Club Certificate2025
MoonshadowUSA 278
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
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 Angles42.8°42.8°40.6°38.9°38.2°37.8°37.7°37.8°39.1°
Beat VMG2.663.674.434.855.025.125.175.215.10
52°4.155.576.526.947.107.197.257.327.30
60°4.435.856.757.137.307.407.477.577.58
75°4.646.066.907.317.567.727.838.018.09
90°4.515.956.867.347.687.968.188.478.68
110°4.395.957.037.608.058.378.649.179.59
120°4.245.816.957.578.108.599.069.8110.65
135°3.715.226.457.237.798.368.9810.6112.91
150°3.074.385.556.537.217.708.209.3512.07
Run VMG2.663.804.805.656.286.737.148.1010.46
Gybe Angles142.6°142.6°146.6°149.9°152.9°156.5°156.8°146.3°143.2°
APH ToD:543.4CDL: 9.161APH ToT: 1.1041CertNo:BC2549
BOAT
ClassJ105DesignerJ BoatBuilderJ BoatAge date01/2000Series date07/1994Offset filej105.offData fileUSA278-Moonshadow
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.004 mDisplacement3,933 kgDLR4.5076IMS DivisionPerformanceDynamic Allowance0.040%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight317 kg(declared)Minimum weight187 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail37.1438.38Headsail Luffed33.1533.15Headsail FlyingSymmetricAsymmetric88.7888.78 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.62Heavy Weather Jib20.57
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
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 Certificate2025
MoonshadowUSA 278
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
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 VMG1352.7981.0812.3742.9716.6703.6696.2690.6706.3
52°867.9646.5552.2519.0507.0500.6496.4491.7493.1
60°812.8614.9533.7504.8493.1486.3481.6475.9475.1
75°776.1594.3521.9492.8476.3466.5459.5449.5445.2
90°798.7605.2525.1490.8468.9452.4440.3425.0415.0
110°820.4605.5511.8473.4447.3430.2416.5392.6375.5
120°849.2620.1518.2475.7444.5418.9397.2366.8338.2
135°971.4690.1558.5497.6462.0430.6401.1339.2278.9
150°1172.9821.4649.0551.5499.1467.4439.3385.0298.2
Run VMG1355.0948.5749.4636.8573.3535.3504.5444.5344.3
Selected Courses
Windward / Leeward1353.5964.7780.9689.8645.0619.5600.3567.6525.3
All purpose1023.1743.9616.5558.3528.1508.7493.6468.0442.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward670.10.8954
All purpose543.41.1041
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7860
Downwind "popa"0.9562
70% up, 30% down "Ilhabela"0.8304
30% up, 70% down "Ilhabela-inverso"0.8979
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Predominantly Upwind589.61.0176
Predominantly Downwind547.21.0966
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low680.20.8821
Triple Number AP Medium540.71.1096
Triple Number AP High487.81.2301
Triple Number Windward/Leeward Low911.80.6580
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Single Number Predominant Upwind611.80.9808
Single Number Predominant Reaching537.01.1174
Single Number Predominant Downwind568.81.0549
Predominant Upwind - Low815.90.7354
Predominant Upwind - Low/Med635.90.9435
Predominant Upwind - Medium574.61.0442
Predominant Upwind - Med/High543.31.1043
Predominant Upwind - High525.91.1408
Predominant Downwind Low819.70.7320
Predominant Downwind Low/Med614.10.9770
Predominant Downwind Medium531.01.1300
Predominant Downwind Med/High474.81.2636
Predominant Downwind High429.11.3984
Predominant Reaching Low729.10.8229
Predominant Reaching Low/Med567.61.0571
Predominant Reaching Medium506.61.1844
Predominant Reaching Med/High466.01.2875
Predominant Reaching High436.11.3757
SA/DSPL Upwind28.08SA/DSPL Downwind50.31
Scoring OptionTODTOT
5-Band Windward/Leeward Low1016.10.5905
5-Band Windward/Leeward Low/Med755.80.7939
5-Band Windward/Leeward Medium655.70.9150
5-Band Windward/Leeward Med/High601.80.9970
5-Band Windward/Leeward High565.91.0602
Windward/Leeward 60-40 Low1019.20.5887
Windward/Leeward 60-40 Low/Med764.30.7850
Windward/Leeward 60-40 Medium669.60.8961
Windward/Leeward 60-40 Med/High621.10.9661
Windward/Leeward 60-40 High591.61.0142
5-Band AP Low749.10.8009
5-Band AP Low/Med601.70.9972
5-Band AP Medium534.31.1229
5-Band AP Med/High494.71.2128
5-Band AP High468.01.2821
5-Band SF Bay Tour - Low876.30.6847
5-Band SF Bay Tour - Low/Med722.60.8303
5-Band SF Bay Tour - Medium632.00.9494
5-Band SF Bay Tour - Med/High582.51.0301
5-Band SF Bay Tour - High549.91.0912
Chicago-Mac Upwind0.9550
Chicago-Mac All Purpose0.9883
Chicago-Mac Downwind1.0172
Bayview-Mac Cove Island0.7345
Bayview-Mac Shore0.7397
Harvest Moon Regatta469.51.2779
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance590.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating590.01.0169
FinRating, kevyt tuuli997.61.0024
FinRating, kova tuuli468.61.0671
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0169
Triple Number Coastal/Long Distance Low0.8821
Triple Number Coastal/Long Distance Medium1.1097
Triple Number Coastal/Long Distance High1.2301
Triple Number Windward/Leeward Low0.6874
Triple Number Windward/Leeward Medium0.9024
Triple Number Windward/Leeward High1.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
For information
General Purpose Handicap (GPH)606.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low680.2
Triple Number Coastal/Long Distance Medium540.7
Triple Number Coastal/Long Distance High487.8
Triple Number Windward/Leeward Low872.9
Triple Number Windward/Leeward Medium664.9
Triple Number Windward/Leeward High592.8
Predominantly Upwind589.6
Predominantly Downwind547.2
Predominantly Reaching525.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8821
Triple Number Coastal/Long Distance Medium1.1097
Triple Number Coastal/Long Distance High1.2301
Triple Number Windward/Leeward Low0.6874
Triple Number Windward/Leeward Medium0.9024
Triple Number Windward/Leeward High1.0121
Coastal/Long Distance1.0169
Predominantly Upwind1.0176
Predominantly Downwind1.0966
For information
General Purpose Handicap (GPH)606.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1041
Distanseseilas Trippeltall svak vind0.8821
Distanseseilas Trippeltall mellomvind1.1097
Distanseseilas Trippeltall sterk vind1.2301
Pølsebane Trippeltall svak vind0.6874
Pølsebane Trippeltall mellomvind0.9024
Pølsebane Trippeltall sterk vind1.0121
Motvind Singeltall1.0176
Medvind Singeltall1.0966
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Coastal/Long Distance590.01.0169
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind589.61.0176
Predominantly Downwind547.21.0966
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore538.01.1153
Cape Doctor Coastal449.91.3336
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8821
Triple Number Coastal/Long Distance Medium1.1097
Triple Number Coastal/Long Distance High1.2301
Triple Number Windward/Leeward Low0.6874
Triple Number Windward/Leeward Medium0.9024
Triple Number Windward/Leeward High1.0121
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8821
Triple Number Coastal/Long Distance Medium1.1097
Triple Number Coastal/Long Distance High1.2301
Triple Number Windward/Leeward Low0.6874
Triple Number Windward/Leeward Medium0.9024
Triple Number Windward/Leeward High1.0121
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Predominantly Upwind589.61.0176
Predominantly Downwind547.21.0966
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.01.0169
Triple Number Coastal/Long Distance Low680.20.8821
Triple Number Coastal/Long Distance Medium540.71.1097
Triple Number Coastal/Long Distance High487.81.2301
Triple Number Windward/Leeward Low872.90.6874
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1435.4963.1736.0625.1563.4527.9497.4447.7421.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low680.20.8821
Triple Number AP Medium540.71.1096
Triple Number AP High487.81.2301
Triple Number Windward/Leeward Low911.80.6580
Triple Number Windward/Leeward Medium664.90.9024
Triple Number Windward/Leeward High592.81.0121
Single Number Predominant Upwind611.80.9808
Single Number Predominant Reaching537.01.1174
Single Number Predominant Downwind568.81.0549
Predominant Upwind - Low815.90.7354
Predominant Upwind - Low/Med635.90.9435
Predominant Upwind - Medium574.61.0442
Predominant Upwind - Med/High543.31.1043
Predominant Upwind - High525.91.1408
Predominant Downwind Low819.70.7320
Predominant Downwind Low/Med614.10.9770
Predominant Downwind Medium531.01.1300
Predominant Downwind Med/High474.81.2636
Predominant Downwind High429.11.3984
Predominant Reaching Low729.10.8229
Predominant Reaching Low/Med567.61.0571
Predominant Reaching Medium506.61.1844
Predominant Reaching Med/High466.01.2875
Predominant Reaching High436.11.3757
SA/DSPL Upwind28.08SA/DSPL Downwind50.31
Scoring OptionTODTOT
5-Band Windward/Leeward Low1016.10.5905
5-Band Windward/Leeward Low/Med755.80.7939
5-Band Windward/Leeward Medium655.70.9150
5-Band Windward/Leeward Med/High601.80.9970
5-Band Windward/Leeward High565.91.0602
Windward/Leeward 60-40 Low1019.20.5887
Windward/Leeward 60-40 Low/Med764.30.7850
Windward/Leeward 60-40 Medium669.60.8961
Windward/Leeward 60-40 Med/High621.10.9661
Windward/Leeward 60-40 High591.61.0142
5-Band AP Low749.10.8009
5-Band AP Low/Med601.70.9972
5-Band AP Medium534.31.1229
5-Band AP Med/High494.71.2128
5-Band AP High468.01.2821
5-Band SF Bay Tour - Low876.30.6847
5-Band SF Bay Tour - Low/Med722.60.8303
5-Band SF Bay Tour - Medium632.00.9494
5-Band SF Bay Tour - Med/High582.51.0301
5-Band SF Bay Tour - High549.91.0912
Chicago-Mac Upwind0.9550
Chicago-Mac All Purpose0.9883
Chicago-Mac Downwind1.0172
Bayview-Mac Cove Island0.7345
Bayview-Mac Shore0.7397
Harvest Moon Regatta469.51.2779
Club Certificate2025
MoonshadowUSA 278
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ105Measurement27/03/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.344Draft2.004Displacement3,933Wetted area23.05IMS L9.638LSM09.554Acc. length10.570Sink (kg/mm) 17.37
VCGD0.014VCGM-0.003RM Rated (kg·m) 94.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight645Declared crew weight317
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.098PIPA0.0031
PSD0.025PHD0.049PHL0.138
PSA16.5°ESL0.915
ST10.019ST20.092ST30.092
ST40.046ST50.186
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P12.650IG12.223ISP12.604MDT10.101MDL10.165MDT20.101MDL20.101TLTaperMW0.165GO0.205
E4.450J4.131BAS1.552FSD0.029SFJ0.000SPL0.000WPLTPS5.820BD0.129MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date28/03/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
MoonshadowUSA 278
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-A0.191.192.063.314.0237.14
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-A0.090.691.362.734.145.5811.99NoNo 33.15
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA3-A15.0912.0113.557.588.9984%88.78