Club Certificate2026
MAXIMVSPOR 8540
Federação Portuguesa de Vela
Doca de Belém
1300-038 Lisboa, Portugal
fpvela.pt
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 Angles47.6°45.1°43.2°41.8°40.4°38.9°38.2°38.6°39.4°
Beat VMG2.183.193.964.545.015.365.545.655.58
52°3.474.966.016.767.277.607.807.947.94
60°3.765.276.327.037.497.797.998.178.20
75°3.975.476.527.227.667.968.198.528.66
90°3.835.446.657.477.958.268.458.719.06
110°3.895.556.807.618.098.478.839.479.88
120°3.765.396.627.477.998.398.789.5810.41
135°3.274.796.026.987.648.088.469.2610.19
150°2.714.035.186.156.957.547.948.589.25
Run VMG2.343.494.495.336.026.556.997.688.25
Gybe Angles139.9°143.3°146.9°148.3°149.6°152.5°157.5°163.7°176.6°
APH ToD:553.5CDL: 9.993APH ToT: 1.0840CertNo:
BOAT
ClassDUFOUR 425 GLDesignerFELCIBuilderDUFOURAge date07/2010Series date01/2009Offset fileDUF425CL.OFFData filePOR8540C
HULL
Length Overall12.600 mMaximum Beam4.170 mDraft2.098 mDisplacement8,813 kgDLR6.4213IMS DivisionCruiser/RacerDynamic Allowance0.390%Age Allowance0.552%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFeathering 3 bladesDiameterm
CREW
Maximum weight800 kg(default)Minimum weight670 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0335.37Headsail Luffed44.0844.08Headsail FlyingSymmetricAsymmetric101.84101.84 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail11.26Storm Jib10.81Heavy Weather Jib29.18
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 236.6 kg·m Stability Index 111.3
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  03530004VJV Issued on 22/07/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MAXIMVSPOR 8540
Federação Portuguesa de Vela
Doca de Belém
1300-038 Lisboa, Portugal
fpvela.pt
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 VMG1651.51128.0909.6792.3718.4672.1649.2637.6644.8
52°1038.6725.7598.6532.3494.9473.4461.5453.4453.4
60°956.6682.7569.9511.9480.7462.4450.7440.7439.0
75°906.5657.5552.2498.4469.9452.5439.7422.5415.8
90°938.8662.3541.6481.8452.8435.9426.0413.6397.5
110°925.5648.6529.3472.8444.9425.0407.6380.1364.5
120°956.8668.4544.2481.7450.5429.2410.1375.9345.9
135°1101.4751.1598.4515.6471.0445.3425.4388.6353.2
150°1330.2892.8695.1585.1517.7477.6453.5419.8389.2
Run VMG1536.01030.9802.7675.7597.8549.7515.3469.0436.3
Selected Courses
Windward / Leeward1593.71079.5856.1734.0658.1610.9582.3553.3540.5
All purpose1198.9825.2664.6579.5530.1499.8480.3457.7444.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward691.90.8672
All purpose553.51.0840
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7626
Downwind "popa"0.9050
70% up, 30% down "Ilhabela"0.8004
30% up, 70% down "Ilhabela-inverso"0.8570
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Predominantly Upwind600.50.9992
Predominantly Downwind566.81.0586
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP577.41.0391 Predom. Rc High436.61.3742 5B SF Bay L/M777.10.7721 TriNum AP Low744.90.8054 Predom. Dn Low910.70.6588 5B SF Bay Med646.70.9277 TriNum AP Med550.21.0904 Predom. Dn L/M650.60.9222 5B SF Bay M/H569.61.0534 TriNum AP High476.71.2587 Predom. Dn Med542.71.1057 5B SF Bay High540.11.1108 TriNum W/L Low1018.20.5893 Predom. Dn M/H479.31.2518 5B AP Low834.50.7190 TriNum W/L Med688.10.8720 Predom. Dn High446.31.3444 5B AP L/M638.40.9399 TriNum W/L Hig578.51.0371 ChiMac Up Low798.40.7515 5B AP Med540.31.1106 Predom. Upwind630.50.9517 ChiMac Up Med704.30.8519 5B AP M/H484.01.2398 Predom. Reaching553.61.0839 ChiMac Up High595.71.0072 5B AP High459.31.3063 Predom. Downwind596.11.0065 ChiMac Off Low770.70.7785 5B W/L Low1152.20.5207 Predom. Up Low929.20.6457 ChiMac Off Med671.50.8935 5B W/L L/M816.70.7346 Predom. Up L/M678.50.8843 ChiMac Off High555.51.0802 5B W/L Med673.00.8915 Predom. Up Med576.71.0405 ChiMac AP Low780.50.7687 5B W/L M/H588.61.0194 Predom. Up M/H521.01.1516 ChiMac AP Med684.90.8761 5B W/L High556.11.0789 Predom. Up High502.11.1950 ChiMac AP High573.61.0460 W/L 60-40 Low1162.60.5161 Predom. Rc Low814.00.7371 BayMac Cove Island906.90.6616 W/L 60-40 L/M827.80.7248 Predom. Rc L/M594.81.0087 BayMac Shore899.80.6668 W/L 60-40 Med685.00.8759 Predom. Rc Med507.71.1818 Harvest Moon481.41.2462 W/L 60-40 M/H602.30.9963 Predom. Rc M/H459.81.3049 5B SF Bay Low962.70.6232 W/L 60-40 High573.01.0470      SA/DSPL Up18.41SA/DSPL Dn31.85
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance605.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating605.90.9903
FinRating, kevyt tuuli1135.50.8807
FinRating, kova tuuli462.71.0805
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9903
Triple Number Coastal/Long Distance Low0.8054
Triple Number Coastal/Long Distance Medium1.0906
Triple Number Coastal/Long Distance High1.2587
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8720
Triple Number Windward/Leeward High1.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
For information
General Purpose Handicap (GPH)628.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Saronikos S All Purpose651.70.9207
Saronikos S Upwind736.40.8147
Saronikos S Downwind549.51.0918
Saronikos N All Purpose675.70.8880
Saronikos N Upwind769.40.7798
Saronikos N Downwind595.61.0074
Saronikos SW All Purpose660.50.9084
Saronikos SW Upwind767.50.7818
Saronikos SW Downwind551.91.0872
Saronikos NE All Purpose705.70.8502
Saronikos NE Upwind722.50.8304
Saronikos NE Downwind674.20.8899
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose577.41.0391
5-Band All Purpose Low915.70.6553
5-Band All Purpose L/M662.00.9063
5-Band All Purpose Med558.01.0752
5-Band All Purpose M/H499.31.2018
5-Band All Purpose High473.81.2665
Single Number Predominant Upwind599.71.0004
Single Number Predominant Reaching527.61.1372
Single Number Predominant Downwind566.81.0586
5-Band 50-50 Windward/Leeward Low1152.20.5207
5-Band 50-50 Windward/Leeward L/M816.70.7346
5-Band 50-50 Windward/Leeward Med673.00.8915
5-Band 50-50 Windward/Leeward M/H588.61.0194
5-Band 50-50 Windward/Leeward High556.11.0789
5-Band 60-40 Windward/Leeward Low1162.60.5161
5-Band 60-40 Windward/Leeward L/M827.80.7248
5-Band 60-40 Windward/Leeward Med685.00.8759
5-Band 60-40 Windward/Leeward M/H602.30.9963
5-Band 60-40 Windward/Leeward High573.01.0470
Triple Number 50-50 Windward/Leeward Low1018.20.5893
Triple Number 50-50 Windward/Leeward Med688.20.8718
Triple Number 50-50 Windward/Leeward High578.61.0371
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward704.00.8523
Triple Number 60-40 Windward/Leeward Low1028.60.5833
Triple Number 60-40 Windward/Leeward Med700.10.8571
Triple Number 60-40 Windward/Leeward High593.01.0119
Triple Number All-Purpose Low813.70.7374
Triple Number All-Purpose Med568.61.0552
Triple Number All-Purpose High491.81.2200
Triple Number Predominant Upwind Low835.50.7181
Triple Number Predominant Upwind Med590.51.0160
Triple Number Predominant Upwind High518.11.1582
Triple Number Predominant Reaching Low730.50.8213
Triple Number Predominant Reaching Med525.81.1412
Triple Number Predominant Reaching High444.51.3499
Triple Number Predominant Downwind Low805.80.7446
Triple Number Predominant Downwind Med554.51.0820
Triple Number Predominant Downwind High463.11.2956
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low745.0
Triple Number Coastal/Long Distance Medium550.2
Triple Number Coastal/Long Distance High476.7
Triple Number Windward/Leeward Low967.7
Triple Number Windward/Leeward Medium688.1
Triple Number Windward/Leeward High578.5
Predominantly Upwind600.5
Predominantly Downwind566.8
Predominantly Reaching538.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8054
Triple Number Coastal/Long Distance Medium1.0906
Triple Number Coastal/Long Distance High1.2587
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8720
Triple Number Windward/Leeward High1.0371
Coastal/Long Distance0.9903
Predominantly Upwind0.9992
Predominantly Downwind1.0586
For information
General Purpose Handicap (GPH)628.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0840
Distanseseilas Trippeltall svak vind0.8054
Distanseseilas Trippeltall mellomvind1.0906
Distanseseilas Trippeltall sterk vind1.2587
Pølsebane Trippeltall svak vind0.6200
Pølsebane Trippeltall mellomvind0.8720
Pølsebane Trippeltall sterk vind1.0371
Motvind Singeltall0.9992
Medvind Singeltall1.0586
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Coastal/Long Distance605.90.9903
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind600.50.9992
Predominantly Downwind566.81.0586
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore544.31.1022
Cape Doctor Coastal448.41.3382
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8054
Triple Number Coastal/Long Distance Medium1.0906
Triple Number Coastal/Long Distance High1.2587
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8720
Triple Number Windward/Leeward High1.0371
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8054
Triple Number Coastal/Long Distance Medium1.0906
Triple Number Coastal/Long Distance High1.2587
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8720
Triple Number Windward/Leeward High1.0371
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Predominantly Upwind600.50.9992
Predominantly Downwind566.81.0586
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.90.9903
Triple Number Coastal/Long Distance Low745.00.8054
Triple Number Coastal/Long Distance Medium550.21.0906
Triple Number Coastal/Long Distance High476.71.2587
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium688.10.8720
Triple Number Windward/Leeward High578.51.0371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1588.01074.6802.4657.1567.8518.9485.5439.5422.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP577.41.0391 Predom. Dn High446.31.3444 5B AP M/H484.01.2398 TriNum AP Low744.90.8054 Predom. Rc Low814.00.7371 5B AP High459.31.3063 TriNum AP Med550.21.0904 Predom. Rc L/M594.81.0087 5B SF Bay Low962.70.6232 TriNum AP High476.71.2587 Predom. Rc Med507.71.1818 5B SF Bay L/M777.10.7721 TriNum W/L Low1018.20.5893 Predom. Rc M/H459.81.3049 5B SF Bay Med646.70.9277 TriNum W/L Med688.10.8720 Predom. Rc High436.61.3742 5B SF Bay M/H569.61.0534 TriNum W/L Hig578.51.0371 5B W/L Low1152.20.5207 5B SF Bay High540.11.1108 Predom. Upwind630.50.9517 5B W/L L/M816.70.7346 ChiMac Up Low798.40.7515 Predom. Reaching553.61.0839 5B W/L Med673.00.8915 ChiMac Up Med704.30.8519 Predom. Downwind596.11.0065 5B W/L M/H588.61.0194 ChiMac Up High595.71.0072 Predom. Up Low929.20.6457 5B W/L High556.11.0789 ChiMac Off Low770.70.7785 Predom. Up L/M678.50.8843 W/L 60-40 Low1162.60.5161 ChiMac Off Med671.50.8935 Predom. Up Med576.71.0405 W/L 60-40 L/M827.80.7248 ChiMac Off High555.51.0802 Predom. Up M/H521.01.1516 W/L 60-40 Med685.00.8759 ChiMac AP Low780.50.7687 Predom. Up High502.11.1950 W/L 60-40 M/H602.30.9963 ChiMac AP Med684.90.8761 Predom. Dn Low910.70.6588 W/L 60-40 High573.01.0470 ChiMac AP High573.61.0460 Predom. Dn L/M650.60.9222 5B AP Low834.50.7190 BayMac Cove Island906.90.6616 Predom. Dn Med542.71.1057 5B AP L/M638.40.9399 BayMac Shore899.80.6668 Predom. Dn M/H479.31.2518 5B AP Med540.31.1106 Harvest Moon481.41.2462      SA/DSPL Up18.41SA/DSPL Dn31.85
ORC Ref  03530004VJV Issued on 22/07/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MAXIMVSPOR 8540
Federação Portuguesa de Vela
Doca de Belém
1300-038 Lisboa, Portugal
fpvela.pt
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 425 GLMeasurement30/06/2011HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.600Maximum beam4.170Draft2.098Displacement8,813Wetted area33.63IMS L11.343LSM011.112Accomod. length12.600Sink (kg/mm) 26.67
VCGD0.240VCGM0.196 RM Rated (kg·m) 236.6Limit of positive stability(°) 108.9 Stability Index 111.3 BLR index 0.0000Default crew weight800 Declared crew weight
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRDPBW
EDLST1ST2
ST3ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P13.680IG14.700ISP15.210MDT10.135MDL10.240MDT2MDL2TLMWGO
E4.700J4.750BAS1.530FSDSFJ0.150SPLWPLTPS4.900BD0.130MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2022
SFFP0.189FFM1.529FF1.529LCFcl7.039SG
SAFP11.957FAM1.154FA1.154LCFsh7.330HBI1.310
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03530004VJV Issued on 22/07/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MAXIMVSPOR 8540
Federação Portuguesa de Vela
Doca de Belém
1300-038 Lisboa, Portugal
fpvela.pt
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.060.731.432.693.7535.0330/06/2011
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.701.432.994.756.6314.03NoNo 44.0830/06/2011
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment115.2514.0014.638.079.5085%101.8430/06/2011
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
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.
ORC Ref  03530004VJV Issued on 22/07/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org