Club Certificate2025
PoseidonKOR3071
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 Angles42.0°42.0°39.5°37.4°36.1°35.8°35.4°35.2°36.0°
Beat VMG2.653.634.384.875.095.205.285.365.33
52°4.095.446.336.797.007.117.207.317.35
60°4.335.686.506.937.177.317.427.577.61
75°4.636.006.767.077.367.627.798.038.17
90°4.796.166.917.347.637.848.068.518.81
110°4.556.016.947.497.948.318.729.409.92
120°4.405.876.867.458.018.558.999.9911.23
135°3.825.306.437.107.668.258.9410.9513.17
150°3.174.475.596.497.077.558.039.3912.83
Run VMG2.743.874.845.626.176.586.988.1311.12
Gybe Angles143.3°143.3°147.6°150.7°154.1°157.0°155.0°142.6°144.3°
APH ToD:546.4CDL: 8.830APH ToT: 1.0981CertNo:069/25
BOAT
ClassK30DesignerBakewell-WhiteBuilderWoo Nam MarineAge date01/2012Series date01/2008Offset filebusan30.offData fileKOR3071
HULL
Length Overall9.000 mMaximum Beam3.144 mDraft2.137 mDisplacement3,034 kgDLR4.8123IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.250m
CREW
Maximum weight470 kg(declared)Minimum weight340 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.1734.23Headsail Luffed23.2423.24Headsail Flying55.9855.98SymmetricAsymmetric92.3392.33 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.26Storm Jib6.88Heavy Weather Jib18.57
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
PoseidonKOR3071
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 VMG1359.9991.2821.2739.5707.7692.1681.9671.6675.3
52°881.2662.0568.9530.5514.4506.3500.3492.7490.1
60°832.3634.3553.6519.7501.8492.4485.3475.9472.8
75°777.5600.0532.9509.1488.9472.5462.4448.3440.5
90°751.5584.5520.9490.2471.6459.0446.8423.1408.6
110°790.6599.3519.1480.6453.6433.4412.7383.0363.0
120°818.4613.1525.0483.5449.5421.1400.3360.3320.6
135°941.9679.6560.1507.4469.9436.3402.7328.6273.4
150°1135.8804.9644.1555.0509.0477.1448.1383.3280.5
Run VMG1312.2929.4743.8640.5583.6547.4515.7442.6323.9
Selected Courses
Windward / Leeward1335.6960.3782.5690.0645.7619.7598.8557.1499.6
All purpose1006.3741.1621.4563.4532.4511.5494.1461.4427.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward669.60.8960
All purpose546.41.0981
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7917
Downwind "popa"0.9539
70% up, 30% down "Ilhabela"0.8343
30% up, 70% down "Ilhabela-inverso"0.8987
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Predominantly Upwind592.31.0130
Predominantly Downwind551.51.0880
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low681.30.8807
Triple Number AP Medium545.01.1010
Triple Number AP High486.21.2340
Triple Number Windward/Leeward Low908.60.6604
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Single Number Predominant Upwind612.50.9796
Single Number Predominant Reaching537.51.1163
Single Number Predominant Downwind569.61.0534
Predominant Upwind - Low817.40.7340
Predominant Upwind - Low/Med640.70.9365
Predominant Upwind - Medium576.81.0402
Predominant Upwind - Med/High541.71.1077
Predominant Upwind - High518.51.1572
Predominant Downwind Low807.50.7430
Predominant Downwind Low/Med615.70.9745
Predominant Downwind Medium536.61.1181
Predominant Downwind Med/High478.01.2552
Predominant Downwind High423.91.4155
Predominant Reaching Low718.60.8349
Predominant Reaching Low/Med569.41.0538
Predominant Reaching Medium511.01.1741
Predominant Reaching Med/High468.31.2811
Predominant Reaching High431.81.3894
SA/DSPL Upwind25.87SA/DSPL Downwind58.71
Scoring OptionTODTOT
5-Band Windward/Leeward Low1009.80.5942
5-Band Windward/Leeward Low/Med755.80.7938
5-Band Windward/Leeward Medium656.10.9145
5-Band Windward/Leeward Med/High599.21.0013
5-Band Windward/Leeward High554.41.0823
Windward/Leeward 60-40 Low1016.00.5906
Windward/Leeward 60-40 Low/Med764.80.7845
Windward/Leeward 60-40 Medium668.40.8977
Windward/Leeward 60-40 Med/High616.20.9738
Windward/Leeward 60-40 High578.31.0375
5-Band AP Low744.70.8057
5-Band AP Low/Med605.40.9910
5-Band AP Medium538.21.1147
5-Band AP Med/High494.81.2127
5-Band AP High461.21.3009
5-Band SF Bay Tour - Low874.90.6858
5-Band SF Bay Tour - Low/Med723.70.8291
5-Band SF Bay Tour - Medium632.20.9491
5-Band SF Bay Tour - Med/High578.81.0366
5-Band SF Bay Tour - High537.91.1154
Chicago-Mac Upwind0.9530
Chicago-Mac All Purpose0.9871
Chicago-Mac Downwind1.0157
Bayview-Mac Cove Island0.7395
Bayview-Mac Shore0.7449
Harvest Moon Regatta474.21.2654
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance592.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating592.41.0128
FinRating, kevyt tuuli989.21.0109
FinRating, kova tuuli460.91.0848
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0128
Triple Number Coastal/Long Distance Low0.8807
Triple Number Coastal/Long Distance Medium1.1011
Triple Number Coastal/Long Distance High1.2340
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9018
Triple Number Windward/Leeward High1.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
For information
General Purpose Handicap (GPH)608.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low681.3
Triple Number Coastal/Long Distance Medium544.9
Triple Number Coastal/Long Distance High486.2
Triple Number Windward/Leeward Low871.3
Triple Number Windward/Leeward Medium665.3
Triple Number Windward/Leeward High588.4
Predominantly Upwind592.3
Predominantly Downwind551.5
Predominantly Reaching529.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8807
Triple Number Coastal/Long Distance Medium1.1011
Triple Number Coastal/Long Distance High1.2340
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9018
Triple Number Windward/Leeward High1.0197
Coastal/Long Distance1.0128
Predominantly Upwind1.0130
Predominantly Downwind1.0880
For information
General Purpose Handicap (GPH)608.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0981
Distanseseilas Trippeltall svak vind0.8807
Distanseseilas Trippeltall mellomvind1.1011
Distanseseilas Trippeltall sterk vind1.2340
Pølsebane Trippeltall svak vind0.6886
Pølsebane Trippeltall mellomvind0.9018
Pølsebane Trippeltall sterk vind1.0197
Motvind Singeltall1.0130
Medvind Singeltall1.0880
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Coastal/Long Distance592.41.0128
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind592.31.0130
Predominantly Downwind551.51.0880
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore516.91.1609
Cape Doctor Coastal437.71.3708
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8807
Triple Number Coastal/Long Distance Medium1.1011
Triple Number Coastal/Long Distance High1.2340
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9018
Triple Number Windward/Leeward High1.0197
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8807
Triple Number Coastal/Long Distance Medium1.1011
Triple Number Coastal/Long Distance High1.2340
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9018
Triple Number Windward/Leeward High1.0197
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Predominantly Upwind592.31.0130
Predominantly Downwind551.51.0880
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.41.0128
Triple Number Coastal/Long Distance Low681.30.8807
Triple Number Coastal/Long Distance Medium544.91.1011
Triple Number Coastal/Long Distance High486.21.2340
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.0957.2738.2627.5566.1530.2499.3443.4408.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low681.30.8807
Triple Number AP Medium545.01.1010
Triple Number AP High486.21.2340
Triple Number Windward/Leeward Low908.60.6604
Triple Number Windward/Leeward Medium665.30.9018
Triple Number Windward/Leeward High588.41.0197
Single Number Predominant Upwind612.50.9796
Single Number Predominant Reaching537.51.1163
Single Number Predominant Downwind569.61.0534
Predominant Upwind - Low817.40.7340
Predominant Upwind - Low/Med640.70.9365
Predominant Upwind - Medium576.81.0402
Predominant Upwind - Med/High541.71.1077
Predominant Upwind - High518.51.1572
Predominant Downwind Low807.50.7430
Predominant Downwind Low/Med615.70.9745
Predominant Downwind Medium536.61.1181
Predominant Downwind Med/High478.01.2552
Predominant Downwind High423.91.4155
Predominant Reaching Low718.60.8349
Predominant Reaching Low/Med569.41.0538
Predominant Reaching Medium511.01.1741
Predominant Reaching Med/High468.31.2811
Predominant Reaching High431.81.3894
SA/DSPL Upwind25.87SA/DSPL Downwind58.71
Scoring OptionTODTOT
5-Band Windward/Leeward Low1009.80.5942
5-Band Windward/Leeward Low/Med755.80.7938
5-Band Windward/Leeward Medium656.10.9145
5-Band Windward/Leeward Med/High599.21.0013
5-Band Windward/Leeward High554.41.0823
Windward/Leeward 60-40 Low1016.00.5906
Windward/Leeward 60-40 Low/Med764.80.7845
Windward/Leeward 60-40 Medium668.40.8977
Windward/Leeward 60-40 Med/High616.20.9738
Windward/Leeward 60-40 High578.31.0375
5-Band AP Low744.70.8057
5-Band AP Low/Med605.40.9910
5-Band AP Medium538.21.1147
5-Band AP Med/High494.81.2127
5-Band AP High461.21.3009
5-Band SF Bay Tour - Low874.90.6858
5-Band SF Bay Tour - Low/Med723.70.8291
5-Band SF Bay Tour - Medium632.20.9491
5-Band SF Bay Tour - Med/High578.81.0366
5-Band SF Bay Tour - High537.91.1154
Chicago-Mac Upwind0.9530
Chicago-Mac All Purpose0.9871
Chicago-Mac Downwind1.0157
Bayview-Mac Cove Island0.7395
Bayview-Mac Shore0.7449
Harvest Moon Regatta474.21.2654
Club Certificate2025
PoseidonKOR3071
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassK30Measurement01/06/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.000Max. Beam3.144Draft2.137Displacement3,034Wetted area19.24IMS L8.755LSM08.574Acc. length9.000Sink (kg/mm) 14.67
VCGD-0.046VCGM-0.084RM Rated (kg·m) 77.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight553Declared crew weight470
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.250PBWPIPA0.0002
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstaysCheckstaysSpreaders1Rotating mastYes
P12.330IG11.726ISP13.543MDT10.120MDL10.182MDT20.120MDL20.182TLNo TaperMWGO
E4.290J3.479BAS1.247FSDFoilSFJ0.120SPLWPLTPS5.107BD0.144MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/06/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
PoseidonKOR3071
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.130.871.602.723.5831.1701/06/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.041.222.424.495.736.2714.48NoYes055.9801/06/2025Code0, White10.080.551.031.982.913.7711.90YesNo 23.2401/06/2025Yellow40.150.601.071.992.903.7611.64NoNo 22.9006/11/2025White20.090.541.001.922.893.7711.81YesNo 22.7901/06/202530.080.350.651.312.072.8710.42NoNo 14.3801/06/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment015.0313.5114.277.727.9497%92.3305/11/2025White/Red115.0413.4214.237.507.28103%88.4205/11/2025White/Orange