129 Predom. Upwind740.80.8099 5B W/L L/M927.10.6472 ChiMac Up Low904.40.6634 Predom. Reaching650.60.9223 5B W/L Med779.80.7694 ChiMac Up Med812.90.7381 Predom. Downwind688.50.8715 5B W/L M/H696.60.8613 ChiMac Up High708.20.8473 Predom. Up Low1032.40.5812 5B W/L High668.10.8980 ChiMac Off Low868.10.6911 Predom. Up L/M784.20.7651 W/L 60-40 Low1281.20.4683 ChiMac Off Med765.80.7835 Predom. Up Med686.60.8739 W/L 60-40 L/M942.20.6368 ChiMac Off High646.30.9284 Predom. Up M/H636.80.9422 W/L 60-40 Med798.60.7514 ChiMac AP Low882.00.6803 Predom. Up High622.00.9646 W/L 60-40 M/H719.80.8336 ChiMac AP Med786.20.7631 Predom. Dn Low1011.80.5930 W/L 60-40 High695.90.8621 ChiMac AP High675.10.8888 Predom. Dn L/M744.90.8055 5B AP Low932.40.6435 BayMac Cove Island1013.80.5918 Predom. Dn Med633.80.9467 5B AP L/M736.30.8149 BayMac Shore1006.20.5963 Predom. Dn M/H567.71.0569 5B AP Med639.50.9383 Harvest Moon573.21.0467      SA/DSPL Up17.86SA/DSPL Dn30.38
ORC Ref  03510004BFF Issued on 13/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
BALANGUERAESP-9653
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 31Measurement21/01/2011HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.320Maximum beam3.288Draft1.768Displacement4,480Wetted area19.21IMS L7.403LSM07.142Accomod. length9.320Sink (kg/mm) 13.32
VCGD-0.181VCGM-0.047 RM Rated (kg·m) 74.2Limit of positive stability(°) 124.7 Stability Index 124.1 BLR index 0.0000Default crew weight426 Declared crew weight 450
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0016
PSD0.025PHD0.075PHL0.100
PSA10.0°ESL0.080
RIG
BackstayAdjustableForestayFixedInner forestayFixedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P10.060IG11.700ISP11.800MDT10.110MDL10.175MDT20.110MDL20.175TLMW0.175GO0.190
E3.170J3.610BAS1.354FSD0.040SFJSPL3.690WPLTPS3.610BD0.120MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date21/12/2018MeasurerESP 762
SFFP0.760FFM1.186FF1.189LCFcl5.226SG1.0250
SAFP8.895FAM1.030FA1.029LCFsh5.480HBI1.107
W151.9W251.9W351.9W451.9
PD1582.5PD2580.5PD3581.3PD4587.6
WD10.530PLM9000.00GSA1.0RSA1.0RM73.8
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG001gasoil metalico0.9000100154.00002agua metalico10004.00Total deductible144.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG3xBattery100AH 12V3.101Engine (IC)Betus 28 caballos Distance: 3,30Total deductible
ORC Ref  03510004BFF Issued on 13/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
BALANGUERAESP-9653
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.140.741.332.102.6519.4612/02/2016
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.060.651.302.664.055.4210.91NoNo 29.3112/02/2016
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS111.6711.6711.676.596.3063.5212/02/2016
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00111.329.3010.317.366.55112%61.8412/02/2016
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03510004BFF Issued on 13/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org