Double HandedClub Certificate2026
NAFTILOSGRE-1699
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 Angles47.3°44.4°42.0°41.3°41.5°41.4°41.3°41.8°42.7°
Beat VMG2.022.913.533.934.174.284.344.354.28
52°3.214.475.285.836.136.276.346.396.37
60°3.474.715.526.056.326.486.556.626.62
75°3.654.885.716.226.516.686.806.937.00
90°3.554.805.666.236.556.776.937.197.38
110°3.504.895.886.466.787.007.147.397.44
120°3.374.755.786.426.797.067.337.707.92
135°2.994.315.356.186.646.967.267.888.34
150°2.493.704.725.626.296.696.997.598.17
Run VMG2.153.204.104.885.586.106.507.077.62
Gybe Angles144.2°147.5°151.4°152.8°159.7°166.4°174.1°178.1°176.8°
APH ToD:644.5CDL: 7.126APH ToT: 0.9310CertNo:01356
BOAT
ClassDUNCANSON 34DesignerBLACKBURNBuilderDUNCANSONAge date01/1979Series date01/1972Offset fileDUNCAN34.OFFData fileGR1699
HULL
Length Overall10.120 mMaximum Beam3.272 mDraft1.757 mDisplacement6,059 kgDLR10.7979IMS DivisionCruiser/RacerDynamic Allowance0.640%Age Allowance0.650%RS Assessment-0.152%
PROPELLER
InstallationShaft exposedTypeSolid 3 bladesDiameter0.380m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.8424.08Headsail Luffed38.4038.40Headsail FlyingSymmetric84.4984.49Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail7.37Storm Jib8.56Heavy Weather Jib23.10
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 96.8 kg·m Stability Index 121.4
COMMENTS
IRC endorsed weight.
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  03420004LIC Issued on 15/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
NAFTILOSGRE-1699
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 VMG1777.91237.81020.8915.3863.6841.4829.9827.6841.4
52°1121.2805.8681.8617.1587.5573.8567.6563.6565.5
60°1036.4763.9651.9595.0569.3555.9549.3544.1543.4
75°985.3737.9630.5578.4553.4539.0529.3519.3514.4
90°1015.0749.6635.7577.9549.4532.0519.3500.5487.7
110°1029.8736.2612.1557.5531.2514.2504.0487.5483.8
120°1067.2757.5623.3560.6530.4509.6491.3467.7454.8
135°1203.4834.9673.2582.8542.1517.3496.0456.9431.6
150°1447.3974.2762.0641.0572.3538.1515.1474.1440.4
Run VMG1671.21124.9878.9738.4645.6590.1554.0509.3472.2
Selected Courses
Windward / Leeward1724.61181.3949.8826.8754.6715.7692.0668.4656.8
All purpose1302.3913.9749.4664.4619.4595.4580.0561.2552.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward791.60.7580
All purpose644.50.9310
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6426
Downwind "popa"0.8332
70% up, 30% down "Ilhabela"0.6899
30% up, 70% down "Ilhabela-inverso"0.7651
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Predominantly Upwind704.60.8515
Predominantly Downwind644.10.9316
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP671.30.8938 Predom. Rc High528.11.1361 5B SF Bay L/M872.20.6879 TriNum AP Low831.60.7215 Predom. Dn Low1002.90.5982 5B SF Bay Med748.40.8017 TriNum AP Med639.30.9385 Predom. Dn L/M730.80.8210 5B SF Bay M/H684.50.8766 TriNum AP High576.81.0402 Predom. Dn Med619.20.9690 5B SF Bay High660.90.9079 TriNum W/L Low1119.20.5361 Predom. Dn M/H555.71.0796 5B AP Low924.30.6492 TriNum W/L Med785.20.7641 Predom. Dn High523.31.1465 5B AP L/M724.50.8282 TriNum W/L Hig689.10.8707 ChiMac Up Low895.80.6698 5B AP Med630.40.9518 Predom. Upwind736.00.8152 ChiMac Up Med806.30.7442 5B AP M/H582.71.0296 Predom. Reaching642.70.9335 ChiMac Up High703.70.8526 5B AP High562.81.0660 Predom. Downwind675.70.8880 ChiMac Off Low856.50.7005 5B W/L Low1259.30.4765 Predom. Up Low1023.80.5860 ChiMac Off Med753.20.7966 5B W/L L/M911.70.6581 Predom. Up L/M773.50.7757 ChiMac Off High633.00.9478 5B W/L Med771.20.7780 Predom. Up Med681.10.8809 ChiMac AP Low872.50.6877 5B W/L M/H697.30.8605 Predom. Up M/H638.20.9401 ChiMac AP Med777.20.7720 5B W/L High670.50.8949 Predom. Up High624.30.9611 ChiMac AP High666.80.8998 W/L 60-40 Low1271.10.4720 Predom. Rc Low902.60.6647 BayMac Cove Island1006.50.5961 W/L 60-40 L/M927.90.6466 Predom. Rc L/M681.50.8805 BayMac Shore999.10.6005 W/L 60-40 Med792.70.7569 Predom. Rc Med596.41.0060 Harvest Moon563.51.0648 W/L 60-40 M/H724.70.8280 Predom. Rc M/H551.11.0887 5B SF Bay Low1061.10.5654 W/L 60-40 High702.50.8541      SA/DSPL Up18.62SA/DSPL Dn32.40
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance700.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating700.40.8567
FinRating, kevyt tuuli1241.60.8054
FinRating, kova tuuli565.90.8835
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8567
Triple Number Coastal/Long Distance Low0.7215
Triple Number Coastal/Long Distance Medium0.9386
Triple Number Coastal/Long Distance High1.0402
Triple Number Windward/Leeward Low0.5631
Triple Number Windward/Leeward Medium0.7641
Triple Number Windward/Leeward High0.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
For information
General Purpose Handicap (GPH)723.9
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Saronikos S All Purpose742.30.8083
Saronikos S Upwind846.60.7087
Saronikos S Downwind614.30.9768
Saronikos N All Purpose780.00.7692
Saronikos N Upwind885.80.6773
Saronikos N Downwind670.90.8943
Saronikos SW All Purpose750.60.7994
Saronikos SW Upwind869.70.6899
Saronikos SW Downwind628.70.9544
Saronikos NE All Purpose808.50.7421
Saronikos NE Upwind828.90.7238
Saronikos NE Downwind761.20.7882
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose671.30.8938
5-Band All Purpose Low1009.30.5945
5-Band All Purpose L/M750.40.7996
5-Band All Purpose Med649.30.9241
5-Band All Purpose M/H596.41.0061
5-Band All Purpose High573.31.0466
Single Number Predominant Upwind703.30.8531
Single Number Predominant Reaching616.40.9734
Single Number Predominant Downwind644.70.9306
5-Band 50-50 Windward/Leeward Low1259.30.4765
5-Band 50-50 Windward/Leeward L/M911.70.6581
5-Band 50-50 Windward/Leeward Med771.20.7780
5-Band 50-50 Windward/Leeward M/H697.30.8605
5-Band 50-50 Windward/Leeward High670.50.8949
5-Band 60-40 Windward/Leeward Low1271.10.4720
5-Band 60-40 Windward/Leeward L/M927.90.6466
5-Band 60-40 Windward/Leeward Med792.70.7569
5-Band 60-40 Windward/Leeward M/H724.70.8280
5-Band 60-40 Windward/Leeward High702.50.8541
Triple Number 50-50 Windward/Leeward Low1119.20.5361
Triple Number 50-50 Windward/Leeward Med785.30.7640
Triple Number 50-50 Windward/Leeward High689.10.8707
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward813.00.7380
Triple Number 60-40 Windward/Leeward Low1132.10.5300
Triple Number 60-40 Windward/Leeward Med806.00.7445
Triple Number 60-40 Windward/Leeward High717.60.8361
Triple Number All-Purpose Low904.50.6633
Triple Number All-Purpose Med659.00.9105
Triple Number All-Purpose High589.61.0177
Triple Number Predominant Upwind Low929.20.6457
Triple Number Predominant Upwind Med692.70.8662
Triple Number Predominant Upwind High641.40.9355
Triple Number Predominant Reaching Low818.20.7333
Triple Number Predominant Reaching Med614.90.9758
Triple Number Predominant Reaching High534.51.1224
Triple Number Predominant Downwind Low893.30.6717
Triple Number Predominant Downwind Med629.40.9534
Triple Number Predominant Downwind High533.81.1240
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low831.6
Triple Number Coastal/Long Distance Medium639.2
Triple Number Coastal/Long Distance High576.8
Triple Number Windward/Leeward Low1065.5
Triple Number Windward/Leeward Medium785.2
Triple Number Windward/Leeward High689.1
Predominantly Upwind704.6
Predominantly Downwind644.1
Predominantly Reaching623.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7215
Triple Number Coastal/Long Distance Medium0.9386
Triple Number Coastal/Long Distance High1.0402
Triple Number Windward/Leeward Low0.5631
Triple Number Windward/Leeward Medium0.7641
Triple Number Windward/Leeward High0.8707
Coastal/Long Distance0.8567
Predominantly Upwind0.8515
Predominantly Downwind0.9316
For information
General Purpose Handicap (GPH)723.9
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9310
Distanseseilas Trippeltall svak vind0.7215
Distanseseilas Trippeltall mellomvind0.9386
Distanseseilas Trippeltall sterk vind1.0402
Pølsebane Trippeltall svak vind0.5631
Pølsebane Trippeltall mellomvind0.7641
Pølsebane Trippeltall sterk vind0.8707
Motvind Singeltall0.8515
Medvind Singeltall0.9316
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Coastal/Long Distance700.40.8567
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind704.60.8515
Predominantly Downwind644.10.9316
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore660.30.9087
Cape Doctor Coastal554.71.0816
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7215
Triple Number Coastal/Long Distance Medium0.9386
Triple Number Coastal/Long Distance High1.0402
Triple Number Windward/Leeward Low0.5631
Triple Number Windward/Leeward Medium0.7641
Triple Number Windward/Leeward High0.8707
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7215
Triple Number Coastal/Long Distance Medium0.9386
Triple Number Coastal/Long Distance High1.0402
Triple Number Windward/Leeward Low0.5631
Triple Number Windward/Leeward Medium0.7641
Triple Number Windward/Leeward High0.8707
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Predominantly Upwind704.60.8515
Predominantly Downwind644.10.9316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance700.40.8567
Triple Number Coastal/Long Distance Low831.60.7215
Triple Number Coastal/Long Distance Medium639.20.9386
Triple Number Coastal/Long Distance High576.81.0402
Triple Number Windward/Leeward Low1065.50.5631
Triple Number Windward/Leeward Medium785.20.7641
Triple Number Windward/Leeward High689.10.8707
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21175.7893.5746.4661.7617.8584.7534.2522.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP671.30.8938 Predom. Dn High523.31.1465 5B AP M/H582.71.0296 TriNum AP Low831.60.7215 Predom. Rc Low902.60.6647 5B AP High562.81.0660 TriNum AP Med639.30.9385 Predom. Rc L/M681.50.8805 5B SF Bay Low1061.10.5654 TriNum AP High576.81.0402 Predom. Rc Med596.41.0060 5B SF Bay L/M872.20.6879 TriNum W/L Low1119.20.5361 Predom. Rc M/H551.11.0887 5B SF Bay Med748.40.8017 TriNum W/L Med785.20.7641 Predom. Rc High528.11.1361 5B SF Bay M/H684.50.8766 TriNum W/L Hig689.10.8707 5B W/L Low1259.30.4765 5B SF Bay High660.90.9079 Predom. Upwind736.00.8152 5B W/L L/M911.70.6581 ChiMac Up Low895.80.6698 Predom. Reaching642.70.9335 5B W/L Med771.20.7780 ChiMac Up Med806.30.7442 Predom. Downwind675.70.8880 5B W/L M/H697.30.8605 ChiMac Up High703.70.8526 Predom. Up Low1023.80.5860 5B W/L High670.50.8949 ChiMac Off Low856.50.7005 Predom. Up L/M773.50.7757 W/L 60-40 Low1271.10.4720 ChiMac Off Med753.20.7966 Predom. Up Med681.10.8809 W/L 60-40 L/M927.90.6466 ChiMac Off High633.00.9478 Predom. Up M/H638.20.9401 W/L 60-40 Med792.70.7569 ChiMac AP Low872.50.6877 Predom. Up High624.30.9611 W/L 60-40 M/H724.70.8280 ChiMac AP Med777.20.7720 Predom. Dn Low1002.90.5982 W/L 60-40 High702.50.8541 ChiMac AP High666.80.8998 Predom. Dn L/M730.80.8210 5B AP Low924.30.6492 BayMac Cove Island1006.50.5961 Predom. Dn Med619.20.9690 5B AP L/M724.50.8282 BayMac Shore999.10.6005 Predom. Dn M/H555.71.0796 5B AP Med630.40.9518 Harvest Moon563.51.0648      SA/DSPL Up18.62SA/DSPL Dn32.40
ORC Ref  03420004LIC Issued on 15/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
NAFTILOSGRE-1699
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUNCANSON 34Measurement07/09/2019HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.120Maximum beam3.272Draft1.757Displacement6,059Wetted area22.73IMS L8.272LSM08.247Accomod. length10.120Sink (kg/mm) 15.68
VCGD0.049VCGM0.014 RM Rated (kg·m) 96.8Limit of positive stability(°) 116.9 Stability Index 121.4 BLR index 0.0000Default crew weight170 Declared crew weight 554
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0180
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.020IG13.080ISP12.900MDT10.126MDL10.191MDT2MDL2TLNo TaperMWGO
E3.500J4.250BAS0.930FSDNo FoilSFJ0.230SPL4.345WPLTPSBD0.124MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date12/06/2014MeasurerGRE-21CommentAPPROX. RECORDING
SFFP1.385FFM0.957FF0.957LCFcl5.733SG1.0252
SAFP9.492FAM0.968FA0.968LCFsh5.939HBI0.918
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FUEL PVC hard AFT PORTFuel602WATER PVC hardWater603WATER GRP FORWARD COMPARTMENT 2x65LWater130Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousANCHOR WINDLASS ~20kg2MiscellaneousSTERN LADDER3MiscellaneousSPRAYHOOD1Battery3 batteries1Engine (IC)VENTUS M3.09A-A (123kg w/ gear box)Total deductible
ORC Ref  03420004LIC Issued on 15/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
NAFTILOSGRE-1699
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.701.252.112.7523.8416/06/2014
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.701.412.914.536.3312.70NoNo 38.4009/06/201425.0712.03NoNo 31.0407/09/2019
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment113.6513.6513.657.417.5084.4907/09/2019(GRE-4077)
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.1 mTable area0.44 m²Headroom1.71 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity82 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity52 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03420004LIC Issued on 15/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org