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°40.8°39.4°38.4°37.6°37.0°38.8°
Beat VMG4.155.035.596.016.216.346.56
52°6.417.578.178.659.049.329.72
60°6.847.968.589.089.559.8710.36
75°7.228.319.239.8410.3310.7211.48
90°7.208.329.3810.3911.0411.6512.65
110°6.778.099.1910.4411.5212.3814.27
120°6.447.929.0610.2911.2712.5514.84
135°5.737.328.429.5310.8212.1515.02
150°4.836.157.398.389.3210.4313.03
Run VMG4.185.336.407.268.079.0311.28
Gybe Angles143.0°145.1°146.5°149.6°147.4°146.5°139.0°

APH: 446.5

CDL: 11.939

GPH: 506.1

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)
MeasuredRatedMainsail63.4765.01Headsail Luffed50.4350.43Headsail Flying79.9280.09SymmetricAsymmetric194.70194.70 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail14.62Storm Jib12.53Heavy Weather Jib33.81
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment374.1 kg·mStability Index119.0
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  04560002NBTIssued on 31/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © 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 VMG867.3716.1644.3599.5579.8567.7548.8
52°561.7475.4440.4416.2398.4386.2370.4
60°526.1452.1419.7396.5376.8364.9347.4
75°498.3433.1390.1365.8348.6335.8313.5
90°499.8432.7383.7346.6326.2308.9284.7
110°531.4444.8391.7344.9312.5290.7252.3
120°559.2454.6397.2349.9319.4286.9242.5
135°628.7492.0427.4377.9332.9296.4239.6
150°746.0585.1487.1429.6386.4345.3276.3
Run VMG861.4675.6562.5496.1446.1398.7319.0
Selected Courses
Windward / Leeward864.4695.9603.4547.8513.0483.2433.9
All purpose656.6538.6474.1431.2402.9379.3341.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward570.41.0518
All purpose446.51.3439
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9285
Downwind "popa"1.1172
70% up, 30% down "Ilhabela"0.9780
30% up, 70% down "Ilhabela-inverso"1.0530
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Predominantly Upwind489.81.2251
Predominantly Downwind456.31.3149
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low597.61.0040
Triple Number All Purpose Medium447.41.3412
Triple Number All Purpose High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Predominantly Upwind489.81.2251
Predominantly Downwind456.31.3149
Predominantly Upwind Low663.80.9039
Predominantly Upwind Medium510.21.1759
Predominantly Upwind High456.01.3159
Predominantly Downwind Low662.40.9059
Predominantly Downwind Medium457.81.3105
Predominantly Downwind High344.61.7410
Chicago-Mac Upwind1.1992
Chicago-Mac All Purpose1.2422
Chicago-Mac Downwind1.2858
Bayview-Mac Cove Island1.1483
Bayview-Mac Shore1.1646
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching415.71.4433
Predominantly Reaching Low535.91.1195
Predominantly Reaching Medium417.01.4388
Predominantly Reaching High334.11.7957
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low851.40.7047
5-Band Low / Medium712.10.8426
5-Band Medium558.21.0749
5-Band Medium / High485.31.2362
5-Band High442.41.3561
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance491.4
Triple Number Coastal/Long Distance Low597.6
Triple Number Coastal/Long Distance Medium447.4
Triple Number Coastal/Long Distance High371.2
Triple Number Windward/Leeward Low780.1
Triple Number Windward/Leeward Medium570.0
Triple Number Windward/Leeward High472.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0040
Triple Number Coastal/Long Distance Medium1.3412
Triple Number Coastal/Long Distance High1.6164
Triple Number Windward/Leeward Low0.7691
Triple Number Windward/Leeward Medium1.0527
Triple Number Windward/Leeward High1.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low597.6
Triple Number Coastal/Long Distance Medium447.4
Triple Number Coastal/Long Distance High371.2
Triple Number Windward/Leeward Low780.1
Triple Number Windward/Leeward Medium570.0
Triple Number Windward/Leeward High472.1
Predominantly Upwind489.8
Predominantly Downwind456.3
Predominantly Reaching428.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0040
Triple Number Coastal/Long Distance Medium1.3412
Triple Number Coastal/Long Distance High1.6164
Triple Number Windward/Leeward Low0.7691
Triple Number Windward/Leeward Medium1.0527
Triple Number Windward/Leeward High1.2708
Coastal/Long Distance1.2211
Predominantly Upwind1.2251
Predominantly Downwind1.3149
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0040
Tretall Distanseseilas Mellomvind1.3412
Tretall Distanseseilas Mye vind1.6164
Tretall Pølsebane Lite vind0.7691
Tretall Pølsebane Mellomvind1.0527
Tretall Pølsebane Mye vind1.2708
Distanseseilas ett tall (OSN 8-16kn)1.2211
Distanseseilas ett tall (APH 6-20kn)1.3439
Enkeltall Motvind1.2251
Enkeltall Medvind1.3149
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Coastal/Long Distance491.41.2211
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind489.81.2251
Predominantly Downwind456.31.3149
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore448.71.3372
Cape Doctor Coastal353.21.6990
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0040
Triple Number Coastal/Long Distance Medium1.3412
Triple Number Coastal/Long Distance High1.6164
Triple Number Windward/Leeward Low0.7691
Triple Number Windward/Leeward Medium1.0527
Triple Number Windward/Leeward High1.2708
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0040
Triple Number Coastal/Long Distance Medium1.3412
Triple Number Coastal/Long Distance High1.6164
Triple Number Windward/Leeward Low0.7691
Triple Number Windward/Leeward Medium1.0527
Triple Number Windward/Leeward High1.2708
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Predominantly Upwind489.81.2251
Predominantly Downwind456.31.3149
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance491.41.2211
Triple Number Coastal/Long Distance Low597.61.0040
Triple Number Coastal/Long Distance Medium447.41.3412
Triple Number Coastal/Long Distance High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance864.1652.9539.4465.3421.3381.9318.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low597.61.0040
Triple Number All Purpose Medium447.41.3412
Triple Number All Purpose High371.21.6164
Triple Number Windward/Leeward Low780.10.7691
Triple Number Windward/Leeward Medium570.01.0527
Triple Number Windward/Leeward High472.11.2708
Predominantly Upwind489.81.2251
Predominantly Downwind456.31.3149
Predominantly Upwind Low663.80.9039
Predominantly Upwind Medium510.21.1759
Predominantly Upwind High456.01.3159
Predominantly Downwind Low662.40.9059
Predominantly Downwind Medium457.81.3105
Predominantly Downwind High344.61.7410
Chicago-Mac Upwind1.1992
Chicago-Mac All Purpose1.2422
Chicago-Mac Downwind1.2858
Bayview-Mac Cove Island1.1483
Bayview-Mac Shore1.1646
Harvest Moon Regatta362.91.6535
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy456.61.3140
San Francisco Bay Medium558.11.0750
Predominantly Reaching415.71.4433
Predominantly Reaching Low535.91.1195
Predominantly Reaching Medium417.01.4388
Predominantly Reaching High334.11.7957
Windward/Leeward 60-40 Low782.50.7668
Windward/Leeward 60-40 Medium586.81.0226
Windward/Leeward 60-40 High503.31.1922
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low851.40.7047
5-Band Low / Medium712.10.8426
5-Band Medium558.21.0749
5-Band Medium / High485.31.2362
5-Band High442.41.3561
ORC Ref  04560002NBTIssued on 31/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © 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-0.953VCGM-0.923RM Rated (kg·m) 374.1Limit of positive stability(°) 122.2Stability Index119.0BLR index1.1447
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
P16.800IG15.750ISP18.485MDT10.160MDL10.246MDT20.095MDL20.141TL2.000MW0.145GO0.172
E4.970J5.700BAS1.585FSD0.000SFJ0.110SPLWPLTPS7.800BD0.215MWTMCG
Flying Headsail Foretriangles IdISPTPS216.0007.800118.4857.800
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  04560002NBTIssued on 31/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

VELOCITY

USA 145

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain2.202.443.053.974.6063.47
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  04560002NBTIssued on 31/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org