Club
Certificate
2023

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
Beat Angles43.0°41.4°39.4°37.2°36.4°36.3°36.3°
Beat VMG3.384.174.765.145.325.415.49
52°5.166.196.827.167.357.457.56
60°5.436.437.007.327.547.677.83
75°5.596.587.137.487.778.018.29
90°5.696.797.357.677.888.168.70
110°5.746.897.528.028.458.819.41
120°5.576.757.437.988.539.0710.15
135°5.006.237.077.638.188.7710.28
150°4.235.386.357.027.447.828.65
Run VMG3.664.665.506.086.446.907.71
Gybe Angles143.5°147.5°148.7°149.6°149.8°173.9°174.8°

APH: 549.5

CDL: 9.398

GPH: 618.8

CertNo: US6910

BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date07/2001Series date07/1991Offset fileH204+.OFFData fileUS423
HULL
Length Overall10.570 mMaximum Beam3.346 mDraft2.001 mDisplacement3,893 kgDLR4.4865IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight689 kgMinimum weight517 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
2023

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
Beat VMG1064.2863.1756.4699.9677.0665.1655.3
52°697.7582.0528.1502.8490.1483.4476.1
60°662.6559.6514.6491.7477.5469.1459.9
75°643.5547.1505.1481.5463.1449.2434.3
90°632.2530.1490.0469.6457.1441.2413.9
110°627.5522.4479.0449.0425.9408.5382.5
120°645.9533.4484.7450.9422.3397.0354.7
135°719.6578.1508.9472.1439.9410.3350.2
150°850.9668.6567.1512.5483.9460.5416.1
Run VMG982.6772.0654.8591.8558.8521.4466.8
Selected Courses
Windward / Leeward1023.4817.6705.6645.8617.9593.2561.1
All purpose788.3642.0568.9529.3506.8488.5461.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward678.70.8840
All purpose549.51.0920
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7805
Downwind "popa"0.9234
70% up, 30% down "Ilhabela"0.8185
30% up, 70% down "Ilhabela-inverso"0.8754
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Predominantly Upwind594.61.0091
Predominantly Downwind559.31.0729
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low715.10.8390
Triple Number All Purpose Medium546.31.0983
Triple Number All Purpose High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Predominantly Upwind594.61.0091
Predominantly Downwind559.31.0729
Predominantly Upwind Low802.20.7479
Predominantly Upwind Medium612.60.9795
Predominantly Upwind High561.51.0686
Predominantly Downwind Low773.70.7755
Predominantly Downwind Medium556.51.0781
Predominantly Downwind High466.61.2859
Chicago-Mac Upwind0.9902
Chicago-Mac All Purpose1.0193
Chicago-Mac Downwind1.0547
Bayview-Mac Cove Island0.9422
Bayview-Mac Shore0.9510
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching521.71.1500
Predominantly Reaching Low644.40.9311
Predominantly Reaching Medium517.61.1592
Predominantly Reaching High449.71.3343
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1007.60.5955
5-Band Low / Medium838.20.7158
5-Band Medium661.10.9076
5-Band Medium / High596.51.0059
5-Band High566.61.0589
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance597.5
Triple Number Coastal/Long Distance Low715.1
Triple Number Coastal/Long Distance Medium546.3
Triple Number Coastal/Long Distance High482.8
Triple Number Windward/Leeward Low920.5
Triple Number Windward/Leeward Medium673.1
Triple Number Windward/Leeward High587.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8390
Triple Number Coastal/Long Distance Medium1.0983
Triple Number Coastal/Long Distance High1.2427
Triple Number Windward/Leeward Low0.6518
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low715.1
Triple Number Coastal/Long Distance Medium546.3
Triple Number Coastal/Long Distance High482.8
Triple Number Windward/Leeward Low920.5
Triple Number Windward/Leeward Medium673.1
Triple Number Windward/Leeward High587.3
Predominantly Upwind594.6
Predominantly Downwind559.3
Predominantly Reaching534.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8390
Triple Number Coastal/Long Distance Medium1.0983
Triple Number Coastal/Long Distance High1.2427
Triple Number Windward/Leeward Low0.6518
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0216
Coastal/Long Distance1.0041
Predominantly Upwind1.0091
Predominantly Downwind1.0729
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8390
Tretall Distanseseilas Mellomvind1.0983
Tretall Distanseseilas Mye vind1.2427
Tretall Pølsebane Lite vind0.6518
Tretall Pølsebane Mellomvind0.8914
Tretall Pølsebane Mye vind1.0216
Distanseseilas ett tall (OSN 8-16kn)1.0041
Distanseseilas ett tall (APH 6-20kn)1.0920
Enkeltall Motvind1.0091
Enkeltall Medvind1.0729
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Coastal/Long Distance597.51.0041
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind594.61.0091
Predominantly Downwind559.31.0729
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore570.71.0513
Cape Doctor Coastal469.31.2785
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8390
Triple Number Coastal/Long Distance Medium1.0983
Triple Number Coastal/Long Distance High1.2427
Triple Number Windward/Leeward Low0.6518
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0216
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8390
Triple Number Coastal/Long Distance Medium1.0983
Triple Number Coastal/Long Distance High1.2427
Triple Number Windward/Leeward Low0.6518
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0216
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Predominantly Upwind594.61.0091
Predominantly Downwind559.31.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance597.51.0041
Triple Number Coastal/Long Distance Low715.10.8390
Triple Number Coastal/Long Distance Medium546.31.0983
Triple Number Coastal/Long Distance High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1019.3768.6638.2563.9526.3493.6440.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low715.10.8390
Triple Number All Purpose Medium546.31.0983
Triple Number All Purpose High482.81.2427
Triple Number Windward/Leeward Low920.50.6518
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High587.31.0216
Predominantly Upwind594.61.0091
Predominantly Downwind559.31.0729
Predominantly Upwind Low802.20.7479
Predominantly Upwind Medium612.60.9795
Predominantly Upwind High561.51.0686
Predominantly Downwind Low773.70.7755
Predominantly Downwind Medium556.51.0781
Predominantly Downwind High466.61.2859
Chicago-Mac Upwind0.9902
Chicago-Mac All Purpose1.0193
Chicago-Mac Downwind1.0547
Bayview-Mac Cove Island0.9422
Bayview-Mac Shore0.9510
Harvest Moon Regatta476.31.2598
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy567.81.0566
San Francisco Bay Medium663.20.9047
Predominantly Reaching521.71.1500
Predominantly Reaching Low644.40.9311
Predominantly Reaching Medium517.61.1592
Predominantly Reaching High449.71.3343
Windward/Leeward 60-40 Low929.10.6458
Windward/Leeward 60-40 Medium691.30.8679
Windward/Leeward 60-40 High613.60.9779
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1007.60.5955
5-Band Low / Medium838.20.7158
5-Band Medium661.10.9076
5-Band Medium / High596.51.0059
5-Band High566.61.0589

Club
Certificate
2023

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. Beam3.346Draft2.001Displacement3,893Wetted area22.97IMS L9.693LSM09.537Acc. length10.570Sink (kg/mm) 17.32
VCGD-0.078VCGM-0.093RM Rated (kg·m) 100.4Limit of positive stability(°) N/AStability IndexN/A
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 FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/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 methodVCG entered directlyVCG entered-0.078Flotation Date01/01/2020MeasurerComment
SFFP0.966FFMFF1.135LCFcl6.011SG1.0230
SAFP10.056FAMFA0.729LCFsh6.245HBI0.933
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2023

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