Double HandedClub Certificate2025
PantherGBR 8876T
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 Angles43.0°43.0°41.0°39.7°38.6°38.2°37.9°38.0°39.1°
Beat VMG2.423.374.154.674.945.075.145.205.12
52°3.765.136.146.757.037.167.247.327.32
60°4.005.396.386.947.227.377.467.577.58
75°4.165.586.547.097.407.637.807.998.09
90°4.195.706.767.227.457.748.008.408.65
110°4.305.866.977.547.968.258.508.979.24
120°4.185.746.897.518.008.478.899.5710.31
135°3.685.186.407.207.738.268.8310.3812.52
150°3.054.365.536.507.187.658.119.1511.70
Run VMG2.643.784.795.636.246.687.077.9210.14
Gybe Angles142.9°142.9°146.9°149.8°152.3°155.8°157.2°147.4°142.7°
APH ToD:553.6CDL: 9.001APH ToT: 1.0838CertNo:
BOAT
ClassJ-105DesignerJohnstoneBuilderJ-boats FranceAge date09/2004Series date01/1991Offset filej105.offData fileGBR8876T
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.023 mDisplacement4,219 kgDLR4.7480IMS DivisionPerformanceDynamic Allowance0.190%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.374m
CREW
Maximum weight170 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.6633.26Headsail Luffed26.1926.19Headsail FlyingSymmetricAsymmetric93.9093.90 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.78Storm Jib7.62Heavy Weather Jib20.57
SAIL LIMITS
Headsails5Spinnakers4
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.
Double HandedClub Certificate2025
PantherGBR 8876T
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 VMG1490.41066.9867.8771.3728.1710.0700.0692.9702.6
52°957.8702.2586.5533.7512.1502.7497.1491.6491.9
60°900.7667.4564.2518.7498.8488.3482.5475.8474.8
75°865.5645.7550.2508.0486.3471.8461.5450.3444.9
90°858.9631.4532.5498.5483.2465.3449.9428.6416.2
110°836.5614.2516.5477.6452.2436.5423.5401.2389.8
120°860.7626.9522.6479.7449.8424.9404.9376.0349.2
135°978.1695.0562.2500.3465.7435.8407.8346.8287.5
150°1180.9825.6651.4553.7501.5470.7443.7393.5307.6
Run VMG1364.0953.3752.1639.3576.8539.3509.3454.4355.2
Selected Courses
Windward / Leeward1426.91010.1810.0705.3652.4624.7604.7573.7528.9
All purpose1083.6779.4637.7569.8535.3514.3498.2472.8446.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward682.40.8793
All purpose553.61.0838
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7585
Downwind "popa"0.9493
70% up, 30% down "Ilhabela"0.8072
30% up, 70% down "Ilhabela-inverso"0.8827
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Predominantly Upwind603.80.9937
Predominantly Downwind555.31.0805
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low708.50.8468
Triple Number AP Medium550.11.0907
Triple Number AP High492.71.2177
Triple Number Windward/Leeward Low951.30.6307
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Single Number Predominant Upwind629.30.9534
Single Number Predominant Reaching549.11.0927
Single Number Predominant Downwind578.01.0381
Predominant Upwind - Low870.60.6892
Predominant Upwind - Low/Med661.20.9074
Predominant Upwind - Medium585.21.0253
Predominant Upwind - Med/High547.81.0954
Predominant Upwind - High528.61.1351
Predominant Downwind Low841.30.7131
Predominant Downwind Low/Med624.40.9609
Predominant Downwind Medium537.41.1164
Predominant Downwind Med/High480.71.2483
Predominant Downwind High435.31.3782
Predominant Reaching Low760.30.7892
Predominant Reaching Low/Med581.31.0321
Predominant Reaching Medium515.31.1643
Predominant Reaching Med/High472.41.2700
Predominant Reaching High440.71.3614
SA/DSPL Upwind22.44SA/DSPL Downwind48.24
Scoring OptionTODTOT
5-Band Windward/Leeward Low1064.30.5637
5-Band Windward/Leeward Low/Med779.30.7699
5-Band Windward/Leeward Medium665.70.9013
5-Band Windward/Leeward Med/High606.80.9888
5-Band Windward/Leeward High571.31.0503
Windward/Leeward 60-40 Low1076.10.5576
Windward/Leeward 60-40 Low/Med791.90.7577
Windward/Leeward 60-40 Medium680.90.8812
Windward/Leeward 60-40 Med/High626.00.9584
Windward/Leeward 60-40 High596.21.0064
5-Band AP Low781.40.7678
5-Band AP Low/Med619.50.9685
5-Band AP Medium542.91.1052
5-Band AP Med/High499.81.2005
5-Band AP High472.61.2696
5-Band SF Bay Tour - Low918.40.6533
5-Band SF Bay Tour - Low/Med746.30.8039
5-Band SF Bay Tour - Medium642.00.9346
5-Band SF Bay Tour - Med/High587.51.0212
5-Band SF Bay Tour - High554.91.0813
Chicago-Mac Upwind0.9251
Chicago-Mac All Purpose0.9644
Chicago-Mac Downwind1.0009
Bayview-Mac Cove Island0.7055
Bayview-Mac Shore0.7096
Harvest Moon Regatta478.71.2534
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance601.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9977
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0908
Triple Number Coastal/Long Distance High1.2177
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High1.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
For information
General Purpose Handicap (GPH)620.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low708.5
Triple Number Coastal/Long Distance Medium550.1
Triple Number Coastal/Long Distance High492.7
Triple Number Windward/Leeward Low910.1
Triple Number Windward/Leeward Medium676.2
Triple Number Windward/Leeward High598.0
Predominantly Upwind603.8
Predominantly Downwind555.3
Predominantly Reaching535.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0908
Triple Number Coastal/Long Distance High1.2177
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High1.0033
Coastal/Long Distance0.9977
Predominantly Upwind0.9937
Predominantly Downwind1.0805
For information
General Purpose Handicap (GPH)620.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0838
Distanseseilas Trippeltall svak vind0.8468
Distanseseilas Trippeltall mellomvind1.0908
Distanseseilas Trippeltall sterk vind1.2177
Pølsebane Trippeltall svak vind0.6593
Pølsebane Trippeltall mellomvind0.8873
Pølsebane Trippeltall sterk vind1.0033
Motvind Singeltall0.9937
Medvind Singeltall1.0805
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Coastal/Long Distance601.40.9977
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind603.80.9937
Predominantly Downwind555.31.0805
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore542.31.1064
Cape Doctor Coastal454.11.3213
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0908
Triple Number Coastal/Long Distance High1.2177
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High1.0033
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0908
Triple Number Coastal/Long Distance High1.2177
Triple Number Windward/Leeward Low0.6593
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High1.0033
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Predominantly Upwind603.80.9937
Predominantly Downwind555.31.0805
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.40.9977
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium550.11.0908
Triple Number Coastal/Long Distance High492.71.2177
Triple Number Windward/Leeward Low910.10.6593
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1505.71004.4761.5638.4570.8533.5502.4452.8425.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low708.50.8468
Triple Number AP Medium550.11.0907
Triple Number AP High492.71.2177
Triple Number Windward/Leeward Low951.30.6307
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High598.01.0033
Single Number Predominant Upwind629.30.9534
Single Number Predominant Reaching549.11.0927
Single Number Predominant Downwind578.01.0381
Predominant Upwind - Low870.60.6892
Predominant Upwind - Low/Med661.20.9074
Predominant Upwind - Medium585.21.0253
Predominant Upwind - Med/High547.81.0954
Predominant Upwind - High528.61.1351
Predominant Downwind Low841.30.7131
Predominant Downwind Low/Med624.40.9609
Predominant Downwind Medium537.41.1164
Predominant Downwind Med/High480.71.2483
Predominant Downwind High435.31.3782
Predominant Reaching Low760.30.7892
Predominant Reaching Low/Med581.31.0321
Predominant Reaching Medium515.31.1643
Predominant Reaching Med/High472.41.2700
Predominant Reaching High440.71.3614
SA/DSPL Upwind22.44SA/DSPL Downwind48.24
Scoring OptionTODTOT
5-Band Windward/Leeward Low1064.30.5637
5-Band Windward/Leeward Low/Med779.30.7699
5-Band Windward/Leeward Medium665.70.9013
5-Band Windward/Leeward Med/High606.80.9888
5-Band Windward/Leeward High571.31.0503
Windward/Leeward 60-40 Low1076.10.5576
Windward/Leeward 60-40 Low/Med791.90.7577
Windward/Leeward 60-40 Medium680.90.8812
Windward/Leeward 60-40 Med/High626.00.9584
Windward/Leeward 60-40 High596.21.0064
5-Band AP Low781.40.7678
5-Band AP Low/Med619.50.9685
5-Band AP Medium542.91.1052
5-Band AP Med/High499.81.2005
5-Band AP High472.61.2696
5-Band SF Bay Tour - Low918.40.6533
5-Band SF Bay Tour - Low/Med746.30.8039
5-Band SF Bay Tour - Medium642.00.9346
5-Band SF Bay Tour - Med/High587.51.0212
5-Band SF Bay Tour - High554.91.0813
Chicago-Mac Upwind0.9251
Chicago-Mac All Purpose0.9644
Chicago-Mac Downwind1.0009
Bayview-Mac Cove Island0.7055
Bayview-Mac Shore0.7096
Harvest Moon Regatta478.71.2534
Double HandedClub Certificate2025
PantherGBR 8876T
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-105Measurement11/05/1999HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.344Draft2.023Displacement4,219Wetted area23.51IMS L9.589LSM09.613Acc. length10.570Sink (kg/mm) 17.66
VCGD-0.100VCGM-0.135RM Rated (kg·m) 108.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight170
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.374PBW0.097PIPA0.0045
PSD0.025PHD0.070PHL0.115
PSA17.0°ESL0.900
ST10.020ST20.090ST30.090
ST40.049ST50.190
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P12.550IG12.330ISP13.950MDT10.110MDL10.177MDT20.110MDL20.177TL0.000MW0.177GO0.181
E4.450J4.110BAS1.550FSDFoilSFJSPLWPLTPS5.610BD0.131MWT97.10MCG4.520
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date24/04/2016
SFFP0.966FFM1.082FF1.083LCFcl5.936SG1.0220
SAFP10.056FAM0.737FA0.738LCFsh6.173HBI0.912
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
PantherGBR 8876T
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM20.220.881.602.803.6932.6626/04/2016
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20240.080.611.142.203.224.1612.12NoNo 26.19
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment115.8513.0514.457.867.55104%93.90