Club Certificate2025
SoPoongRKOR8770
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
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 Angles42.6°42.6°40.7°38.9°37.5°37.0°36.7°37.1°38.3°
Beat VMG2.503.474.234.785.095.235.305.335.25
52°3.915.276.236.797.087.237.317.377.37
60°4.165.546.456.947.237.417.517.617.63
75°4.315.706.597.077.377.627.818.018.11
90°4.175.656.687.197.457.687.948.398.68
110°4.195.706.787.337.738.098.378.829.24
120°4.035.526.627.247.698.128.579.4010.13
135°3.514.936.106.917.417.878.349.5511.94
150°2.854.115.266.256.987.447.868.8310.39
Run VMG2.463.564.555.426.186.757.207.989.00
Gybe Angles144.7°144.7°149.4°151.9°158.5°166.9°172.3°172.7°143.8°
APH ToD:555.9CDL: 8.997APH ToT: 1.0793CertNo:029/25
BOAT
ClassYamaha-R10.3 IMSDesignerYamahaBuilderYamahaAge date10/1994Series date10/1994Offset fileJ064.OFFData fileKOR8770
HULL
Length Overall10.320 mMaximum Beam3.356 mDraft2.074 mDisplacement3,657 kgDLR5.9817IMS DivisionPerformanceDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight545 kg(default)Minimum weight415 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.2733.62Headsail Luffed25.1625.16Headsail FlyingSymmetric77.5277.52Asymmetric
STORM SAIL AREAS (m²)
Trysail10.78Storm Jib6.96Heavy Weather Jib18.77
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.
Club Certificate2025
SoPoongRKOR8770
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
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 VMG1437.41038.2850.4753.2706.8688.5679.3675.3685.1
52°921.1682.7577.5530.6508.7497.9492.7488.1488.4
60°865.0649.6557.9518.4497.9485.8479.4473.3472.0
75°834.4631.1546.1509.4488.2472.5461.1449.3443.7
90°863.5637.7539.0500.8483.2469.0453.1429.0414.8
110°859.3631.4531.1491.0465.5445.2430.2408.4389.7
120°892.3651.6543.6497.1468.0443.1420.3382.8355.3
135°1025.1729.6589.8521.0485.6457.6431.5376.8301.4
150°1263.6875.7684.5576.0516.0484.1458.0407.9346.5
Run VMG1460.71011.1790.4664.2582.9533.1500.2451.2400.1
Selected Courses
Windward / Leeward1448.01024.7820.4708.7644.9610.8589.7563.2542.6
All purpose1091.4787.3645.5574.9536.3513.7497.4473.3452.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward677.80.8853
All purpose555.91.0793
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7790
Downwind "popa"0.9265
70% up, 30% down "Ilhabela"0.8181
30% up, 70% down "Ilhabela-inverso"0.8767
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Predominantly Upwind599.91.0002
Predominantly Downwind565.51.0611
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low716.40.8375
Triple Number AP Medium552.71.0857
Triple Number AP High492.41.2185
Triple Number Windward/Leeward Low964.00.6224
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Single Number Predominant Upwind624.30.9610
Single Number Predominant Reaching555.41.0803
Single Number Predominant Downwind590.01.0170
Predominant Upwind - Low863.00.6952
Predominant Upwind - Low/Med658.10.9117
Predominant Upwind - Medium580.61.0335
Predominant Upwind - Med/High542.31.1063
Predominant Upwind - High524.81.1432
Predominant Downwind Low869.60.6900
Predominant Downwind Low/Med641.20.9357
Predominant Downwind Medium545.61.0996
Predominant Downwind Med/High485.11.2368
Predominant Downwind High443.81.3521
Predominant Reaching Low771.20.7780
Predominant Reaching Low/Med589.51.0179
Predominant Reaching Medium520.31.1532
Predominant Reaching Med/High477.31.2571
Predominant Reaching High446.51.3439
SA/DSPL Upwind24.52SA/DSPL Downwind46.48
Scoring OptionTODTOT
5-Band Windward/Leeward Low1079.70.5557
5-Band Windward/Leeward Low/Med785.20.7642
5-Band Windward/Leeward Medium659.80.9093
5-Band Windward/Leeward Med/High593.41.0111
5-Band Windward/Leeward High564.21.0634
Windward/Leeward 60-40 Low1081.90.5546
Windward/Leeward 60-40 Low/Med792.60.7570
Windward/Leeward 60-40 Medium672.10.8927
Windward/Leeward 60-40 Med/High611.20.9816
Windward/Leeward 60-40 High586.91.0223
5-Band AP Low792.80.7568
5-Band AP Low/Med625.30.9595
5-Band AP Medium544.81.1014
5-Band AP Med/High499.31.2016
5-Band AP High473.81.2665
5-Band SF Bay Tour - Low927.90.6467
5-Band SF Bay Tour - Low/Med750.60.7993
5-Band SF Bay Tour - Medium638.20.9402
5-Band SF Bay Tour - Med/High579.31.0358
5-Band SF Bay Tour - High551.01.0889
Chicago-Mac Upwind0.9320
Chicago-Mac All Purpose0.9582
Chicago-Mac Downwind0.9790
Bayview-Mac Cove Island0.6991
Bayview-Mac Shore0.7044
Harvest Moon Regatta485.21.2367
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance603.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating603.80.9937
FinRating, kevyt tuuli1060.90.9426
FinRating, kova tuuli475.71.0510
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9937
Triple Number Coastal/Long Distance Low0.8375
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2185
Triple Number Windward/Leeward Low0.6504
Triple Number Windward/Leeward Medium0.8925
Triple Number Windward/Leeward High1.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
For information
General Purpose Handicap (GPH)624.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low716.4
Triple Number Coastal/Long Distance Medium552.6
Triple Number Coastal/Long Distance High492.4
Triple Number Windward/Leeward Low922.5
Triple Number Windward/Leeward Medium672.3
Triple Number Windward/Leeward High585.1
Predominantly Upwind599.9
Predominantly Downwind565.5
Predominantly Reaching543.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8375
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2185
Triple Number Windward/Leeward Low0.6504
Triple Number Windward/Leeward Medium0.8925
Triple Number Windward/Leeward High1.0255
Coastal/Long Distance0.9937
Predominantly Upwind1.0002
Predominantly Downwind1.0611
For information
General Purpose Handicap (GPH)624.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0793
Distanseseilas Trippeltall svak vind0.8375
Distanseseilas Trippeltall mellomvind1.0858
Distanseseilas Trippeltall sterk vind1.2185
Pølsebane Trippeltall svak vind0.6504
Pølsebane Trippeltall mellomvind0.8925
Pølsebane Trippeltall sterk vind1.0255
Motvind Singeltall1.0002
Medvind Singeltall1.0611
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Coastal/Long Distance603.80.9937
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind599.91.0002
Predominantly Downwind565.51.0611
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore548.81.0933
Cape Doctor Coastal458.41.3090
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8375
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2185
Triple Number Windward/Leeward Low0.6504
Triple Number Windward/Leeward Medium0.8925
Triple Number Windward/Leeward High1.0255
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8375
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2185
Triple Number Windward/Leeward Low0.6504
Triple Number Windward/Leeward Medium0.8925
Triple Number Windward/Leeward High1.0255
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Predominantly Upwind599.91.0002
Predominantly Downwind565.51.0611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance603.80.9937
Triple Number Coastal/Long Distance Low716.40.8375
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High492.41.2185
Triple Number Windward/Leeward Low922.50.6504
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1539.51023.3772.5643.0570.1532.6502.5453.3432.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low716.40.8375
Triple Number AP Medium552.71.0857
Triple Number AP High492.41.2185
Triple Number Windward/Leeward Low964.00.6224
Triple Number Windward/Leeward Medium672.30.8925
Triple Number Windward/Leeward High585.11.0255
Single Number Predominant Upwind624.30.9610
Single Number Predominant Reaching555.41.0803
Single Number Predominant Downwind590.01.0170
Predominant Upwind - Low863.00.6952
Predominant Upwind - Low/Med658.10.9117
Predominant Upwind - Medium580.61.0335
Predominant Upwind - Med/High542.31.1063
Predominant Upwind - High524.81.1432
Predominant Downwind Low869.60.6900
Predominant Downwind Low/Med641.20.9357
Predominant Downwind Medium545.61.0996
Predominant Downwind Med/High485.11.2368
Predominant Downwind High443.81.3521
Predominant Reaching Low771.20.7780
Predominant Reaching Low/Med589.51.0179
Predominant Reaching Medium520.31.1532
Predominant Reaching Med/High477.31.2571
Predominant Reaching High446.51.3439
SA/DSPL Upwind24.52SA/DSPL Downwind46.48
Scoring OptionTODTOT
5-Band Windward/Leeward Low1079.70.5557
5-Band Windward/Leeward Low/Med785.20.7642
5-Band Windward/Leeward Medium659.80.9093
5-Band Windward/Leeward Med/High593.41.0111
5-Band Windward/Leeward High564.21.0634
Windward/Leeward 60-40 Low1081.90.5546
Windward/Leeward 60-40 Low/Med792.60.7570
Windward/Leeward 60-40 Medium672.10.8927
Windward/Leeward 60-40 Med/High611.20.9816
Windward/Leeward 60-40 High586.91.0223
5-Band AP Low792.80.7568
5-Band AP Low/Med625.30.9595
5-Band AP Medium544.81.1014
5-Band AP Med/High499.31.2016
5-Band AP High473.81.2665
5-Band SF Bay Tour - Low927.90.6467
5-Band SF Bay Tour - Low/Med750.60.7993
5-Band SF Bay Tour - Medium638.20.9402
5-Band SF Bay Tour - Med/High579.31.0358
5-Band SF Bay Tour - High551.01.0889
Chicago-Mac Upwind0.9320
Chicago-Mac All Purpose0.9582
Chicago-Mac Downwind0.9790
Bayview-Mac Cove Island0.6991
Bayview-Mac Shore0.7044
Harvest Moon Regatta485.21.2367
Club Certificate2025
SoPoongRKOR8770
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassYamaha-R10.3 IMSMeasurement04/11/2020HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.320Max. Beam3.356Draft2.074Displacement3,657Wetted area20.00IMS L9.066LSM08.486Acc. length10.320Sink (kg/mm) 15.60
VCGD-0.082VCGM-0.007RM Rated (kg·m) 88.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight545Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBW0.100PIPA0.0014
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P12.850IG11.790ISP12.600MDT10.140MDL10.200MDT20.140MDL20.140TLMWGO
E4.790J3.700BAS1.130FSDSFJ0.100SPL3.740WPLTPSBD0.230MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date06/11/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
SoPoongRKOR8770
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.140.831.512.683.7033.27
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.040.561.092.203.374.5811.20NoNo 25.1610.140.510.941.772.613.3812.01NoNo 21.1204/11/2020
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment113.0513.0513.057.256.6477.5204/11/2020012.8812.8812.887.156.8176.0124/04/2025 Black