Club Certificate2026
ALEXGRE-1610
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
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 Angles48.0°46.4°44.9°43.6°42.6°41.4°41.0°41.6°43.8°
Beat VMG1.722.553.183.644.014.274.404.384.18
52°2.754.024.925.555.996.286.436.486.38
60°3.014.315.215.836.236.496.646.736.69
75°3.284.655.626.226.556.716.887.117.15
90°3.514.925.906.486.817.057.237.427.64
110°3.434.875.926.556.937.277.598.148.49
120°3.304.705.756.446.857.217.578.328.96
135°2.874.205.266.086.596.967.318.098.95
150°2.393.574.585.416.076.526.847.448.12
Run VMG2.073.093.974.695.265.726.116.717.22
Gybe Angles142.0°145.1°147.1°148.3°151.0°156.6°161.5°179.8°179.8°
APH ToD:658.8CDL: 6.794APH ToT: 0.9108CertNo:00930
BOAT
ClassDUFOUR 30 CLASSICDesignerJ&J DESIGNBuilderDUFOURAge date01/1998Series date01/1996Offset fileDU30CLAS.offData fileGR1610
HULL
Length Overall9.030 mMaximum Beam3.040 mDraft1.558 mDisplacement3,509 kgDLR7.2303IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.406m
CREW
Maximum weight425 kg(declared)Minimum weight295 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.7422.23Headsail Luffed19.2019.20Headsail FlyingSymmetricAsymmetric52.6952.69 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.42Storm Jib6.71Heavy Weather Jib18.11
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 75.0 kg·m Stability Index 111.0
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  03420004S17 Issued on 03/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALEXGRE-1610
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
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 VMG2087.21409.51131.3988.4898.4842.2818.9821.9861.4
52°1307.8896.6731.6648.8600.6573.2559.7555.4564.6
60°1195.8835.7690.7617.5577.8554.8542.0534.8538.4
75°1099.0773.5641.0578.6549.6536.7523.6506.3503.3
90°1025.6732.1609.8555.7528.3510.4498.2485.2471.4
110°1048.6739.4607.8550.0519.6495.5474.1442.5423.9
120°1091.8765.8625.6559.3525.4499.6475.5432.5401.9
135°1253.8856.6683.9592.5546.2517.6492.7445.2402.2
150°1503.21008.6786.1664.9592.7552.0526.2484.0443.5
Run VMG1735.81164.6907.8767.8684.0629.2589.6536.3498.3
Selected Courses
Windward / Leeward1911.51287.11019.5878.1791.2735.7704.2679.1679.9
All purpose1424.2974.9784.5687.6631.9596.6575.0553.0545.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward830.80.7222
All purpose658.80.9108
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6078
Downwind "popa"0.7956
70% up, 30% down "Ilhabela"0.6541
30% up, 70% down "Ilhabela-inverso"0.7281
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Predominantly Upwind726.30.8262
Predominantly Downwind660.30.9087
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP686.90.8735 Predom. Rc High519.01.1561 5B SF Bay L/M931.70.6440 TriNum AP Low879.70.6821 Predom. Dn Low1050.50.5711 5B SF Bay Med779.40.7699 TriNum AP Med654.50.9168 Predom. Dn L/M753.90.7959 5B SF Bay M/H692.20.8668 TriNum AP High572.21.0486 Predom. Dn Med633.60.9469 5B SF Bay High666.00.9009 TriNum W/L Low1215.00.4938 Predom. Dn M/H561.81.0679 5B AP Low978.20.6133 TriNum W/L Med825.30.7270 Predom. Dn High524.51.1440 5B AP L/M755.80.7938 TriNum W/L Hig702.70.8539 ChiMac Up Low966.70.6207 5B AP Med643.20.9328 Predom. Upwind765.30.7840 ChiMac Up Med853.90.7027 5B AP M/H579.81.0349 Predom. Reaching649.70.9235 ChiMac Up High724.40.8283 5B AP High555.61.0799 Predom. Downwind694.10.8644 ChiMac Off Low891.40.6731 5B W/L Low1376.30.4360 Predom. Up Low1124.90.5334 ChiMac Off Med779.10.7701 5B W/L L/M975.40.6152 Predom. Up L/M819.30.7323 ChiMac Off High647.40.9268 5B W/L Med808.10.7425 Predom. Up Med698.50.8590 ChiMac AP Low922.40.6505 5B W/L M/H712.60.8420 Predom. Up M/H634.60.9455 ChiMac AP Med811.60.7393 5B W/L High683.60.8777 Predom. Up High619.60.9684 ChiMac AP High682.80.8787 W/L 60-40 Low1402.90.4277 Predom. Rc Low942.70.6365 BayMac Cove Island1077.50.5568 W/L 60-40 L/M997.80.6013 Predom. Rc L/M694.00.8645 BayMac Shore1068.80.5614 W/L 60-40 Med829.80.7230 Predom. Rc Med598.01.0033 Harvest Moon563.81.0641 W/L 60-40 M/H736.10.8151 Predom. Rc M/H544.11.1028 5B SF Bay Low1153.60.5201 W/L 60-40 High712.50.8421      SA/DSPL Up17.66SA/DSPL Dn32.10
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance722.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating722.50.8305
FinRating, kevyt tuuli1350.40.7405
FinRating, kova tuuli559.10.8943
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8305
Triple Number Coastal/Long Distance Low0.6821
Triple Number Coastal/Long Distance Medium0.9169
Triple Number Coastal/Long Distance High1.0486
Triple Number Windward/Leeward Low0.5202
Triple Number Windward/Leeward Medium0.7270
Triple Number Windward/Leeward High0.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
For information
General Purpose Handicap (GPH)746.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Saronikos S All Purpose784.60.7647
Saronikos S Upwind903.60.6640
Saronikos S Downwind629.30.9534
Saronikos N All Purpose815.10.7361
Saronikos N Upwind945.80.6344
Saronikos N Downwind682.20.8795
Saronikos SW All Purpose791.30.7583
Saronikos SW Upwind934.60.6420
Saronikos SW Downwind633.00.9478
Saronikos NE All Purpose840.70.7137
Saronikos NE Upwind873.70.6867
Saronikos NE Downwind770.60.7786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose686.90.8735
5-Band All Purpose Low1079.70.5557
5-Band All Purpose L/M782.30.7670
5-Band All Purpose Med663.60.9042
5-Band All Purpose M/H596.81.0054
5-Band All Purpose High571.21.0504
Single Number Predominant Upwind725.70.8268
Single Number Predominant Reaching619.40.9687
Single Number Predominant Downwind660.10.9089
5-Band 50-50 Windward/Leeward Low1376.30.4360
5-Band 50-50 Windward/Leeward L/M975.40.6152
5-Band 50-50 Windward/Leeward Med808.10.7425
5-Band 50-50 Windward/Leeward M/H712.60.8420
5-Band 50-50 Windward/Leeward High683.60.8777
5-Band 60-40 Windward/Leeward Low1402.90.4277
5-Band 60-40 Windward/Leeward L/M997.80.6013
5-Band 60-40 Windward/Leeward Med829.80.7230
5-Band 60-40 Windward/Leeward M/H736.10.8151
5-Band 60-40 Windward/Leeward High712.50.8421
Triple Number 50-50 Windward/Leeward Low1215.00.4938
Triple Number 50-50 Windward/Leeward Med825.40.7269
Triple Number 50-50 Windward/Leeward High702.70.8539
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward853.10.7033
Triple Number 60-40 Windward/Leeward Low1239.50.4841
Triple Number 60-40 Windward/Leeward Med847.10.7083
Triple Number 60-40 Windward/Leeward High727.30.8250
Triple Number All-Purpose Low959.10.6256
Triple Number All-Purpose Med675.50.8882
Triple Number All-Purpose High588.91.0189
Triple Number Predominant Upwind Low1006.80.5960
Triple Number Predominant Upwind Med714.80.8394
Triple Number Predominant Upwind High635.10.9447
Triple Number Predominant Reaching Low849.30.7065
Triple Number Predominant Reaching Med620.50.9670
Triple Number Predominant Reaching High525.31.1422
Triple Number Predominant Downwind Low931.60.6441
Triple Number Predominant Downwind Med644.50.9309
Triple Number Predominant Downwind High540.01.1111
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low879.6
Triple Number Coastal/Long Distance Medium654.4
Triple Number Coastal/Long Distance High572.2
Triple Number Windward/Leeward Low1153.4
Triple Number Windward/Leeward Medium825.3
Triple Number Windward/Leeward High702.7
Predominantly Upwind726.3
Predominantly Downwind660.3
Predominantly Reaching629.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6821
Triple Number Coastal/Long Distance Medium0.9169
Triple Number Coastal/Long Distance High1.0486
Triple Number Windward/Leeward Low0.5202
Triple Number Windward/Leeward Medium0.7270
Triple Number Windward/Leeward High0.8539
Coastal/Long Distance0.8305
Predominantly Upwind0.8262
Predominantly Downwind0.9087
For information
General Purpose Handicap (GPH)746.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9108
Distanseseilas Trippeltall svak vind0.6821
Distanseseilas Trippeltall mellomvind0.9169
Distanseseilas Trippeltall sterk vind1.0486
Pølsebane Trippeltall svak vind0.5202
Pølsebane Trippeltall mellomvind0.7270
Pølsebane Trippeltall sterk vind0.8539
Motvind Singeltall0.8262
Medvind Singeltall0.9087
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Coastal/Long Distance722.50.8305
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind726.30.8262
Predominantly Downwind660.30.9087
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore679.60.8828
Cape Doctor Coastal548.01.0949
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6821
Triple Number Coastal/Long Distance Medium0.9169
Triple Number Coastal/Long Distance High1.0486
Triple Number Windward/Leeward Low0.5202
Triple Number Windward/Leeward Medium0.7270
Triple Number Windward/Leeward High0.8539
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6821
Triple Number Coastal/Long Distance Medium0.9169
Triple Number Coastal/Long Distance High1.0486
Triple Number Windward/Leeward Low0.5202
Triple Number Windward/Leeward Medium0.7270
Triple Number Windward/Leeward High0.8539
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Predominantly Upwind726.30.8262
Predominantly Downwind660.30.9087
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance722.50.8305
Triple Number Coastal/Long Distance Low879.60.6821
Triple Number Coastal/Long Distance Medium654.40.9169
Triple Number Coastal/Long Distance High572.21.0486
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium825.30.7270
Triple Number Windward/Leeward High702.70.8539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1893.91274.8951.2782.9679.3620.3579.9523.1509.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP686.90.8735 Predom. Dn High524.51.1440 5B AP M/H579.81.0349 TriNum AP Low879.70.6821 Predom. Rc Low942.70.6365 5B AP High555.61.0799 TriNum AP Med654.50.9168 Predom. Rc L/M694.00.8645 5B SF Bay Low1153.60.5201 TriNum AP High572.21.0486 Predom. Rc Med598.01.0033 5B SF Bay L/M931.70.6440 TriNum W/L Low1215.00.4938 Predom. Rc M/H544.11.1028 5B SF Bay Med779.40.7699 TriNum W/L Med825.30.7270 Predom. Rc High519.01.1561 5B SF Bay M/H692.20.8668 TriNum W/L Hig702.70.8539 5B W/L Low1376.30.4360 5B SF Bay High666.00.9009 Predom. Upwind765.30.7840 5B W/L L/M975.40.6152 ChiMac Up Low966.70.6207 Predom. Reaching649.70.9235 5B W/L Med808.10.7425 ChiMac Up Med853.90.7027 Predom. Downwind694.10.8644 5B W/L M/H712.60.8420 ChiMac Up High724.40.8283 Predom. Up Low1124.90.5334 5B W/L High683.60.8777 ChiMac Off Low891.40.6731 Predom. Up L/M819.30.7323 W/L 60-40 Low1402.90.4277 ChiMac Off Med779.10.7701 Predom. Up Med698.50.8590 W/L 60-40 L/M997.80.6013 ChiMac Off High647.40.9268 Predom. Up M/H634.60.9455 W/L 60-40 Med829.80.7230 ChiMac AP Low922.40.6505 Predom. Up High619.60.9684 W/L 60-40 M/H736.10.8151 ChiMac AP Med811.60.7393 Predom. Dn Low1050.50.5711 W/L 60-40 High712.50.8421 ChiMac AP High682.80.8787 Predom. Dn L/M753.90.7959 5B AP Low978.20.6133 BayMac Cove Island1077.50.5568 Predom. Dn Med633.60.9469 5B AP L/M755.80.7938 BayMac Shore1068.80.5614 Predom. Dn M/H561.81.0679 5B AP Med643.20.9328 Harvest Moon563.81.0641      SA/DSPL Up17.66SA/DSPL Dn32.10
ORC Ref  03420004S17 Issued on 03/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALEXGRE-1610
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 30 CLASSICMeasurement12/09/2012HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.030Maximum beam3.040Draft1.558Displacement3,509Wetted area18.50IMS L8.063LSM07.857Accomod. length9.030Sink (kg/mm) 14.28
VCGD0.062VCGM0.101 RM Rated (kg·m) 75.0Limit of positive stability(°) 111.9 Stability Index 111.0 BLR index 0.0000Default crew weight488 Declared crew weight 425
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.406PBWPIPA0.0167
EDLST1ST2
ST3ST4ST5
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P9.900IG11.580ISP11.685MDT10.118MDL10.187MDT2MDL2TLNo TaperMWGO
E3.700J3.340BAS1.435FSDFoilSFJSPLWPLTPS3.900BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/06/2024MeasurerGRE-103
SFFP0.787FFM1.137FF1.136LCFcl4.835SG1.0260
SAFP8.220FAM0.969FA0.974LCFsh5.070HBI1.019
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2PVC - (S)Fuel60406.000.101PVC - (C)Water20001.140.15Total deductible346.000.10
OTHER ITEMSIdKindDescriptionWeightLCGVCG4MiscellaneousBimini3MiscellaneousREFRIGERATOR203.650.151Battery2 pcs x 100Amh (P)6.350.052Engine (IC)(C)6.50Total deductible0
ORC Ref  03420004S17 Issued on 03/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALEXGRE-1610
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.761.372.373.1221.7412/04/2016
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.060.420.801.662.593.6211.10NoNo 19.2018/07/2019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment311.7210.6611.195.436.5383%52.6920/09/2007211.7010.7011.204.535.9776%44.9718/07/2019
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.0 mTable area0.44 m²Headroom1.62 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity60 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity30 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03420004S17 Issued on 03/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org