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 Angles42.4°40.0°37.8°36.6°36.4°36.4°36.9°
Beat VMG3.524.304.794.985.065.105.10
52°5.326.266.736.917.007.057.10
60°5.576.456.897.107.217.297.37
75°5.716.567.017.367.577.707.86
90°5.576.507.007.417.798.098.42
110°4.916.006.737.227.708.189.16
120°4.595.716.537.047.528.019.15
135°3.985.096.006.667.127.588.58
150°3.364.385.246.006.597.007.80
Run VMG2.913.794.655.456.156.707.52
Gybe Angles145.1°146.2°173.9°175.4°177.2°178.4°178.4°

APH: 591.1

CDL: 8.542

GPH: 667.4

CertNo: US7500

BOAT
ClassJ 88DesignerJohnstoneBuilderJ BoatsAge date01/2014Series date08/2013Offset fileJ-88.offData fileUS7500NS
HULL
Length Overall8.957 mMaximum Beam2.854 mDraft1.958 mDisplacement2,345 kgDLR4.2216IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.325%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight520 kgMinimum weight390 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.0327.75Headsail Luffed21.3821.38Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.19Storm Jib7.10Heavy Weather Jib19.15
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  04560002THEIssued on 02/11/2023Valid until 18/03/2024
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 VMG1021.3837.0750.9723.6711.6705.3705.5
52°676.5575.3534.8521.3514.5510.3506.9
60°646.1558.5522.6506.8499.0493.8488.5
75°630.4548.4513.2489.4475.5467.2458.1
90°646.7553.9514.0485.8462.1445.2427.7
110°733.4599.8534.7498.5467.3439.9393.1
120°785.1630.3551.4511.1478.9449.2393.2
135°905.3707.6599.8540.3505.4475.1419.8
150°1070.8821.8687.0599.6546.5514.2461.8
Run VMG1236.4948.9774.8661.1584.9537.5479.0
Selected Courses
Windward / Leeward1128.9893.0762.9692.3648.3621.4592.3
All purpose859.6696.3613.6569.1540.8521.2494.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward727.40.8248
All purpose591.11.0151
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7699
Downwind "popa"0.8042
70% up, 30% down "Ilhabela"0.7799
30% up, 70% down "Ilhabela-inverso"0.7936
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind623.40.9624
Predominantly Downwind621.70.9651
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low777.90.7713
Triple Number All Purpose Medium587.51.0213
Triple Number All Purpose High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind623.40.9624
Predominantly Downwind621.70.9651
Predominantly Upwind Low822.50.7295
Predominantly Upwind Medium629.30.9534
Predominantly Upwind High594.51.0093
Predominantly Downwind Low906.60.6618
Predominantly Downwind Medium628.10.9552
Predominantly Downwind High499.41.2014
Chicago-Mac Upwind0.9469
Chicago-Mac All Purpose0.9454
Chicago-Mac Downwind0.9449
Bayview-Mac Cove Island0.8811
Bayview-Mac Shore0.9023
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching561.61.0684
Predominantly Reaching Low711.40.8434
Predominantly Reaching Medium561.61.0684
Predominantly Reaching High483.71.2403
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1110.70.5402
5-Band Low / Medium916.00.6550
5-Band Medium707.40.8482
5-Band Medium / High627.00.9570
5-Band High597.31.0045
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance646.2
Triple Number Coastal/Long Distance Low777.9
Triple Number Coastal/Long Distance Medium587.5
Triple Number Coastal/Long Distance High516.0
Triple Number Windward/Leeward Low1011.0
Triple Number Windward/Leeward Medium721.6
Triple Number Windward/Leeward High617.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7713
Triple Number Coastal/Long Distance Medium1.0213
Triple Number Coastal/Long Distance High1.1628
Triple Number Windward/Leeward Low0.5935
Triple Number Windward/Leeward Medium0.8315
Triple Number Windward/Leeward High0.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low777.9
Triple Number Coastal/Long Distance Medium587.5
Triple Number Coastal/Long Distance High516.0
Triple Number Windward/Leeward Low1011.0
Triple Number Windward/Leeward Medium721.6
Triple Number Windward/Leeward High617.2
Predominantly Upwind623.4
Predominantly Downwind621.7
Predominantly Reaching583.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7713
Triple Number Coastal/Long Distance Medium1.0213
Triple Number Coastal/Long Distance High1.1628
Triple Number Windward/Leeward Low0.5935
Triple Number Windward/Leeward Medium0.8315
Triple Number Windward/Leeward High0.9722
Coastal/Long Distance0.9285
Predominantly Upwind0.9624
Predominantly Downwind0.9651
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7713
Tretall Distanseseilas Mellomvind1.0213
Tretall Distanseseilas Mye vind1.1628
Tretall Pølsebane Lite vind0.5935
Tretall Pølsebane Mellomvind0.8315
Tretall Pølsebane Mye vind0.9722
Distanseseilas ett tall (OSN 8-16kn)0.9285
Distanseseilas ett tall (APH 6-20kn)1.0151
Enkeltall Motvind0.9624
Enkeltall Medvind0.9651
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Coastal/Long Distance646.20.9285
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind623.40.9624
Predominantly Downwind621.70.9651
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore601.00.9984
Cape Doctor Coastal502.41.1944
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7713
Triple Number Coastal/Long Distance Medium1.0213
Triple Number Coastal/Long Distance High1.1628
Triple Number Windward/Leeward Low0.5935
Triple Number Windward/Leeward Medium0.8315
Triple Number Windward/Leeward High0.9722
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7713
Triple Number Coastal/Long Distance Medium1.0213
Triple Number Coastal/Long Distance High1.1628
Triple Number Windward/Leeward Low0.5935
Triple Number Windward/Leeward Medium0.8315
Triple Number Windward/Leeward High0.9722
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind623.40.9624
Predominantly Downwind621.70.9651
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low777.90.7713
Triple Number Coastal/Long Distance Medium587.51.0213
Triple Number Coastal/Long Distance High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1139.6842.6690.5607.4561.9527.3470.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low777.90.7713
Triple Number All Purpose Medium587.51.0213
Triple Number All Purpose High516.01.1628
Triple Number Windward/Leeward Low1011.00.5935
Triple Number Windward/Leeward Medium721.60.8315
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind623.40.9624
Predominantly Downwind621.70.9651
Predominantly Upwind Low822.50.7295
Predominantly Upwind Medium629.30.9534
Predominantly Upwind High594.51.0093
Predominantly Downwind Low906.60.6618
Predominantly Downwind Medium628.10.9552
Predominantly Downwind High499.41.2014
Chicago-Mac Upwind0.9469
Chicago-Mac All Purpose0.9454
Chicago-Mac Downwind0.9449
Bayview-Mac Cove Island0.8811
Bayview-Mac Shore0.9023
Harvest Moon Regatta511.01.1741
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy607.60.9875
San Francisco Bay Medium716.10.8379
Predominantly Reaching561.61.0684
Predominantly Reaching Low711.40.8434
Predominantly Reaching Medium561.61.0684
Predominantly Reaching High483.71.2403
Windward/Leeward 60-40 Low994.60.6033
Windward/Leeward 60-40 Medium727.60.8246
Windward/Leeward 60-40 High647.70.9263
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1110.70.5402
5-Band Low / Medium916.00.6550
5-Band Medium707.40.8482
5-Band Medium / High627.00.9570
5-Band High597.31.0045
ORC Ref  04560002THEIssued on 02/11/2023Valid until 18/03/2024
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 88MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.957Max. Beam2.854Draft1.958Displacement2,345Wetted area16.27IMS L8.566LSM08.220Acc. length8.957Sink (kg/mm) 12.49
VCGD-0.263VCGM-0.169RM Rated (kg·m) 51.6Limit 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 FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.225IG11.787ISP12.695MDT10.116MDL10.153MDT20.080MDL20.118TL1.940MW0.133GO0.168
E3.660J3.440BAS1.290FSD0.027SFJ0.210SPLWPLTPS5.520BD0.105MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.263Flotation Date03/08/2021MeasurerComment
SFFP0.759FFMFF1.028LCFcl4.942SG
SAFP8.905FAMFA0.745LCFsh5.151HBI0.874
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery2x 12V AGM house & engine, stbd centerline405.980.001EngineVolvo D1-13aAnchor00.00Total deductible0
ORC Ref  04560002THEIssued on 02/11/2023Valid until 18/03/2024
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.DateCommentmain0.481.081.712.613.2527.03Class Dimension
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.090.951.873.6111.58YesNo 21.38Class DimensionsJ20.080.861.723.4411.55YesNo 20.06Class Dimensions
ORC Ref  04560002THEIssued on 02/11/2023Valid until 18/03/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org