Club Certificate2026
Summer LightGBR 1244T
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 Angles46.3°43.7°41.9°39.7°37.7°37.1°37.0°37.9°39.6°
Beat VMG2.193.133.814.314.604.714.764.774.67
52°3.454.785.676.166.416.546.606.666.64
60°3.725.045.896.316.556.716.796.886.89
75°3.905.206.026.436.706.927.097.267.36
90°3.775.096.026.526.837.047.237.627.86
110°3.605.046.046.576.957.327.668.188.58
120°3.444.855.886.476.867.247.638.559.43
135°2.984.335.376.146.596.977.358.329.93
150°2.463.674.725.606.246.647.007.778.87
Run VMG2.133.184.094.885.566.106.507.177.91
Gybe Angles142.6°146.7°151.2°154.6°161.9°169.6°177.7°178.1°169.9°
APH ToD:617.2CDL: 7.547APH ToT: 0.9721CertNo:26078
BOAT
ClassLASER 28DesignerFARR BruceBuilderPerf. Sail CraftAge date01/1987Series date01/1983Offset filePOL14776.offData fileGBR1244T
HULL
Length Overall8.640Maximum Beam2.840Draft1.643Displacement2,336DLR5.4666IMS DivisionPerformanceDynamic Allowance0.250%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.328m
CREW
Maximum weight510(declared)Minimum weight380 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.7823.31Headsail Luffed20.3020.30Headsail FlyingSymmetric42.4242.42Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.80Storm Jib4.59Heavy Weather Jib12.37
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 46.9 Stability Index 114.4
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.
ORC Ref  051800048H0 Issued on 04/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Summer LightGBR 1244T
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 VMG1640.31151.1945.8836.1781.9763.6755.5754.6771.6
52°1042.2752.8634.4584.8561.3550.3545.3540.6541.9
60°969.0714.5610.9570.6549.2536.3530.2523.2522.2
75°924.1692.7598.1559.8537.4520.0507.8495.7489.3
90°953.8707.4598.5552.4527.1511.6497.7472.6458.2
110°1000.0713.7595.8548.1517.7492.1470.0440.0419.5
120°1045.6741.6612.3556.8524.8497.4471.8421.3381.9
135°1206.1831.1670.7586.5546.2516.7489.7432.6362.4
150°1462.8981.2762.9642.9577.1542.0514.5463.5405.9
Run VMG1689.11132.9880.2738.2647.0590.2553.6502.2455.1
Selected Courses
Windward / Leeward1664.71142.0913.0787.1714.4676.9654.5628.4613.3
All purpose1250.7878.3718.5638.4594.2569.6552.3526.6507.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward752.40.7974
All purpose617.20.9721
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7013
Downwind "popa"0.8326
70% up, 30% down "Ilhabela"0.7362
30% up, 70% down "Ilhabela-inverso"0.7883
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Predominantly Upwind665.00.9023
Predominantly Downwind630.20.9521
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP643.10.9329 Predom. Rc High499.11.2021 5B SF Bay L/M832.50.7207 TriNum AP Low798.40.7515 Predom. Dn Low984.20.6097 5B SF Bay Med709.00.8462 TriNum AP Med613.20.9784 Predom. Dn L/M716.10.8379 5B SF Bay M/H644.90.9304 TriNum AP High547.01.0969 Predom. Dn Med607.10.9884 5B SF Bay High617.20.9722 TriNum W/L Low1078.70.5562 Predom. Dn M/H540.81.1094 5B AP Low892.00.6726 TriNum W/L Med745.80.8045 Predom. Dn High498.61.2034 5B AP L/M695.40.8628 TriNum W/L Hig650.30.9226 ChiMac Up Low845.10.7099 5B AP Med604.30.9928 Predom. Upwind694.20.8643 ChiMac Up Med760.10.7893 5B AP M/H554.41.0822 Predom. Reaching618.70.9698 ChiMac Up High662.60.9055 5B AP High527.81.1369 Predom. Downwind660.40.9086 ChiMac Off Low840.30.7141 5B W/L Low1215.40.4936 Predom. Up Low966.80.6206 ChiMac Off Med738.00.8130 5B W/L L/M873.10.6872 Predom. Up L/M730.10.8218 ChiMac Off High617.00.9725 5B W/L Med731.90.8198 Predom. Up Med642.80.9334 ChiMac AP Low838.40.7156 5B W/L M/H658.90.9106 Predom. Up M/H602.00.9966 ChiMac AP Med746.00.8043 5B W/L High630.30.9519 Predom. Up High585.31.0250 ChiMac AP High637.90.9407 W/L 60-40 Low1216.80.4931 Predom. Rc Low867.30.6918 BayMac Cove Island967.50.6202 W/L 60-40 L/M881.10.6810 Predom. Rc L/M656.20.9143 BayMac Shore958.90.6257 W/L 60-40 Med745.40.8050 Predom. Rc Med576.61.0406 Harvest Moon545.21.1004 W/L 60-40 M/H678.90.8837 Predom. Rc M/H530.21.1317 5B SF Bay Low1018.40.5891 W/L 60-40 High655.80.9149      SA/DSPL Up24.41SA/DSPL Dn36.93
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance670.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating670.60.8948
FinRating, kevyt tuuli1199.00.8340
FinRating, kova tuuli529.90.9435
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8948
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium0.9785
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5839
Triple Number Windward/Leeward Medium0.8045
Triple Number Windward/Leeward High0.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
For information
General Purpose Handicap (GPH)694.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Saronikos S All_Purpose701.90.8548
Saronikos S Upwind786.50.7629
Saronikos S Downwind604.70.9923
Saronikos N All_Purpose701.90.8548
Saronikos N Upwind823.50.7286
Saronikos N Downwind664.50.9029
Saronikos SW All_Purpose710.10.8449
Saronikos SW Upwind810.90.7399
Saronikos SW Downwind614.90.9758
Saronikos NE All_Purpose771.30.7779
Saronikos NE Upwind775.10.7741
Saronikos NE Downwind749.30.8008
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose643.10.9329
5-Band All-Purpose Low970.60.6182
5-Band All-Purpose L/M720.70.8325
5-Band All-Purpose Med623.50.9623
5-Band All-Purpose M/H570.41.0518
5-Band All-Purpose High541.41.1082
Single Number Predominant Upwind663.40.9044
Single Number Predominant Reaching594.11.0099
Single Number Predominant Downwind631.10.9507
5-Band 50-50 Windward/Leeward Low1215.40.4936
5-Band 50-50 Windward/Leeward L/M873.10.6872
5-Band 50-50 Windward/Leeward Med731.90.8198
5-Band 50-50 Windward/Leeward M/H658.90.9106
5-Band 50-50 Windward/Leeward High630.30.9519
5-Band 60-40 Windward/Leeward Low1216.80.4931
5-Band 60-40 Windward/Leeward L/M881.10.6810
5-Band 60-40 Windward/Leeward Med745.40.8050
5-Band 60-40 Windward/Leeward M/H678.90.8837
5-Band 60-40 Windward/Leeward High655.80.9149
Triple Number 50-50 Windward/Leeward Low1078.70.5562
Triple Number 50-50 Windward/Leeward Med745.90.8044
Triple Number 50-50 Windward/Leeward High650.30.9226
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward765.90.7834
Triple Number 60-40 Windward/Leeward Low1082.30.5544
Triple Number 60-40 Windward/Leeward Med758.60.7910
Triple Number 60-40 Windward/Leeward High671.70.8933
Triple Number All-Purpose Low869.40.6901
Triple Number All-Purpose Med632.90.9479
Triple Number All-Purpose High562.41.0668
Triple Number Predominant Upwind Low879.00.6826
Triple Number Predominant Upwind Med653.90.9175
Triple Number Predominant Upwind High602.70.9956
Triple Number Predominant Reaching Low785.90.7635
Triple Number Predominant Reaching Med593.21.0115
Triple Number Predominant Reaching High513.21.1691
Triple Number Predominant Downwind Low874.70.6859
Triple Number Predominant Downwind Med618.80.9696
Triple Number Predominant Downwind High520.01.1538
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low798.4
Triple Number Coastal/Long Distance Medium613.2
Triple Number Coastal/Long Distance High547.0
Triple Number Windward/Leeward Low1027.6
Triple Number Windward/Leeward Medium745.8
Triple Number Windward/Leeward High650.3
Predominantly Upwind665.0
Predominantly Downwind630.2
Predominantly Reaching604.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium0.9785
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5839
Triple Number Windward/Leeward Medium0.8045
Triple Number Windward/Leeward High0.9226
Coastal/Long Distance0.8948
Predominantly Upwind0.9023
Predominantly Downwind0.9521
For information
General Purpose Handicap (GPH)694.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9721
Distanseseilas Trippeltall svak vind0.7515
Distanseseilas Trippeltall mellomvind0.9785
Distanseseilas Trippeltall sterk vind1.0969
Pølsebane Trippeltall svak vind0.5839
Pølsebane Trippeltall mellomvind0.8045
Pølsebane Trippeltall sterk vind0.9226
Motvind Singeltall0.9023
Medvind Singeltall0.9521
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Coastal/Long Distance670.60.8948
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind665.00.9023
Predominantly Downwind630.20.9521
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore617.80.9711
Cape Doctor Coastal513.21.1692
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium0.9785
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5839
Triple Number Windward/Leeward Medium0.8045
Triple Number Windward/Leeward High0.9226
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium0.9785
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5839
Triple Number Windward/Leeward Medium0.8045
Triple Number Windward/Leeward High0.9226
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Predominantly Upwind665.00.9023
Predominantly Downwind630.20.9521
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance670.60.8948
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium613.20.9785
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1027.60.5839
Triple Number Windward/Leeward Medium745.80.8045
Triple Number Windward/Leeward High650.30.9226
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1667.21141.1859.6714.1632.0590.8558.7502.7480.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP643.10.9329 Predom. Dn High498.61.2034 5B AP M/H554.41.0822 TriNum AP Low798.40.7515 Predom. Rc Low867.30.6918 5B AP High527.81.1369 TriNum AP Med613.20.9784 Predom. Rc L/M656.20.9143 5B SF Bay Low1018.40.5891 TriNum AP High547.01.0969 Predom. Rc Med576.61.0406 5B SF Bay L/M832.50.7207 TriNum W/L Low1078.70.5562 Predom. Rc M/H530.21.1317 5B SF Bay Med709.00.8462 TriNum W/L Med745.80.8045 Predom. Rc High499.11.2021 5B SF Bay M/H644.90.9304 TriNum W/L Hig650.30.9226 5B W/L Low1215.40.4936 5B SF Bay High617.20.9722 Predom. Upwind694.20.8643 5B W/L L/M873.10.6872 ChiMac Up Low845.10.7099 Predom. Reaching618.70.9698 5B W/L Med731.90.8198 ChiMac Up Med760.10.7893 Predom. Downwind660.40.9086 5B W/L M/H658.90.9106 ChiMac Up High662.60.9055 Predom. Up Low966.80.6206 5B W/L High630.30.9519 ChiMac Off Low840.30.7141 Predom. Up L/M730.10.8218 W/L 60-40 Low1216.80.4931 ChiMac Off Med738.00.8130 Predom. Up Med642.80.9334 W/L 60-40 L/M881.10.6810 ChiMac Off High617.00.9725 Predom. Up M/H602.00.9966 W/L 60-40 Med745.40.8050 ChiMac AP Low838.40.7156 Predom. Up High585.31.0250 W/L 60-40 M/H678.90.8837 ChiMac AP Med746.00.8043 Predom. Dn Low984.20.6097 W/L 60-40 High655.80.9149 ChiMac AP High637.90.9407 Predom. Dn L/M716.10.8379 5B AP Low892.00.6726 BayMac Cove Island967.50.6202 Predom. Dn Med607.10.9884 5B AP L/M695.40.8628 BayMac Shore958.90.6257 Predom. Dn M/H540.81.1094 5B AP Med604.30.9928 Harvest Moon545.21.1004      SA/DSPL Up24.41SA/DSPL Dn36.93
ORC Ref  051800048H0 Issued on 04/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Summer LightGBR 1244T
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLASER 28MeasurementHIN2134Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.640Maximum beam2.840Draft1.643Displacement2,336Wetted area14.96IMS L7.800LSM07.531Accomod. length8.640Sink (kg/mm) 11.35
VCGD-0.014VCGM-0.043 RM Rated (kg·m) 46.9Limit of positive stability(°) 119.0 Stability Index 114.4 BLR index 0.0000Default crew weight459 Declared crew weight 510
Centerboard weightList angleCanting keel angle
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
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders1Rotating mastNo
P9.900IG9.490ISP9.710MDT10.093MDL10.126MDT2MDL2TLMW0.126GO0.151
E3.920J2.930BAS1.310FSDSFJ0.070SPL3.470WPLTPS3.350BD0.101MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date02/08/2025
SFFP0.900FFMFF0.937LCFcl4.968SG
SAFP8.040FAMFA0.732LCFsh5.151HBI0.980
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  051800048H0 Issued on 04/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Summer LightGBR 1244T
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  051800048H0 Issued on 04/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org