Club
Certificate
2021

Boat

MI-2

USA 57

 
Offshore
Racing
Congress

Certificate number: US6536
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.8°41.3°39.0°37.9°37.5°37.5°37.9°
Beat VMG3.414.164.714.924.985.015.07
52°5.216.196.696.876.946.987.09
60°5.556.456.847.067.177.237.36
75°6.066.797.067.317.587.737.86
90°6.266.967.397.717.958.168.59
110°6.046.917.437.988.559.019.69
120°5.846.857.438.048.529.1210.41
135°5.146.437.107.718.449.3011.07
150°4.345.466.437.017.468.079.90
Run VMG3.764.725.576.086.466.998.58
Gybe Angles144.0°147.0°149.0°151.0°147.0°144.5°141.5°

GPH = 619.6

CDL = 8.463

BOAT
ClassJ-88𝕚DesignerJohnstoneBuilderJ BoatsAge Date01/2014Series Date01/2014Offset FileJ88.off
HULL
Length Overall8.960 mMaximum Beam2.854 mDraft1.961 mDisplacement2,390 kgDLR4.0226IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.228%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.380m
CREW
Maximum weight510 kg𝕚Minimum weight383 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail26.8527.56Headsail Luffed20.9220.92Headsail FlyingSymmetricAsymmetric94.00𝕚94.00𝕚
* 1 asymmetric(s) with SHW/SFL < 85%
SAIL LIMITATIONS
Headsails5 Spinnakers4
STABILITY
Righting Moment51.3 kg·mStability Index116.1
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  034100014LOIssued on 21/04/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
2021

Boat

MI-2

USA 57

 
Offshore
Racing
Congress

Certificate number: US6536
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1055.2864.9763.8732.3722.4718.8710.0
52°690.7581.4538.2523.8518.4515.9508.0
60°648.2558.0526.1509.6502.0498.0488.8
75°594.5530.2509.6492.8475.0465.5458.3
90°575.4517.4487.3467.2452.8441.2419.2
110°595.6520.9484.8450.9421.0399.5371.5
120°616.0525.9484.6447.6422.7394.8345.9
135°699.8560.0507.3466.9426.5387.0325.2
150°829.0659.9559.5513.3482.4446.3363.5
Run VMG957.2762.0646.0592.2557.0515.4419.7
Selected Courses
Windward / Leeward1006.2813.4704.9662.2639.7617.1564.9
All purpose763.7635.2570.7539.2518.7500.3465.3
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward689.20.8706
All purpose554.61.0818
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Predominantly Upwind606.80.9888
Predominantly Downwind556.01.0792
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low699.50.8578
Triple Number All Purpose Medium552.61.0858
Triple Number All Purpose High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Predominantly Upwind606.80.9888
Predominantly Downwind556.01.0792
Predominantly Upwind Low792.60.7570
Predominantly Upwind Medium629.40.9534
Predominantly Upwind High595.41.0077
Predominantly Downwind Low757.20.7924
Predominantly Downwind Medium553.21.0846
Predominantly Downwind High452.61.3258
Chicago-Mac Upwind0.9741
Chicago-Mac All Purpose1.0150
Chicago-Mac Downwind1.0621
Bayview-Mac Cove Island0.9469
Bayview-Mac Shore0.9504
Victoria-Maui1.1460
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance605.6
Triple Number Coastal/Long Distance Low699.5
Triple Number Coastal/Long Distance Medium552.6
Triple Number Coastal/Long Distance High491.8
Triple Number Windward/Leeward Low909.8
Triple Number Windward/Leeward Medium683.4
Triple Number Windward/Leeward High603.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8578
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.8779
Triple Number Windward/Leeward High0.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low699.5
Triple Number Coastal/Long Distance Medium552.6
Triple Number Coastal/Long Distance High491.8
Triple Number Windward/Leeward Low909.8
Triple Number Windward/Leeward Medium683.4
Triple Number Windward/Leeward High603.1
Predominantly Upwind606.8
Predominantly Downwind556.0
Predominantly Reaching531.9
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8578
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.8779
Triple Number Windward/Leeward High0.9948
Coastal/Long Distance0.9908
Predominantly Upwind0.9888
Predominantly Downwind1.0792
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9908
Tretall Distanseseilas Lite vind0.8578
Tretall Distanseseilas Mellomvind1.0858
Tretall Distanseseilas Mye vind1.2201
Tretall Pølsebane Lite vind0.6595
Tretall Pølsebane Mellomvind0.8779
Tretall Pølsebane Mye vind0.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind606.80.9888
Predominantly Downwind556.01.0792
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore580.51.0335
Cape Doctor Coastal475.81.2611
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8578
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.8779
Triple Number Windward/Leeward High0.9948
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8578
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.8779
Triple Number Windward/Leeward High0.9948
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Predominantly Upwind606.80.9888
Predominantly Downwind556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low699.50.8578
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.3763.8638.6575.8541.0507.0441.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low699.50.8578
Triple Number All Purpose Medium552.61.0858
Triple Number All Purpose High491.81.2201
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium683.40.8779
Triple Number Windward/Leeward High603.10.9948
Predominantly Upwind606.80.9888
Predominantly Downwind556.01.0792
Predominantly Upwind Low792.60.7570
Predominantly Upwind Medium629.40.9534
Predominantly Upwind High595.41.0077
Predominantly Downwind Low757.20.7924
Predominantly Downwind Medium553.21.0846
Predominantly Downwind High452.61.3258
Chicago-Mac Upwind0.9741
Chicago-Mac All Purpose1.0150
Chicago-Mac Downwind1.0621
Bayview-Mac Cove Island0.9469
Bayview-Mac Shore0.9504
Harvest Moon Regatta485.81.2351
Victoria-Maui1.1460
ORC Ref  034100014LOIssued on 21/04/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
2021

Boat

MI-2

USA 57

 
Offshore
Racing
Congress

Certificate number: US6536
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassJ-88𝕚Measurement14/05/2020𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderNo𝕚Light stanchionsNo𝕚Trim tabNo𝕚
LOA8.960𝕚Max. Beam2.854𝕚Draft1.961𝕚Displacement2,390𝕚Wetted area16.34𝕚IMS L8.629𝕚LSM08.407𝕚Acc. length8.960𝕚Sink (kg/mm)12.53𝕚
VCGD-0.248𝕚VCGM-0.159𝕚RM Measured (kg·m)51.3𝕚RM Default (kg·m)50.9𝕚Limit of positive stability(°)120.3𝕚Stability Index116.1𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.380𝕚EDL2.200𝕚ST30.180𝕚Twin screwNo𝕚PBW0.110𝕚ST10.065𝕚ST40.110𝕚PIPA0.0039𝕚ST20.180𝕚ST50.375𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerNo𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingNo𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P11.227𝕚IG11.665𝕚ISP12.696𝕚MDT10.095𝕚MDL10.145𝕚MDT20.085𝕚MDL20.103𝕚TL1.930𝕚MW0.158𝕚GO0.170𝕚
E3.658𝕚J3.420𝕚BAS1.304𝕚FSD𝕚SFJ0.210𝕚SPL𝕚TPS5.120𝕚BD0.104𝕚MWT73.50𝕚MCG4.486𝕚
FLOTATION AND STABILITY
Inclining TestBoom Inclining𝕚SFFP0.759𝕚SAFP8.905𝕚Flotation Date14/05/2020𝕚FFM1.007𝕚FAM0.749𝕚Measurer𝕚FF1.014𝕚FA0.751𝕚Comment𝕚LCFcl4.925𝕚LCFsh5.113𝕚SG1.0060𝕚HBI0.870𝕚
W153.4𝕚W253.4𝕚W353.4𝕚W453.4𝕚LCFD𝕚
PD1285.9𝕚PD2286.3𝕚PD3286.3𝕚PD4285.0𝕚
WD3.485𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdTankTypeCapacityLCGVCGConditionDescription𝕚𝕚𝕚𝕚0.00𝕚0.00𝕚4.0𝕚𝕚
IdItemDescriptionWeightLCGVCGa𝕚Anchor (d)𝕚0.0𝕚0.00𝕚𝕚
ORC Ref  034100014LOIssued on 21/04/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
2021

Boat

MI-2

USA 57

 
Offshore
Racing
Congress

Certificate number: US6536
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialComment19M𝕚0.44𝕚1.07𝕚1.71𝕚2.61𝕚3.20𝕚26.85𝕚𝕚07/06/2019𝕚𝕚𝕚MAINSAIL𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialComment14956𝕚0.00𝕚0.00𝕚0.94𝕚1.85𝕚2.74𝕚3.61𝕚11.37𝕚No𝕚No𝕚 𝕚20.92𝕚𝕚29/01/2021𝕚𝕚𝕚HEADSAIL𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialComment2946019𝕚14.87𝕚12.16𝕚13.52𝕚8.30𝕚8.53𝕚97%𝕚94.00𝕚𝕚𝕚North Sails-R. Mackenzie𝕚𝕚A2 SPIN𝕚149655𝕚13.55𝕚12.00𝕚12.78𝕚4.64𝕚6.17𝕚75%𝕚52.65𝕚𝕚𝕚quantum𝕚Unknown𝕚code zero𝕚
ORC Ref  034100014LOIssued on 21/04/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org