Club Certificate2025
JIU LING YUNCHN 50026
ORC
Central Rating Office
Issuing certificates for
CHINA
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°44.5°42.3°40.4°39.0°38.5°38.1°37.6°37.8°
Beat VMG3.084.255.145.645.916.086.186.326.34
52°4.886.567.698.208.438.568.658.788.83
60°5.306.977.988.448.658.788.889.049.12
75°5.617.258.158.618.899.079.229.469.64
90°5.497.138.108.628.989.279.519.8710.18
110°4.776.587.958.709.189.589.8610.3810.86
120°4.646.467.868.659.189.6710.1410.9211.65
135°3.955.737.278.258.859.369.9011.1513.09
150°3.374.806.087.288.198.749.1810.0811.37
Run VMG2.924.155.266.307.127.638.058.819.85
Gybe Angles141.8°141.8°145.3°146.0°151.9°154.1°158.2°159.5°143.8°
APH ToD:470.3CDL: 12.693APH ToT: 1.2758CertNo:
BOAT
ClassComet 51DesignerVallicelliBuilderAge date01/2015Series date01/2001Offset fileCOMET-51.offData fileCHN50026
HULL
Length Overall15.045 mMaximum Beam4.686 mDraft2.534 mDisplacement13,000 kgDLR5.9877IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.430m
CREW
Maximum weight1,275 kg(declared)Minimum weight1,084 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail77.0678.79Headsail Luffed118.38118.38Headsail FlyingSymmetricAsymmetric231.29231.29 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail22.59Storm Jib18.25Heavy Weather Jib49.25
SAIL LIMITS
Headsails7Spinnakers5
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
JIU LING YUNCHN 50026
ORC
Central Rating Office
Issuing certificates for
CHINA
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 VMG1170.4846.9700.0638.5608.6592.0582.2569.9568.2
52°737.0548.6468.0438.9426.9420.4416.2410.1407.6
60°679.0516.8451.2426.5416.1409.9405.5398.4394.8
75°641.2496.7441.6418.2405.1397.0390.6380.4373.3
90°656.2504.7444.7417.6401.0388.3378.6364.8353.8
110°754.1546.7453.0413.8392.0375.7365.0347.0331.5
120°775.1557.6458.2416.2392.1372.2355.2329.8309.1
135°911.6628.8495.2436.5407.0384.4363.8323.0275.1
150°1068.8750.8592.3494.6439.4412.0392.3357.1316.5
Run VMG1234.4866.9683.9571.1505.9471.7447.2408.7365.5
Selected Courses
Windward / Leeward1202.4856.9692.0604.8557.3531.8514.7489.3466.9
All purpose900.8653.3539.2484.3455.2437.7425.0405.0387.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward582.51.0301
All purpose470.31.2758
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9255
Downwind "popa"1.0618
70% up, 30% down "Ilhabela"0.9626
30% up, 70% down "Ilhabela-inverso"1.0169
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Predominantly Upwind504.71.1889
Predominantly Downwind480.11.2497
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low596.31.0063
Triple Number AP Medium467.61.2832
Triple Number AP High420.71.4263
Triple Number Windward/Leeward Low808.50.7421
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Single Number Predominant Upwind523.81.1454
Single Number Predominant Reaching465.11.2901
Single Number Predominant Downwind501.61.1962
Predominant Upwind - Low706.30.8495
Predominant Upwind - Low/Med547.41.0961
Predominant Upwind - Medium491.01.2221
Predominant Upwind - Med/High461.61.2999
Predominant Upwind - High445.41.3470
Predominant Downwind Low732.40.8192
Predominant Downwind Low/Med541.51.1081
Predominant Downwind Medium463.91.2935
Predominant Downwind Med/High417.21.4381
Predominant Downwind High385.61.5559
Predominant Reaching Low634.90.9450
Predominant Reaching Low/Med490.91.2222
Predominant Reaching Medium437.01.3729
Predominant Reaching Med/High404.01.4853
Predominant Reaching High381.21.5739
SA/DSPL Upwind35.05SA/DSPL Downwind55.30
Scoring OptionTODTOT
5-Band Windward/Leeward Low902.00.6652
5-Band Windward/Leeward Low/Med665.60.9014
5-Band Windward/Leeward Medium568.61.0552
5-Band Windward/Leeward Med/High516.91.1609
5-Band Windward/Leeward High489.81.2250
Windward/Leeward 60-40 Low899.80.6668
Windward/Leeward 60-40 Low/Med669.80.8958
Windward/Leeward 60-40 Medium578.11.0379
Windward/Leeward 60-40 Med/High530.31.1315
Windward/Leeward 60-40 High506.21.1853
5-Band AP Low658.60.9110
5-Band AP Low/Med524.31.1445
5-Band AP Medium461.61.2999
5-Band AP Med/High426.31.4075
5-Band AP High405.31.4803
5-Band SF Bay Tour - Low775.70.7735
5-Band SF Bay Tour - Low/Med634.20.9460
5-Band SF Bay Tour - Medium547.01.0969
5-Band SF Bay Tour - Med/High500.21.1994
5-Band SF Bay Tour - High474.61.2641
Chicago-Mac Upwind1.1129
Chicago-Mac All Purpose1.1376
Chicago-Mac Downwind1.1536
Bayview-Mac Cove Island0.8367
Bayview-Mac Shore0.8441
Harvest Moon Regatta409.51.4652
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance512.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating512.81.1700
FinRating, kevyt tuuli883.81.1315
FinRating, kova tuuli407.31.2275
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.1700
Triple Number Coastal/Long Distance Low1.0063
Triple Number Coastal/Long Distance Medium1.2833
Triple Number Coastal/Long Distance High1.4263
Triple Number Windward/Leeward Low0.7748
Triple Number Windward/Leeward Medium1.0381
Triple Number Windward/Leeward High1.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
For information
General Purpose Handicap (GPH)526.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low596.2
Triple Number Coastal/Long Distance Medium467.5
Triple Number Coastal/Long Distance High420.7
Triple Number Windward/Leeward Low774.4
Triple Number Windward/Leeward Medium578.0
Triple Number Windward/Leeward High509.5
Predominantly Upwind504.7
Predominantly Downwind480.1
Predominantly Reaching457.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0063
Triple Number Coastal/Long Distance Medium1.2833
Triple Number Coastal/Long Distance High1.4263
Triple Number Windward/Leeward Low0.7748
Triple Number Windward/Leeward Medium1.0381
Triple Number Windward/Leeward High1.1777
Coastal/Long Distance1.1700
Predominantly Upwind1.1889
Predominantly Downwind1.2497
For information
General Purpose Handicap (GPH)526.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.2758
Distanseseilas Trippeltall svak vind1.0063
Distanseseilas Trippeltall mellomvind1.2833
Distanseseilas Trippeltall sterk vind1.4263
Pølsebane Trippeltall svak vind0.7748
Pølsebane Trippeltall mellomvind1.0381
Pølsebane Trippeltall sterk vind1.1777
Motvind Singeltall1.1889
Medvind Singeltall1.2497
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Coastal/Long Distance512.81.1700
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind504.71.1889
Predominantly Downwind480.11.2497
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore473.61.2669
Cape Doctor Coastal392.41.5291
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0063
Triple Number Coastal/Long Distance Medium1.2833
Triple Number Coastal/Long Distance High1.4263
Triple Number Windward/Leeward Low0.7748
Triple Number Windward/Leeward Medium1.0381
Triple Number Windward/Leeward High1.1777
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0063
Triple Number Coastal/Long Distance Medium1.2833
Triple Number Coastal/Long Distance High1.4263
Triple Number Windward/Leeward Low0.7748
Triple Number Windward/Leeward Medium1.0381
Triple Number Windward/Leeward High1.1777
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Predominantly Upwind504.71.1889
Predominantly Downwind480.11.2497
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.81.1700
Triple Number Coastal/Long Distance Low596.21.0063
Triple Number Coastal/Long Distance Medium467.51.2833
Triple Number Coastal/Long Distance High420.71.4263
Triple Number Windward/Leeward Low774.40.7748
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1285.5857.9650.9545.6485.7454.2428.9388.6371.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low596.31.0063
Triple Number AP Medium467.61.2832
Triple Number AP High420.71.4263
Triple Number Windward/Leeward Low808.50.7421
Triple Number Windward/Leeward Medium578.01.0381
Triple Number Windward/Leeward High509.51.1777
Single Number Predominant Upwind523.81.1454
Single Number Predominant Reaching465.11.2901
Single Number Predominant Downwind501.61.1962
Predominant Upwind - Low706.30.8495
Predominant Upwind - Low/Med547.41.0961
Predominant Upwind - Medium491.01.2221
Predominant Upwind - Med/High461.61.2999
Predominant Upwind - High445.41.3470
Predominant Downwind Low732.40.8192
Predominant Downwind Low/Med541.51.1081
Predominant Downwind Medium463.91.2935
Predominant Downwind Med/High417.21.4381
Predominant Downwind High385.61.5559
Predominant Reaching Low634.90.9450
Predominant Reaching Low/Med490.91.2222
Predominant Reaching Medium437.01.3729
Predominant Reaching Med/High404.01.4853
Predominant Reaching High381.21.5739
SA/DSPL Upwind35.05SA/DSPL Downwind55.30
Scoring OptionTODTOT
5-Band Windward/Leeward Low902.00.6652
5-Band Windward/Leeward Low/Med665.60.9014
5-Band Windward/Leeward Medium568.61.0552
5-Band Windward/Leeward Med/High516.91.1609
5-Band Windward/Leeward High489.81.2250
Windward/Leeward 60-40 Low899.80.6668
Windward/Leeward 60-40 Low/Med669.80.8958
Windward/Leeward 60-40 Medium578.11.0379
Windward/Leeward 60-40 Med/High530.31.1315
Windward/Leeward 60-40 High506.21.1853
5-Band AP Low658.60.9110
5-Band AP Low/Med524.31.1445
5-Band AP Medium461.61.2999
5-Band AP Med/High426.31.4075
5-Band AP High405.31.4803
5-Band SF Bay Tour - Low775.70.7735
5-Band SF Bay Tour - Low/Med634.20.9460
5-Band SF Bay Tour - Medium547.01.0969
5-Band SF Bay Tour - Med/High500.21.1994
5-Band SF Bay Tour - High474.61.2641
Chicago-Mac Upwind1.1129
Chicago-Mac All Purpose1.1376
Chicago-Mac Downwind1.1536
Bayview-Mac Cove Island0.8367
Bayview-Mac Shore0.8441
Harvest Moon Regatta409.51.4652
Club Certificate2025
JIU LING YUNCHN 50026
ORC
Central Rating Office
Issuing certificates for
CHINA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassComet 51MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA15.045Max. Beam4.686Draft2.534Displacement13,000Wetted area45.16IMS L13.347LSM012.947Acc. length15.045Sink (kg/mm) 34.35
VCGD-0.155VCGM-0.068RM Rated (kg·m) 447.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight995Declared crew weight1,275
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.430PBWPIPA0.0187
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders3Rotating mastNo
P18.700IG19.100ISP20.350MDT10.155MDL10.280MDT2MDL2TLTaperMWGO
E6.900J5.920BAS1.820FSDFoilSFJ0.600SPL0.000WPLTPS6.930BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered447.2Flotation Date01/01/2013
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
JIU LING YUNCHN 50026
ORC
Central Rating Office
Issuing certificates for
CHINA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC1.452.614.4077.06* Auto Added *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment01.503.005.9011.7020.05NoNo 118.38ORC1.011.833.436.3418.55NoNo 61.37
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment022.1519.0620.6113.2414.3992%231.29
CRUISER/RACER REQUIREMENTS*
Accommodation length15.0 mTable area0.77 m²Headroom1.90 mMinimum number of berths7Personal gear stowage0.28 m³Fresh water capacity315 lMinimum number of seats in cockpit7Food stowage0.42 m³Fuel capacity150 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.