One DesignInternational Certificate2026
X-79 ONE DESIGNMNA-1234
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 Angles45.9°43.1°40.9°38.6°37.6°37.4°37.7°38.6°41.1°
Beat VMG2.333.263.924.354.504.554.574.544.38
52°3.654.945.726.106.256.316.366.406.36
60°3.925.185.896.236.416.506.566.656.65
75°4.115.335.996.356.626.826.947.137.22
90°4.005.246.036.426.697.007.287.687.91
110°3.825.266.096.587.017.407.718.218.74
120°3.685.085.976.496.987.498.028.979.94
135°3.214.565.536.216.677.177.729.3712.04
150°2.643.824.875.716.296.727.188.2810.76
Run VMG2.293.314.224.995.666.146.537.399.32
Gybe Angles136.4°146.6°151.4°157.3°164.7°171.8°172.1°165.6°142.1°
APH ToD:616.4CDL: 6.807APH ToT: 0.9734CertNo:X79
BOAT
ClassX-79 ODDesignerJEPPESENBuilderX-YACHTSAge dateSeries date01/1979Offset filex79.OD.OFFData filex79
HULL
Length Overall7.927Maximum Beam2.860Draft1.358Displacement1,552DLR7.2438IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.381%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight352(declared)Minimum weight222 ✱ when appliedCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail20.8821.30Headsail Luffed18.8318.83Headsail FlyingSymmetric48.8248.82Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.13Storm Jib4.25Heavy Weather Jib11.46
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 31.7 Stability Index 95.2
COMMENTS
ONE-DESIGN CERTIFICATE
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  02920004836 Issued on 02/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
One DesignInternational Certificate2026
X-79 ONE DESIGNMNA-1234
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 VMG1546.71104.9919.1828.2799.6790.6787.8793.2822.6
52°986.8729.1629.3590.6576.1570.1566.2562.6566.2
60°918.8694.3611.2578.0561.3553.7548.4541.4541.4
75°876.2675.4600.9566.9544.2528.2518.8504.9498.7
90°899.5687.0597.0561.0538.4514.0494.2469.0454.9
110°942.2685.0590.7547.4513.4486.6467.2438.4412.0
120°978.0708.2603.2555.0515.9480.4448.7401.3362.1
135°1121.5789.4650.5579.6539.4502.1466.4384.2299.0
150°1364.0941.8740.0630.1572.4535.5501.1434.5334.6
Run VMG1575.01087.5853.4721.8635.9586.8551.6487.5386.4
Selected Courses
Windward / Leeward1560.91096.2886.3775.0717.7688.7669.7640.3604.5
All purpose1175.1844.7704.3635.0598.5575.2557.3528.2500.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward750.50.7995
All purpose616.40.9734
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6973
Downwind "popa"0.8529
70% up, 30% down "Ilhabela"0.7377
30% up, 70% down "Ilhabela-inverso"0.7994
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Predominantly Upwind668.50.8975
Predominantly Downwind622.40.9641
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP639.80.9378 Predom. Dn High480.81.2478 5B AP High528.41.1356 TriNum AP Low774.50.7747 Predom. Rc Low831.20.7219 5B SF Bay Low979.20.6128 TriNum AP Med613.70.9776 Predom. Rc L/M648.60.9251 5B SF Bay L/M814.50.7367 TriNum AP High550.91.0892 Predom. Rc Med578.71.0369 5B SF Bay Med710.20.8448 TriNum W/L Low1037.10.5786 Predom. Rc M/H528.61.1351 5B SF Bay M/H655.30.9156 TriNum W/L Med743.60.8069 Predom. Rc High490.11.2241 5B SF Bay High623.60.9621 TriNum W/L Hig663.40.9044 5B W/L Low1159.90.5173 ChiMac Up Low822.90.7291 Predom. Upwind693.50.8651 5B W/L L/M853.10.7033 ChiMac Up Med750.30.7997 Predom. Reaching611.80.9807 5B W/L Med732.40.8192 ChiMac Up High666.00.9009 Predom. Downwind646.70.9277 5B W/L M/H671.90.8929 ChiMac AP Low813.60.7374 Predom. Up Low927.20.6471 5B W/L High639.20.9387 ChiMac AP Med732.10.8195 Predom. Up L/M720.90.8322 W/L 60-40 Low1161.70.5165 ChiMac AP High634.60.9455 Predom. Up Med650.10.9229 W/L 60-40 L/M861.80.6962 ChiMac Off Low811.80.7391 Predom. Up M/H615.60.9746 W/L 60-40 Med748.30.8018 ChiMac Off Med719.20.8343 Predom. Up High598.21.0030 W/L 60-40 M/H695.60.8626 ChiMac Off High606.40.9895 Predom. Dn Low938.80.6391 W/L 60-40 High670.80.8944 BayMac Cove Island931.30.6443 Predom. Dn L/M701.60.8552 5B AP Low855.20.7016 BayMac Shore923.50.6497 Predom. Dn Med603.30.9945 5B AP Med606.00.9901 Harvest Moon538.81.1136 Predom. Dn M/H535.31.1208 5B AP M/H558.91.0735 SA/DSPL Up29.59SA/DSPL Dn51.93     
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance667.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating667.80.8985
FinRating, kevyt tuuli1141.10.8763
FinRating, kova tuuli528.00.9470
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8985
Triple Number Coastal/Long Distance Low0.7747
Triple Number Coastal/Long Distance Medium0.9777
Triple Number Coastal/Long Distance High1.0892
Triple Number Windward/Leeward Low0.6053
Triple Number Windward/Leeward Medium0.8069
Triple Number Windward/Leeward High0.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
For information
General Purpose Handicap (GPH)687.9
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose639.80.9378
5-Band All-Purpose Low928.70.6461
5-Band All-Purpose L/M709.40.8458
5-Band All-Purpose Med625.60.9591
5-Band All-Purpose M/H574.51.0443
5-Band All-Purpose High539.41.1124
Single Number Predominant Upwind666.70.8999
Single Number Predominant Reaching592.71.0124
Single Number Predominant Downwind623.80.9619
5-Band 50-50 Windward/Leeward Low1159.90.5173
5-Band 50-50 Windward/Leeward L/M853.10.7033
5-Band 50-50 Windward/Leeward Med732.40.8192
5-Band 50-50 Windward/Leeward M/H671.90.8929
5-Band 50-50 Windward/Leeward High639.20.9387
5-Band 60-40 Windward/Leeward Low1161.70.5165
5-Band 60-40 Windward/Leeward L/M861.80.6962
5-Band 60-40 Windward/Leeward Med748.30.8018
5-Band 60-40 Windward/Leeward M/H695.60.8626
5-Band 60-40 Windward/Leeward High670.80.8944
Triple Number 50-50 Windward/Leeward Low1037.10.5786
Triple Number 50-50 Windward/Leeward Med743.70.8068
Triple Number 50-50 Windward/Leeward High663.40.9044
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward766.20.7831
Triple Number 60-40 Windward/Leeward Low1040.90.5764
Triple Number 60-40 Windward/Leeward Med758.30.7912
Triple Number 60-40 Windward/Leeward High688.80.8710
Triple Number All-Purpose Low839.50.7147
Triple Number All-Purpose Med633.80.9467
Triple Number All-Purpose High565.41.0612
Triple Number Predominant Upwind Low849.80.7061
Triple Number Predominant Upwind Med658.70.9109
Triple Number Predominant Upwind High618.70.9698
Triple Number Predominant Reaching Low760.90.7885
Triple Number Predominant Reaching Med595.21.0081
Triple Number Predominant Reaching High508.91.1790
Triple Number Predominant Downwind Low841.90.7127
Triple Number Predominant Downwind Med614.00.9772
Triple Number Predominant Downwind High509.61.1775
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low774.5
Triple Number Coastal/Long Distance Medium613.7
Triple Number Coastal/Long Distance High550.9
Triple Number Windward/Leeward Low991.2
Triple Number Windward/Leeward Medium743.6
Triple Number Windward/Leeward High663.4
Predominantly Upwind668.5
Predominantly Downwind622.4
Predominantly Reaching600.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7747
Triple Number Coastal/Long Distance Medium0.9777
Triple Number Coastal/Long Distance High1.0892
Triple Number Windward/Leeward Low0.6053
Triple Number Windward/Leeward Medium0.8069
Triple Number Windward/Leeward High0.9044
Coastal/Long Distance0.8985
Predominantly Upwind0.8975
Predominantly Downwind0.9641
For information
General Purpose Handicap (GPH)687.9
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9734
Distanseseilas Trippeltall svak vind0.7747
Distanseseilas Trippeltall mellomvind0.9777
Distanseseilas Trippeltall sterk vind1.0892
Pølsebane Trippeltall svak vind0.6053
Pølsebane Trippeltall mellomvind0.8069
Pølsebane Trippeltall sterk vind0.9044
Motvind Singeltall0.8975
Medvind Singeltall0.9641
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Coastal/Long Distance667.80.8985
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind668.50.8975
Predominantly Downwind622.40.9641
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore615.20.9753
Cape Doctor Coastal508.41.1801
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7747
Triple Number Coastal/Long Distance Medium0.9777
Triple Number Coastal/Long Distance High1.0892
Triple Number Windward/Leeward Low0.6053
Triple Number Windward/Leeward Medium0.8069
Triple Number Windward/Leeward High0.9044
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7747
Triple Number Coastal/Long Distance Medium0.9777
Triple Number Coastal/Long Distance High1.0892
Triple Number Windward/Leeward Low0.6053
Triple Number Windward/Leeward Medium0.8069
Triple Number Windward/Leeward High0.9044
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Predominantly Upwind668.50.8975
Predominantly Downwind622.40.9641
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance667.80.8985
Triple Number Coastal/Long Distance Low774.50.7747
Triple Number Coastal/Long Distance Medium613.70.9777
Triple Number Coastal/Long Distance High550.91.0892
Triple Number Windward/Leeward Low991.20.6053
Triple Number Windward/Leeward Medium743.60.8069
Triple Number Windward/Leeward High663.40.9044
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.31095.3836.6706.8636.6596.6561.4501.0471.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP639.80.9378 Predom. Dn High480.81.2478 5B AP High528.41.1356 TriNum AP Low774.50.7747 Predom. Rc Low831.20.7219 5B SF Bay Low979.20.6128 TriNum AP Med613.70.9776 Predom. Rc L/M648.60.9251 5B SF Bay L/M814.50.7367 TriNum AP High550.91.0892 Predom. Rc Med578.71.0369 5B SF Bay Med710.20.8448 TriNum W/L Low1037.10.5786 Predom. Rc M/H528.61.1351 5B SF Bay M/H655.30.9156 TriNum W/L Med743.60.8069 Predom. Rc High490.11.2241 5B SF Bay High623.60.9621 TriNum W/L Hig663.40.9044 5B W/L Low1159.90.5173 ChiMac Up Low822.90.7291 Predom. Upwind693.50.8651 5B W/L L/M853.10.7033 ChiMac Up Med750.30.7997 Predom. Reaching611.80.9807 5B W/L Med732.40.8192 ChiMac Up High666.00.9009 Predom. Downwind646.70.9277 5B W/L M/H671.90.8929 ChiMac AP Low813.60.7374 Predom. Up Low927.20.6471 5B W/L High639.20.9387 ChiMac AP Med732.10.8195 Predom. Up L/M720.90.8322 W/L 60-40 Low1161.70.5165 ChiMac AP High634.60.9455 Predom. Up Med650.10.9229 W/L 60-40 L/M861.80.6962 ChiMac Off Low811.80.7391 Predom. Up M/H615.60.9746 W/L 60-40 Med748.30.8018 ChiMac Off Med719.20.8343 Predom. Up High598.21.0030 W/L 60-40 M/H695.60.8626 ChiMac Off High606.40.9895 Predom. Dn Low938.80.6391 W/L 60-40 High670.80.8944 BayMac Cove Island931.30.6443 Predom. Dn L/M701.60.8552 5B AP Low855.20.7016 BayMac Shore923.50.6497 Predom. Dn Med603.30.9945 5B AP Med606.00.9901 Harvest Moon538.81.1136 Predom. Dn M/H535.31.1208 5B AP M/H558.91.0735 SA/DSPL Up29.59SA/DSPL Dn51.93     
ORC Ref  02920004836 Issued on 02/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
One DesignInternational Certificate2026
X-79 ONE DESIGNMNA-1234
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-79 ODMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall7.927Maximum beam2.860Draft1.358Displacement1,552Wetted area12.28IMS L6.638LSM05.983Accomod. length7.927Sink (kg/mm) 9.24
VCGD0.056VCGM0.152 RM Rated (kg·m) 31.7Limit of positive stability(°) 103.0 Stability Index 95.2 BLR index 0.0000Default crew weight331 Declared crew weight 352
Centerboard weight0.0List angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders1Rotating mastNo
P10.000IG9.210ISP9.450MDT10.080MDL10.120MDT20.052MDL20.065TL1.900MW0.120GO0.120
E3.500J2.750BAS1.190FSD0.000SFJ0.000SPL2.830WPLTPSBD0.115MWTMCG
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date01/03/2013
SFFP0.509FFM0.850FF0.853LCFcl4.255SG1.0110
SAFP7.625FAM0.800FA0.802LCFsh4.481HBI0.823
W129.0W229.0W329.0W429.0
PD1602.4PD2601.8PD3602.0PD4601.1
WD8.360PLM9000.00GSA1.0RSA1.0RM31.7
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  02920004836 Issued on 02/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
One DesignInternational Certificate2026
X-79 ONE DESIGNMNA-1234
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.140.741.302.242.9820.88* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.054.149.00NoNo 18.83* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC9.259.259.256.684.9548.82* Copied from legacy *
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  02920004836 Issued on 02/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org