Club Certificate2025
GaeguriKOR9802
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 Angles43.1°43.1°40.8°39.2°37.8°37.6°37.5°38.2°39.7°
Beat VMG2.353.223.884.334.574.674.724.724.62
52°3.664.895.726.166.386.506.556.606.58
60°3.895.145.936.316.536.666.736.806.81
75°4.045.306.076.446.696.877.007.147.21
90°3.895.216.106.536.786.957.157.447.63
110°3.865.226.166.626.967.257.497.858.14
120°3.685.036.016.546.907.247.558.198.74
135°3.234.505.546.256.677.027.378.179.32
150°2.663.834.885.756.336.717.047.748.67
Run VMG2.303.314.235.015.686.196.587.207.86
Gybe Angles146.5°146.5°151.4°154.9°163.3°170.9°178.1°178.1°176.8°
APH ToD:613.8CDL: 7.413APH ToT: 0.9775CertNo:047/25
BOAT
ClassYAMAHA 30S IIDesignerYAMAHABuilderYAMAHAAge date09/1990Series date09/1989Offset fileJ009.OFFData fileKOR9802
HULL
Length Overall8.968 mMaximum Beam3.222 mDraft1.765 mDisplacement3,023 kgDLR7.6584IMS DivisionCruiser/RacerDynamic Allowance0.160%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight442 kg(default)Minimum weight312 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.0426.48Headsail Luffed21.6221.62Headsail FlyingSymmetric53.5353.53Asymmetric
STORM SAIL AREAS (m²)
Trysail7.89Storm Jib6.05Heavy Weather Jib16.34
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
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
GaeguriKOR9802
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 VMG1531.81117.8927.0832.3787.7771.4763.2762.8779.2
52°984.7736.0629.1584.4564.0554.1549.2545.4546.8
60°924.9700.1607.2570.2551.3540.4534.7529.2528.7
75°891.6679.2593.3558.8538.5524.3514.3504.1499.3
90°926.1691.1590.6551.2530.8518.1503.5483.6471.9
110°932.8690.1584.9543.8517.5496.8480.4458.4442.3
120°978.7716.3599.4550.6521.5497.5476.6439.4412.0
135°1116.2799.5650.2576.2539.9512.9488.3440.9386.2
150°1354.8941.1738.3626.6568.3536.3511.0465.4415.3
Run VMG1566.51086.7851.6718.4633.5581.3547.3499.9458.3
Selected Courses
Windward / Leeward1547.61102.3889.3775.3710.6676.3655.3631.4618.7
All purpose1170.7850.8703.5631.9593.2571.4555.8534.3519.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward744.70.8057
All purpose613.80.9775
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7044
Downwind "popa"0.8539
70% up, 30% down "Ilhabela"0.7435
30% up, 70% down "Ilhabela-inverso"0.8028
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Predominantly Upwind662.10.9061
Predominantly Downwind621.50.9653
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low777.10.7721
Triple Number AP Medium609.90.9838
Triple Number AP High551.61.0877
Triple Number Windward/Leeward Low1039.70.5771
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Single Number Predominant Upwind688.30.8717
Single Number Predominant Reaching612.80.9792
Single Number Predominant Downwind648.80.9247
Predominant Upwind - Low930.90.6445
Predominant Upwind - Low/Med720.20.8331
Predominant Upwind - Medium642.70.9336
Predominant Upwind - Med/High606.20.9897
Predominant Upwind - High592.01.0136
Predominant Downwind Low940.80.6377
Predominant Downwind Low/Med700.00.8571
Predominant Downwind Medium600.80.9987
Predominant Downwind Med/High540.61.1099
Predominant Downwind High503.91.1907
Predominant Reaching Low835.60.7181
Predominant Reaching Low/Med645.90.9289
Predominant Reaching Medium574.91.0437
Predominant Reaching Med/High533.41.1249
Predominant Reaching High507.11.1832
SA/DSPL Upwind22.72SA/DSPL Downwind37.92
Scoring OptionTODTOT
5-Band Windward/Leeward Low1160.80.5169
5-Band Windward/Leeward Low/Med854.10.7025
5-Band Windward/Leeward Medium725.90.8265
5-Band Windward/Leeward Med/High659.40.9099
5-Band Windward/Leeward High633.30.9474
Windward/Leeward 60-40 Low1163.30.5158
Windward/Leeward 60-40 Low/Med863.50.6948
Windward/Leeward 60-40 Medium741.10.8096
Windward/Leeward 60-40 Med/High680.90.8812
Windward/Leeward 60-40 High659.80.9094
5-Band AP Low857.40.6998
5-Band AP Low/Med683.70.8776
5-Band AP Medium602.10.9966
5-Band AP Med/High557.91.0754
5-Band AP High535.41.1207
5-Band SF Bay Tour - Low1001.50.5991
5-Band SF Bay Tour - Low/Med818.70.7328
5-Band SF Bay Tour - Medium704.60.8515
5-Band SF Bay Tour - Med/High646.70.9277
5-Band SF Bay Tour - High622.30.9642
Chicago-Mac Upwind0.8474
Chicago-Mac All Purpose0.8728
Chicago-Mac Downwind0.8931
Bayview-Mac Cove Island0.6452
Bayview-Mac Shore0.6500
Harvest Moon Regatta538.81.1137
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance665.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating665.30.9018
FinRating, kevyt tuuli1140.70.8767
FinRating, kova tuuli538.50.9285
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9018
Triple Number Coastal/Long Distance Low0.7721
Triple Number Coastal/Long Distance Medium0.9839
Triple Number Coastal/Long Distance High1.0877
Triple Number Windward/Leeward Low0.6025
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
For information
General Purpose Handicap (GPH)686.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low777.1
Triple Number Coastal/Long Distance Medium609.8
Triple Number Coastal/Long Distance High551.6
Triple Number Windward/Leeward Low995.9
Triple Number Windward/Leeward Medium738.5
Triple Number Windward/Leeward High651.5
Predominantly Upwind662.1
Predominantly Downwind621.5
Predominantly Reaching598.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7721
Triple Number Coastal/Long Distance Medium0.9839
Triple Number Coastal/Long Distance High1.0877
Triple Number Windward/Leeward Low0.6025
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9209
Coastal/Long Distance0.9018
Predominantly Upwind0.9061
Predominantly Downwind0.9653
For information
General Purpose Handicap (GPH)686.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9775
Distanseseilas Trippeltall svak vind0.7721
Distanseseilas Trippeltall mellomvind0.9839
Distanseseilas Trippeltall sterk vind1.0877
Pølsebane Trippeltall svak vind0.6025
Pølsebane Trippeltall mellomvind0.8125
Pølsebane Trippeltall sterk vind0.9209
Motvind Singeltall0.9061
Medvind Singeltall0.9653
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Coastal/Long Distance665.30.9018
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind662.10.9061
Predominantly Downwind621.50.9653
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore622.50.9638
Cape Doctor Coastal523.61.1458
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7721
Triple Number Coastal/Long Distance Medium0.9839
Triple Number Coastal/Long Distance High1.0877
Triple Number Windward/Leeward Low0.6025
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9209
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7721
Triple Number Coastal/Long Distance Medium0.9839
Triple Number Coastal/Long Distance High1.0877
Triple Number Windward/Leeward Low0.6025
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9209
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Predominantly Upwind662.10.9061
Predominantly Downwind621.50.9653
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance665.30.9018
Triple Number Coastal/Long Distance Low777.10.7721
Triple Number Coastal/Long Distance Medium609.80.9839
Triple Number Coastal/Long Distance High551.61.0877
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1642.61100.7838.2704.9630.6592.3561.8511.7494.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low777.10.7721
Triple Number AP Medium609.90.9838
Triple Number AP High551.61.0877
Triple Number Windward/Leeward Low1039.70.5771
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High651.50.9209
Single Number Predominant Upwind688.30.8717
Single Number Predominant Reaching612.80.9792
Single Number Predominant Downwind648.80.9247
Predominant Upwind - Low930.90.6445
Predominant Upwind - Low/Med720.20.8331
Predominant Upwind - Medium642.70.9336
Predominant Upwind - Med/High606.20.9897
Predominant Upwind - High592.01.0136
Predominant Downwind Low940.80.6377
Predominant Downwind Low/Med700.00.8571
Predominant Downwind Medium600.80.9987
Predominant Downwind Med/High540.61.1099
Predominant Downwind High503.91.1907
Predominant Reaching Low835.60.7181
Predominant Reaching Low/Med645.90.9289
Predominant Reaching Medium574.91.0437
Predominant Reaching Med/High533.41.1249
Predominant Reaching High507.11.1832
SA/DSPL Upwind22.72SA/DSPL Downwind37.92
Scoring OptionTODTOT
5-Band Windward/Leeward Low1160.80.5169
5-Band Windward/Leeward Low/Med854.10.7025
5-Band Windward/Leeward Medium725.90.8265
5-Band Windward/Leeward Med/High659.40.9099
5-Band Windward/Leeward High633.30.9474
Windward/Leeward 60-40 Low1163.30.5158
Windward/Leeward 60-40 Low/Med863.50.6948
Windward/Leeward 60-40 Medium741.10.8096
Windward/Leeward 60-40 Med/High680.90.8812
Windward/Leeward 60-40 High659.80.9094
5-Band AP Low857.40.6998
5-Band AP Low/Med683.70.8776
5-Band AP Medium602.10.9966
5-Band AP Med/High557.91.0754
5-Band AP High535.41.1207
5-Band SF Bay Tour - Low1001.50.5991
5-Band SF Bay Tour - Low/Med818.70.7328
5-Band SF Bay Tour - Medium704.60.8515
5-Band SF Bay Tour - Med/High646.70.9277
5-Band SF Bay Tour - High622.30.9642
Chicago-Mac Upwind0.8474
Chicago-Mac All Purpose0.8728
Chicago-Mac Downwind0.8931
Bayview-Mac Cove Island0.6452
Bayview-Mac Shore0.6500
Harvest Moon Regatta538.81.1137
Club Certificate2025
GaeguriKOR9802
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 30S IIMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.968Max. Beam3.222Draft1.765Displacement3,023Wetted area16.93IMS L7.638LSM07.335Acc. length8.968Sink (kg/mm) 11.91
VCGD-0.154VCGM-0.057RM Rated (kg·m) 53.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight442Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0015
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P11.400IG11.000ISP11.000MDT10.092MDL10.145MDT2MDL2TLTaperMWGO
E3.950J3.375BAS1.400FSDFoilSFJ0.010SPL3.480WPLTPS3.375BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date12/10/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
GaeguriKOR9802
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.160.781.432.473.1926.04
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.060.490.931.973.114.2910.52NoNo 21.62
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment010.7610.7610.765.975.9753.53
CRUISER/RACER REQUIREMENTS*
Accommodation length9.0 mTable area0.44 m²Headroom1.62 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity60 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity30 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.