Non Spin/HSFClub Certificate2025
MI-2USA 57
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.6°42.6°40.4°38.6°37.8°37.7°37.7°38.4°39.9°
Beat VMG2.533.494.244.664.824.894.934.944.77
52°3.925.286.216.626.786.876.926.976.91
60°4.175.546.416.806.987.087.157.227.17
75°4.355.716.556.977.237.427.547.707.76
90°4.195.596.506.997.367.657.898.228.42
110°3.534.926.026.747.227.688.108.869.39
120°3.254.595.726.547.057.528.009.0310.33
135°2.743.975.096.016.677.137.588.579.90
150°2.273.364.385.246.016.597.017.808.77
Run VMG1.982.913.794.645.456.166.707.538.42
Gybe Angles144.7°144.7°146.0°174.4°176.2°178.0°179.1°179.3°178.9°
APH ToD:597.9CDL: 8.264APH ToT: 1.0035CertNo:US6536
BOAT
ClassJ 88DesignerJohnstoneBuilderJ BoatsAge date01/2014Series date01/2013Offset fileJ-88.offData fileUS6536
HULL
Length Overall8.957 mMaximum Beam2.854 mDraft1.965 mDisplacement2,395 kgDLR4.2766IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.390%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight385 kg(declared)Minimum weight255 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.8527.56Headsail Luffed20.9220.92Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.20Storm Jib7.00Heavy Weather Jib18.89
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
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.
Non Spin/HSFClub Certificate2025
MI-2USA 57
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1425.31030.2849.1772.1747.4736.6730.9729.3755.0
52°918.7682.0580.1543.6530.8524.3520.4516.5521.3
60°862.5649.9561.6529.4515.6508.5503.8498.4501.8
75°827.8630.1549.5516.4497.7485.3477.7467.8463.9
90°858.6644.4553.5514.8489.0470.3456.4438.1427.5
110°1018.9731.9598.0533.9498.7469.0444.5406.4383.4
120°1108.5784.1628.9550.4510.6478.8450.0398.7348.5
135°1311.7905.8707.1598.9539.7505.0475.1419.9363.7
150°1586.11072.8822.5687.1599.2546.0513.8461.3410.6
Run VMG1817.01238.8949.7775.1661.1584.9537.1477.9427.5
Selected Courses
Windward / Leeward1619.41134.5899.4773.6704.3660.7634.0603.6591.3
All purpose1208.0862.2699.4619.4576.4549.1530.4503.9488.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward738.40.8126
All purpose597.91.0035
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7506
Downwind "popa"0.8039
70% up, 30% down "Ilhabela"0.7658
30% up, 70% down "Ilhabela-inverso"0.7871
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Predominantly Upwind633.30.9474
Predominantly Downwind624.60.9607
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low780.80.7685
Triple Number AP Medium594.21.0097
Triple Number AP High525.11.1425
Triple Number Windward/Leeward Low1064.80.5635
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Single Number Predominant Upwind658.60.9111
Single Number Predominant Reaching595.21.0080
Single Number Predominant Downwind656.70.9136
Predominant Upwind - Low901.60.6655
Predominant Upwind - Low/Med688.90.8709
Predominant Upwind - Medium613.20.9785
Predominant Upwind - Med/High576.61.0406
Predominant Upwind - High561.51.0686
Predominant Downwind Low1011.80.5930
Predominant Downwind Low/Med724.70.8280
Predominant Downwind Medium599.01.0017
Predominant Downwind Med/High521.21.1511
Predominant Downwind High477.71.2559
Predominant Reaching Low845.10.7100
Predominant Reaching Low/Med636.40.9428
Predominant Reaching Medium553.21.0846
Predominant Reaching Med/High503.71.1913
Predominant Reaching High474.81.2636
SA/DSPL Upwind26.61SA/DSPL Downwind26.61
Scoring OptionTODTOT
5-Band Windward/Leeward Low1197.40.5011
5-Band Windward/Leeward Low/Med860.80.6970
5-Band Windward/Leeward Medium718.80.8347
5-Band Windward/Leeward Med/High639.30.9385
5-Band Windward/Leeward High606.70.9889
Windward/Leeward 60-40 Low1174.60.5108
Windward/Leeward 60-40 Low/Med855.40.7014
Windward/Leeward 60-40 Medium726.40.8260
Windward/Leeward 60-40 Med/High658.00.9118
Windward/Leeward 60-40 High632.20.9491
5-Band AP Low881.60.6806
5-Band AP Low/Med677.00.8862
5-Band AP Medium585.41.0250
5-Band AP Med/High533.01.1258
5-Band AP High505.81.1863
5-Band SF Bay Tour - Low1018.40.5892
5-Band SF Bay Tour - Low/Med818.30.7332
5-Band SF Bay Tour - Medium693.60.8650
5-Band SF Bay Tour - Med/High626.10.9583
5-Band SF Bay Tour - High596.51.0058
Chicago-Mac Upwind0.8855
Chicago-Mac All Purpose0.8858
Chicago-Mac Downwind0.8750
Bayview-Mac Cove Island0.6347
Bayview-Mac Shore0.6429
Harvest Moon Regatta515.11.1649
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance654.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating654.10.9174
FinRating, kevyt tuuli1180.30.8473
FinRating, kova tuuli508.10.9840
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9174
Triple Number Coastal/Long Distance Low0.7685
Triple Number Coastal/Long Distance Medium1.0098
Triple Number Coastal/Long Distance High1.1425
Triple Number Windward/Leeward Low0.5900
Triple Number Windward/Leeward Medium0.8188
Triple Number Windward/Leeward High0.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
For information
General Purpose Handicap (GPH)673.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low780.7
Triple Number Coastal/Long Distance Medium594.2
Triple Number Coastal/Long Distance High525.2
Triple Number Windward/Leeward Low1016.9
Triple Number Windward/Leeward Medium732.8
Triple Number Windward/Leeward High629.3
Predominantly Upwind633.3
Predominantly Downwind624.6
Predominantly Reaching587.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7685
Triple Number Coastal/Long Distance Medium1.0098
Triple Number Coastal/Long Distance High1.1425
Triple Number Windward/Leeward Low0.5900
Triple Number Windward/Leeward Medium0.8188
Triple Number Windward/Leeward High0.9535
Coastal/Long Distance0.9174
Predominantly Upwind0.9474
Predominantly Downwind0.9607
For information
General Purpose Handicap (GPH)673.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0035
Distanseseilas Trippeltall svak vind0.7685
Distanseseilas Trippeltall mellomvind1.0098
Distanseseilas Trippeltall sterk vind1.1425
Pølsebane Trippeltall svak vind0.5900
Pølsebane Trippeltall mellomvind0.8188
Pølsebane Trippeltall sterk vind0.9535
Motvind Singeltall0.9474
Medvind Singeltall0.9607
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Coastal/Long Distance654.10.9174
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind633.30.9474
Predominantly Downwind624.60.9607
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore595.01.0085
Cape Doctor Coastal493.01.2171
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7685
Triple Number Coastal/Long Distance Medium1.0098
Triple Number Coastal/Long Distance High1.1425
Triple Number Windward/Leeward Low0.5900
Triple Number Windward/Leeward Medium0.8188
Triple Number Windward/Leeward High0.9535
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7685
Triple Number Coastal/Long Distance Medium1.0098
Triple Number Coastal/Long Distance High1.1425
Triple Number Windward/Leeward Low0.5900
Triple Number Windward/Leeward Medium0.8188
Triple Number Windward/Leeward High0.9535
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Predominantly Upwind633.30.9474
Predominantly Downwind624.60.9607
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low780.70.7685
Triple Number Coastal/Long Distance Medium594.21.0098
Triple Number Coastal/Long Distance High525.21.1425
Triple Number Windward/Leeward Low1016.90.5900
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.81144.9847.8698.7616.1570.7536.2478.7457.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low780.80.7685
Triple Number AP Medium594.21.0097
Triple Number AP High525.11.1425
Triple Number Windward/Leeward Low1064.80.5635
Triple Number Windward/Leeward Medium732.80.8188
Triple Number Windward/Leeward High629.30.9535
Single Number Predominant Upwind658.60.9111
Single Number Predominant Reaching595.21.0080
Single Number Predominant Downwind656.70.9136
Predominant Upwind - Low901.60.6655
Predominant Upwind - Low/Med688.90.8709
Predominant Upwind - Medium613.20.9785
Predominant Upwind - Med/High576.61.0406
Predominant Upwind - High561.51.0686
Predominant Downwind Low1011.80.5930
Predominant Downwind Low/Med724.70.8280
Predominant Downwind Medium599.01.0017
Predominant Downwind Med/High521.21.1511
Predominant Downwind High477.71.2559
Predominant Reaching Low845.10.7100
Predominant Reaching Low/Med636.40.9428
Predominant Reaching Medium553.21.0846
Predominant Reaching Med/High503.71.1913
Predominant Reaching High474.81.2636
SA/DSPL Upwind26.61SA/DSPL Downwind26.61
Scoring OptionTODTOT
5-Band Windward/Leeward Low1197.40.5011
5-Band Windward/Leeward Low/Med860.80.6970
5-Band Windward/Leeward Medium718.80.8347
5-Band Windward/Leeward Med/High639.30.9385
5-Band Windward/Leeward High606.70.9889
Windward/Leeward 60-40 Low1174.60.5108
Windward/Leeward 60-40 Low/Med855.40.7014
Windward/Leeward 60-40 Medium726.40.8260
Windward/Leeward 60-40 Med/High658.00.9118
Windward/Leeward 60-40 High632.20.9491
5-Band AP Low881.60.6806
5-Band AP Low/Med677.00.8862
5-Band AP Medium585.41.0250
5-Band AP Med/High533.01.1258
5-Band AP High505.81.1863
5-Band SF Bay Tour - Low1018.40.5892
5-Band SF Bay Tour - Low/Med818.30.7332
5-Band SF Bay Tour - Medium693.60.8650
5-Band SF Bay Tour - Med/High626.10.9583
5-Band SF Bay Tour - High596.51.0058
Chicago-Mac Upwind0.8855
Chicago-Mac All Purpose0.8858
Chicago-Mac Downwind0.8750
Bayview-Mac Cove Island0.6347
Bayview-Mac Shore0.6429
Harvest Moon Regatta515.11.1649
Non Spin/HSFClub Certificate2025
MI-2USA 57
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 88Measurement14/05/2020HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.957Max. Beam2.854Draft1.965Displacement2,395Wetted area16.34IMS L8.546LSM08.242Acc. length8.957Sink (kg/mm) 12.52
VCGD-0.251VCGM-0.162RM Rated (kg·m) 51.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight522Declared crew weight385
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBW0.110PIPA0.0039
EDL2.200ST10.065ST20.180
ST30.180ST40.110ST50.375
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P11.227IG11.787ISP12.695MDT10.095MDL10.145MDT20.085MDL20.103TL1.940MW0.158GO0.170
E3.660J3.440BAS1.304FSD0.027SFJ0.210SPLWPLTPS5.520BD0.104MWT73.50MCG4.486
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date14/05/2020
W153.4W253.4W353.4W453.4LCFD4.575
PD1285.9PD2286.3PD3286.3PD4285.0
WD3.485PLM9000.00GSA1.0RSA1.0RM51.3
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
386.640.000.8400
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGFuel3846.640.00Total deductible36.640.00
Total deductible
Non Spin/HSFClub Certificate2025
MI-2USA 57
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment19M0.441.071.712.613.2026.8507/06/2019MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment149560.000.000.941.852.743.6111.37YesNo 20.9229/01/2021HEADSAIL