Club
Certificate
2023

Boat

SEALARK

USA 349

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°41.2°39.3°37.2°36.4°36.3°36.1°
Beat VMG3.414.204.795.155.325.415.49
52°5.206.226.847.177.357.447.56
60°5.486.477.027.347.557.677.82
75°5.866.847.297.537.798.028.28
90°6.107.057.557.918.168.358.70
110°5.916.957.538.048.518.969.73
120°5.616.767.437.998.539.0710.20
135°5.016.237.087.638.198.7810.29
150°4.245.396.367.037.457.838.66
Run VMG3.674.675.506.096.456.927.72
Gybe Angles143.5°147.4°148.7°149.6°149.8°173.9°175.3°

APH: 546.1

CDL: 9.417

GPH: 614.0

CertNo: US6952

BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date07/1995Series date07/1991Offset fileH204+.OFFData fileUS6952
HULL
Length Overall10.570 mMaximum Beam3.346 mDraft2.001 mDisplacement3,893 kgDLR4.4865IMS DivisionPerformanceDynamic Allowance0.190%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight680 kgMinimum weight510 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail34.0234.78Headsail Luffed25.5825.58Headsail FlyingSymmetricAsymmetric88.9888.98 (3 asymmetric(s) 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.
ORC Ref  04560002QHPIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SEALARK

USA 349

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 VMG1055.3856.9751.9698.4677.2665.6656.0
52°691.9578.4526.1502.0490.1483.6476.5
60°657.2556.6513.0490.7477.1469.3460.3
75°614.3526.2493.6478.1462.2448.8434.6
90°590.0510.8477.1455.2441.0430.9413.6
110°609.5517.8478.1448.0423.2402.0370.1
120°641.4532.9484.4450.6422.0396.8352.8
135°718.5577.4508.5471.7439.5410.0349.7
150°849.6667.7566.4512.1483.5460.0415.5
Run VMG981.1771.0654.0591.3558.3520.6466.1
Selected Courses
Windward / Leeward1018.2813.9703.0644.8617.7593.1561.0
All purpose776.7635.7565.2526.9504.8486.8459.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward677.30.8859
All purpose546.11.0986
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7834
Downwind "popa"0.9246
70% up, 30% down "Ilhabela"0.8210
30% up, 70% down "Ilhabela-inverso"0.8772
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Predominantly Upwind590.91.0154
Predominantly Downwind556.21.0788
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low706.20.8496
Triple Number All Purpose Medium543.21.1046
Triple Number All Purpose High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Predominantly Upwind590.91.0154
Predominantly Downwind556.21.0788
Predominantly Upwind Low794.30.7553
Predominantly Upwind Medium609.20.9849
Predominantly Upwind High560.71.0702
Predominantly Downwind Low768.60.7806
Predominantly Downwind Medium554.31.0825
Predominantly Downwind High465.11.2901
Chicago-Mac Upwind0.9966
Chicago-Mac All Purpose1.0263
Chicago-Mac Downwind1.0605
Bayview-Mac Cove Island0.9502
Bayview-Mac Shore0.9583
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching515.41.1642
Predominantly Reaching Low632.60.9485
Predominantly Reaching Medium511.71.1727
Predominantly Reaching High446.41.3442
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1002.40.5985
5-Band Low / Medium834.50.7190
5-Band Medium659.80.9093
5-Band Medium / High596.21.0063
5-Band High566.61.0590
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance595.0
Triple Number Coastal/Long Distance Low706.2
Triple Number Coastal/Long Distance Medium543.2
Triple Number Coastal/Long Distance High481.2
Triple Number Windward/Leeward Low916.0
Triple Number Windward/Leeward Medium671.5
Triple Number Windward/Leeward High587.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8496
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2469
Triple Number Windward/Leeward Low0.6550
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low706.2
Triple Number Coastal/Long Distance Medium543.2
Triple Number Coastal/Long Distance High481.2
Triple Number Windward/Leeward Low916.0
Triple Number Windward/Leeward Medium671.5
Triple Number Windward/Leeward High587.2
Predominantly Upwind590.9
Predominantly Downwind556.2
Predominantly Reaching529.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8496
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2469
Triple Number Windward/Leeward Low0.6550
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0218
Coastal/Long Distance1.0084
Predominantly Upwind1.0154
Predominantly Downwind1.0788
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8496
Tretall Distanseseilas Mellomvind1.1046
Tretall Distanseseilas Mye vind1.2469
Tretall Pølsebane Lite vind0.6550
Tretall Pølsebane Mellomvind0.8935
Tretall Pølsebane Mye vind1.0218
Distanseseilas ett tall (OSN 8-16kn)1.0084
Distanseseilas ett tall (APH 6-20kn)1.0986
Enkeltall Motvind1.0154
Enkeltall Medvind1.0788
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Coastal/Long Distance595.01.0084
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind590.91.0154
Predominantly Downwind556.21.0788
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore570.61.0515
Cape Doctor Coastal467.91.2823
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8496
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2469
Triple Number Windward/Leeward Low0.6550
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0218
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8496
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2469
Triple Number Windward/Leeward Low0.6550
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0218
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Predominantly Upwind590.91.0154
Predominantly Downwind556.21.0788
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.01.0084
Triple Number Coastal/Long Distance Low706.20.8496
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.5764.5635.2561.7524.1492.0439.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low706.20.8496
Triple Number All Purpose Medium543.21.1046
Triple Number All Purpose High481.21.2469
Triple Number Windward/Leeward Low916.00.6550
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High587.21.0218
Predominantly Upwind590.91.0154
Predominantly Downwind556.21.0788
Predominantly Upwind Low794.30.7553
Predominantly Upwind Medium609.20.9849
Predominantly Upwind High560.71.0702
Predominantly Downwind Low768.60.7806
Predominantly Downwind Medium554.31.0825
Predominantly Downwind High465.11.2901
Chicago-Mac Upwind0.9966
Chicago-Mac All Purpose1.0263
Chicago-Mac Downwind1.0605
Bayview-Mac Cove Island0.9502
Bayview-Mac Shore0.9583
Harvest Moon Regatta472.21.2707
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy567.61.0570
San Francisco Bay Medium661.40.9071
Predominantly Reaching515.41.1642
Predominantly Reaching Low632.60.9485
Predominantly Reaching Medium511.71.1727
Predominantly Reaching High446.41.3442
Windward/Leeward 60-40 Low924.00.6493
Windward/Leeward 60-40 Medium689.50.8702
Windward/Leeward 60-40 High613.60.9778
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1002.40.5985
5-Band Low / Medium834.50.7190
5-Band Medium659.80.9093
5-Band Medium / High596.21.0063
5-Band High566.61.0590
ORC Ref  04560002QHPIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SEALARK

USA 349

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 L9.691LSM09.537Acc. 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
ORC Ref  04560002QHPIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SEALARK

USA 349

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-220.181.692.8834.0219/12/2022OUS150214-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentClass Jib-220.082.024.2012.13YesNo 25.5819/12/2022OUS150214-002
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-2115.1012.1413.627.559.0084%88.9802/12/2021OUS144621-003A2b-2115.0812.1313.617.548.9984%88.7715/03/2021OUS141582-002A3-1313.9812.0813.036.298.2576%72.5602/02/2013
ORC Ref  04560002QHPIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org