Double HandedClub Certificate2026
PHAEDRAGRE-1634
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°45.7°43.8°43.0°42.7°42.6°42.7°44.3°47.8°
Beat VMG1.772.593.203.623.914.064.103.973.67
52°2.824.054.905.495.876.086.166.105.81
60°3.084.335.185.766.126.326.436.436.32
75°3.254.535.405.996.346.566.716.866.85
90°3.394.785.766.346.646.786.897.157.36
110°3.484.955.966.516.867.167.447.787.99
120°3.354.775.836.456.827.167.508.148.49
135°2.924.265.346.146.616.957.318.078.86
150°2.433.614.625.476.126.536.837.438.11
Run VMG2.103.134.004.745.305.736.096.667.16
Gybe Angles141.5°144.9°147.0°147.7°151.2°157.0°161.2°179.8°179.8°
APH ToD:668.3CDL: 6.508APH ToT: 0.8978CertNo:02185
BOAT
ClassGIBSEA 312 (SK)DesignerHUMPHREYSBuilderGIBSEAAge date01/1992Series date01/1991Offset filehc13401.offData fileGR1634
HULL
Length Overall9.080Maximum Beam3.300Draft1.378Displacement3,500DLR8.1886IMS DivisionCruiser/RacerDynamic Allowance0.400%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationShaft exposedTypeSolid 2 bladesDiameter0.350m
CREW
Maximum weight170(default)Minimum weight120 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.3918.77Headsail Luffed20.1820.18Headsail FlyingSymmetricAsymmetric58.0958.09 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail5.26Storm Jib6.54Heavy Weather Jib17.66
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 61.1 Stability Index 113.5
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  03420004HUK Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
PHAEDRAGRE-1634
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 VMG2036.61387.51124.6993.3920.9886.3878.4905.8982.2
52°1276.4888.1734.8655.9613.0592.2584.6590.2619.2
60°1169.8831.0695.3625.0588.1569.4560.1559.7569.8
75°1108.7794.8666.3601.0567.7548.8536.8524.8525.5
90°1061.4752.6624.6567.9542.4531.2522.7503.4489.0
110°1033.0728.0604.5552.6524.8503.0484.1462.6450.4
120°1074.0754.5617.4558.5527.7503.0479.9442.1423.8
135°1233.4845.8674.6586.3544.9517.7492.7445.9406.3
150°1481.8997.1779.6657.6588.5551.6527.3484.5443.8
Run VMG1711.01151.3900.2759.3678.9628.3591.2540.7502.8
Selected Courses
Windward / Leeward1873.81269.41012.4876.3799.9757.3734.8723.2742.5
All purpose1404.6967.3783.6690.5640.8612.6596.1582.1586.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward841.00.7134
All purpose668.30.8978
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5918
Downwind "popa"0.8000
70% up, 30% down "Ilhabela"0.6419
30% up, 70% down "Ilhabela-inverso"0.7236
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Predominantly Upwind739.20.8117
Predominantly Downwind662.80.9053
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP699.10.8583 Predom. Rc High540.41.1104 5B SF Bay L/M927.80.6467 TriNum AP Low875.40.6854 Predom. Dn Low1041.60.5760 5B SF Bay Med789.60.7599 TriNum AP Med662.30.9059 Predom. Dn L/M751.30.7986 5B SF Bay M/H721.80.8313 TriNum AP High595.01.0084 Predom. Dn Med637.00.9419 5B SF Bay High710.90.8440 TriNum W/L Low1200.60.4998 Predom. Dn M/H572.81.0475 5B AP Low971.70.6174 TriNum W/L Med832.40.7208 Predom. Dn High539.91.1113 5B AP L/M756.80.7928 TriNum W/L Hig736.10.8151 ChiMac Up Low963.80.6226 5B AP Med652.50.9195 Predom. Upwind779.10.7701 ChiMac Up Med859.70.6979 5B AP M/H600.30.9995 Predom. Reaching659.20.9102 ChiMac Up High743.00.8075 5B AP High585.41.0250 Predom. Downwind697.10.8607 ChiMac Off Low886.50.6768 5B W/L Low1356.30.4424 Predom. Up Low1113.80.5387 ChiMac Off Med778.30.7709 5B W/L L/M970.90.6180 Predom. Up L/M821.30.7306 ChiMac Off High652.30.9198 5B W/L Med817.70.7337 Predom. Up Med712.30.8424 ChiMac AP Low919.60.6524 5B W/L M/H742.10.8085 Predom. Up M/H664.80.9025 ChiMac AP Med815.00.7362 5B W/L High728.60.8235 Predom. Up High662.90.9052 ChiMac AP High695.00.8633 W/L 60-40 Low1381.80.4342 Predom. Rc Low942.60.6366 BayMac Cove Island1071.50.5600 W/L 60-40 L/M994.10.6035 Predom. Rc L/M697.60.8601 BayMac Shore1063.70.5641 W/L 60-40 Med842.30.7123 Predom. Rc Med607.20.9881 Harvest Moon571.81.0492 W/L 60-40 M/H771.30.7779 Predom. Rc M/H561.51.0685 5B SF Bay Low1139.00.5268 W/L 60-40 High765.70.7836      SA/DSPL Up16.66SA/DSPL Dn33.04
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance730.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating730.50.8213
FinRating, kevyt tuuli1331.70.7509
FinRating, kova tuuli588.50.8496
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8213
Triple Number Coastal/Long Distance Low0.6854
Triple Number Coastal/Long Distance Medium0.9060
Triple Number Coastal/Long Distance High1.0084
Triple Number Windward/Leeward Low0.5259
Triple Number Windward/Leeward Medium0.7208
Triple Number Windward/Leeward High0.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
For information
General Purpose Handicap (GPH)753.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Saronikos S All Purpose790.10.7594
Saronikos S Upwind912.70.6574
Saronikos S Downwind627.70.9559
Saronikos N All Purpose827.80.7248
Saronikos N Upwind962.00.6237
Saronikos N Downwind677.20.8861
Saronikos SW All Purpose793.10.7565
Saronikos SW Upwind939.20.6388
Saronikos SW Downwind630.60.9515
Saronikos NE All Purpose850.00.7059
Saronikos NE Upwind890.90.6735
Saronikos NE Downwind763.60.7858
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose699.10.8583
5-Band All Purpose Low1071.40.5600
5-Band All Purpose L/M782.80.7664
5-Band All Purpose Med672.70.8919
5-Band All Purpose M/H617.90.9711
5-Band All Purpose High600.60.9991
Single Number Predominant Upwind738.40.8125
Single Number Predominant Reaching628.20.9550
Single Number Predominant Downwind663.00.9049
5-Band 50-50 Windward/Leeward Low1356.30.4424
5-Band 50-50 Windward/Leeward L/M970.90.6180
5-Band 50-50 Windward/Leeward Med817.70.7337
5-Band 50-50 Windward/Leeward M/H742.10.8085
5-Band 50-50 Windward/Leeward High728.60.8235
5-Band 60-40 Windward/Leeward Low1381.80.4342
5-Band 60-40 Windward/Leeward L/M994.10.6035
5-Band 60-40 Windward/Leeward Med842.30.7123
5-Band 60-40 Windward/Leeward M/H771.30.7779
5-Band 60-40 Windward/Leeward High765.70.7836
Triple Number 50-50 Windward/Leeward Low1200.60.4998
Triple Number 50-50 Windward/Leeward Med832.50.7207
Triple Number 50-50 Windward/Leeward High736.10.8151
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward866.30.6926
Triple Number 60-40 Windward/Leeward Low1224.70.4899
Triple Number 60-40 Windward/Leeward Med856.70.7003
Triple Number 60-40 Windward/Leeward High767.00.7823
Triple Number All-Purpose Low954.00.6289
Triple Number All-Purpose Med683.00.8784
Triple Number All-Purpose High612.00.9805
Triple Number Predominant Upwind Low1000.70.5996
Triple Number Predominant Upwind Med725.90.8266
Triple Number Predominant Upwind High670.90.8944
Triple Number Predominant Reaching Low849.80.7061
Triple Number Predominant Reaching Med628.60.9545
Triple Number Predominant Reaching High542.81.1053
Triple Number Predominant Downwind Low925.00.6486
Triple Number Predominant Downwind Med646.20.9284
Triple Number Predominant Downwind High549.11.0926
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low875.4
Triple Number Coastal/Long Distance Medium662.3
Triple Number Coastal/Long Distance High595.0
Triple Number Windward/Leeward Low1140.9
Triple Number Windward/Leeward Medium832.4
Triple Number Windward/Leeward High736.1
Predominantly Upwind739.2
Predominantly Downwind662.8
Predominantly Reaching635.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6854
Triple Number Coastal/Long Distance Medium0.9060
Triple Number Coastal/Long Distance High1.0084
Triple Number Windward/Leeward Low0.5259
Triple Number Windward/Leeward Medium0.7208
Triple Number Windward/Leeward High0.8151
Coastal/Long Distance0.8213
Predominantly Upwind0.8117
Predominantly Downwind0.9053
For information
General Purpose Handicap (GPH)753.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8978
Distanseseilas Trippeltall svak vind0.6854
Distanseseilas Trippeltall mellomvind0.9060
Distanseseilas Trippeltall sterk vind1.0084
Pølsebane Trippeltall svak vind0.5259
Pølsebane Trippeltall mellomvind0.7208
Pølsebane Trippeltall sterk vind0.8151
Motvind Singeltall0.8117
Medvind Singeltall0.9053
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Coastal/Long Distance730.50.8213
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind739.20.8117
Predominantly Downwind662.80.9053
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore736.70.8144
Cape Doctor Coastal585.41.0249
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6854
Triple Number Coastal/Long Distance Medium0.9060
Triple Number Coastal/Long Distance High1.0084
Triple Number Windward/Leeward Low0.5259
Triple Number Windward/Leeward Medium0.7208
Triple Number Windward/Leeward High0.8151
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6854
Triple Number Coastal/Long Distance Medium0.9060
Triple Number Coastal/Long Distance High1.0084
Triple Number Windward/Leeward Low0.5259
Triple Number Windward/Leeward Medium0.7208
Triple Number Windward/Leeward High0.8151
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Predominantly Upwind739.20.8117
Predominantly Downwind662.80.9053
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance730.50.8213
Triple Number Coastal/Long Distance Low875.40.6854
Triple Number Coastal/Long Distance Medium662.30.9060
Triple Number Coastal/Long Distance High595.01.0084
Triple Number Windward/Leeward Low1140.90.5259
Triple Number Windward/Leeward Medium832.40.7208
Triple Number Windward/Leeward High736.10.8151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1857.51257.6945.8783.2688.0636.9600.3544.2539.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP699.10.8583 Predom. Dn High539.91.1113 5B AP M/H600.30.9995 TriNum AP Low875.40.6854 Predom. Rc Low942.60.6366 5B AP High585.41.0250 TriNum AP Med662.30.9059 Predom. Rc L/M697.60.8601 5B SF Bay Low1139.00.5268 TriNum AP High595.01.0084 Predom. Rc Med607.20.9881 5B SF Bay L/M927.80.6467 TriNum W/L Low1200.60.4998 Predom. Rc M/H561.51.0685 5B SF Bay Med789.60.7599 TriNum W/L Med832.40.7208 Predom. Rc High540.41.1104 5B SF Bay M/H721.80.8313 TriNum W/L Hig736.10.8151 5B W/L Low1356.30.4424 5B SF Bay High710.90.8440 Predom. Upwind779.10.7701 5B W/L L/M970.90.6180 ChiMac Up Low963.80.6226 Predom. Reaching659.20.9102 5B W/L Med817.70.7337 ChiMac Up Med859.70.6979 Predom. Downwind697.10.8607 5B W/L M/H742.10.8085 ChiMac Up High743.00.8075 Predom. Up Low1113.80.5387 5B W/L High728.60.8235 ChiMac Off Low886.50.6768 Predom. Up L/M821.30.7306 W/L 60-40 Low1381.80.4342 ChiMac Off Med778.30.7709 Predom. Up Med712.30.8424 W/L 60-40 L/M994.10.6035 ChiMac Off High652.30.9198 Predom. Up M/H664.80.9025 W/L 60-40 Med842.30.7123 ChiMac AP Low919.60.6524 Predom. Up High662.90.9052 W/L 60-40 M/H771.30.7779 ChiMac AP Med815.00.7362 Predom. Dn Low1041.60.5760 W/L 60-40 High765.70.7836 ChiMac AP High695.00.8633 Predom. Dn L/M751.30.7986 5B AP Low971.70.6174 BayMac Cove Island1071.50.5600 Predom. Dn Med637.00.9419 5B AP L/M756.80.7928 BayMac Shore1063.70.5641 Predom. Dn M/H572.81.0475 5B AP Med652.50.9195 Harvest Moon571.81.0492      SA/DSPL Up16.66SA/DSPL Dn33.04
ORC Ref  03420004HUK Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
PHAEDRAGRE-1634
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGIBSEA 312 (SK)Measurement21/05/2013HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.080Maximum beam3.300Draft1.378Displacement3,500Wetted area17.82IMS L7.757LSM07.532Accomod. length9.080Sink (kg/mm) 13.22
VCGD-0.038VCGM0.082 RM Rated (kg·m) 61.1Limit of positive stability(°) 117.8 Stability Index 113.5 BLR index 0.0000Default crew weight170 Declared crew weight 400
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.350PBWPIPA0.0128
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P9.530IG11.436ISP11.416MDT10.105MDL10.163MDT2MDL2TLNo TaperMWGO
E3.150J3.550BAS1.476FSDFoilSFJSPL3.670WPLTPS3.570BD0.118MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2013
SFFP0.495FFM1.224FF1.224LCFcl5.038SG1.0268
SAFP8.439FAM0.921FA0.921LCFsh5.290HBI1.081
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03420004HUK Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
PHAEDRAGRE-1634
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.681.252.122.7118.3930/09/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.090.520.961.862.793.6710.80YesNo 20.1830/09/2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment112.0311.3011.675.886.3692%58.0931/05/2013
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.1 mTable area0.44 m²Headroom1.63 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity62 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity32 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03420004HUK Issued on 17/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org