International
Certificate
2023

Boat

LEADING EDGE

USA 74

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°41.1°39.4°38.2°37.6°37.5°37.8°
Beat VMG3.754.585.145.415.545.625.67
52°5.736.787.387.657.777.857.92
60°6.047.037.577.847.988.068.15
75°6.247.207.718.028.248.398.56
90°6.137.257.728.048.338.598.97
110°6.277.448.028.408.658.889.30
120°6.147.357.998.468.889.239.82
135°5.516.857.698.228.719.2210.48
150°4.665.886.937.658.058.399.12
Run VMG4.045.096.006.636.987.418.21
Gybe Angles143.3°146.9°148.7°150.5°150.7°173.0°175.7°

APH: 514.0

CDL: 10.618

GPH: 574.8

CertNo: US7462

BOAT
ClassJ 122DesignerAlan JohnstoneBuilderJ/BoatsAge date08/2009Series date10/2008Offset fileJ122 VER.OFFData fileUS6093
HULL
Length Overall12.190 mMaximum Beam3.638 mDraft2.246 mDisplacement7,593 kgDLR5.8073IMS DivisionCruiser/RacerDynamic Allowance0.130%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight785 kgMinimum weight589 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.7350.67Headsail Luffed41.3141.31Headsail FlyingSymmetricAsymmetric157.02157.02 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.72Storm Jib13.75Heavy Weather Jib37.12
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment187.9 kg·mStability Index124.1
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.
ORC Ref  04560002I7AIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

LEADING EDGE

USA 74

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 VMG959.2785.6700.4665.7649.6640.9634.4
52°628.4530.8487.6470.7463.3458.8454.4
60°596.5511.9475.4459.2451.3446.5441.5
75°576.6500.3467.1449.0437.0429.2420.4
90°587.0496.2466.1447.5431.9419.3401.5
110°574.0484.0448.7428.5416.0405.2387.0
120°586.4489.6450.4425.6405.6390.0366.6
135°653.2525.6468.1438.1413.3390.6343.6
150°772.1612.0519.7470.7447.1428.9394.7
Run VMG891.5706.7600.1543.1515.9485.8438.6
Selected Courses
Windward / Leeward925.4746.2650.3604.4582.8563.4536.5
All purpose714.4587.8526.9496.9480.1466.7446.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward632.00.9494
All purpose514.01.1674
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8340
Downwind "popa"1.0044
70% up, 30% down "Ilhabela"0.8787
30% up, 70% down "Ilhabela-inverso"0.9464
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Predominantly Upwind555.51.0801
Predominantly Downwind518.81.1565
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low651.10.9215
Triple Number All Purpose Medium510.31.1758
Triple Number All Purpose High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Predominantly Upwind555.51.0801
Predominantly Downwind518.81.1565
Predominantly Upwind Low728.60.8235
Predominantly Upwind Medium574.21.0450
Predominantly Upwind High538.11.1149
Predominantly Downwind Low704.90.8512
Predominantly Downwind Medium514.91.1653
Predominantly Downwind High440.61.3618
Chicago-Mac Upwind1.0616
Chicago-Mac All Purpose1.0957
Chicago-Mac Downwind1.1377
Bayview-Mac Cove Island1.0207
Bayview-Mac Shore1.0283
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching488.11.2293
Predominantly Reaching Low589.91.0171
Predominantly Reaching Medium482.71.2430
Predominantly Reaching High428.51.4003
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low911.60.6582
5-Band Low / Medium765.00.7843
5-Band Medium616.80.9728
5-Band Medium / High565.61.0608
5-Band High541.21.1087
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance558.1
Triple Number Coastal/Long Distance Low651.1
Triple Number Coastal/Long Distance Medium510.3
Triple Number Coastal/Long Distance High462.5
Triple Number Windward/Leeward Low835.8
Triple Number Windward/Leeward Medium626.1
Triple Number Windward/Leeward High558.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9215
Triple Number Coastal/Long Distance Medium1.1758
Triple Number Coastal/Long Distance High1.2973
Triple Number Windward/Leeward Low0.7179
Triple Number Windward/Leeward Medium0.9583
Triple Number Windward/Leeward High1.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low651.1
Triple Number Coastal/Long Distance Medium510.3
Triple Number Coastal/Long Distance High462.5
Triple Number Windward/Leeward Low835.8
Triple Number Windward/Leeward Medium626.1
Triple Number Windward/Leeward High558.1
Predominantly Upwind555.5
Predominantly Downwind518.8
Predominantly Reaching498.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9215
Triple Number Coastal/Long Distance Medium1.1758
Triple Number Coastal/Long Distance High1.2973
Triple Number Windward/Leeward Low0.7179
Triple Number Windward/Leeward Medium0.9583
Triple Number Windward/Leeward High1.0750
Coastal/Long Distance1.0752
Predominantly Upwind1.0801
Predominantly Downwind1.1565
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9215
Tretall Distanseseilas Mellomvind1.1758
Tretall Distanseseilas Mye vind1.2973
Tretall Pølsebane Lite vind0.7179
Tretall Pølsebane Mellomvind0.9583
Tretall Pølsebane Mye vind1.0750
Distanseseilas ett tall (OSN 8-16kn)1.0752
Distanseseilas ett tall (APH 6-20kn)1.1674
Enkeltall Motvind1.0801
Enkeltall Medvind1.1565
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Coastal/Long Distance558.11.0752
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind555.51.0801
Predominantly Downwind518.81.1565
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore544.61.1018
Cape Doctor Coastal452.61.3257
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9215
Triple Number Coastal/Long Distance Medium1.1758
Triple Number Coastal/Long Distance High1.2973
Triple Number Windward/Leeward Low0.7179
Triple Number Windward/Leeward Medium0.9583
Triple Number Windward/Leeward High1.0750
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9215
Triple Number Coastal/Long Distance Medium1.1758
Triple Number Coastal/Long Distance High1.2973
Triple Number Windward/Leeward Low0.7179
Triple Number Windward/Leeward Medium0.9583
Triple Number Windward/Leeward High1.0750
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Predominantly Upwind555.51.0801
Predominantly Downwind518.81.1565
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance558.11.0752
Triple Number Coastal/Long Distance Low651.10.9215
Triple Number Coastal/Long Distance Medium510.31.1758
Triple Number Coastal/Long Distance High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.0702.4589.7529.3497.9471.3429.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low651.10.9215
Triple Number All Purpose Medium510.31.1758
Triple Number All Purpose High462.51.2973
Triple Number Windward/Leeward Low835.80.7179
Triple Number Windward/Leeward Medium626.10.9583
Triple Number Windward/Leeward High558.11.0750
Predominantly Upwind555.51.0801
Predominantly Downwind518.81.1565
Predominantly Upwind Low728.60.8235
Predominantly Upwind Medium574.21.0450
Predominantly Upwind High538.11.1149
Predominantly Downwind Low704.90.8512
Predominantly Downwind Medium514.91.1653
Predominantly Downwind High440.61.3618
Chicago-Mac Upwind1.0616
Chicago-Mac All Purpose1.0957
Chicago-Mac Downwind1.1377
Bayview-Mac Cove Island1.0207
Bayview-Mac Shore1.0283
Harvest Moon Regatta450.21.3328
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy541.61.1078
San Francisco Bay Medium616.70.9730
Predominantly Reaching488.11.2293
Predominantly Reaching Low589.91.0171
Predominantly Reaching Medium482.71.2430
Predominantly Reaching High428.51.4003
Windward/Leeward 60-40 Low843.10.7117
Windward/Leeward 60-40 Medium645.60.9294
Windward/Leeward 60-40 High586.21.0235
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low911.60.6582
5-Band Low / Medium765.00.7843
5-Band Medium616.80.9728
5-Band Medium / High565.61.0608
5-Band High541.21.1087
ORC Ref  04560002I7AIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

LEADING EDGE

USA 74

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 122Measurement27/11/2022HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.190Max. Beam3.638Draft2.246Displacement7,593Wetted area31.43IMS L11.173LSM010.934Acc. length11.823Sink (kg/mm) 23.47
VCGD-0.013VCGM-0.057RM Rated (kg·m) 187.9Limit of positive stability(°) 119.2Stability Index124.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBW0.115PIPA0.0039
EDL2.250ST10.065ST20.180
ST30.180ST40.110ST50.295
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.720IG16.437ISP17.297MDT10.128MDL10.251MDT20.102MDL20.146TL1.370MW0.201GO0.240
E5.350J4.525BAS1.731FSD0.040SFJ0.305SPLWPLTPS6.370BD0.221MWT176.50MCG5.829
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date27/11/2022MeasurerComment
SFFP0.300FFM1.328FF1.340LCFcl6.758SG1.0150
SAFP11.850FAM0.970FA0.973LCFsh6.990HBI1.133
W1128.1W2128.1W3128.1W4128.1LCFD7.261
PD1268.4PD2265.3PD3266.2PD4268.4
WD4.920PLM9000.00GSA1.0RSA1.0RM185.8
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAAlloy tank port setteeFuel132885.420.00Total deductible745.420.00
Total deductible
ORC Ref  04560002I7AIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

LEADING EDGE

USA 74

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentTit. Main0.141.122.023.424.4549.7321/09/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentAP Jib-Tit.0.080.691.322.583.835.0216.12NoNo 41.3121/09/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA219.9016.6318.2710.3010.3899%157.0208/09/2021119.7516.2518.0010.3810.39100%155.73A318.8516.6017.739.7310.4593%145.8524/10/2022A518.6016.5017.557.358.6085%111.1525/10/2022
ORC Ref  04560002I7AIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org