Club
Certificate
2024

Boat

MOA

USA 487

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 24 kt
Beat Angles42.7°40.6°38.2°36.7°36.3°35.9°35.7°36.2°
Beat VMG3.704.515.065.315.445.525.595.58
52°5.616.607.107.347.467.547.647.67
60°5.896.797.247.507.667.767.897.96
75°6.066.917.357.677.938.118.338.49
90°5.906.867.387.738.048.348.789.09
110°5.897.017.618.078.468.869.5610.22
120°5.736.917.558.108.629.1310.2711.82
135°5.076.387.237.788.358.9510.6813.67
150°4.285.446.457.187.587.959.0912.18
Run VMG3.714.715.596.216.566.987.8710.55
Gybe Angles143.3°147.1°147.7°150.1°148.9°173.7°141.9°141.7°
APH ToD:534.9CDL: 9.704APH ToT: 1.1217CertNo:US487
BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date07/2001Series date05/1991Offset filej105.offData fileUS487
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.002 mDisplacement3,861 kgDLR4.6025IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight633 kg(default)Minimum weight503 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail33.4334.11Headsail Luffed38.7338.73Headsail FlyingSymmetricAsymmetric109.97109.97 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.72Heavy Weather Jib20.83
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.

Club
Certificate
2024

Boat

MOA

USA 487

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 24 kt
Beat VMG973.5799.0712.1677.4661.4652.4644.1645.7
52°641.5545.8507.3490.6482.6477.7471.4469.3
60°611.1529.8497.0479.7470.0464.0456.1452.4
75°594.4521.1489.7469.1453.8444.1432.2424.0
90°609.7524.6487.6465.8447.7431.9410.0395.9
110°611.3513.3473.3446.0425.7406.5376.6352.4
120°628.0521.0476.7444.7417.9394.2350.6304.5
135°710.1564.5498.1462.7431.3402.2337.2263.3
150°841.0661.6557.8501.7475.1452.6395.9295.5
Run VMG971.0763.9644.1579.2548.6516.1457.2341.2
Selected Courses
Windward / Leeward972.3781.5678.1628.3605.0584.3550.7493.5
All purpose749.2616.4551.1517.6497.7481.4452.5416.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward657.80.9121
All purpose534.91.1217
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8203
Downwind "popa"0.9375
70% up, 30% down "Ilhabela"0.8523
30% up, 70% down "Ilhabela-inverso"0.8989
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Predominantly Upwind575.11.0432
Predominantly Downwind546.81.0974
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low682.80.8787
Triple Number AP Medium532.11.1277
Triple Number AP High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Single Number Predominant Upwind573.91.0456
Single Number Predominant Reaching514.11.1672
Single Number Predominant Downwind547.71.0954
Predominant Upwind - Low746.50.8037
Predominant Upwind - Low/Med626.90.9571
Predominant Upwind - Medium558.01.0753
Predominant Upwind - Med/High522.71.1478
Predominant Upwind - High501.61.1961
Predominant Downwind Low757.30.7922
Predominant Downwind Low/Med616.70.9729
Predominant Downwind Medium529.01.1343
Predominant Downwind Med/High471.91.2714
Predominant Downwind High422.61.4199
Predominant Reaching Low674.10.8900
Predominant Reaching Low/Med566.11.0599
Predominant Reaching Medium500.51.1987
Predominant Reaching Med/High457.01.3129
Predominant Reaching High422.71.4193
SA/DSPL Upwind29.19SA/DSPL Downwind58.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low929.00.6459
5-Band Windward/Leeward Low/Med750.50.7994
5-Band Windward/Leeward Medium641.80.9348
5-Band Windward/Leeward Med/High585.81.0242
5-Band Windward/Leeward High546.61.0977
Windward/Leeward 60-40 Low930.00.6452
Windward/Leeward 60-40 Low/Med755.70.7940
Windward/Leeward 60-40 Medium651.10.9215
Windward/Leeward 60-40 Med/High599.61.0007
Windward/Leeward 60-40 High566.41.0593
5-Band AP Low719.10.8344
5-Band AP Low/Med598.31.0028
5-Band AP Medium525.01.1428
5-Band AP Med/High482.31.2440
5-Band AP High451.21.3296
5-Band SF Bay Tour - Low880.90.6811
5-Band SF Bay Tour - Low/Med716.20.8378
5-Band SF Bay Tour - Medium616.70.9728
5-Band SF Bay Tour - Med/High564.71.0624
5-Band SF Bay Tour - High528.21.1359
Chicago-Mac Upwind1.0264
Chicago-Mac All Purpose1.0498
Chicago-Mac Downwind1.0792
Bayview-Mac Cove Island0.9782
Bayview-Mac Shore0.9896
Harvest Moon Regatta466.51.2862
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance581.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8787
Triple Number Coastal/Long Distance Medium1.1278
Triple Number Coastal/Long Distance High1.2642
Triple Number Windward/Leeward Low0.6842
Triple Number Windward/Leeward Medium0.9204
Triple Number Windward/Leeward High1.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low682.8
Triple Number Coastal/Long Distance Medium532.0
Triple Number Coastal/Long Distance High474.6
Triple Number Windward/Leeward Low876.9
Triple Number Windward/Leeward Medium651.9
Triple Number Windward/Leeward High576.9
Predominantly Upwind575.1
Predominantly Downwind546.8
Predominantly Reaching522.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8787
Triple Number Coastal/Long Distance Medium1.1278
Triple Number Coastal/Long Distance High1.2642
Triple Number Windward/Leeward Low0.6842
Triple Number Windward/Leeward Medium0.9204
Triple Number Windward/Leeward High1.0401
Coastal/Long Distance1.0324
Predominantly Upwind1.0432
Predominantly Downwind1.0974
For information
General Purpose Handicap (GPH)599.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8787
Tretall Distanseseilas Mellomvind1.1278
Tretall Distanseseilas Mye vind1.2642
Tretall Pølsebane Lite vind0.6842
Tretall Pølsebane Mellomvind0.9204
Tretall Pølsebane Mye vind1.0401
Distanseseilas ett tall1.1217
Enkeltall Motvind1.0432
Enkeltall Medvind1.0974
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Coastal/Long Distance581.21.0324
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind575.11.0432
Predominantly Downwind546.81.0974
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore510.61.1750
Cape Doctor Coastal427.31.4042
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8787
Triple Number Coastal/Long Distance Medium1.1278
Triple Number Coastal/Long Distance High1.2642
Triple Number Windward/Leeward Low0.6842
Triple Number Windward/Leeward Medium0.9204
Triple Number Windward/Leeward High1.0401
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8787
Triple Number Coastal/Long Distance Medium1.1278
Triple Number Coastal/Long Distance High1.2642
Triple Number Windward/Leeward Low0.6842
Triple Number Windward/Leeward Medium0.9204
Triple Number Windward/Leeward High1.0401
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Predominantly Upwind575.11.0432
Predominantly Downwind546.81.0974
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance581.21.0324
Triple Number Coastal/Long Distance Low682.80.8787
Triple Number Coastal/Long Distance Medium532.01.1278
Triple Number Coastal/Long Distance High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance972.2737.0616.1550.6516.5486.4433.4396.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low682.80.8787
Triple Number AP Medium532.11.1277
Triple Number AP High474.61.2642
Triple Number Windward/Leeward Low876.90.6842
Triple Number Windward/Leeward Medium651.90.9204
Triple Number Windward/Leeward High576.91.0401
Single Number Predominant Upwind573.91.0456
Single Number Predominant Reaching514.11.1672
Single Number Predominant Downwind547.71.0954
Predominant Upwind - Low746.50.8037
Predominant Upwind - Low/Med626.90.9571
Predominant Upwind - Medium558.01.0753
Predominant Upwind - Med/High522.71.1478
Predominant Upwind - High501.61.1961
Predominant Downwind Low757.30.7922
Predominant Downwind Low/Med616.70.9729
Predominant Downwind Medium529.01.1343
Predominant Downwind Med/High471.91.2714
Predominant Downwind High422.61.4199
Predominant Reaching Low674.10.8900
Predominant Reaching Low/Med566.11.0599
Predominant Reaching Medium500.51.1987
Predominant Reaching Med/High457.01.3129
Predominant Reaching High422.71.4193
SA/DSPL Upwind29.19SA/DSPL Downwind58.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low929.00.6459
5-Band Windward/Leeward Low/Med750.50.7994
5-Band Windward/Leeward Medium641.80.9348
5-Band Windward/Leeward Med/High585.81.0242
5-Band Windward/Leeward High546.61.0977
Windward/Leeward 60-40 Low930.00.6452
Windward/Leeward 60-40 Low/Med755.70.7940
Windward/Leeward 60-40 Medium651.10.9215
Windward/Leeward 60-40 Med/High599.61.0007
Windward/Leeward 60-40 High566.41.0593
5-Band AP Low719.10.8344
5-Band AP Low/Med598.31.0028
5-Band AP Medium525.01.1428
5-Band AP Med/High482.31.2440
5-Band AP High451.21.3296
5-Band SF Bay Tour - Low880.90.6811
5-Band SF Bay Tour - Low/Med716.20.8378
5-Band SF Bay Tour - Medium616.70.9728
5-Band SF Bay Tour - Med/High564.71.0624
5-Band SF Bay Tour - High528.21.1359
Chicago-Mac Upwind1.0264
Chicago-Mac All Purpose1.0498
Chicago-Mac Downwind1.0792
Bayview-Mac Cove Island0.9782
Bayview-Mac Shore0.9896
Harvest Moon Regatta466.51.2862

Club
Certificate
2024

Boat

MOA

USA 487

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.344Draft2.002Displacement3,861Wetted area22.66IMS L9.690LSM09.430Acc. length10.570Sink (kg/mm) 17.01
VCGD-0.169VCGM-0.182RM Rated (kg·m) 103.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight633Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.099PIPA0.0032
PSD0.026PHD0.050PHL0.139
PSA16.5°ESL0.916
ST10.020ST20.093ST30.093
ST40.047ST50.187
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.651IG12.301ISP12.751MDT10.102MDL10.166MDT20.102MDL20.102TL1.900MW0.166GO0.206
E4.451J4.132BAS1.553FSD0.030SFJ0.000SPL0.000WPLTPS5.901BD0.130MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered103.6Flotation Date01/01/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

MOA

USA 487

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.150.911.672.873.7333.4329/06/2021Main Dacron
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.080.821.583.164.766.3812.17NoNo 38.7331/10/2023OUS154915-001J30.080.541.032.023.064.1512.15YesNo 24.9924/06/2022OUS 145087-001
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA1.514.9213.5214.229.179.7294%109.9714/11/2022OUSA151096-001A215.0012.1013.557.478.9284%87.6206/03/2024OUS149906-001Blue/Green13.7611.5012.637.078.1487%76.6629/06/2021Lt. Blue/Dk. Blue/Green