Double HandedClub Certificate2026
DANCE 7JPN 5657
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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 Angles44.5°41.4°39.6°38.2°37.4°37.1°37.0°37.2°38.7°
Beat VMG2.653.644.284.634.784.854.904.924.79
52°4.105.436.206.546.686.756.806.856.83
60°4.365.666.386.696.856.936.997.067.06
75°4.545.826.506.837.057.207.307.447.51
90°4.425.736.486.867.147.377.567.828.01
110°4.195.706.597.017.277.477.657.988.38
120°4.055.576.517.007.407.727.948.368.73
135°3.565.046.146.797.237.668.119.1710.05
150°2.964.295.416.306.867.297.718.7410.49
Run VMG2.563.714.685.506.156.657.057.859.09
Gybe Angles141.1°145.3°149.8°154.8°162.6°169.6°172.7°169.6°150.7°
APH ToD:574.8CDL: 8.179APH ToT: 1.0438CertNo:260330
BOAT
ClassYAMAHA 30S NDesignerYAMAHABuilderYAMAHAAge date01/2000Series date06/1999Offset fileJ091A.OFFData fileJC260330
HULL
Length Overall8.988 mMaximum Beam3.086 mDraft2.076 mDisplacement3,600 kgDLR5.8162IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.1431.81Headsail Luffed28.7428.74Headsail FlyingSymmetric81.1681.16Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.11Storm Jib7.41Heavy Weather Jib20.00
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 71.7 kg·m Stability Index 129.4
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  03390004JIO Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
DANCE 7JPN 5657
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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 VMG1360.1988.0841.2778.2753.8742.0734.9732.1751.0
52°878.8663.5580.8550.5539.1533.1529.2525.4527.3
60°826.3636.2564.6537.7525.6519.2514.8509.7509.8
75°792.7618.9554.2527.2510.8500.1493.2483.6479.6
90°813.7628.6555.7524.6504.3488.2476.2460.2449.5
110°860.2631.9546.7513.4495.3481.8470.8451.3429.4
120°888.1646.1552.7514.2486.6466.4453.2430.4412.4
135°1012.1714.5586.2530.3497.7469.7443.7392.5358.2
150°1217.2839.6665.7571.2525.1494.1466.8412.1343.1
Run VMG1405.6969.5768.6654.4585.3541.4510.4458.8395.9
Selected Courses
Windward / Leeward1382.9978.7804.9716.3669.5641.7622.6595.5573.4
All purpose1049.7762.3643.9589.1560.3541.8527.9505.7489.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward693.90.8647
All purpose574.81.0438
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7540
Downwind "popa"0.9358
70% up, 30% down "Ilhabela"0.8007
30% up, 70% down "Ilhabela-inverso"0.8727
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Predominantly Upwind621.40.9656
Predominantly Downwind574.51.0445
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP594.71.0088 Predom. Rc High476.11.2602 5B SF Bay L/M745.50.8048 TriNum AP Low703.10.8534 Predom. Dn Low845.00.7100 5B SF Bay Med660.60.9083 TriNum AP Med572.31.0484 Predom. Dn L/M640.20.9372 5B SF Bay M/H612.40.9797 TriNum AP High523.11.1471 Predom. Dn Med558.61.0742 5B SF Bay High585.91.0240 TriNum W/L Low932.10.6437 Predom. Dn M/H504.11.1902 5B AP Low773.60.7756 TriNum W/L Med689.40.8703 Predom. Dn High466.61.2860 5B AP L/M629.60.9529 TriNum W/L Hig617.20.9721 ChiMac Up Low750.00.8000 5B AP Med566.21.0597 Predom. Upwind642.80.9335 ChiMac Up Med690.40.8690 5B AP M/H529.21.1338 Predom. Reaching569.21.0541 ChiMac Up High620.30.9673 5B AP High506.71.1841 Predom. Downwind597.51.0041 ChiMac Off Low736.20.8149 5B W/L Low1036.30.5790 Predom. Up Low835.10.7185 ChiMac Off Med657.90.9119 5B W/L L/M779.30.7699 Predom. Up L/M664.40.9031 ChiMac Off High563.61.0646 5B W/L Med680.00.8824 Predom. Up Med607.20.9881 ChiMac AP Low740.10.8107 5B W/L M/H625.20.9597 Predom. Up M/H577.71.0386 ChiMac AP Med672.10.8927 5B W/L High596.31.0061 Predom. Up High563.61.0645 ChiMac AP High590.81.0156 W/L 60-40 Low1037.90.5781 Predom. Rc Low752.60.7972 BayMac Cove Island842.40.7122 W/L 60-40 L/M789.00.7605 Predom. Rc L/M596.81.0053 BayMac Shore835.70.7180 W/L 60-40 Med696.30.8617 Predom. Rc Med539.41.1123 Harvest Moon510.61.1751 W/L 60-40 M/H647.60.9265 Predom. Rc M/H501.41.1968 5B SF Bay Low879.90.6819 W/L 60-40 High624.20.9612      SA/DSPL Up25.38SA/DSPL Dn47.61
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance620.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating620.90.9663
FinRating, kevyt tuuli1020.50.9799
FinRating, kova tuuli509.90.9806
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9663
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0485
Triple Number Coastal/Long Distance High1.1471
Triple Number Windward/Leeward Low0.6728
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High0.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
For information
General Purpose Handicap (GPH)637.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Saronikos S All Purpose640.40.9369
Saronikos S Upwind718.60.8350
Saronikos S Downwind544.41.1021
Saronikos N All Purpose673.60.8908
Saronikos N Upwind745.00.8054
Saronikos N Downwind594.51.0093
Saronikos SW All Purpose640.90.9361
Saronikos SW Upwind728.70.8234
Saronikos SW Downwind554.81.0816
Saronikos NE All Purpose693.50.8652
Saronikos NE Upwind700.80.8562
Saronikos NE Downwind662.40.9058
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose594.71.0088
5-Band All Purpose Low836.50.7172
5-Band All Purpose L/M651.00.9217
5-Band All Purpose Med582.11.0307
5-Band All Purpose M/H540.51.1102
5-Band All Purpose High515.11.1648
Single Number Predominant Upwind619.90.9680
Single Number Predominant Reaching550.91.0891
Single Number Predominant Downwind575.51.0426
5-Band 50-50 Windward/Leeward Low1036.30.5790
5-Band 50-50 Windward/Leeward L/M779.30.7699
5-Band 50-50 Windward/Leeward Med680.00.8824
5-Band 50-50 Windward/Leeward M/H625.20.9597
5-Band 50-50 Windward/Leeward High596.31.0061
5-Band 60-40 Windward/Leeward Low1037.90.5781
5-Band 60-40 Windward/Leeward L/M789.00.7605
5-Band 60-40 Windward/Leeward Med696.30.8617
5-Band 60-40 Windward/Leeward M/H647.60.9265
5-Band 60-40 Windward/Leeward High624.20.9612
Triple Number 50-50 Windward/Leeward Low932.10.6437
Triple Number 50-50 Windward/Leeward Med689.50.8702
Triple Number 50-50 Windward/Leeward High617.20.9721
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward709.90.8452
Triple Number 60-40 Windward/Leeward Low936.20.6409
Triple Number 60-40 Windward/Leeward Med704.90.8512
Triple Number 60-40 Windward/Leeward High640.90.9362
Triple Number All-Purpose Low760.20.7893
Triple Number All-Purpose Med588.81.0189
Triple Number All-Purpose High533.51.1247
Triple Number Predominant Upwind Low770.60.7786
Triple Number Predominant Upwind Med614.40.9766
Triple Number Predominant Upwind High580.71.0333
Triple Number Predominant Reaching Low692.00.8670
Triple Number Predominant Reaching Med553.61.0838
Triple Number Predominant Reaching High486.11.2344
Triple Number Predominant Downwind Low760.70.7887
Triple Number Predominant Downwind Med566.71.0588
Triple Number Predominant Downwind High483.01.2423
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low703.1
Triple Number Coastal/Long Distance Medium572.2
Triple Number Coastal/Long Distance High523.1
Triple Number Windward/Leeward Low891.8
Triple Number Windward/Leeward Medium689.4
Triple Number Windward/Leeward High617.2
Predominantly Upwind621.4
Predominantly Downwind574.5
Predominantly Reaching556.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0485
Triple Number Coastal/Long Distance High1.1471
Triple Number Windward/Leeward Low0.6728
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High0.9721
Coastal/Long Distance0.9663
Predominantly Upwind0.9656
Predominantly Downwind1.0445
For information
General Purpose Handicap (GPH)637.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0438
Distanseseilas Trippeltall svak vind0.8534
Distanseseilas Trippeltall mellomvind1.0485
Distanseseilas Trippeltall sterk vind1.1471
Pølsebane Trippeltall svak vind0.6728
Pølsebane Trippeltall mellomvind0.8703
Pølsebane Trippeltall sterk vind0.9721
Motvind Singeltall0.9656
Medvind Singeltall1.0445
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Coastal/Long Distance620.90.9663
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind621.40.9656
Predominantly Downwind574.51.0445
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore580.01.0344
Cape Doctor Coastal494.21.2140
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0485
Triple Number Coastal/Long Distance High1.1471
Triple Number Windward/Leeward Low0.6728
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High0.9721
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8534
Triple Number Coastal/Long Distance Medium1.0485
Triple Number Coastal/Long Distance High1.1471
Triple Number Windward/Leeward Low0.6728
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High0.9721
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Predominantly Upwind621.40.9656
Predominantly Downwind574.51.0445
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low703.10.8534
Triple Number Coastal/Long Distance Medium572.21.0485
Triple Number Coastal/Long Distance High523.11.1471
Triple Number Windward/Leeward Low891.80.6728
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1385.1977.8760.9654.0594.9560.8533.0487.4469.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP594.71.0088 Predom. Dn High466.61.2860 5B AP M/H529.21.1338 TriNum AP Low703.10.8534 Predom. Rc Low752.60.7972 5B AP High506.71.1841 TriNum AP Med572.31.0484 Predom. Rc L/M596.81.0053 5B SF Bay Low879.90.6819 TriNum AP High523.11.1471 Predom. Rc Med539.41.1123 5B SF Bay L/M745.50.8048 TriNum W/L Low932.10.6437 Predom. Rc M/H501.41.1968 5B SF Bay Med660.60.9083 TriNum W/L Med689.40.8703 Predom. Rc High476.11.2602 5B SF Bay M/H612.40.9797 TriNum W/L Hig617.20.9721 5B W/L Low1036.30.5790 5B SF Bay High585.91.0240 Predom. Upwind642.80.9335 5B W/L L/M779.30.7699 ChiMac Up Low750.00.8000 Predom. Reaching569.21.0541 5B W/L Med680.00.8824 ChiMac Up Med690.40.8690 Predom. Downwind597.51.0041 5B W/L M/H625.20.9597 ChiMac Up High620.30.9673 Predom. Up Low835.10.7185 5B W/L High596.31.0061 ChiMac Off Low736.20.8149 Predom. Up L/M664.40.9031 W/L 60-40 Low1037.90.5781 ChiMac Off Med657.90.9119 Predom. Up Med607.20.9881 W/L 60-40 L/M789.00.7605 ChiMac Off High563.61.0646 Predom. Up M/H577.71.0386 W/L 60-40 Med696.30.8617 ChiMac AP Low740.10.8107 Predom. Up High563.61.0645 W/L 60-40 M/H647.60.9265 ChiMac AP Med672.10.8927 Predom. Dn Low845.00.7100 W/L 60-40 High624.20.9612 ChiMac AP High590.81.0156 Predom. Dn L/M640.20.9372 5B AP Low773.60.7756 BayMac Cove Island842.40.7122 Predom. Dn Med558.61.0742 5B AP L/M629.60.9529 BayMac Shore835.70.7180 Predom. Dn M/H504.11.1902 5B AP Med566.21.0597 Harvest Moon510.61.1751      SA/DSPL Up25.38SA/DSPL Dn47.61
ORC Ref  03390004JIO Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
DANCE 7JPN 5657
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassYAMAHA 30S NMeasurementHINPlan reviewHull constructionSolidCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall8.988Maximum beam3.086Draft2.076Displacement3,600Wetted area19.02IMS L8.508LSM08.521Accomod. length8.988Sink (kg/mm) 13.94
VCGD-0.126VCGM-0.158 RM Rated (kg·m) 71.7Limit of positive stability(°) 130.3 Stability Index 129.4 BLR index 0.0000Default crew weight170 Declared crew weight 540
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.100IG12.170ISP13.850MDT10.096MDL10.154MDT2MDL2TLTaperMWGO
E4.300J3.520BAS1.630FSDFoilSFJ-0.004SPL3.720WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date28/03/2025
SFFP0.185FFMFF1.081LCFcl5.101SG
SAFP8.610FAMFA0.886LCFsh5.325HBI0.974
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03390004JIO Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
DANCE 7JPN 5657
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.150.951.632.763.6531.14
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.100.611.162.323.594.7612.11NoNo 28.74
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment113.7813.7813.787.166.7081.16
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
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.
ORC Ref  03390004JIO Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org