Club
Certificate
2023

Boat

THE ROCC

USA 64

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°40.8°39.0°37.6°37.2°37.0°37.0°
Beat VMG3.664.465.045.345.475.545.59
52°5.586.597.177.457.597.677.74
60°5.886.837.337.627.797.887.99
75°6.227.157.547.788.038.228.42
90°6.497.377.828.118.328.498.82
110°6.337.327.878.288.709.099.76
120°6.137.267.868.358.819.2110.21
135°5.476.827.598.138.679.2610.90
150°4.635.836.867.557.948.309.46
Run VMG4.015.055.946.546.877.288.19
Gybe Angles143.9°147.8°148.7°151.0°149.6°173.9°142.8°

APH: 520.6

CDL: 9.966

GPH: 582.0

CertNo: US6411

BOAT
ClassJ 112EDesignerAl JohnstoneBuilderJ/CompositesAge date01/2022Series date11/2017Offset fileJ112.offData fileUS64112
HULL
Length Overall11.002 mMaximum Beam3.598 mDraft2.089 mDisplacement5,245 kgDLR5.7614IMS DivisionCruiser/RacerDynamic Allowance0.110%Age Allowance0.195%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.416m
CREW
Maximum weight820 kgMinimum weight615 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail39.2840.68Headsail Luffed34.4234.42Headsail FlyingSymmetricAsymmetric147.30147.30 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail11.59Storm Jib9.60Heavy Weather Jib25.92
SAIL LIMITS
Headsails6  Spinnakers5
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  04560002JTMIssued on 28/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

THE ROCC

USA 64

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 VMG984.8806.5714.6674.5658.5649.8644.4
52°645.2546.1502.2483.0474.5469.6465.1
60°612.7527.2490.9472.4462.2456.6450.7
75°578.6503.3477.3462.9448.4438.1427.5
90°554.7488.4460.3443.9432.7424.0408.0
110°569.0491.6457.4434.6413.9396.0368.8
120°587.3495.7458.1430.9408.7391.0352.8
135°658.7528.1474.5442.9415.3388.9330.3
150°776.9617.0524.6476.9453.6433.7380.7
Run VMG897.1712.5605.8550.1523.7494.4439.6
Selected Courses
Windward / Leeward941.0759.5660.2612.3591.1572.1542.0
All purpose720.4596.3535.2503.9486.2471.8446.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward641.30.9357
All purpose520.61.1525
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8182
Downwind "popa"0.9945
70% up, 30% down "Ilhabela"0.8642
30% up, 70% down "Ilhabela-inverso"0.9341
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Predominantly Upwind564.21.0635
Predominantly Downwind523.91.1453
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low658.40.9113
Triple Number All Purpose Medium517.61.1591
Triple Number All Purpose High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Predominantly Upwind564.21.0635
Predominantly Downwind523.91.1453
Predominantly Upwind Low741.90.8087
Predominantly Upwind Medium584.21.0270
Predominantly Upwind High546.71.0974
Predominantly Downwind Low710.40.8446
Predominantly Downwind Medium519.91.1541
Predominantly Downwind High442.91.3548
Chicago-Mac Upwind1.0452
Chicago-Mac All Purpose1.0826
Chicago-Mac Downwind1.1270
Bayview-Mac Cove Island1.0070
Bayview-Mac Shore1.0119
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching491.41.2211
Predominantly Reaching Low589.51.0179
Predominantly Reaching Medium486.41.2336
Predominantly Reaching High431.51.3906
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low927.00.6473
5-Band Low / Medium777.90.7713
5-Band Medium625.70.9590
5-Band Medium / High573.61.0460
5-Band High547.21.0965
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance566.0
Triple Number Coastal/Long Distance Low658.4
Triple Number Coastal/Long Distance Medium517.6
Triple Number Coastal/Long Distance High465.8
Triple Number Windward/Leeward Low850.2
Triple Number Windward/Leeward Medium635.3
Triple Number Windward/Leeward High565.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9113
Triple Number Coastal/Long Distance Medium1.1591
Triple Number Coastal/Long Distance High1.2880
Triple Number Windward/Leeward Low0.7057
Triple Number Windward/Leeward Medium0.9445
Triple Number Windward/Leeward High1.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low658.4
Triple Number Coastal/Long Distance Medium517.6
Triple Number Coastal/Long Distance High465.8
Triple Number Windward/Leeward Low850.2
Triple Number Windward/Leeward Medium635.3
Triple Number Windward/Leeward High565.6
Predominantly Upwind564.2
Predominantly Downwind523.9
Predominantly Reaching502.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9113
Triple Number Coastal/Long Distance Medium1.1591
Triple Number Coastal/Long Distance High1.2880
Triple Number Windward/Leeward Low0.7057
Triple Number Windward/Leeward Medium0.9445
Triple Number Windward/Leeward High1.0609
Coastal/Long Distance1.0600
Predominantly Upwind1.0635
Predominantly Downwind1.1453
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9113
Tretall Distanseseilas Mellomvind1.1591
Tretall Distanseseilas Mye vind1.2880
Tretall Pølsebane Lite vind0.7057
Tretall Pølsebane Mellomvind0.9445
Tretall Pølsebane Mye vind1.0609
Distanseseilas ett tall (OSN 8-16kn)1.0600
Distanseseilas ett tall (APH 6-20kn)1.1525
Enkeltall Motvind1.0635
Enkeltall Medvind1.1453
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Coastal/Long Distance566.01.0600
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind564.21.0635
Predominantly Downwind523.91.1453
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore551.01.0889
Cape Doctor Coastal453.91.3218
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9113
Triple Number Coastal/Long Distance Medium1.1591
Triple Number Coastal/Long Distance High1.2880
Triple Number Windward/Leeward Low0.7057
Triple Number Windward/Leeward Medium0.9445
Triple Number Windward/Leeward High1.0609
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9113
Triple Number Coastal/Long Distance Medium1.1591
Triple Number Coastal/Long Distance High1.2880
Triple Number Windward/Leeward Low0.7057
Triple Number Windward/Leeward Medium0.9445
Triple Number Windward/Leeward High1.0609
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Predominantly Upwind564.21.0635
Predominantly Downwind523.91.1453
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance566.01.0600
Triple Number Coastal/Long Distance Low658.40.9113
Triple Number Coastal/Long Distance Medium517.61.1591
Triple Number Coastal/Long Distance High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance936.6714.0598.6536.3504.6477.6429.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low658.40.9113
Triple Number All Purpose Medium517.61.1591
Triple Number All Purpose High465.81.2880
Triple Number Windward/Leeward Low850.20.7057
Triple Number Windward/Leeward Medium635.30.9445
Triple Number Windward/Leeward High565.61.0609
Predominantly Upwind564.21.0635
Predominantly Downwind523.91.1453
Predominantly Upwind Low741.90.8087
Predominantly Upwind Medium584.21.0270
Predominantly Upwind High546.71.0974
Predominantly Downwind Low710.40.8446
Predominantly Downwind Medium519.91.1541
Predominantly Downwind High442.91.3548
Chicago-Mac Upwind1.0452
Chicago-Mac All Purpose1.0826
Chicago-Mac Downwind1.1270
Bayview-Mac Cove Island1.0070
Bayview-Mac Shore1.0119
Harvest Moon Regatta453.61.3226
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy547.21.0966
San Francisco Bay Medium626.00.9585
Predominantly Reaching491.41.2211
Predominantly Reaching Low589.51.0179
Predominantly Reaching Medium486.41.2336
Predominantly Reaching High431.51.3906
Windward/Leeward 60-40 Low859.30.6982
Windward/Leeward 60-40 Medium655.50.9153
Windward/Leeward 60-40 High594.31.0097
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low927.00.6473
5-Band Low / Medium777.90.7713
5-Band Medium625.70.9590
5-Band Medium / High573.61.0460
5-Band High547.21.0965
ORC Ref  04560002JTMIssued on 28/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

THE ROCC

USA 64

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 112EMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.002Max. Beam3.598Draft2.089Displacement5,245Wetted area25.19IMS L10.129LSM09.691Acc. length11.002Sink (kg/mm) 19.00
VCGD-0.055VCGM-0.102RM Rated (kg·m) 135.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.416PBW0.102PIPA0.0038
EDL2.193ST10.064ST20.177
ST30.177ST40.110ST50.305
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.012IG14.564ISP15.783MDT10.121MDL10.278MDT20.113MDL20.138TL1.204MW0.218GO0.000
E4.724J4.258BAS1.756FSD0.030SFJ0.229SPLWPLTPS6.437BD0.177MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date18/05/2016MeasurerComment
SFFP0.488FFMFF1.329LCFcl5.908SG1.0000
SAFP10.805FAMFA1.027LCFsh6.172HBI1.135
W174.2W274.2W374.2W474.2
PD1298.0PD2298.0PD3298.0PD4298.0
WD13.609PLM2318.00GSA31.7RSA14314.0RM137.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG#Fuel0.900091918.870.00Total deductible828.870.00
Total deductible
ORC Ref  04560002JTMIssued on 28/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

THE ROCC

USA 64

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.161.011.783.033.9439.28
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.100.701.302.383.444.5014.68NoNo 34.4218/03/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA218.5015.8517.1810.509.46111%147.3013/03/2023176012Code 016.4415.0015.726.708.7876%93.2213/03/2023176013
ORC Ref  04560002JTMIssued on 28/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org