Club Certificate2025
Iris2KOR7
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 Angles41.9°41.9°39.0°36.8°36.5°36.4°36.3°36.7°38.6°
Beat VMG2.543.484.164.474.584.634.684.704.58
52°3.995.215.916.196.316.396.456.526.49
60°4.235.426.066.346.496.596.686.786.78
75°4.345.546.156.506.766.937.077.267.37
90°4.245.506.206.526.897.207.467.858.14
110°4.195.496.296.797.197.517.818.339.16
120°4.035.336.176.717.267.778.289.109.83
135°3.444.785.796.356.877.458.1910.1912.29
150°2.804.015.095.916.436.917.458.9612.04
Run VMG2.433.484.415.185.796.276.707.7810.43
Gybe Angles145.0°145.0°150.1°156.1°165.3°170.9°170.0°155.5°146.7°
APH ToD:599.4CDL: 7.107APH ToT: 1.0009CertNo:032/25
BOAT
ClassPlatu 25DesignerFarrBuilderAge date03/2000Series date01/1997Offset fileplatu25.OD.offData fileKOR7
HULL
Length Overall7.515 mMaximum Beam2.580 mDraft1.592 mDisplacement1,233 kgDLR4.3452IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight378 kg(default)Minimum weight248 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.2921.99Headsail Luffed11.9611.96Headsail FlyingSymmetric37.2438.64Asymmetric
STORM SAIL AREAS (m²)
Trysail6.01Storm Jib4.24Heavy Weather Jib11.45
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
40285147
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
Iris2KOR7
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 VMG1414.91033.9865.7805.8786.6776.9769.2766.6786.9
52°903.1691.5608.7581.6570.6563.7558.1551.9554.8
60°852.0663.8594.5567.9554.5546.1539.2530.9531.1
75°829.4650.3585.3554.1532.5519.2509.5496.0488.6
90°850.0654.7580.3551.9522.5500.0482.6458.5442.4
110°858.3655.5572.1530.4500.8479.3460.9432.3393.1
120°894.2676.0583.6536.3495.9463.3434.9395.7366.1
135°1045.2753.7621.9566.6524.4483.4439.4353.3293.0
150°1287.4897.1707.4608.7560.1520.9483.2401.8299.0
Run VMG1484.31035.8816.8694.4621.4574.6537.4462.9345.3
Selected Courses
Windward / Leeward1448.81034.9841.2750.1704.0675.8653.3614.8566.1
All purpose1087.1801.5674.6618.1586.0563.3543.4509.9478.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward728.30.8238
All purpose599.41.0009
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7236
Downwind "popa"0.8855
70% up, 30% down "Ilhabela"0.7655
30% up, 70% down "Ilhabela-inverso"0.8298
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Predominantly Upwind649.80.9234
Predominantly Downwind602.10.9965
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low738.10.8129
Triple Number AP Medium598.41.0026
Triple Number AP High535.81.1198
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Single Number Predominant Upwind671.00.8941
Single Number Predominant Reaching591.51.0143
Single Number Predominant Downwind623.50.9624
Predominant Upwind - Low871.40.6885
Predominant Upwind - Low/Med695.30.8630
Predominant Upwind - Medium636.20.9432
Predominant Upwind - Med/High601.10.9982
Predominant Upwind - High579.51.0353
Predominant Downwind Low889.00.6749
Predominant Downwind Low/Med676.30.8872
Predominant Downwind Medium587.21.0218
Predominant Downwind Med/High517.61.1592
Predominant Downwind High458.91.3075
Predominant Reaching Low787.20.7622
Predominant Reaching Low/Med627.50.9562
Predominant Reaching Medium564.21.0635
Predominant Reaching Med/High512.71.1702
Predominant Reaching High472.61.2695
SA/DSPL Upwind28.03SA/DSPL Downwind50.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low1090.10.5504
5-Band Windward/Leeward Low/Med817.30.7341
5-Band Windward/Leeward Medium714.10.8402
5-Band Windward/Leeward Med/High654.90.9162
5-Band Windward/Leeward High613.00.9788
Windward/Leeward 60-40 Low1089.50.5507
Windward/Leeward 60-40 Low/Med825.40.7269
Windward/Leeward 60-40 Medium729.90.8220
Windward/Leeward 60-40 Med/High678.20.8847
Windward/Leeward 60-40 High644.50.9309
5-Band AP Low809.40.7413
5-Band AP Low/Med660.30.9087
5-Band AP Medium591.31.0147
5-Band AP Med/High544.71.1016
5-Band AP High510.31.1758
5-Band SF Bay Tour - Low940.30.6381
5-Band SF Bay Tour - Low/Med783.80.7655
5-Band SF Bay Tour - Medium692.30.8667
5-Band SF Bay Tour - Med/High637.40.9413
5-Band SF Bay Tour - High597.91.0035
Chicago-Mac Upwind0.8722
Chicago-Mac All Purpose0.9018
Chicago-Mac Downwind0.9271
Bayview-Mac Cove Island0.6802
Bayview-Mac Shore0.6855
Harvest Moon Regatta516.81.1610
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance647.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating647.40.9268
FinRating, kevyt tuuli1071.40.9334
FinRating, kova tuuli510.50.9794
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9268
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0027
Triple Number Coastal/Long Distance High1.1198
Triple Number Windward/Leeward Low0.6396
Triple Number Windward/Leeward Medium0.8290
Triple Number Windward/Leeward High0.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
For information
General Purpose Handicap (GPH)665.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low738.1
Triple Number Coastal/Long Distance Medium598.4
Triple Number Coastal/Long Distance High535.8
Triple Number Windward/Leeward Low938.1
Triple Number Windward/Leeward Medium723.8
Triple Number Windward/Leeward High644.5
Predominantly Upwind649.8
Predominantly Downwind602.1
Predominantly Reaching581.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0027
Triple Number Coastal/Long Distance High1.1198
Triple Number Windward/Leeward Low0.6396
Triple Number Windward/Leeward Medium0.8290
Triple Number Windward/Leeward High0.9310
Coastal/Long Distance0.9268
Predominantly Upwind0.9234
Predominantly Downwind0.9965
For information
General Purpose Handicap (GPH)665.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0009
Distanseseilas Trippeltall svak vind0.8129
Distanseseilas Trippeltall mellomvind1.0027
Distanseseilas Trippeltall sterk vind1.1198
Pølsebane Trippeltall svak vind0.6396
Pølsebane Trippeltall mellomvind0.8290
Pølsebane Trippeltall sterk vind0.9310
Motvind Singeltall0.9234
Medvind Singeltall0.9965
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Coastal/Long Distance647.40.9268
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind649.80.9234
Predominantly Downwind602.10.9965
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore580.71.0333
Cape Doctor Coastal488.01.2296
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0027
Triple Number Coastal/Long Distance High1.1198
Triple Number Windward/Leeward Low0.6396
Triple Number Windward/Leeward Medium0.8290
Triple Number Windward/Leeward High0.9310
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0027
Triple Number Coastal/Long Distance High1.1198
Triple Number Windward/Leeward Low0.6396
Triple Number Windward/Leeward Medium0.8290
Triple Number Windward/Leeward High0.9310
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Predominantly Upwind649.80.9234
Predominantly Downwind602.10.9965
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9268
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium598.41.0027
Triple Number Coastal/Long Distance High535.81.1198
Triple Number Windward/Leeward Low938.10.6396
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.01035.0796.3685.7623.0583.3547.3486.5455.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low738.10.8129
Triple Number AP Medium598.41.0026
Triple Number AP High535.81.1198
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium723.80.8290
Triple Number Windward/Leeward High644.50.9310
Single Number Predominant Upwind671.00.8941
Single Number Predominant Reaching591.51.0143
Single Number Predominant Downwind623.50.9624
Predominant Upwind - Low871.40.6885
Predominant Upwind - Low/Med695.30.8630
Predominant Upwind - Medium636.20.9432
Predominant Upwind - Med/High601.10.9982
Predominant Upwind - High579.51.0353
Predominant Downwind Low889.00.6749
Predominant Downwind Low/Med676.30.8872
Predominant Downwind Medium587.21.0218
Predominant Downwind Med/High517.61.1592
Predominant Downwind High458.91.3075
Predominant Reaching Low787.20.7622
Predominant Reaching Low/Med627.50.9562
Predominant Reaching Medium564.21.0635
Predominant Reaching Med/High512.71.1702
Predominant Reaching High472.61.2695
SA/DSPL Upwind28.03SA/DSPL Downwind50.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low1090.10.5504
5-Band Windward/Leeward Low/Med817.30.7341
5-Band Windward/Leeward Medium714.10.8402
5-Band Windward/Leeward Med/High654.90.9162
5-Band Windward/Leeward High613.00.9788
Windward/Leeward 60-40 Low1089.50.5507
Windward/Leeward 60-40 Low/Med825.40.7269
Windward/Leeward 60-40 Medium729.90.8220
Windward/Leeward 60-40 Med/High678.20.8847
Windward/Leeward 60-40 High644.50.9309
5-Band AP Low809.40.7413
5-Band AP Low/Med660.30.9087
5-Band AP Medium591.31.0147
5-Band AP Med/High544.71.1016
5-Band AP High510.31.1758
5-Band SF Bay Tour - Low940.30.6381
5-Band SF Bay Tour - Low/Med783.80.7655
5-Band SF Bay Tour - Medium692.30.8667
5-Band SF Bay Tour - Med/High637.40.9413
5-Band SF Bay Tour - High597.91.0035
Chicago-Mac Upwind0.8722
Chicago-Mac All Purpose0.9018
Chicago-Mac Downwind0.9271
Bayview-Mac Cove Island0.6802
Bayview-Mac Shore0.6855
Harvest Moon Regatta516.81.1610
Club Certificate2025
Iris2KOR7
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPlatu 25MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.515Max. Beam2.580Draft1.592Displacement1,233Wetted area10.46IMS L7.006LSM06.570Acc. length7.530Sink (kg/mm) 7.63
VCGD-0.055VCGM-0.055RM Rated (kg·m) 17.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight378Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstaysCheckstaysSpreaders2Rotating mastYes
P9.405IG9.171ISP9.681MDT10.079MDL10.120MDT20.062MDL20.078TL2.340MW0.121GO0.131
E3.650J2.620BAS1.181FSD0.000SFJ0.000SPL3.380WPLTPSBD0.120MWT35.50MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date27/10/2013
W14.0W28.0W312.0W416.0
PD176.0PD2156.0PD3231.0PD4311.0
WD7.900PLM2510.00GSA19.6RSA6079.4RM17.7
BALLAST
TANKS
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA1Outboard Engine min.14kg   
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousOutboard Engine min.14kgTotal deductible
Club Certificate2025
Iris2KOR7
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.130.741.362.333.0520.2925/04/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.040.340.661.351.982.648.99NoNo 11.9624/04/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment09.159.149.154.904.8337.2424/04/2025Red