International
Certificate
2023

Boat

USUAL SUSPECTS

USA 398

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°40.8°39.3°37.6°37.0°36.6°37.0°
Beat VMG3.384.174.745.075.215.295.36
52°5.156.176.807.117.267.347.43
60°5.436.416.977.287.467.567.68
75°5.596.567.117.447.707.898.11
90°5.716.797.327.607.808.068.51
110°5.746.897.497.948.328.669.24
120°5.586.767.427.948.428.919.93
135°5.026.257.097.638.168.7110.19
150°4.255.416.387.047.457.818.61
Run VMG3.684.695.526.106.456.927.71
Gybe Angles143.5°147.4°148.7°149.8°149.8°173.9°175.7°

APH: 552.7

CDL: 9.227

GPH: 621.3

CertNo: US3980

BOAT
ClassJ 105DesignerJohnstoneBuilderTPIAge date06/2001Series date01/1991Offset fileH204+.offData fileUS3980
HULL
Length Overall10.570 mMaximum Beam3.346 mDraft2.015 mDisplacement4,067 kgDLR4.7668IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.383m
CREW
Maximum weight520 kgMinimum weight390 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.6634.36Headsail Luffed24.9124.91Headsail FlyingSymmetricAsymmetric88.9588.95 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.66Heavy Weather Jib20.66
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment95.7 kg·mStability Index110.1
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.

International
Certificate
2023

Boat

USUAL SUSPECTS

USA 398

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 VMG1065.4863.1758.9710.3691.1680.4672.3
52°698.5583.8529.7506.6496.2490.3484.4
60°663.0561.7516.2494.7482.8476.3469.0
75°643.8548.6506.6483.8467.7456.0443.8
90°630.5530.0491.5473.5461.8446.6422.9
110°626.9522.8480.8453.6432.5415.7389.8
120°644.7532.8485.1453.7427.3404.1362.5
135°716.6576.0508.0471.9441.2413.4353.4
150°847.0665.0564.4511.1483.2460.7418.3
Run VMG978.0767.8651.7590.2558.0520.5467.2
Selected Courses
Windward / Leeward1021.7815.5705.3650.2624.5600.5569.7
All purpose787.2641.3569.4532.9512.3495.1469.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward682.20.8795
All purpose552.71.0856
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7719
Downwind "popa"0.9264
70% up, 30% down "Ilhabela"0.8125
30% up, 70% down "Ilhabela-inverso"0.8739
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Predominantly Upwind598.81.0021
Predominantly Downwind560.01.0715
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low714.30.8400
Triple Number All Purpose Medium549.01.0929
Triple Number All Purpose High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Predominantly Upwind598.81.0021
Predominantly Downwind560.01.0715
Predominantly Upwind Low802.00.7482
Predominantly Upwind Medium617.70.9713
Predominantly Upwind High572.31.0484
Predominantly Downwind Low771.20.7780
Predominantly Downwind Medium556.21.0788
Predominantly Downwind High468.91.2796
Chicago-Mac Upwind0.9842
Chicago-Mac All Purpose1.0158
Chicago-Mac Downwind1.0538
Bayview-Mac Cove Island0.9405
Bayview-Mac Shore0.9482
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching524.21.1447
Predominantly Reaching Low643.40.9326
Predominantly Reaching Medium519.11.1559
Predominantly Reaching High454.91.3189
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1005.80.5965
5-Band Low / Medium837.10.7168
5-Band Medium664.80.9026
5-Band Medium / High603.60.9940
5-Band High575.11.0434
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance600.7
Triple Number Coastal/Long Distance Low714.3
Triple Number Coastal/Long Distance Medium549.0
Triple Number Coastal/Long Distance High489.7
Triple Number Windward/Leeward Low918.6
Triple Number Windward/Leeward Medium675.9
Triple Number Windward/Leeward High594.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8400
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2252
Triple Number Windward/Leeward Low0.6532
Triple Number Windward/Leeward Medium0.8877
Triple Number Windward/Leeward High1.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low714.3
Triple Number Coastal/Long Distance Medium549.0
Triple Number Coastal/Long Distance High489.7
Triple Number Windward/Leeward Low918.6
Triple Number Windward/Leeward Medium675.9
Triple Number Windward/Leeward High594.9
Predominantly Upwind598.8
Predominantly Downwind560.0
Predominantly Reaching536.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8400
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2252
Triple Number Windward/Leeward Low0.6532
Triple Number Windward/Leeward Medium0.8877
Triple Number Windward/Leeward High1.0085
Coastal/Long Distance0.9988
Predominantly Upwind1.0021
Predominantly Downwind1.0715
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8400
Tretall Distanseseilas Mellomvind1.0929
Tretall Distanseseilas Mye vind1.2252
Tretall Pølsebane Lite vind0.6532
Tretall Pølsebane Mellomvind0.8877
Tretall Pølsebane Mye vind1.0085
Distanseseilas ett tall (OSN 8-16kn)0.9988
Distanseseilas ett tall (APH 6-20kn)1.0856
Enkeltall Motvind1.0021
Enkeltall Medvind1.0715
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Coastal/Long Distance600.70.9988
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind598.81.0021
Predominantly Downwind560.01.0715
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore579.01.0363
Cape Doctor Coastal477.01.2580
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8400
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2252
Triple Number Windward/Leeward Low0.6532
Triple Number Windward/Leeward Medium0.8877
Triple Number Windward/Leeward High1.0085
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8400
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2252
Triple Number Windward/Leeward Low0.6532
Triple Number Windward/Leeward Medium0.8877
Triple Number Windward/Leeward High1.0085
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Predominantly Upwind598.81.0021
Predominantly Downwind560.01.0715
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance600.70.9988
Triple Number Coastal/Long Distance Low714.30.8400
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1017.3766.9638.3567.9532.0500.3448.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low714.30.8400
Triple Number All Purpose Medium549.01.0929
Triple Number All Purpose High489.71.2252
Triple Number Windward/Leeward Low918.60.6532
Triple Number Windward/Leeward Medium675.90.8877
Triple Number Windward/Leeward High594.91.0085
Predominantly Upwind598.81.0021
Predominantly Downwind560.01.0715
Predominantly Upwind Low802.00.7482
Predominantly Upwind Medium617.70.9713
Predominantly Upwind High572.31.0484
Predominantly Downwind Low771.20.7780
Predominantly Downwind Medium556.21.0788
Predominantly Downwind High468.91.2796
Chicago-Mac Upwind0.9842
Chicago-Mac All Purpose1.0158
Chicago-Mac Downwind1.0538
Bayview-Mac Cove Island0.9405
Bayview-Mac Shore0.9482
Harvest Moon Regatta479.81.2506
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy575.91.0418
San Francisco Bay Medium665.90.9010
Predominantly Reaching524.21.1447
Predominantly Reaching Low643.40.9326
Predominantly Reaching Medium519.11.1559
Predominantly Reaching High454.91.3189
Windward/Leeward 60-40 Low927.70.6467
Windward/Leeward 60-40 Medium695.90.8622
Windward/Leeward 60-40 High623.90.9617
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1005.80.5965
5-Band Low / Medium837.10.7168
5-Band Medium664.80.9026
5-Band Medium / High603.60.9940
5-Band High575.11.0434

International
Certificate
2023

Boat

USUAL SUSPECTS

USA 398

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105Measurement25/03/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.346Draft2.015Displacement4,067Wetted area23.03IMS L9.613LSM09.484Acc. length10.570Sink (kg/mm) 17.28
VCGD0.010VCGM-0.017RM Rated (kg·m) 95.7Limit of positive stability(°) 111.9Stability Index110.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.383PBW0.100PIPA0.0048
PSD0.025PHD0.068PHL0.115
PSA21.0°ESL0.813
ST10.020ST20.096ST30.100
ST40.055ST50.225
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.650IG12.370ISP12.750MDT10.103MDL10.151MDT20.103MDL20.075TL0.710MW0.172GO0.172
E4.450J4.110BAS1.540FSD0.030SFJSPLWPLTPS5.980BD0.130MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date25/03/2023MeasurerComment
SFFP0.966FFM1.073FF1.079LCFcl5.854SG1.0100
SAFP10.056FAM0.753FA0.757LCFsh6.094HBI0.907
W190.6W290.6W390.6W490.6LCFD6.457
PD1297.7PD2297.4PD3296.6PD4297.5
WD3.969PLM9000.00GSA1.0RSA1.0RM95.3
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1SS stbd setteeFuel45225.700.00Total deductible185.700.00
Total deductible

International
Certificate
2023

Boat

USUAL SUSPECTS

USA 398

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentClass Main0.160.931.672.883.7833.6606/04/2023179922
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentClass Jib0.080.561.042.013.074.1412.10YesNo 24.9106/04/2023Fusion AP 157990
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentClass spin15.0812.1313.617.568.9984%88.9506/04/202389m2