Club Certificate2026
JEUNESSEITA-17481
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 Angles48.2°45.6°43.7°42.3°41.4°40.5°40.0°40.9°42.6°
Beat VMG2.103.083.814.374.825.145.315.365.23
52°3.364.805.826.577.117.467.667.787.75
60°3.685.136.146.877.367.677.878.058.06
75°3.915.376.387.107.557.868.098.428.56
90°3.835.416.587.397.888.208.458.708.94
110°3.885.496.707.507.988.358.729.439.91
120°3.745.326.517.357.878.268.649.4310.30
135°3.244.745.926.877.537.978.349.119.97
150°2.683.995.126.086.867.457.858.499.16
Run VMG2.333.464.445.265.956.486.947.668.25
Gybe Angles139.9°143.8°147.4°148.7°150.1°153.7°159.2°177.1°177.7°
APH ToD:565.8CDL: 9.464APH ToT: 1.0604CertNo:26/1
BOAT
ClassDufour 412 GLDesignerFelciBuilderDufour YachtsAge date09/2017Series date01/2016Offset fileD412GLCL.offData fileI17481
HULL
Length Overall11.980Maximum Beam4.200Draft2.096Displacement9,481DLR7.5370IMS DivisionCruiser/RacerDynamic Allowance0.450%Age Allowance0.325%RS Assessment0.000%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.464m
CREW
Maximum weight350(declared)Minimum weight220 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.2840.96Headsail Luffed38.4738.47Headsail FlyingSymmetricAsymmetric84.9185.43 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail11.80Storm Jib12.03Heavy Weather Jib32.48
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 305.6 Stability Index 129.7
COMMENTS
peso Muzzi 29.01.2026
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  03190004BNU Issued on 17/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
JEUNESSEITA-17481
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 VMG1711.61170.1944.7824.1746.6700.7678.5671.7688.4
52°1070.8749.3618.7548.2506.0482.6470.1462.8464.7
60°978.8701.4586.5524.0489.2469.2457.2447.4446.8
75°919.8670.1564.4507.2476.7458.3445.2427.6420.4
90°939.8665.8547.3486.8456.9438.8426.0413.6402.5
110°927.2655.3537.3480.0451.3431.1413.0381.9363.3
120°962.0676.6553.1489.6457.4435.9416.7381.7349.6
135°1110.3759.8607.8524.2478.3451.8431.7395.0361.0
150°1340.8901.7702.7592.6524.4483.5458.7424.2393.1
Run VMG1548.21041.2811.4684.3605.5555.3518.8469.9436.3
Selected Courses
Windward / Leeward1629.91105.7878.1754.2676.0628.0598.7570.8562.4
All purpose1220.6842.6680.2593.1541.6510.5490.4468.3457.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward710.70.8442
All purpose565.81.0604
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7321
Downwind "popa"0.8962
70% up, 30% down "Ilhabela"0.7747
30% up, 70% down "Ilhabela-inverso"0.8398
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Predominantly Upwind616.80.9728
Predominantly Downwind576.21.0413
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP589.71.0175 Predom. Rc High443.41.3531 5B SF Bay L/M798.30.7516 TriNum AP Low761.40.7880 Predom. Dn Low923.90.6494 5B SF Bay Med665.00.9022 TriNum AP Med562.61.0664 Predom. Dn L/M661.80.9067 5B SF Bay M/H586.81.0225 TriNum AP High487.11.2317 Predom. Dn Med551.81.0874 5B SF Bay High559.01.0733 TriNum W/L Low1043.30.5751 Predom. Dn M/H486.21.2340 5B AP Low849.10.7066 TriNum W/L Med706.90.8488 Predom. Dn High452.91.3248 5B AP L/M653.00.9189 TriNum W/L Hig595.51.0075 ChiMac Up Low820.50.7313 5B AP Med552.31.0864 Predom. Upwind647.80.9261 ChiMac Up Med723.90.8289 5B AP M/H494.41.2136 Predom. Reaching562.71.0663 ChiMac Up High612.80.9791 5B AP High470.21.2759 Predom. Downwind605.60.9908 ChiMac Off Low782.60.7666 5B W/L Low1179.80.5085 Predom. Up Low954.30.6287 ChiMac Off Med682.00.8797 5B W/L L/M838.10.7159 Predom. Up L/M697.90.8598 ChiMac Off High564.41.0630 5B W/L Med691.40.8678 Predom. Up Med592.21.0131 ChiMac AP Low797.00.7528 5B W/L M/H605.40.9910 Predom. Up M/H534.81.1219 ChiMac AP Med699.50.8577 5B W/L High574.21.0450 Predom. Up High517.51.1594 ChiMac AP High586.31.0234 W/L 60-40 Low1193.70.5026 Predom. Rc Low826.60.7258 BayMac Cove Island926.90.6473 W/L 60-40 L/M851.70.7045 Predom. Rc L/M605.70.9905 BayMac Shore919.50.6525 W/L 60-40 Med705.70.8503 Predom. Rc Med516.41.1619 Harvest Moon488.01.2296 W/L 60-40 M/H621.70.9651 Predom. Rc M/H466.31.2868 5B SF Bay Low987.60.6075 W/L 60-40 High594.51.0092      SA/DSPL Up17.45SA/DSPL Dn27.74
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance619.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating619.80.9680
FinRating, kevyt tuuli1160.50.8617
FinRating, kova tuuli473.51.0559
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9680
Triple Number Coastal/Long Distance Low0.7880
Triple Number Coastal/Long Distance Medium1.0666
Triple Number Coastal/Long Distance High1.2317
Triple Number Windward/Leeward Low0.6049
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High1.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
For information
General Purpose Handicap (GPH)642.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Saronikos S All_Purpose668.40.8977
Saronikos S Upwind760.00.7894
Saronikos S Downwind554.81.0814
Saronikos N All_Purpose668.40.8977
Saronikos N Upwind794.30.7553
Saronikos N Downwind602.70.9955
Saronikos SW All_Purpose676.80.8865
Saronikos SW Upwind790.00.7595
Saronikos SW Downwind558.41.0744
Saronikos NE All_Purpose721.20.8320
Saronikos NE Upwind741.10.8096
Saronikos NE Downwind681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose589.71.0175
5-Band All-Purpose Low934.20.6423
5-Band All-Purpose L/M676.90.8864
5-Band All-Purpose Med570.11.0524
5-Band All-Purpose M/H509.31.1782
5-Band All-Purpose High484.41.2386
Single Number Predominant Upwind616.10.9739
Single Number Predominant Reaching536.61.1181
Single Number Predominant Downwind576.21.0414
5-Band 50-50 Windward/Leeward Low1179.80.5085
5-Band 50-50 Windward/Leeward L/M838.10.7159
5-Band 50-50 Windward/Leeward Med691.40.8678
5-Band 50-50 Windward/Leeward M/H605.40.9910
5-Band 50-50 Windward/Leeward High574.21.0450
5-Band 60-40 Windward/Leeward Low1193.70.5026
5-Band 60-40 Windward/Leeward L/M851.70.7045
5-Band 60-40 Windward/Leeward Med705.70.8503
5-Band 60-40 Windward/Leeward M/H621.70.9651
5-Band 60-40 Windward/Leeward High594.51.0092
Triple Number 50-50 Windward/Leeward Low1043.30.5751
Triple Number 50-50 Windward/Leeward Med707.00.8486
Triple Number 50-50 Windward/Leeward High595.61.0075
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward725.30.8273
Triple Number 60-40 Windward/Leeward Low1056.80.5678
Triple Number 60-40 Windward/Leeward Med721.10.8320
Triple Number 60-40 Windward/Leeward High612.80.9792
Triple Number All-Purpose Low830.80.7222
Triple Number All-Purpose Med581.11.0325
Triple Number All-Purpose High501.81.1956
Triple Number Predominant Upwind Low857.90.6994
Triple Number Predominant Upwind Med606.80.9888
Triple Number Predominant Upwind High532.71.1263
Triple Number Predominant Reaching Low743.30.8073
Triple Number Predominant Reaching Med535.71.1201
Triple Number Predominant Reaching High450.21.3328
Triple Number Predominant Downwind Low818.60.7329
Triple Number Predominant Downwind Med563.51.0647
Triple Number Predominant Downwind High468.91.2796
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low761.4
Triple Number Coastal/Long Distance Medium562.5
Triple Number Coastal/Long Distance High487.1
Triple Number Windward/Leeward Low991.9
Triple Number Windward/Leeward Medium706.9
Triple Number Windward/Leeward High595.5
Predominantly Upwind616.8
Predominantly Downwind576.2
Predominantly Reaching547.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7880
Triple Number Coastal/Long Distance Medium1.0666
Triple Number Coastal/Long Distance High1.2317
Triple Number Windward/Leeward Low0.6049
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High1.0075
Coastal/Long Distance0.9680
Predominantly Upwind0.9728
Predominantly Downwind1.0413
For information
General Purpose Handicap (GPH)642.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0604
Distanseseilas Trippeltall svak vind0.7880
Distanseseilas Trippeltall mellomvind1.0666
Distanseseilas Trippeltall sterk vind1.2317
Pølsebane Trippeltall svak vind0.6049
Pølsebane Trippeltall mellomvind0.8488
Pølsebane Trippeltall sterk vind1.0075
Motvind Singeltall0.9728
Medvind Singeltall1.0413
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Coastal/Long Distance619.80.9680
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind616.80.9728
Predominantly Downwind576.21.0413
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore564.91.0621
Cape Doctor Coastal460.61.3025
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7880
Triple Number Coastal/Long Distance Medium1.0666
Triple Number Coastal/Long Distance High1.2317
Triple Number Windward/Leeward Low0.6049
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High1.0075
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7880
Triple Number Coastal/Long Distance Medium1.0666
Triple Number Coastal/Long Distance High1.2317
Triple Number Windward/Leeward Low0.6049
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High1.0075
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Predominantly Upwind616.80.9728
Predominantly Downwind576.21.0413
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9680
Triple Number Coastal/Long Distance Low761.40.7880
Triple Number Coastal/Long Distance Medium562.51.0666
Triple Number Coastal/Long Distance High487.11.2317
Triple Number Windward/Leeward Low991.90.6049
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High595.51.0075
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1621.81099.2821.9673.7581.1530.3495.1446.6431.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP589.71.0175 Predom. Dn High452.91.3248 5B AP M/H494.41.2136 TriNum AP Low761.40.7880 Predom. Rc Low826.60.7258 5B AP High470.21.2759 TriNum AP Med562.61.0664 Predom. Rc L/M605.70.9905 5B SF Bay Low987.60.6075 TriNum AP High487.11.2317 Predom. Rc Med516.41.1619 5B SF Bay L/M798.30.7516 TriNum W/L Low1043.30.5751 Predom. Rc M/H466.31.2868 5B SF Bay Med665.00.9022 TriNum W/L Med706.90.8488 Predom. Rc High443.41.3531 5B SF Bay M/H586.81.0225 TriNum W/L Hig595.51.0075 5B W/L Low1179.80.5085 5B SF Bay High559.01.0733 Predom. Upwind647.80.9261 5B W/L L/M838.10.7159 ChiMac Up Low820.50.7313 Predom. Reaching562.71.0663 5B W/L Med691.40.8678 ChiMac Up Med723.90.8289 Predom. Downwind605.60.9908 5B W/L M/H605.40.9910 ChiMac Up High612.80.9791 Predom. Up Low954.30.6287 5B W/L High574.21.0450 ChiMac Off Low782.60.7666 Predom. Up L/M697.90.8598 W/L 60-40 Low1193.70.5026 ChiMac Off Med682.00.8797 Predom. Up Med592.21.0131 W/L 60-40 L/M851.70.7045 ChiMac Off High564.41.0630 Predom. Up M/H534.81.1219 W/L 60-40 Med705.70.8503 ChiMac AP Low797.00.7528 Predom. Up High517.51.1594 W/L 60-40 M/H621.70.9651 ChiMac AP Med699.50.8577 Predom. Dn Low923.90.6494 W/L 60-40 High594.51.0092 ChiMac AP High586.31.0234 Predom. Dn L/M661.80.9067 5B AP Low849.10.7066 BayMac Cove Island926.90.6473 Predom. Dn Med551.81.0874 5B AP L/M653.00.9189 BayMac Shore919.50.6525 Predom. Dn M/H486.21.2340 5B AP Med552.31.0864 Harvest Moon488.01.2296      SA/DSPL Up17.45SA/DSPL Dn27.74
ORC Ref  03190004BNU Issued on 17/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
JEUNESSEITA-17481
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 412 GLMeasurement29/01/2026HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.980Maximum beam4.200Draft2.096Displacement9,481Wetted area35.29IMS L10.927LSM010.794Accomod. length11.980Sink (kg/mm) 26.99
VCGD-0.100VCGM-0.085 RM Rated (kg·m) 305.6Limit of positive stability(°) 127.0 Stability Index 129.7 BLR index 0.0000Default crew weight768 Declared crew weight 350
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.464PBWPIPA0.0040
EDL3.100ST10.065ST20.180
ST30.180ST40.110ST50.280
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.650IG15.400ISP16.080MDT10.165MDL10.240MDT20.165MDL20.240TLMW0.240GO0.270
E4.600J4.250BAS1.980FSD0.058SFJ0.090SPLWPLTPS5.069BD0.190MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date16/02/2026
SFFP0.280FFM1.634FF1.634LCFcl6.584SG1.0260
SAFP11.757FAM1.308FA1.308LCFsh6.905HBI1.431
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004BNU Issued on 17/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
JEUNESSEITA-17481
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.110.991.782.973.8740.2813/03/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC0.035.4114.15NoNo 38.4713/03/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA15.0012.8013.907.307.4598%84.9109/03/2023
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.0 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity150 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity90 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004BNU Issued on 17/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org