Double HandedClub Certificate2026
OLYMPIAGRE-1410
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 Angles48.1°46.0°44.4°43.4°42.6°42.3°42.5°44.3°48.0°
Beat VMG1.702.523.133.583.924.104.133.983.63
52°2.723.944.815.455.896.136.206.125.78
60°2.974.235.105.736.156.396.496.476.33
75°3.154.445.345.986.386.646.816.956.92
90°3.324.705.706.296.536.726.967.337.51
110°3.454.885.906.526.907.187.377.687.76
120°3.324.735.796.466.907.287.648.128.48
135°2.934.285.366.186.707.127.548.489.70
150°2.473.684.735.636.316.767.168.029.11
Run VMG2.143.184.104.895.586.136.567.288.10
Gybe Angles144.4°147.5°150.7°153.7°159.9°166.0°170.9°171.8°166.7°
APH ToD:663.1CDL: 6.557APH ToT: 0.9048CertNo:00227
BOAT
ClassDUFOUR 30 CLASSICDesignerJ & J DESIGNBuilderDUFOURAge date01/2000Series date01/1996Offset fileDU30CLAS.offData fileGR1410
HULL
Length Overall9.030Maximum Beam3.040Draft1.529Displacement3,100DLR7.0487IMS DivisionCruiser/RacerDynamic Allowance0.260%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.406m
CREW
Maximum weight170(declared)Minimum weight120 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.5020.81Headsail Luffed18.1618.16Headsail FlyingSymmetric62.9162.91Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.39Storm Jib6.71Heavy Weather Jib18.11
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 69.5 Stability Index 113.1
COMMENTS
Builder's displacement.
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  03420004HUH Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
OLYMPIAGRE-1410
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 VMG2115.01430.91151.61005.6917.9878.9872.7905.3992.3
52°1325.0912.9747.7660.9611.1587.2580.3588.6623.3
60°1211.1851.3705.2628.2585.2563.5554.7556.1568.9
75°1142.2810.8673.7602.5564.4542.2528.6518.0520.1
90°1083.1765.5631.8572.3551.4536.0517.6491.1479.3
110°1043.2737.6609.7552.2521.8501.2488.7468.6464.1
120°1085.1761.7622.3557.0521.7494.3471.4443.2424.5
135°1227.0840.4672.0582.2537.1505.8477.3424.7371.2
150°1459.3979.5760.7639.6570.8532.4503.1449.0395.4
Run VMG1685.11131.1878.0735.5644.8587.3549.0494.3444.7
Selected Courses
Windward / Leeward1900.01281.01014.8870.6781.3733.1710.8699.8718.5
All purpose1428.7979.4788.9689.8633.2601.9584.7569.9575.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward826.70.7258
All purpose663.10.9048
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5864
Downwind "popa"0.8367
70% up, 30% down "Ilhabela"0.6442
30% up, 70% down "Ilhabela-inverso"0.7417
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Predominantly Upwind739.20.8117
Predominantly Downwind651.40.9210
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP692.00.8671 Predom. Rc High526.01.1407 5B SF Bay L/M929.30.6456 TriNum AP Low884.20.6786 Predom. Dn Low1041.80.5759 5B SF Bay Med778.40.7709 TriNum AP Med657.30.9128 Predom. Dn L/M745.90.8044 5B SF Bay M/H703.80.8525 TriNum AP High583.41.0284 Predom. Dn Med624.70.9605 5B SF Bay High692.60.8662 TriNum W/L Low1208.70.4964 Predom. Dn M/H552.91.0852 5B AP Low981.80.6111 TriNum W/L Med818.40.7331 Predom. Dn High515.31.1644 5B AP L/M759.10.7904 TriNum W/L Hig712.30.8424 ChiMac Up Low978.80.6130 5B AP Med646.30.9283 Predom. Upwind780.90.7683 ChiMac Up Med867.20.6919 5B AP M/H589.21.0184 Predom. Reaching657.20.9129 ChiMac Up High742.50.8081 5B AP High573.31.0465 Predom. Downwind685.20.8757 ChiMac Off Low882.30.6800 5B W/L Low1369.20.4382 Predom. Up Low1138.30.5271 ChiMac Off Med769.80.7794 5B W/L L/M968.70.6194 Predom. Up L/M829.60.7232 ChiMac Off High638.20.9402 5B W/L Med801.80.7484 Predom. Up Med710.00.8451 ChiMac AP Low925.20.6485 5B W/L M/H718.60.8349 Predom. Up M/H656.40.9140 ChiMac AP Med814.80.7364 5B W/L High704.90.8511 Predom. Up High654.70.9164 ChiMac AP High688.00.8721 W/L 60-40 Low1401.80.4280 Predom. Rc Low953.50.6293 BayMac Cove Island1078.20.5565 W/L 60-40 L/M996.30.6022 Predom. Rc L/M700.60.8564 BayMac Shore1071.10.5602 W/L 60-40 Med829.80.7231 Predom. Rc Med604.70.9923 Harvest Moon563.81.0642 W/L 60-40 M/H751.50.7984 Predom. Rc M/H551.61.0878 5B SF Bay Low1153.10.5203 W/L 60-40 High746.90.8033      SA/DSPL Up18.12SA/DSPL Dn39.09
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance723.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating723.30.8295
FinRating, kevyt tuuli1345.00.7435
FinRating, kova tuuli576.00.8681
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8295
Triple Number Coastal/Long Distance Low0.6786
Triple Number Coastal/Long Distance Medium0.9129
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5227
Triple Number Windward/Leeward Medium0.7331
Triple Number Windward/Leeward High0.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
For information
General Purpose Handicap (GPH)750.9
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Saronikos S All Purpose786.30.7631
Saronikos S Upwind926.00.6479
Saronikos S Downwind606.20.9898
Saronikos N All Purpose831.40.7217
Saronikos N Upwind979.30.6127
Saronikos N Downwind668.90.8970
Saronikos SW All Purpose795.80.7540
Saronikos SW Upwind957.60.6266
Saronikos SW Downwind619.70.9682
Saronikos NE All Purpose856.50.7005
Saronikos NE Upwind905.80.6624
Saronikos NE Downwind761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose692.00.8671
5-Band All Purpose Low1083.90.5536
5-Band All Purpose L/M784.50.7648
5-Band All Purpose Med665.90.9011
5-Band All Purpose M/H604.00.9933
5-Band All Purpose High584.21.0270
Single Number Predominant Upwind738.50.8124
Single Number Predominant Reaching626.40.9578
Single Number Predominant Downwind651.60.9207
5-Band 50-50 Windward/Leeward Low1369.20.4382
5-Band 50-50 Windward/Leeward L/M968.70.6194
5-Band 50-50 Windward/Leeward Med801.80.7484
5-Band 50-50 Windward/Leeward M/H718.60.8349
5-Band 50-50 Windward/Leeward High704.90.8511
5-Band 60-40 Windward/Leeward Low1401.80.4280
5-Band 60-40 Windward/Leeward L/M996.30.6022
5-Band 60-40 Windward/Leeward Med829.80.7231
5-Band 60-40 Windward/Leeward M/H751.50.7984
5-Band 60-40 Windward/Leeward High746.90.8033
Triple Number 50-50 Windward/Leeward Low1208.70.4964
Triple Number 50-50 Windward/Leeward Med818.60.7330
Triple Number 50-50 Windward/Leeward High712.20.8424
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward855.70.7012
Triple Number 60-40 Windward/Leeward Low1238.80.4844
Triple Number 60-40 Windward/Leeward Med846.30.7090
Triple Number 60-40 Windward/Leeward High747.10.8031
Triple Number All-Purpose Low962.80.6232
Triple Number All-Purpose Med677.50.8857
Triple Number All-Purpose High597.31.0045
Triple Number Predominant Upwind Low1018.60.5890
Triple Number Predominant Upwind Med725.40.8271
Triple Number Predominant Upwind High663.80.9039
Triple Number Predominant Reaching Low858.00.6993
Triple Number Predominant Reaching Med626.70.9574
Triple Number Predominant Reaching High532.71.1264
Triple Number Predominant Downwind Low924.30.6491
Triple Number Predominant Downwind Med633.80.9466
Triple Number Predominant Downwind High526.61.1394
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low884.2
Triple Number Coastal/Long Distance Medium657.2
Triple Number Coastal/Long Distance High583.4
Triple Number Windward/Leeward Low1147.9
Triple Number Windward/Leeward Medium818.4
Triple Number Windward/Leeward High712.3
Predominantly Upwind739.2
Predominantly Downwind651.4
Predominantly Reaching631.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6786
Triple Number Coastal/Long Distance Medium0.9129
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5227
Triple Number Windward/Leeward Medium0.7331
Triple Number Windward/Leeward High0.8424
Coastal/Long Distance0.8295
Predominantly Upwind0.8117
Predominantly Downwind0.9210
For information
General Purpose Handicap (GPH)750.9
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9048
Distanseseilas Trippeltall svak vind0.6786
Distanseseilas Trippeltall mellomvind0.9129
Distanseseilas Trippeltall sterk vind1.0284
Pølsebane Trippeltall svak vind0.5227
Pølsebane Trippeltall mellomvind0.7331
Pølsebane Trippeltall sterk vind0.8424
Motvind Singeltall0.8117
Medvind Singeltall0.9210
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Coastal/Long Distance723.30.8295
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind739.20.8117
Predominantly Downwind651.40.9210
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore712.90.8416
Cape Doctor Coastal573.41.0463
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6786
Triple Number Coastal/Long Distance Medium0.9129
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5227
Triple Number Windward/Leeward Medium0.7331
Triple Number Windward/Leeward High0.8424
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6786
Triple Number Coastal/Long Distance Medium0.9129
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5227
Triple Number Windward/Leeward Medium0.7331
Triple Number Windward/Leeward High0.8424
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Predominantly Upwind739.20.8117
Predominantly Downwind651.40.9210
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance723.30.8295
Triple Number Coastal/Long Distance Low884.20.6786
Triple Number Coastal/Long Distance Medium657.20.9129
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1147.90.5227
Triple Number Windward/Leeward Medium818.40.7331
Triple Number Windward/Leeward High712.30.8424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1878.61266.0947.8779.6678.9625.1587.7532.9527.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP692.00.8671 Predom. Dn High515.31.1644 5B AP M/H589.21.0184 TriNum AP Low884.20.6786 Predom. Rc Low953.50.6293 5B AP High573.31.0465 TriNum AP Med657.30.9128 Predom. Rc L/M700.60.8564 5B SF Bay Low1153.10.5203 TriNum AP High583.41.0284 Predom. Rc Med604.70.9923 5B SF Bay L/M929.30.6456 TriNum W/L Low1208.70.4964 Predom. Rc M/H551.61.0878 5B SF Bay Med778.40.7709 TriNum W/L Med818.40.7331 Predom. Rc High526.01.1407 5B SF Bay M/H703.80.8525 TriNum W/L Hig712.30.8424 5B W/L Low1369.20.4382 5B SF Bay High692.60.8662 Predom. Upwind780.90.7683 5B W/L L/M968.70.6194 ChiMac Up Low978.80.6130 Predom. Reaching657.20.9129 5B W/L Med801.80.7484 ChiMac Up Med867.20.6919 Predom. Downwind685.20.8757 5B W/L M/H718.60.8349 ChiMac Up High742.50.8081 Predom. Up Low1138.30.5271 5B W/L High704.90.8511 ChiMac Off Low882.30.6800 Predom. Up L/M829.60.7232 W/L 60-40 Low1401.80.4280 ChiMac Off Med769.80.7794 Predom. Up Med710.00.8451 W/L 60-40 L/M996.30.6022 ChiMac Off High638.20.9402 Predom. Up M/H656.40.9140 W/L 60-40 Med829.80.7231 ChiMac AP Low925.20.6485 Predom. Up High654.70.9164 W/L 60-40 M/H751.50.7984 ChiMac AP Med814.80.7364 Predom. Dn Low1041.80.5759 W/L 60-40 High746.90.8033 ChiMac AP High688.00.8721 Predom. Dn L/M745.90.8044 5B AP Low981.80.6111 BayMac Cove Island1078.20.5565 Predom. Dn Med624.70.9605 5B AP L/M759.10.7904 BayMac Shore1071.10.5602 Predom. Dn M/H552.91.0852 5B AP Med646.30.9283 Harvest Moon563.81.0642      SA/DSPL Up18.12SA/DSPL Dn39.09
ORC Ref  03420004HUH Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
OLYMPIAGRE-1410
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 30 CLASSICMeasurement21/09/2009HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.030Maximum beam3.040Draft1.529Displacement3,100Wetted area17.66IMS L7.821LSM07.604Accomod. length9.030Sink (kg/mm) 13.66
VCGD0.043VCGM0.112 RM Rated (kg·m) 69.5Limit of positive stability(°) 115.9 Stability Index 113.1 BLR index 0.0000Default crew weight170 Declared crew weight 170
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
P9.830IG11.580ISP11.685MDT10.119MDL10.181MDT2MDL2TL0.000MWGO
E3.710J3.430BAS1.440FSD0.031SFJ0.000SPL3.780WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2013
SFFP0.787FFM1.159FF1.159LCFcl4.775SG1.0265
SAFP8.220FAM1.010FA1.010LCFsh5.011HBI1.042
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03420004HUH Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
OLYMPIAGRE-1410
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.701.252.172.9920.5004/03/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.070.400.771.662.653.6810.40NoNo 18.1611/11/2017
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.4911.4911.496.606.4562.9115/03/2012
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  03420004HUH Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org