Club
Certificate
Non Spinnaker
2023

Boat

CHURCH KEY

USA 75

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 Angles42.6°40.0°37.8°36.9°36.4°36.4°37.0°
Beat VMG3.514.284.754.935.025.065.06
52°5.296.236.686.856.957.007.05
60°5.546.426.847.047.157.237.30
75°5.686.546.987.277.477.617.77
90°5.546.476.987.367.697.948.28
110°4.885.976.717.197.668.118.89
120°4.565.696.517.027.487.969.01
135°3.965.075.986.647.107.548.50
150°3.354.365.225.986.576.987.76
Run VMG2.903.784.625.426.126.677.48
Gybe Angles144.8°146.2°173.0°175.4°177.2°178.4°178.4°

APH: 594.9

CDL: 8.496

GPH: 671.4

CertNo: US7500

BOAT
ClassJ 88DesignerJohnstoneBuilderJ BoatsAge date01/2014Series date08/2013Offset fileJ-88.offData fileUS7500NS
HULL
Length Overall8.957 mMaximum Beam2.854 mDraft1.972 mDisplacement2,483 kgDLR4.3340IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.325%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight510 kgMinimum weight383 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.0227.74Headsail Luffed21.3821.38Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.18Storm Jib7.10Heavy Weather Jib19.17
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
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  04560002WBJIssued on 02/02/2024Valid until 27/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

CHURCH KEY

USA 75

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 VMG1026.2841.7757.9730.1717.5711.1710.9
52°680.0578.2539.1525.2518.2514.0510.6
60°649.5560.8526.4511.3503.4498.2492.9
75°633.9550.4515.7494.9481.6473.2463.4
90°650.3556.0515.7488.8468.2453.6434.8
110°737.7602.5536.4500.5470.0444.1405.0
120°788.9633.2553.3512.8481.5452.3399.4
135°909.5710.6602.2541.8507.0477.6423.6
150°1075.3825.1689.8601.9548.1515.6464.1
Run VMG1241.7952.7778.5664.6588.4539.9481.2
Selected Courses
Windward / Leeward1133.9897.2768.2697.3653.0625.5596.0
All purpose863.7699.4617.2572.9544.7525.5499.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward732.20.8195
All purpose594.91.0086
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7643
Downwind "popa"0.8005
70% up, 30% down "Ilhabela"0.7748
30% up, 70% down "Ilhabela-inverso"0.7893
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Predominantly Upwind627.60.9561
Predominantly Downwind624.90.9601
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low781.60.7677
Triple Number All Purpose Medium591.11.0150
Triple Number All Purpose High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Predominantly Upwind627.60.9561
Predominantly Downwind624.90.9601
Predominantly Upwind Low826.50.7260
Predominantly Upwind Medium634.20.9461
Predominantly Upwind High599.61.0007
Predominantly Downwind Low910.60.6589
Predominantly Downwind Medium631.20.9506
Predominantly Downwind High502.81.1932
Chicago-Mac Upwind0.9404
Chicago-Mac All Purpose0.9395
Chicago-Mac Downwind0.9399
Bayview-Mac Cove Island0.8762
Bayview-Mac Shore0.8969
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching565.01.0619
Predominantly Reaching Low714.70.8396
Predominantly Reaching Medium564.71.0625
Predominantly Reaching High488.41.2285
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1115.70.5378
5-Band Low / Medium920.70.6517
5-Band Medium712.30.8424
5-Band Medium / High631.20.9506
5-Band High601.10.9981
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance650.3
Triple Number Coastal/Long Distance Low781.6
Triple Number Coastal/Long Distance Medium591.1
Triple Number Coastal/Long Distance High520.5
Triple Number Windward/Leeward Low1015.6
Triple Number Windward/Leeward Medium726.5
Triple Number Windward/Leeward High621.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium1.0150
Triple Number Coastal/Long Distance High1.1528
Triple Number Windward/Leeward Low0.5908
Triple Number Windward/Leeward Medium0.8259
Triple Number Windward/Leeward High0.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Italy
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low781.6
Triple Number Coastal/Long Distance Medium591.1
Triple Number Coastal/Long Distance High520.5
Triple Number Windward/Leeward Low1015.6
Triple Number Windward/Leeward Medium726.5
Triple Number Windward/Leeward High621.3
Predominantly Upwind627.6
Predominantly Downwind624.9
Predominantly Reaching587.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium1.0150
Triple Number Coastal/Long Distance High1.1528
Triple Number Windward/Leeward Low0.5908
Triple Number Windward/Leeward Medium0.8259
Triple Number Windward/Leeward High0.9657
Coastal/Long Distance0.9227
Predominantly Upwind0.9561
Predominantly Downwind0.9601
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7677
Tretall Distanseseilas Mellomvind1.0150
Tretall Distanseseilas Mye vind1.1528
Tretall Pølsebane Lite vind0.5908
Tretall Pølsebane Mellomvind0.8259
Tretall Pølsebane Mye vind0.9657
Distanseseilas ett tall (OSN 8-16kn)0.9227
Distanseseilas ett tall (APH 6-20kn)1.0086
Enkeltall Motvind0.9561
Enkeltall Medvind0.9601
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Coastal/Long Distance650.30.9227
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind627.60.9561
Predominantly Downwind624.90.9601
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore604.90.9919
Cape Doctor Coastal507.21.1830
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium1.0150
Triple Number Coastal/Long Distance High1.1528
Triple Number Windward/Leeward Low0.5908
Triple Number Windward/Leeward Medium0.8259
Triple Number Windward/Leeward High0.9657
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium1.0150
Triple Number Coastal/Long Distance High1.1528
Triple Number Windward/Leeward Low0.5908
Triple Number Windward/Leeward Medium0.8259
Triple Number Windward/Leeward High0.9657
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Predominantly Upwind627.60.9561
Predominantly Downwind624.90.9601
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.30.9227
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium591.11.0150
Triple Number Coastal/Long Distance High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1144.7846.5695.0611.5566.0531.7475.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low781.60.7677
Triple Number All Purpose Medium591.11.0150
Triple Number All Purpose High520.51.1528
Triple Number Windward/Leeward Low1015.60.5908
Triple Number Windward/Leeward Medium726.50.8259
Triple Number Windward/Leeward High621.30.9657
Predominantly Upwind627.60.9561
Predominantly Downwind624.90.9601
Predominantly Upwind Low826.50.7260
Predominantly Upwind Medium634.20.9461
Predominantly Upwind High599.61.0007
Predominantly Downwind Low910.60.6589
Predominantly Downwind Medium631.20.9506
Predominantly Downwind High502.81.1932
Chicago-Mac Upwind0.9404
Chicago-Mac All Purpose0.9395
Chicago-Mac Downwind0.9399
Bayview-Mac Cove Island0.8762
Bayview-Mac Shore0.8969
Harvest Moon Regatta514.91.1653
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy611.70.9808
San Francisco Bay Medium720.60.8327
Predominantly Reaching565.01.0619
Predominantly Reaching Low714.70.8396
Predominantly Reaching Medium564.71.0625
Predominantly Reaching High488.41.2285
Windward/Leeward 60-40 Low999.20.6005
Windward/Leeward 60-40 Medium733.10.8185
Windward/Leeward 60-40 High652.40.9197
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1115.70.5378
5-Band Low / Medium920.70.6517
5-Band Medium712.30.8424
5-Band Medium / High631.20.9506
5-Band High601.10.9981
ORC Ref  04560002WBJIssued on 02/02/2024Valid until 27/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

CHURCH KEY

USA 75

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 88Measurement05/01/2024HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.957Max. Beam2.854Draft1.972Displacement2,483Wetted area16.59IMS L8.627LSM08.304Acc. length8.957Sink (kg/mm) 12.71
VCGD-0.215VCGM-0.133RM Rated (kg·m) 52.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.360PBW0.113PIPA0.0039
EDL1.805ST10.065ST20.180
ST30.180ST40.110ST50.375
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.225IG11.792ISP12.670MDT10.116MDL10.153MDT20.080MDL20.118TL1.940MW0.133GO0.168
E3.655J3.415BAS1.295FSD0.027SFJ0.220SPLWPLTPS5.565BD0.100MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date05/01/2024MeasurerCommentNo cushions
SFFP0.759FFMFF1.005LCFcl4.917SG1.0060
SAFP8.905FAMFA0.745LCFsh5.127HBI0.859
W153.2W253.2W353.2W453.2LCFD4.793
PD1259.6PD2262.7PD3258.7PD4250.7
WD3.217PLM9000.00GSA1.0RSA1.0RM52.3
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGBPVC waste tank port side outboardWater3003.260.50APVC fuel tank on centerlineFuel38337.080.00Total deductible287.080.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGABattery2x 12V West Marine house & engine, under stbd berth505.980.00BEngineYanmar 2YM15Total deductible0
ORC Ref  04560002WBJIssued on 02/02/2024Valid until 27/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

CHURCH KEY

USA 75

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentmain0.481.081.712.613.2527.02Class Dimension
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.090.951.873.6111.58YesNo 21.38Class DimensionsJ20.080.861.723.4411.55YesNo 20.06Class Dimensions
ORC Ref  04560002WBJIssued on 02/02/2024Valid until 27/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org