Club
Certificate
Double Handed
2024

Boat

SOUTHBOUND

USA 423

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.9°40.8°39.4°38.4°37.9°37.8°38.5°39.4°
Beat VMG3.464.244.734.965.075.145.195.08
52°5.256.276.817.057.167.247.317.30
60°5.526.507.017.257.387.467.567.57
75°5.716.677.177.477.687.838.028.09
90°5.736.787.227.527.848.108.488.70
110°5.836.947.517.948.238.498.999.33
120°5.686.857.488.008.498.929.6410.39
135°5.116.367.187.748.308.9210.5512.65
150°4.315.496.477.147.577.989.1711.84
Run VMG3.734.755.606.196.566.997.9410.26
Gybe Angles143.2°146.9°148.9°150.1°149.0°173.5°142.9°142.3°
APH ToD:552.3CDL: 8.987APH ToT: 1.0865CertNo:US6910
BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date07/2001Series date07/1991Offset fileJ105.offData fileUS423DH
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.002 mDisplacement3,899 kgDLR4.4935IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight131 kg(declared)Minimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail33.7134.42Headsail Luffed24.9624.96Headsail FlyingSymmetricAsymmetric89.4489.44 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.62Heavy Weather Jib20.57
SAIL LIMITS
Headsails5  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
Certificate
Double Handed
2024

Boat

SOUTHBOUND

USA 423

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1040.8849.0761.5726.1709.4700.4693.8709.3
52°685.8574.5528.7510.8502.6497.5492.2493.3
60°651.9553.4513.7496.6487.9482.3476.0475.7
75°630.4540.1502.4482.2468.5459.6449.0444.7
90°628.4531.4498.9478.4459.3444.3424.4413.8
110°617.9518.6479.3453.5437.6424.1400.6386.0
120°633.6525.9481.4450.0424.0403.7373.4346.6
135°705.1566.1501.1465.1433.7403.8341.2284.7
150°835.3656.1556.3503.9475.3450.9392.6304.0
Run VMG964.5757.6642.4581.8548.8515.2453.3351.0
Selected Courses
Windward / Leeward1002.6803.3702.0654.0629.1607.8573.6530.2
All purpose773.7632.8567.4534.7514.7498.8471.6445.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward682.30.8794
All purpose552.31.0865
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7663
Downwind "popa"0.9409
70% up, 30% down "Ilhabela"0.8115
30% up, 70% down "Ilhabela-inverso"0.8807
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Predominantly Upwind600.20.9997
Predominantly Downwind555.21.0807
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low703.30.8531
Triple Number AP Medium548.81.0932
Triple Number AP High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Single Number Predominant Upwind599.01.0016
Single Number Predominant Reaching526.61.1393
Single Number Predominant Downwind556.11.0790
Predominant Upwind - Low782.10.7671
Predominant Upwind - Low/Med654.30.9170
Predominant Upwind - Medium582.81.0295
Predominant Upwind - Med/High547.11.0967
Predominant Upwind - High528.21.1359
Predominant Downwind Low766.00.7833
Predominant Downwind Low/Med624.90.9602
Predominant Downwind Medium537.91.1155
Predominant Downwind Med/High480.31.2491
Predominant Downwind High433.21.3851
Predominant Reaching Low691.10.8682
Predominant Reaching Low/Med579.41.0355
Predominant Reaching Medium513.41.1687
Predominant Reaching Med/High469.91.2770
Predominant Reaching High438.01.3698
SA/DSPL Upwind23.58SA/DSPL Downwind49.49
Scoring OptionTODTOT
5-Band Windward/Leeward Low957.40.6267
5-Band Windward/Leeward Low/Med774.90.7743
5-Band Windward/Leeward Medium666.30.9004
5-Band Windward/Leeward Med/High609.50.9844
5-Band Windward/Leeward High572.01.0490
Windward/Leeward 60-40 Low965.30.6215
Windward/Leeward 60-40 Low/Med785.50.7638
Windward/Leeward 60-40 Medium680.50.8817
Windward/Leeward 60-40 Med/High628.20.9551
Windward/Leeward 60-40 High597.11.0048
5-Band AP Low741.70.8089
5-Band AP Low/Med616.00.9740
5-Band AP Medium541.91.1072
5-Band AP Med/High499.91.2003
5-Band AP High471.91.2715
5-Band SF Bay Tour - Low910.50.6590
5-Band SF Bay Tour - Low/Med741.40.8093
5-Band SF Bay Tour - Medium641.70.9350
5-Band SF Bay Tour - Med/High589.21.0183
5-Band SF Bay Tour - High555.21.0807
Chicago-Mac Upwind0.9822
Chicago-Mac All Purpose1.0189
Chicago-Mac Downwind1.0627
Bayview-Mac Cove Island0.9479
Bayview-Mac Shore0.9545
Harvest Moon Regatta477.21.2574
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance600.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.0933
Triple Number Coastal/Long Distance High1.2181
Triple Number Windward/Leeward Low0.6645
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High0.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low703.3
Triple Number Coastal/Long Distance Medium548.8
Triple Number Coastal/Long Distance High492.6
Triple Number Windward/Leeward Low902.9
Triple Number Windward/Leeward Medium676.2
Triple Number Windward/Leeward High600.3
Predominantly Upwind600.2
Predominantly Downwind555.2
Predominantly Reaching533.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.0933
Triple Number Coastal/Long Distance High1.2181
Triple Number Windward/Leeward Low0.6645
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High0.9995
Coastal/Long Distance1.0000
Predominantly Upwind0.9997
Predominantly Downwind1.0807
For information
General Purpose Handicap (GPH)618.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8531
Tretall Distanseseilas Mellomvind1.0933
Tretall Distanseseilas Mye vind1.2181
Tretall Pølsebane Lite vind0.6645
Tretall Pølsebane Mellomvind0.8873
Tretall Pølsebane Mye vind0.9995
Distanseseilas ett tall1.0865
Enkeltall Motvind0.9997
Enkeltall Medvind1.0807
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Coastal/Long Distance600.01.0000
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind600.20.9997
Predominantly Downwind555.21.0807
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore543.21.1046
Cape Doctor Coastal453.61.3227
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.0933
Triple Number Coastal/Long Distance High1.2181
Triple Number Windward/Leeward Low0.6645
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High0.9995
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.0933
Triple Number Coastal/Long Distance High1.2181
Triple Number Windward/Leeward Low0.6645
Triple Number Windward/Leeward Medium0.8873
Triple Number Windward/Leeward High0.9995
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Predominantly Upwind600.20.9997
Predominantly Downwind555.21.0807
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.01.0000
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium548.81.0933
Triple Number Coastal/Long Distance High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance998.8755.9635.8570.5534.2503.1451.2424.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low703.30.8531
Triple Number AP Medium548.81.0932
Triple Number AP High492.61.2181
Triple Number Windward/Leeward Low902.90.6645
Triple Number Windward/Leeward Medium676.20.8873
Triple Number Windward/Leeward High600.30.9995
Single Number Predominant Upwind599.01.0016
Single Number Predominant Reaching526.61.1393
Single Number Predominant Downwind556.11.0790
Predominant Upwind - Low782.10.7671
Predominant Upwind - Low/Med654.30.9170
Predominant Upwind - Medium582.81.0295
Predominant Upwind - Med/High547.11.0967
Predominant Upwind - High528.21.1359
Predominant Downwind Low766.00.7833
Predominant Downwind Low/Med624.90.9602
Predominant Downwind Medium537.91.1155
Predominant Downwind Med/High480.31.2491
Predominant Downwind High433.21.3851
Predominant Reaching Low691.10.8682
Predominant Reaching Low/Med579.41.0355
Predominant Reaching Medium513.41.1687
Predominant Reaching Med/High469.91.2770
Predominant Reaching High438.01.3698
SA/DSPL Upwind23.58SA/DSPL Downwind49.49
Scoring OptionTODTOT
5-Band Windward/Leeward Low957.40.6267
5-Band Windward/Leeward Low/Med774.90.7743
5-Band Windward/Leeward Medium666.30.9004
5-Band Windward/Leeward Med/High609.50.9844
5-Band Windward/Leeward High572.01.0490
Windward/Leeward 60-40 Low965.30.6215
Windward/Leeward 60-40 Low/Med785.50.7638
Windward/Leeward 60-40 Medium680.50.8817
Windward/Leeward 60-40 Med/High628.20.9551
Windward/Leeward 60-40 High597.11.0048
5-Band AP Low741.70.8089
5-Band AP Low/Med616.00.9740
5-Band AP Medium541.91.1072
5-Band AP Med/High499.91.2003
5-Band AP High471.91.2715
5-Band SF Bay Tour - Low910.50.6590
5-Band SF Bay Tour - Low/Med741.40.8093
5-Band SF Bay Tour - Medium641.70.9350
5-Band SF Bay Tour - Med/High589.21.0183
5-Band SF Bay Tour - High555.21.0807
Chicago-Mac Upwind0.9822
Chicago-Mac All Purpose1.0189
Chicago-Mac Downwind1.0627
Bayview-Mac Cove Island0.9479
Bayview-Mac Shore0.9545
Harvest Moon Regatta477.21.2574

Club
Certificate
Double Handed
2024

Boat

SOUTHBOUND

USA 423

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105Measurement01/01/2020HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.344Draft2.002Displacement3,899Wetted area22.98IMS L9.514LSM09.537Acc. length10.570Sink (kg/mm) 17.31
VCGD-0.124VCGM-0.139RM Rated (kg·m) 103.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight643Declared crew weight131
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.098PIPA0.0031
PSD0.025PHD0.049PHL0.138
PSA16.5°ESL0.915
ST10.019ST20.092ST30.092
ST40.046ST50.186
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.650IG12.223ISP12.604MDT10.101MDL10.165MDT20.101MDL20.101TL1.899MW0.165GO0.205
E4.450J4.131BAS1.552FSD0.029SFJ0.000SPL0.000WPLTPS5.820BD0.129MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered103.5Flotation Date01/01/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
Double Handed
2024

Boat

SOUTHBOUND

USA 423

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentQ-Class Main0.160.931.682.893.7833.7117/02/2022Sail ID: 167631
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentQ-Class Jib0.080.561.042.023.074.1512.10NoNo 24.9617/05/2022Sail ID: 167632
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentQ-A215.1312.0913.617.967.59105%89.4417/02/2022Sail ID: 167633