International
Certificate
2023

Boat

VELOCITY

USA 145

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 Angles44.2°41.1°40.6°38.8°37.8°37.5°39.3°
Beat VMG4.094.985.565.986.196.326.54
52°6.337.518.138.619.029.319.71
60°6.767.918.519.069.549.8610.36
75°7.148.249.169.7810.3010.7211.49
90°7.128.259.2910.3211.0011.6112.63
110°6.708.039.1110.3511.4512.3414.22
120°6.387.879.0010.2211.2512.4614.81
135°5.647.278.399.4810.7512.0714.99
150°4.756.077.348.359.2810.3812.91
Run VMG4.125.266.367.238.048.9911.18
Gybe Angles143.0°145.1°145.6°149.6°147.6°146.5°138.9°

APH: 449.1

CDL: 11.885

GPH: 509.8

CertNo: US7589

BOAT
ClassMach 40.3DesignerManuardBuilderJPSAge date06/2016Series date01/2015Offset fileCLASS40-USA145.offData fileUSA145-40
HULL
Length Overall12.210 mMaximum Beam4.502 mDraft2.997 mDisplacement4,636 kgDLR3.1042IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.260%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight375 kgMinimum weight281 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail63.1264.67Headsail Luffed50.4350.43Headsail Flying79.9279.92SymmetricAsymmetric194.70194.70 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail14.54Storm Jib12.42Heavy Weather Jib33.52
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment372.2 kg·mStability Index118.6
COMMENTS
James Allsopp
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  04560002S83Issued on 08/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

VELOCITY

USA 145

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 VMG880.0722.5647.9602.1582.0569.7550.8
52°568.9479.2442.8418.1398.9386.6370.7
60°532.6455.3423.0397.2377.2365.0347.4
75°504.1436.9392.9368.1349.6336.0313.2
90°505.7436.4387.6348.8327.3310.0284.9
110°537.5448.1395.0347.9314.3291.8253.2
120°564.4457.5399.9352.1320.0289.0243.1
135°638.1495.2429.3379.9334.8298.3240.1
150°757.5593.2490.3431.1388.0346.9278.9
Run VMG874.7685.0566.1497.8448.0400.6322.0
Selected Courses
Windward / Leeward877.4703.7607.0549.9515.0485.1436.4
All purpose665.6543.8477.1433.3404.3380.7343.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward574.01.0454
All purpose449.11.3359
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9221
Downwind "popa"1.1069
70% up, 30% down "Ilhabela"0.9707
30% up, 70% down "Ilhabela-inverso"1.0441
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Predominantly Upwind492.61.2179
Predominantly Downwind459.31.3062
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low604.70.9922
Triple Number All Purpose Medium449.81.3338
Triple Number All Purpose High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Predominantly Upwind492.61.2179
Predominantly Downwind459.31.3062
Predominantly Upwind Low671.60.8933
Predominantly Upwind Medium512.81.1699
Predominantly Upwind High457.31.3120
Predominantly Downwind Low671.10.8941
Predominantly Downwind Medium460.51.3029
Predominantly Downwind High346.41.7323
Chicago-Mac Upwind1.1919
Chicago-Mac All Purpose1.2340
Chicago-Mac Downwind1.2771
Bayview-Mac Cove Island1.1380
Bayview-Mac Shore1.1547
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching418.21.4346
Predominantly Reaching Low541.81.1075
Predominantly Reaching Medium419.51.4303
Predominantly Reaching High335.21.7898
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low864.00.6945
5-Band Low / Medium720.00.8333
5-Band Medium561.01.0694
5-Band Medium / High487.41.2309
5-Band High444.91.3487
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance494.5
Triple Number Coastal/Long Distance Low604.7
Triple Number Coastal/Long Distance Medium449.8
Triple Number Coastal/Long Distance High372.6
Triple Number Windward/Leeward Low790.5
Triple Number Windward/Leeward Medium573.1
Triple Number Windward/Leeward High474.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9922
Triple Number Coastal/Long Distance Medium1.3338
Triple Number Coastal/Long Distance High1.6105
Triple Number Windward/Leeward Low0.7590
Triple Number Windward/Leeward Medium1.0470
Triple Number Windward/Leeward High1.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low604.7
Triple Number Coastal/Long Distance Medium449.8
Triple Number Coastal/Long Distance High372.6
Triple Number Windward/Leeward Low790.5
Triple Number Windward/Leeward Medium573.1
Triple Number Windward/Leeward High474.3
Predominantly Upwind492.6
Predominantly Downwind459.3
Predominantly Reaching431.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9922
Triple Number Coastal/Long Distance Medium1.3338
Triple Number Coastal/Long Distance High1.6105
Triple Number Windward/Leeward Low0.7590
Triple Number Windward/Leeward Medium1.0470
Triple Number Windward/Leeward High1.2649
Coastal/Long Distance1.2134
Predominantly Upwind1.2179
Predominantly Downwind1.3062
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9922
Tretall Distanseseilas Mellomvind1.3338
Tretall Distanseseilas Mye vind1.6105
Tretall Pølsebane Lite vind0.7590
Tretall Pølsebane Mellomvind1.0470
Tretall Pølsebane Mye vind1.2649
Distanseseilas ett tall (OSN 8-16kn)1.2134
Distanseseilas ett tall (APH 6-20kn)1.3359
Enkeltall Motvind1.2179
Enkeltall Medvind1.3062
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Coastal/Long Distance494.51.2134
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind492.61.2179
Predominantly Downwind459.31.3062
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore451.11.3302
Cape Doctor Coastal354.51.6926
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9922
Triple Number Coastal/Long Distance Medium1.3338
Triple Number Coastal/Long Distance High1.6105
Triple Number Windward/Leeward Low0.7590
Triple Number Windward/Leeward Medium1.0470
Triple Number Windward/Leeward High1.2649
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9922
Triple Number Coastal/Long Distance Medium1.3338
Triple Number Coastal/Long Distance High1.6105
Triple Number Windward/Leeward Low0.7590
Triple Number Windward/Leeward Medium1.0470
Triple Number Windward/Leeward High1.2649
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Predominantly Upwind492.61.2179
Predominantly Downwind459.31.3062
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance494.51.2134
Triple Number Coastal/Long Distance Low604.70.9922
Triple Number Coastal/Long Distance Medium449.81.3338
Triple Number Coastal/Long Distance High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance877.1660.1542.8467.2422.6383.3319.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low604.70.9922
Triple Number All Purpose Medium449.81.3338
Triple Number All Purpose High372.61.6105
Triple Number Windward/Leeward Low790.50.7590
Triple Number Windward/Leeward Medium573.11.0470
Triple Number Windward/Leeward High474.31.2649
Predominantly Upwind492.61.2179
Predominantly Downwind459.31.3062
Predominantly Upwind Low671.60.8933
Predominantly Upwind Medium512.81.1699
Predominantly Upwind High457.31.3120
Predominantly Downwind Low671.10.8941
Predominantly Downwind Medium460.51.3029
Predominantly Downwind High346.41.7323
Chicago-Mac Upwind1.1919
Chicago-Mac All Purpose1.2340
Chicago-Mac Downwind1.2771
Bayview-Mac Cove Island1.1380
Bayview-Mac Shore1.1547
Harvest Moon Regatta364.81.6448
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy458.71.3082
San Francisco Bay Medium561.81.0680
Predominantly Reaching418.21.4346
Predominantly Reaching Low541.81.1075
Predominantly Reaching Medium419.51.4303
Predominantly Reaching High335.21.7898
Windward/Leeward 60-40 Low792.70.7569
Windward/Leeward 60-40 Medium589.91.0172
Windward/Leeward 60-40 High505.41.1871
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low864.00.6945
5-Band Low / Medium720.00.8333
5-Band Medium561.01.0694
5-Band Medium / High487.41.2309
5-Band High444.91.3487
ORC Ref  04560002S83Issued on 08/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

VELOCITY

USA 145

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMach 40.3Measurement11/05/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.210Max. Beam4.502Draft2.997Displacement4,636Wetted area35.30IMS L11.469LSM011.430Acc. length12.210Sink (kg/mm) 29.06
VCGD-0.929VCGM-0.899RM Rated (kg·m) 372.2Limit of positive stability(°) 121.8Stability Index118.6BLR index1.1530
Water ballast weight750Water ballast LCG7.01Water ballast VCG0.69Water ballast TCG1.91
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.381PBW0.110PIPA0.0037
EDL1.400ST10.042ST20.180
ST30.180ST40.112ST50.330
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P16.707IG15.757ISP17.912MDT10.150MDL10.240MDT20.145MDL20.190TL2.050MW0.240GO0.240
E4.970J5.700BAS1.100FSD0.000SFJ0.110SPLWPLTPS7.800BD0.215MWT179.00MCG6.582
Flying Headsail Foretriangles IdISPTPS216.0007.800117.9127.800
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date11/05/2023MeasurerComment
SFFP1.030FFM1.220FF1.224LCFcl7.406SG1.0050
SAFP12.070FAM0.770FA0.774LCFsh7.709HBI0.960
W1223.0W2223.0W3223.0W4223.0LCFD7.567
PD1226.3PD2227.6PD3227.5PD4223.5
WD4.919PLM9000.00GSA1.0RSA1.0RM381.9
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGFwdMovableFwd water ballast3105.770.691.79AftMovableAft water ballast4407.890.692.00Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAPVC tank on centerlineFuel42208.300.00Total deductible178.300.00
Total deductible
ORC Ref  04560002S83Issued on 08/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

VELOCITY

USA 145

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain2.202.443.053.974.6063.12
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ00.011.172.264.456.547.6318.91NoYes179.9222/04/2023J10.080.791.573.044.506.0516.60YesNo 50.4331/05/2023Solent0.100.681.272.493.755.0512.62YesNo 31.8226/04/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA220.9617.6719.3212.0212.4097%194.7017/05/2023A517.5215.6616.598.2911.0075%122.1031/05/2023OUS152492001
ORC Ref  04560002S83Issued on 08/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org