Double HandedClub Certificate2026
BASICJPN 3387
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 Angles44.7°41.6°39.6°38.2°37.7°37.6°37.9°38.6°41.1°
Beat VMG2.783.804.424.704.814.874.904.894.69
52°4.315.686.386.646.756.826.866.906.83
60°4.605.936.566.826.947.017.077.127.10
75°4.816.106.706.997.187.307.407.537.58
90°4.716.026.707.067.327.547.738.018.20
110°4.225.766.677.137.477.737.958.388.89
120°4.055.596.567.087.497.908.318.909.20
135°3.504.996.106.807.267.728.229.5311.02
150°2.894.195.316.246.867.317.778.9010.61
Run VMG2.503.634.605.446.136.687.117.989.21
Gybe Angles138.6°144.2°149.4°154.7°162.6°170.0°176.3°170.2°153.7°
APH ToD:568.1CDL: 8.223APH ToT: 1.0562CertNo:260260
BOAT
ClassSEAM 31DesignerI.YOKOYAMABuilderTSUBOI YACHTAge date08/1999Series date06/1999Offset fileJCBIY89.OFFData fileJC260260
HULL
Length Overall9.500 mMaximum Beam3.238 mDraft2.000 mDisplacement3,167 kgDLR5.5318IMS DivisionPerformanceDynamic 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)
MeasuredRatedMainsail35.0235.93Headsail Luffed26.9926.99Headsail FlyingSymmetric61.4761.47Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail10.02Storm Jib7.20Heavy Weather Jib19.44
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 69.6 kg·m Stability Index 116.5
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  03390004N3S Issued on 26/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
BASICJPN 3387
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 VMG1295.5946.7814.0766.3747.8739.5734.1735.7767.2
52°835.4633.7564.3542.0533.0528.1524.5521.7526.9
60°783.2607.2548.6528.0519.0513.7509.6505.3507.3
75°747.7590.5537.3514.8501.3493.4486.8478.0475.2
90°763.9597.8537.6510.2491.6477.1465.6449.3439.2
110°852.5624.9539.6505.3481.7465.6452.7429.8404.9
120°889.8644.6548.9508.8480.5455.6433.0404.4391.4
135°1029.0722.1590.2529.8495.6466.5437.9377.9326.8
150°1245.9859.6677.5576.9525.2492.6463.5404.4339.2
Run VMG1438.6992.6782.3661.7586.9539.0506.0451.3390.8
Selected Courses
Windward / Leeward1367.0969.7798.1714.0667.4639.2620.1593.5579.0
All purpose1028.4748.4634.6583.1554.5536.0521.4498.1483.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward690.80.8685
All purpose568.11.0562
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7658
Downwind "popa"0.9293
70% up, 30% down "Ilhabela"0.8085
30% up, 70% down "Ilhabela-inverso"0.8733
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Predominantly Upwind613.00.9788
Predominantly Downwind571.11.0506
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP588.11.0202 Predom. Rc High466.81.2852 5B SF Bay L/M738.60.8123 TriNum AP Low691.50.8677 Predom. Dn Low843.90.7110 5B SF Bay Med657.00.9132 TriNum AP Med566.11.0598 Predom. Dn L/M638.60.9396 5B SF Bay M/H609.30.9847 TriNum AP High516.31.1621 Predom. Dn Med555.41.0803 5B SF Bay High583.81.0278 TriNum W/L Low923.80.6495 Predom. Dn M/H498.41.2039 5B AP Low761.50.7879 TriNum W/L Med686.80.8736 Predom. Dn High457.51.3116 5B AP L/M621.40.9656 TriNum W/L Hig614.90.9758 ChiMac Up Low731.50.8202 5B AP Med560.11.0713 Predom. Upwind633.00.9479 ChiMac Up Med677.10.8861 5B AP M/H522.71.1479 Predom. Reaching560.11.0713 ChiMac Up High612.40.9798 5B AP High499.71.2008 Predom. Downwind593.91.0103 ChiMac Off Low734.80.8166 5B W/L Low1026.10.5847 Predom. Up Low808.90.7417 ChiMac Off Med655.50.9153 5B W/L L/M774.40.7748 Predom. Up L/M651.30.9212 ChiMac Off High559.51.0725 5B W/L Med677.30.8858 Predom. Up Med600.40.9993 ChiMac AP Low729.40.8226 5B W/L M/H622.80.9634 Predom. Up M/H573.21.0468 ChiMac AP Med663.60.9041 5B W/L High595.61.0074 Predom. Up High560.31.0709 ChiMac AP High584.41.0267 W/L 60-40 Low1021.00.5876 Predom. Rc Low735.90.8154 BayMac Cove Island831.80.7213 W/L 60-40 L/M780.90.7683 Predom. Rc L/M587.31.0216 BayMac Shore823.90.7282 W/L 60-40 Med692.60.8662 Predom. Rc Med532.31.1271 Harvest Moon500.81.1980 W/L 60-40 M/H645.50.9295 Predom. Rc M/H494.21.2142 5B SF Bay Low866.90.6921 W/L 60-40 High624.70.9605      SA/DSPL Up28.65SA/DSPL Dn44.57
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance615.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating615.00.9756
FinRating, kevyt tuuli1009.40.9907
FinRating, kova tuuli503.10.9939
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9756
Triple Number Coastal/Long Distance Low0.8677
Triple Number Coastal/Long Distance Medium1.0599
Triple Number Coastal/Long Distance High1.1621
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.8736
Triple Number Windward/Leeward High0.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
For information
General Purpose Handicap (GPH)628.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Saronikos S All Purpose628.40.9549
Saronikos S Upwind700.00.8571
Saronikos S Downwind540.51.1102
Saronikos N All Purpose663.50.9043
Saronikos N Upwind724.20.8285
Saronikos N Downwind593.01.0118
Saronikos SW All Purpose625.30.9595
Saronikos SW Upwind704.80.8513
Saronikos SW Downwind549.41.0922
Saronikos NE All Purpose682.70.8788
Saronikos NE Upwind679.00.8837
Saronikos NE Downwind661.20.9074
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose588.11.0202
5-Band All Purpose Low821.80.7301
5-Band All Purpose L/M643.10.9331
5-Band All Purpose Med576.71.0404
5-Band All Purpose M/H535.11.1213
5-Band All Purpose High508.81.1792
Single Number Predominant Upwind611.20.9817
Single Number Predominant Reaching543.11.1047
Single Number Predominant Downwind572.51.0480
5-Band 50-50 Windward/Leeward Low1026.10.5847
5-Band 50-50 Windward/Leeward L/M774.40.7748
5-Band 50-50 Windward/Leeward Med677.30.8858
5-Band 50-50 Windward/Leeward M/H622.80.9634
5-Band 50-50 Windward/Leeward High595.61.0074
5-Band 60-40 Windward/Leeward Low1021.00.5876
5-Band 60-40 Windward/Leeward L/M780.90.7683
5-Band 60-40 Windward/Leeward Med692.60.8662
5-Band 60-40 Windward/Leeward M/H645.50.9295
5-Band 60-40 Windward/Leeward High624.70.9605
Triple Number 50-50 Windward/Leeward Low923.80.6495
Triple Number 50-50 Windward/Leeward Med686.80.8736
Triple Number 50-50 Windward/Leeward High614.90.9758
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward705.60.8504
Triple Number 60-40 Windward/Leeward Low922.50.6504
Triple Number 60-40 Windward/Leeward Med701.00.8560
Triple Number 60-40 Windward/Leeward High639.10.9388
Triple Number All-Purpose Low748.00.8021
Triple Number All-Purpose Med583.41.0285
Triple Number All-Purpose High527.81.1368
Triple Number Predominant Upwind Low749.90.8001
Triple Number Predominant Upwind Med607.10.9883
Triple Number Predominant Upwind High576.61.0407
Triple Number Predominant Reaching Low678.10.8848
Triple Number Predominant Reaching Med546.61.0977
Triple Number Predominant Reaching High478.21.2548
Triple Number Predominant Downwind Low758.80.7908
Triple Number Predominant Downwind Med564.21.0634
Triple Number Predominant Downwind High476.31.2598
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low691.5
Triple Number Coastal/Long Distance Medium566.1
Triple Number Coastal/Long Distance High516.3
Triple Number Windward/Leeward Low883.9
Triple Number Windward/Leeward Medium686.8
Triple Number Windward/Leeward High614.9
Predominantly Upwind613.0
Predominantly Downwind571.1
Predominantly Reaching550.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8677
Triple Number Coastal/Long Distance Medium1.0599
Triple Number Coastal/Long Distance High1.1621
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.8736
Triple Number Windward/Leeward High0.9758
Coastal/Long Distance0.9756
Predominantly Upwind0.9788
Predominantly Downwind1.0506
For information
General Purpose Handicap (GPH)628.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0562
Distanseseilas Trippeltall svak vind0.8677
Distanseseilas Trippeltall mellomvind1.0599
Distanseseilas Trippeltall sterk vind1.1621
Pølsebane Trippeltall svak vind0.6788
Pølsebane Trippeltall mellomvind0.8736
Pølsebane Trippeltall sterk vind0.9758
Motvind Singeltall0.9788
Medvind Singeltall1.0506
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Coastal/Long Distance615.00.9756
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind613.00.9788
Predominantly Downwind571.11.0506
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore583.31.0286
Cape Doctor Coastal488.11.2292
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8677
Triple Number Coastal/Long Distance Medium1.0599
Triple Number Coastal/Long Distance High1.1621
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.8736
Triple Number Windward/Leeward High0.9758
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8677
Triple Number Coastal/Long Distance Medium1.0599
Triple Number Coastal/Long Distance High1.1621
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.8736
Triple Number Windward/Leeward High0.9758
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Predominantly Upwind613.00.9788
Predominantly Downwind571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low691.50.8677
Triple Number Coastal/Long Distance Medium566.11.0599
Triple Number Coastal/Long Distance High516.31.1621
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium686.80.8736
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1374.2972.0754.1649.8590.3555.4525.3476.4462.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP588.11.0202 Predom. Dn High457.51.3116 5B AP M/H522.71.1479 TriNum AP Low691.50.8677 Predom. Rc Low735.90.8154 5B AP High499.71.2008 TriNum AP Med566.11.0598 Predom. Rc L/M587.31.0216 5B SF Bay Low866.90.6921 TriNum AP High516.31.1621 Predom. Rc Med532.31.1271 5B SF Bay L/M738.60.8123 TriNum W/L Low923.80.6495 Predom. Rc M/H494.21.2142 5B SF Bay Med657.00.9132 TriNum W/L Med686.80.8736 Predom. Rc High466.81.2852 5B SF Bay M/H609.30.9847 TriNum W/L Hig614.90.9758 5B W/L Low1026.10.5847 5B SF Bay High583.81.0278 Predom. Upwind633.00.9479 5B W/L L/M774.40.7748 ChiMac Up Low731.50.8202 Predom. Reaching560.11.0713 5B W/L Med677.30.8858 ChiMac Up Med677.10.8861 Predom. Downwind593.91.0103 5B W/L M/H622.80.9634 ChiMac Up High612.40.9798 Predom. Up Low808.90.7417 5B W/L High595.61.0074 ChiMac Off Low734.80.8166 Predom. Up L/M651.30.9212 W/L 60-40 Low1021.00.5876 ChiMac Off Med655.50.9153 Predom. Up Med600.40.9993 W/L 60-40 L/M780.90.7683 ChiMac Off High559.51.0725 Predom. Up M/H573.21.0468 W/L 60-40 Med692.60.8662 ChiMac AP Low729.40.8226 Predom. Up High560.31.0709 W/L 60-40 M/H645.50.9295 ChiMac AP Med663.60.9041 Predom. Dn Low843.90.7110 W/L 60-40 High624.70.9605 ChiMac AP High584.41.0267 Predom. Dn L/M638.60.9396 5B AP Low761.50.7879 BayMac Cove Island831.80.7213 Predom. Dn Med555.41.0803 5B AP L/M621.40.9656 BayMac Shore823.90.7282 Predom. Dn M/H498.41.2039 5B AP Med560.11.0713 Harvest Moon500.81.1980      SA/DSPL Up28.65SA/DSPL Dn44.57
ORC Ref  03390004N3S Issued on 26/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
BASICJPN 3387
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSEAM 31MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.500Maximum beam3.238Draft2.000Displacement3,167Wetted area17.84IMS L8.471LSM08.302Accomod. length9.500Sink (kg/mm) 13.91
VCGD-0.054VCGM-0.056 RM Rated (kg·m) 69.6Limit of positive stability(°) 121.3 Stability Index 116.5 BLR index 0.0000Default crew weight170 Declared crew weight 0
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
P12.500IG12.000ISP12.000MDT10.100MDL10.156MDT2MDL2TLTaperMWGO
E4.580J3.460BAS1.600FSDFoilSFJ0.000SPL3.494WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/08/1999
SFFP0.350FFM1.155FF1.163LCFcl5.214SG
SAFP8.921FAM0.865FA0.870LCFsh5.461HBI1.020
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03390004N3S Issued on 26/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
BASICJPN 3387
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.221.081.883.043.8735.02* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.080.601.142.293.454.6611.67NoNo 26.9930/05/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS111.8611.8611.866.226.2261.47S211.6011.6011.606.396.1961.3813/01/2023
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03390004N3S Issued on 26/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org