Double HandedClub Certificate2026
ExpressLAT-43
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
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 Angles45.9°43.2°41.4°40.4°40.1°40.2°40.5°41.8°45.6°
Beat VMG2.213.163.854.264.394.434.444.364.17
52°3.454.805.716.226.396.466.496.506.42
60°3.705.065.946.426.626.706.756.796.77
75°3.895.246.106.576.877.077.187.307.34
90°3.905.396.326.716.937.277.547.848.00
110°3.945.486.457.017.477.768.028.478.75
120°3.815.336.346.917.458.008.459.229.93
135°3.334.775.886.587.107.638.2410.2311.95
150°2.754.025.105.996.577.017.488.8111.43
Run VMG2.383.484.425.185.726.156.547.639.90
Gybe Angles139.7°143.1°147.6°150.2°153.4°158.8°160.1°143.3°143.1°
APH ToD:605.0CDL: 7.205APH ToT: 0.9917CertNo:069/26
BOAT
ClassRS 280DesignerUAB PlastolitasBuilderUAB PlastolitasAge date06/2007Series date06/2002Offset fileRS280.OFFData fileLAT-43
HULL
Length Overall8.300 mMaximum Beam2.656 mDraft1.746 mDisplacement2,100 kgDLR4.6852IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameterm
CREW
Maximum weight150 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.8024.27Headsail Luffed16.1516.15Headsail FlyingSymmetricAsymmetric52.9852.98 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.99Storm Jib5.44Heavy Weather Jib14.69
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 48.9 kg·m Stability Index 115.1
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  04960004WER Issued on 14/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
ExpressLAT-43
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
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 VMG1632.51140.0935.3845.9820.3812.8811.7824.8864.2
52°1043.0749.3629.9579.2563.4557.2554.3553.6560.7
60°972.3711.3605.9560.8544.0537.2533.4530.0532.0
75°926.3686.5590.2547.9523.9509.5501.7493.2490.2
90°924.2667.6569.6536.5519.3495.0477.5459.1449.8
110°912.9656.8558.1513.8481.9463.9449.0425.0411.5
120°945.9674.9567.7520.6483.1450.1426.1390.5362.6
135°1082.0754.0612.1547.0507.1471.6436.6351.8301.3
150°1308.3895.7705.8601.5547.9513.2481.5408.9315.0
Run VMG1510.71034.3814.9694.5629.0585.1550.5472.1363.8
Selected Courses
Windward / Leeward1571.61087.1875.1770.2724.6699.0681.1648.4614.0
All purpose1187.6836.0688.1619.6587.1565.9550.2523.0503.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward753.60.7962
All purpose605.00.9917
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6784
Downwind "popa"0.8786
70% up, 30% down "Ilhabela"0.7282
30% up, 70% down "Ilhabela-inverso"0.8071
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Predominantly Upwind663.60.9041
Predominantly Downwind603.50.9941
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP630.30.9519 Predom. Rc High478.81.2531 5B SF Bay L/M808.50.7421 TriNum AP Low762.00.7874 Predom. Dn Low914.00.6565 5B SF Bay Med710.70.8442 TriNum AP Med601.10.9982 Predom. Dn L/M677.20.8861 5B SF Bay M/H661.00.9078 TriNum AP High543.91.1031 Predom. Dn Med585.91.0241 5B SF Bay High630.70.9514 TriNum W/L Low1029.70.5827 Predom. Dn M/H521.91.1497 5B AP Low844.70.7103 TriNum W/L Med746.00.8043 Predom. Dn High467.51.2833 5B AP L/M670.80.8944 TriNum W/L Hig673.30.8911 ChiMac Up Low827.50.7250 5B AP Med594.21.0098 Predom. Upwind692.70.8662 ChiMac Up Med751.60.7983 5B AP M/H551.31.0882 Predom. Reaching596.01.0067 ChiMac Up High663.90.9037 5B AP High524.31.1444 Predom. Downwind628.60.9546 ChiMac Off Low788.60.7608 5B W/L Low1155.20.5194 Predom. Up Low939.40.6387 ChiMac Off Med698.70.8587 5B W/L L/M847.10.7083 Predom. Up L/M716.50.8374 ChiMac Off High588.41.0197 5B W/L Med736.70.8145 Predom. Up Med645.20.9300 ChiMac AP Low804.20.7461 5B W/L M/H682.20.8795 Predom. Up M/H613.40.9781 ChiMac AP Med722.40.8305 5B W/L High648.10.9258 Predom. Up High599.91.0002 ChiMac AP High624.50.9607 W/L 60-40 Low1166.60.5143 Predom. Rc Low820.50.7313 BayMac Cove Island927.90.6466 W/L 60-40 L/M861.10.6968 Predom. Rc L/M628.20.9550 BayMac Shore921.00.6515 W/L 60-40 Med755.70.7939 Predom. Rc Med560.41.0706 Harvest Moon520.11.1537 W/L 60-40 M/H708.70.8466 Predom. Rc M/H513.41.1686 5B SF Bay Low973.60.6163 W/L 60-40 High684.40.8767      SA/DSPL Up24.31SA/DSPL Dn46.70
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance658.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating658.20.9115
FinRating, kevyt tuuli1136.40.8800
FinRating, kova tuuli524.30.9537
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9115
Triple Number Coastal/Long Distance Low0.7874
Triple Number Coastal/Long Distance Medium0.9983
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6115
Triple Number Windward/Leeward Medium0.8043
Triple Number Windward/Leeward High0.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
For information
General Purpose Handicap (GPH)675.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Saronikos S All Purpose688.30.8717
Saronikos S Upwind788.90.7606
Saronikos S Downwind559.71.0720
Saronikos N All Purpose731.20.8205
Saronikos N Upwind830.00.7229
Saronikos N Downwind616.30.9736
Saronikos SW All Purpose686.10.8745
Saronikos SW Upwind804.70.7457
Saronikos SW Downwind564.11.0636
Saronikos NE All Purpose749.80.8002
Saronikos NE Upwind774.90.7743
Saronikos NE Downwind688.20.8719
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose630.30.9519
5-Band All Purpose Low922.20.6506
5-Band All Purpose L/M694.70.8637
5-Band All Purpose Med614.40.9765
5-Band All Purpose M/H567.01.0582
5-Band All Purpose High533.91.1238
Single Number Predominant Upwind662.20.9061
Single Number Predominant Reaching574.01.0453
Single Number Predominant Downwind604.80.9921
5-Band 50-50 Windward/Leeward Low1155.20.5194
5-Band 50-50 Windward/Leeward L/M847.10.7083
5-Band 50-50 Windward/Leeward Med736.70.8145
5-Band 50-50 Windward/Leeward M/H682.20.8795
5-Band 50-50 Windward/Leeward High648.10.9258
5-Band 60-40 Windward/Leeward Low1166.60.5143
5-Band 60-40 Windward/Leeward L/M861.10.6968
5-Band 60-40 Windward/Leeward Med755.70.7939
5-Band 60-40 Windward/Leeward M/H708.70.8466
5-Band 60-40 Windward/Leeward High684.40.8767
Triple Number 50-50 Windward/Leeward Low1029.70.5827
Triple Number 50-50 Windward/Leeward Med746.00.8043
Triple Number 50-50 Windward/Leeward High673.30.8911
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward773.10.7761
Triple Number 60-40 Windward/Leeward Low1041.40.5762
Triple Number 60-40 Windward/Leeward Med764.10.7852
Triple Number 60-40 Windward/Leeward High702.00.8547
Triple Number All-Purpose Low828.30.7244
Triple Number All-Purpose Med621.70.9652
Triple Number All-Purpose High558.01.0753
Triple Number Predominant Upwind Low853.60.7029
Triple Number Predominant Upwind Med653.00.9189
Triple Number Predominant Upwind High618.40.9703
Triple Number Predominant Reaching Low745.80.8045
Triple Number Predominant Reaching Med577.61.0389
Triple Number Predominant Reaching High492.51.2182
Triple Number Predominant Downwind Low817.00.7344
Triple Number Predominant Downwind Med594.71.0089
Triple Number Predominant Downwind High493.71.2154
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low762.0
Triple Number Coastal/Long Distance Medium601.0
Triple Number Coastal/Long Distance High543.9
Triple Number Windward/Leeward Low981.2
Triple Number Windward/Leeward Medium746.0
Triple Number Windward/Leeward High673.3
Predominantly Upwind663.6
Predominantly Downwind603.5
Predominantly Reaching580.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7874
Triple Number Coastal/Long Distance Medium0.9983
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6115
Triple Number Windward/Leeward Medium0.8043
Triple Number Windward/Leeward High0.8911
Coastal/Long Distance0.9115
Predominantly Upwind0.9041
Predominantly Downwind0.9941
For information
General Purpose Handicap (GPH)675.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9917
Distanseseilas Trippeltall svak vind0.7874
Distanseseilas Trippeltall mellomvind0.9983
Distanseseilas Trippeltall sterk vind1.1031
Pølsebane Trippeltall svak vind0.6115
Pølsebane Trippeltall mellomvind0.8043
Pølsebane Trippeltall sterk vind0.8911
Motvind Singeltall0.9041
Medvind Singeltall0.9941
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Coastal/Long Distance658.20.9115
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind663.60.9041
Predominantly Downwind603.50.9941
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore624.30.9611
Cape Doctor Coastal509.11.1786
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7874
Triple Number Coastal/Long Distance Medium0.9983
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6115
Triple Number Windward/Leeward Medium0.8043
Triple Number Windward/Leeward High0.8911
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7874
Triple Number Coastal/Long Distance Medium0.9983
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6115
Triple Number Windward/Leeward Medium0.8043
Triple Number Windward/Leeward High0.8911
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Predominantly Upwind663.60.9041
Predominantly Downwind603.50.9941
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance658.20.9115
Triple Number Coastal/Long Distance Low762.00.7874
Triple Number Coastal/Long Distance Medium601.00.9983
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low981.20.6115
Triple Number Windward/Leeward Medium746.00.8043
Triple Number Windward/Leeward High673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1565.51081.8822.5695.6628.6588.0553.1492.5467.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP630.30.9519 Predom. Dn High467.51.2833 5B AP M/H551.31.0882 TriNum AP Low762.00.7874 Predom. Rc Low820.50.7313 5B AP High524.31.1444 TriNum AP Med601.10.9982 Predom. Rc L/M628.20.9550 5B SF Bay Low973.60.6163 TriNum AP High543.91.1031 Predom. Rc Med560.41.0706 5B SF Bay L/M808.50.7421 TriNum W/L Low1029.70.5827 Predom. Rc M/H513.41.1686 5B SF Bay Med710.70.8442 TriNum W/L Med746.00.8043 Predom. Rc High478.81.2531 5B SF Bay M/H661.00.9078 TriNum W/L Hig673.30.8911 5B W/L Low1155.20.5194 5B SF Bay High630.70.9514 Predom. Upwind692.70.8662 5B W/L L/M847.10.7083 ChiMac Up Low827.50.7250 Predom. Reaching596.01.0067 5B W/L Med736.70.8145 ChiMac Up Med751.60.7983 Predom. Downwind628.60.9546 5B W/L M/H682.20.8795 ChiMac Up High663.90.9037 Predom. Up Low939.40.6387 5B W/L High648.10.9258 ChiMac Off Low788.60.7608 Predom. Up L/M716.50.8374 W/L 60-40 Low1166.60.5143 ChiMac Off Med698.70.8587 Predom. Up Med645.20.9300 W/L 60-40 L/M861.10.6968 ChiMac Off High588.41.0197 Predom. Up M/H613.40.9781 W/L 60-40 Med755.70.7939 ChiMac AP Low804.20.7461 Predom. Up High599.91.0002 W/L 60-40 M/H708.70.8466 ChiMac AP Med722.40.8305 Predom. Dn Low914.00.6565 W/L 60-40 High684.40.8767 ChiMac AP High624.50.9607 Predom. Dn L/M677.20.8861 5B AP Low844.70.7103 BayMac Cove Island927.90.6466 Predom. Dn Med585.91.0241 5B AP L/M670.80.8944 BayMac Shore921.00.6515 Predom. Dn M/H521.91.1497 5B AP Med594.21.0098 Harvest Moon520.11.1537      SA/DSPL Up24.31SA/DSPL Dn46.70
ORC Ref  04960004WER Issued on 14/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
ExpressLAT-43
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassRS 280Measurement29/07/2026HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.300Maximum beam2.656Draft1.746Displacement2,100Wetted area15.82IMS L7.782LSM07.652Accomod. length8.282Sink (kg/mm) 11.85
VCGD-0.060VCGM-0.077 RM Rated (kg·m) 48.9Limit of positive stability(°) 118.4 Stability Index 115.1 BLR index 0.0000Default crew weight170 Declared crew weight 150
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRDPBW
EDLST1ST2
ST3ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P10.570IG10.397ISP10.802MDT10.115MDL10.160MDT20.105MDL20.120TL1.122MW0.159GO0.169
E3.775J3.105BAS1.227FSD0.035SFJ0.000SPL0.000WPLTPS3.865BD0.135MWT80.50MCG4.480
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date29/07/2026
SFFP0.500FFMFF0.892LCFcl4.468SG
SAFP7.839FAMFA0.645LCFsh4.650HBI0.740
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04960004WER Issued on 14/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
ExpressLAT-43
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.190.751.342.423.2723.8029/07/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.050.370.721.522.483.509.88NoNo 16.1529/07/2026
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment010.9510.1110.535.896.6389%52.9829/07/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04960004WER Issued on 14/08/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org