Club Certificate2025
Summer LightGBR 1244T
ORC
Central Rating Office
Issuing certificates for
Ireland
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 Angles43.3°43.3°41.4°39.1°37.4°36.9°37.1°37.5°39.1°
Beat VMG2.323.193.884.374.644.744.794.804.70
52°3.614.865.746.196.446.556.616.676.66
60°3.845.115.946.336.576.726.806.896.90
75°3.975.256.056.456.716.937.097.277.37
90°3.815.136.036.536.837.047.247.617.84
110°3.705.066.056.576.957.317.658.158.53
120°3.524.875.896.476.867.237.618.489.45
135°3.094.345.376.146.596.967.348.2610.12
150°2.533.674.725.606.246.646.997.748.83
Run VMG2.193.184.094.885.576.106.507.177.87
Gybe Angles146.9°146.9°151.2°154.7°161.9°169.6°177.7°178.1°174.8°
APH ToD:614.8CDL: 7.598APH ToT: 0.9759CertNo:
BOAT
ClassLASER 28DesignerFARR BruceBuilderPerf. Sail CraftAge date01/1987Series date01/1983Offset filePOL14776.offData fileGBR1244T
HULL
Length Overall8.640 mMaximum Beam2.840 mDraft1.644 mDisplacement2,336 kgDLR5.5359IMS DivisionPerformanceDynamic Allowance0.240%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.328m
CREW
Maximum weight510 kg(declared)Minimum weight380 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.7823.31Headsail Luffed20.3020.30Headsail FlyingSymmetric42.4242.42Asymmetric
STORM SAIL AREAS (m²)
Trysail6.80Storm Jib4.59Heavy Weather Jib12.37
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Bulb added 170 Kg
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
Summer LightGBR 1244T
ORC
Central Rating Office
Issuing certificates for
Ireland
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 VMG1550.41127.3928.9823.8775.8759.5751.8749.5765.2
52°998.6740.4627.7581.2559.3549.4544.5539.6540.6
60°938.6704.8606.5568.3547.8535.5529.8522.7521.6
75°906.4686.2595.3558.5536.4519.5507.4495.3488.8
90°944.6702.3596.8551.7526.8511.5497.4472.9459.2
110°973.5711.3594.9547.8517.8492.3470.8442.0421.9
120°1021.9739.7611.5556.6525.0497.9473.1424.3381.0
135°1164.2830.0670.0586.4546.2517.1490.4435.9355.6
150°1424.4980.2762.2642.5576.9542.0514.8465.3407.5
Run VMG1646.61131.9879.4737.6646.7590.0553.4502.4457.2
Selected Courses
Windward / Leeward1596.41129.6904.1780.7711.2674.7652.6626.0611.2
All purpose1205.6869.9713.2635.0592.6568.7551.6526.3505.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward747.90.8022
All purpose614.80.9759
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7099
Downwind "popa"0.8331
70% up, 30% down "Ilhabela"0.7428
30% up, 70% down "Ilhabela-inverso"0.7919
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Predominantly Upwind660.90.9078
Predominantly Downwind628.80.9542
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low791.60.7580
Triple Number AP Medium610.90.9822
Triple Number AP High546.41.0981
Triple Number Windward/Leeward Low1062.70.5646
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Single Number Predominant Upwind687.60.8726
Single Number Predominant Reaching615.40.9749
Single Number Predominant Downwind657.10.9132
Predominant Upwind - Low945.20.6348
Predominant Upwind - Low/Med723.10.8298
Predominant Upwind - Medium639.50.9382
Predominant Upwind - Med/High600.40.9993
Predominant Upwind - High583.61.0281
Predominant Downwind Low970.80.6181
Predominant Downwind Low/Med713.60.8408
Predominant Downwind Medium606.00.9900
Predominant Downwind Med/High540.71.1097
Predominant Downwind High498.71.2032
Predominant Reaching Low854.80.7020
Predominant Reaching Low/Med653.20.9186
Predominant Reaching Medium575.41.0428
Predominant Reaching Med/High529.91.1322
Predominant Reaching High499.01.2024
SA/DSPL Upwind24.41SA/DSPL Downwind36.93
Scoring OptionTODTOT
5-Band Windward/Leeward Low1190.40.5040
5-Band Windward/Leeward Low/Med865.30.6934
5-Band Windward/Leeward Medium727.90.8243
5-Band Windward/Leeward Med/High656.80.9136
5-Band Windward/Leeward High628.00.9554
Windward/Leeward 60-40 Low1189.00.5046
Windward/Leeward 60-40 Low/Med872.00.6881
Windward/Leeward 60-40 Medium740.70.8101
Windward/Leeward 60-40 Med/High676.40.8871
Windward/Leeward 60-40 High652.90.9189
5-Band AP Low878.80.6827
5-Band AP Low/Med690.90.8684
5-Band AP Medium602.30.9962
5-Band AP Med/High553.71.0837
5-Band AP High527.11.1382
5-Band SF Bay Tour - Low1023.20.5864
5-Band SF Bay Tour - Low/Med828.00.7246
5-Band SF Bay Tour - Medium705.10.8509
5-Band SF Bay Tour - Med/High642.90.9333
5-Band SF Bay Tour - High615.10.9755
Chicago-Mac Upwind0.8470
Chicago-Mac All Purpose0.8665
Chicago-Mac Downwind0.8797
Bayview-Mac Cove Island0.6327
Bayview-Mac Shore0.6379
Harvest Moon Regatta537.71.1159
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance667.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating667.50.8989
FinRating, kevyt tuuli1171.30.8538
FinRating, kova tuuli529.40.9445
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8989
Triple Number Coastal/Long Distance Low0.7580
Triple Number Coastal/Long Distance Medium0.9823
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.5901
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
For information
General Purpose Handicap (GPH)690.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low791.6
Triple Number Coastal/Long Distance Medium610.8
Triple Number Coastal/Long Distance High546.4
Triple Number Windward/Leeward Low1016.8
Triple Number Windward/Leeward Medium741.3
Triple Number Windward/Leeward High648.2
Predominantly Upwind660.9
Predominantly Downwind628.8
Predominantly Reaching603.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7580
Triple Number Coastal/Long Distance Medium0.9823
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.5901
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9257
Coastal/Long Distance0.8989
Predominantly Upwind0.9078
Predominantly Downwind0.9542
For information
General Purpose Handicap (GPH)690.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9759
Distanseseilas Trippeltall svak vind0.7580
Distanseseilas Trippeltall mellomvind0.9823
Distanseseilas Trippeltall sterk vind1.0981
Pølsebane Trippeltall svak vind0.5901
Pølsebane Trippeltall mellomvind0.8094
Pølsebane Trippeltall sterk vind0.9257
Motvind Singeltall0.9078
Medvind Singeltall0.9542
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Coastal/Long Distance667.50.8989
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind660.90.9078
Predominantly Downwind628.80.9542
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore615.60.9746
Cape Doctor Coastal512.01.1720
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7580
Triple Number Coastal/Long Distance Medium0.9823
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.5901
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9257
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7580
Triple Number Coastal/Long Distance Medium0.9823
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.5901
Triple Number Windward/Leeward Medium0.8094
Triple Number Windward/Leeward High0.9257
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Predominantly Upwind660.90.9078
Predominantly Downwind628.80.9542
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.50.8989
Triple Number Coastal/Long Distance Low791.60.7580
Triple Number Coastal/Long Distance Medium610.80.9823
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low1016.80.5901
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.71129.8852.1709.3629.9589.7558.1503.1480.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low791.60.7580
Triple Number AP Medium610.90.9822
Triple Number AP High546.41.0981
Triple Number Windward/Leeward Low1062.70.5646
Triple Number Windward/Leeward Medium741.30.8094
Triple Number Windward/Leeward High648.20.9257
Single Number Predominant Upwind687.60.8726
Single Number Predominant Reaching615.40.9749
Single Number Predominant Downwind657.10.9132
Predominant Upwind - Low945.20.6348
Predominant Upwind - Low/Med723.10.8298
Predominant Upwind - Medium639.50.9382
Predominant Upwind - Med/High600.40.9993
Predominant Upwind - High583.61.0281
Predominant Downwind Low970.80.6181
Predominant Downwind Low/Med713.60.8408
Predominant Downwind Medium606.00.9900
Predominant Downwind Med/High540.71.1097
Predominant Downwind High498.71.2032
Predominant Reaching Low854.80.7020
Predominant Reaching Low/Med653.20.9186
Predominant Reaching Medium575.41.0428
Predominant Reaching Med/High529.91.1322
Predominant Reaching High499.01.2024
SA/DSPL Upwind24.41SA/DSPL Downwind36.93
Scoring OptionTODTOT
5-Band Windward/Leeward Low1190.40.5040
5-Band Windward/Leeward Low/Med865.30.6934
5-Band Windward/Leeward Medium727.90.8243
5-Band Windward/Leeward Med/High656.80.9136
5-Band Windward/Leeward High628.00.9554
Windward/Leeward 60-40 Low1189.00.5046
Windward/Leeward 60-40 Low/Med872.00.6881
Windward/Leeward 60-40 Medium740.70.8101
Windward/Leeward 60-40 Med/High676.40.8871
Windward/Leeward 60-40 High652.90.9189
5-Band AP Low878.80.6827
5-Band AP Low/Med690.90.8684
5-Band AP Medium602.30.9962
5-Band AP Med/High553.71.0837
5-Band AP High527.11.1382
5-Band SF Bay Tour - Low1023.20.5864
5-Band SF Bay Tour - Low/Med828.00.7246
5-Band SF Bay Tour - Medium705.10.8509
5-Band SF Bay Tour - Med/High642.90.9333
5-Band SF Bay Tour - High615.10.9755
Chicago-Mac Upwind0.8470
Chicago-Mac All Purpose0.8665
Chicago-Mac Downwind0.8797
Bayview-Mac Cove Island0.6327
Bayview-Mac Shore0.6379
Harvest Moon Regatta537.71.1159
Club Certificate2025
Summer LightGBR 1244T
ORC
Central Rating Office
Issuing certificates for
Ireland
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLASER 28MeasurementHIN2134Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.640Max. Beam2.840Draft1.644Displacement2,336Wetted area14.91IMS L7.786LSM07.500Acc. length8.640Sink (kg/mm) 11.28
VCGD-0.015VCGM-0.046RM Rated (kg·m) 46.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight457Declared crew weight510
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.328PBW0.084PIPA0.0035
PSD0.022PHD0.062PHL0.130
PSA15.0°ESL0.843
ST10.020ST20.086ST30.086
ST40.050ST50.160
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders1Rotating mastNo
P9.900IG9.490ISP9.710MDT10.093MDL10.126MDT2MDL2TLMW0.126GO0.151
E3.920J2.930BAS1.310FSDSFJ0.070SPL3.470WPLTPS3.350BD0.101MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date02/08/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
Summer LightGBR 1244T
ORC
Central Rating Office
Issuing certificates for
Ireland
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.140.781.412.453.3122.78IRC 2025 certificate
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.551.032.073.204.259.59NoNo 20.30IRC 2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS19.339.339.335.455.4842.42IRC 2025