Club Certificate2026
ThunderLAT-790
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 Angles44.9°42.0°39.3°37.2°36.7°36.4°36.2°36.6°38.2°
Beat VMG2.763.894.644.995.155.235.295.335.19
52°4.305.866.666.987.147.247.327.427.38
60°4.606.136.847.187.367.507.617.747.75
75°4.826.316.977.397.717.928.098.348.46
90°4.696.206.957.427.878.268.599.119.46
110°4.546.257.117.638.008.348.699.8210.81
120°4.376.127.077.698.278.769.2410.1711.07
135°3.865.516.687.368.078.919.8611.5813.11
150°3.204.645.846.777.418.068.8711.1214.45
Run VMG2.774.025.055.906.567.117.719.6312.51
Gybe Angles139.9°143.7°147.5°154.6°161.1°163.1°155.9°147.6°149.8°
APH ToD:527.2CDL: 8.972APH ToT: 1.1381CertNo:065/26
BOAT
ClassFARR 30 ODDesignerFARR YACHT DESIGNBuilderAge date01/1998Series date03/1996Offset fileFARR30.OD.offData fileLAT-790
HULL
Length Overall9.435 mMaximum Beam3.038 mDraft2.120 mDisplacement2,110 kgDLR3.5719IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.229%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.352m
CREW
Maximum weight566 kg(declared)Minimum weight436 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.8135.96Headsail Luffed20.3620.36Headsail FlyingSymmetric87.2987.28Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.38Storm Jib6.78Heavy Weather Jib18.30
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 49.4 kg·m Stability Index 122.9
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  04960004VTN Issued on 31/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ThunderLAT-790
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 VMG1304.0925.3775.6720.8699.5687.9680.2675.8693.9
52°837.7614.8540.4515.5504.4497.1491.5485.0487.8
60°782.9587.0526.5501.7488.8480.0473.3465.1464.5
75°746.8570.1516.6487.5467.2454.8445.1431.4425.5
90°768.2581.0517.8485.3457.5435.8419.1395.4380.5
110°793.8575.6506.1471.5450.3431.6414.4366.6333.1
120°823.7588.5509.5468.0435.3410.7389.6353.9325.3
135°932.1653.8538.9488.8445.8404.1365.1310.9274.7
150°1126.3775.1616.8532.0486.1446.4406.1323.7249.2
Run VMG1300.5895.0712.2609.8549.0506.1467.2373.8287.7
Selected Courses
Windward / Leeward1302.2910.1743.9665.3624.2597.0573.7524.8490.8
All purpose986.9705.1596.0545.8516.2494.2474.9440.0417.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward643.20.9328
All purpose527.21.1381
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8132
Downwind "popa"1.0212
70% up, 30% down "Ilhabela"0.8661
30% up, 70% down "Ilhabela-inverso"0.9484
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Predominantly Upwind573.71.0459
Predominantly Downwind525.11.1426
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP543.01.1050 Predom. Rc High410.71.4609 5B SF Bay L/M690.60.8688 TriNum AP Low650.60.9223 Predom. Dn Low782.50.7668 5B SF Bay Med611.10.9818 TriNum AP Med527.31.1380 Predom. Dn L/M592.01.0134 5B SF Bay M/H557.31.0767 TriNum AP High466.71.2857 Predom. Dn Med512.01.1718 5B SF Bay High517.41.1596 TriNum W/L Low866.70.6923 Predom. Dn M/H446.31.3445 5B AP Low717.70.8360 TriNum W/L Med641.10.9359 Predom. Dn High394.21.5220 5B AP L/M582.61.0299 TriNum W/L Hig561.21.0692 ChiMac Up Low698.90.8585 5B AP Med520.61.1525 Predom. Upwind593.51.0109 ChiMac Up Med640.70.9365 5B AP M/H475.81.2611 Predom. Reaching518.31.1577 ChiMac Up High570.01.0526 5B AP High442.21.3568 Predom. Downwind544.21.1026 ChiMac Off Low681.40.8805 5B W/L Low966.60.6207 Predom. Up Low780.30.7689 ChiMac Off Med605.30.9912 5B W/L L/M723.00.8299 Predom. Up L/M616.10.9738 ChiMac Off High509.51.1776 5B W/L Med632.20.9491 Predom. Up Med561.11.0693 ChiMac AP Low687.40.8729 5B W/L M/H573.61.0461 Predom. Up M/H526.81.1390 ChiMac AP Med621.10.9661 5B W/L High527.41.1377 Predom. Up High507.01.1834 ChiMac AP High538.61.1140 W/L 60-40 Low969.80.6187 Predom. Rc Low699.10.8583 BayMac Cove Island784.10.7652 W/L 60-40 L/M731.80.8199 Predom. Rc L/M551.81.0874 BayMac Shore778.20.7710 W/L 60-40 Med646.90.9275 Predom. Rc Med492.51.2183 Harvest Moon456.61.3139 W/L 60-40 M/H595.31.0078 Predom. Rc M/H443.91.3517 5B SF Bay Low816.40.7349 W/L 60-40 High557.81.0756      SA/DSPL Up33.46SA/DSPL Dn74.04
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance570.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating570.41.0518
FinRating, kevyt tuuli952.71.0496
FinRating, kova tuuli443.81.1265
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0518
Triple Number Coastal/Long Distance Low0.9223
Triple Number Coastal/Long Distance Medium1.1381
Triple Number Coastal/Long Distance High1.2857
Triple Number Windward/Leeward Low0.7255
Triple Number Windward/Leeward Medium0.9359
Triple Number Windward/Leeward High1.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
For information
General Purpose Handicap (GPH)585.9
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Saronikos S All Purpose584.11.0273
Saronikos S Upwind667.50.8989
Saronikos S Downwind483.31.2415
Saronikos N All Purpose622.00.9647
Saronikos N Upwind693.40.8653
Saronikos N Downwind543.51.1040
Saronikos SW All Purpose584.01.0275
Saronikos SW Upwind677.40.8858
Saronikos SW Downwind495.71.2104
Saronikos NE All Purpose640.50.9367
Saronikos NE Upwind651.80.9205
Saronikos NE Downwind606.30.9897
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose543.01.1050
5-Band All Purpose Low778.40.7709
5-Band All Purpose L/M602.90.9952
5-Band All Purpose Med535.71.1200
5-Band All Purpose M/H486.01.2345
5-Band All Purpose High450.41.3320
Single Number Predominant Upwind572.01.0489
Single Number Predominant Reaching502.81.1934
Single Number Predominant Downwind526.61.1395
5-Band 50-50 Windward/Leeward Low966.60.6207
5-Band 50-50 Windward/Leeward L/M723.00.8299
5-Band 50-50 Windward/Leeward Med632.20.9491
5-Band 50-50 Windward/Leeward M/H573.61.0461
5-Band 50-50 Windward/Leeward High527.41.1377
5-Band 60-40 Windward/Leeward Low969.80.6187
5-Band 60-40 Windward/Leeward L/M731.80.8199
5-Band 60-40 Windward/Leeward Med646.90.9275
5-Band 60-40 Windward/Leeward M/H595.31.0078
5-Band 60-40 Windward/Leeward High557.81.0756
Triple Number 50-50 Windward/Leeward Low866.70.6923
Triple Number 50-50 Windward/Leeward Med641.10.9358
Triple Number 50-50 Windward/Leeward High561.21.0692
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward658.00.9118
Triple Number 60-40 Windward/Leeward Low871.40.6885
Triple Number 60-40 Windward/Leeward Med654.90.9161
Triple Number 60-40 Windward/Leeward High585.01.0256
Triple Number All-Purpose Low705.50.8505
Triple Number All-Purpose Med543.11.1048
Triple Number All-Purpose High476.31.2596
Triple Number Predominant Upwind Low717.60.8362
Triple Number Predominant Upwind Med568.61.0552
Triple Number Predominant Upwind High529.31.1336
Triple Number Predominant Reaching Low641.60.9351
Triple Number Predominant Reaching Med508.41.1802
Triple Number Predominant Reaching High426.31.4074
Triple Number Predominant Downwind Low703.80.8525
Triple Number Predominant Downwind Med521.41.1508
Triple Number Predominant Downwind High420.71.4263
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low650.5
Triple Number Coastal/Long Distance Medium527.2
Triple Number Coastal/Long Distance High466.7
Triple Number Windward/Leeward Low827.0
Triple Number Windward/Leeward Medium641.1
Triple Number Windward/Leeward High561.2
Predominantly Upwind573.7
Predominantly Downwind525.1
Predominantly Reaching507.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9223
Triple Number Coastal/Long Distance Medium1.1381
Triple Number Coastal/Long Distance High1.2857
Triple Number Windward/Leeward Low0.7255
Triple Number Windward/Leeward Medium0.9359
Triple Number Windward/Leeward High1.0692
Coastal/Long Distance1.0518
Predominantly Upwind1.0459
Predominantly Downwind1.1426
For information
General Purpose Handicap (GPH)585.9
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1381
Distanseseilas Trippeltall svak vind0.9223
Distanseseilas Trippeltall mellomvind1.1381
Distanseseilas Trippeltall sterk vind1.2857
Pølsebane Trippeltall svak vind0.7255
Pølsebane Trippeltall mellomvind0.9359
Pølsebane Trippeltall sterk vind1.0692
Motvind Singeltall1.0459
Medvind Singeltall1.1426
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Coastal/Long Distance570.41.0518
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind573.71.0459
Predominantly Downwind525.11.1426
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore501.01.1976
Cape Doctor Coastal424.41.4138
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9223
Triple Number Coastal/Long Distance Medium1.1381
Triple Number Coastal/Long Distance High1.2857
Triple Number Windward/Leeward Low0.7255
Triple Number Windward/Leeward Medium0.9359
Triple Number Windward/Leeward High1.0692
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9223
Triple Number Coastal/Long Distance Medium1.1381
Triple Number Coastal/Long Distance High1.2857
Triple Number Windward/Leeward Low0.7255
Triple Number Windward/Leeward Medium0.9359
Triple Number Windward/Leeward High1.0692
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Predominantly Upwind573.71.0459
Predominantly Downwind525.11.1426
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.41.0518
Triple Number Coastal/Long Distance Low650.50.9223
Triple Number Coastal/Long Distance Medium527.21.1381
Triple Number Coastal/Long Distance High466.71.2857
Triple Number Windward/Leeward Low827.00.7255
Triple Number Windward/Leeward Medium641.10.9359
Triple Number Windward/Leeward High561.21.0692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1302.1908.6703.7606.5549.5512.5479.1421.1396.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP543.01.1050 Predom. Dn High394.21.5220 5B AP M/H475.81.2611 TriNum AP Low650.60.9223 Predom. Rc Low699.10.8583 5B AP High442.21.3568 TriNum AP Med527.31.1380 Predom. Rc L/M551.81.0874 5B SF Bay Low816.40.7349 TriNum AP High466.71.2857 Predom. Rc Med492.51.2183 5B SF Bay L/M690.60.8688 TriNum W/L Low866.70.6923 Predom. Rc M/H443.91.3517 5B SF Bay Med611.10.9818 TriNum W/L Med641.10.9359 Predom. Rc High410.71.4609 5B SF Bay M/H557.31.0767 TriNum W/L Hig561.21.0692 5B W/L Low966.60.6207 5B SF Bay High517.41.1596 Predom. Upwind593.51.0109 5B W/L L/M723.00.8299 ChiMac Up Low698.90.8585 Predom. Reaching518.31.1577 5B W/L Med632.20.9491 ChiMac Up Med640.70.9365 Predom. Downwind544.21.1026 5B W/L M/H573.61.0461 ChiMac Up High570.01.0526 Predom. Up Low780.30.7689 5B W/L High527.41.1377 ChiMac Off Low681.40.8805 Predom. Up L/M616.10.9738 W/L 60-40 Low969.80.6187 ChiMac Off Med605.30.9912 Predom. Up Med561.11.0693 W/L 60-40 L/M731.80.8199 ChiMac Off High509.51.1776 Predom. Up M/H526.81.1390 W/L 60-40 Med646.90.9275 ChiMac AP Low687.40.8729 Predom. Up High507.01.1834 W/L 60-40 M/H595.31.0078 ChiMac AP Med621.10.9661 Predom. Dn Low782.50.7668 W/L 60-40 High557.81.0756 ChiMac AP High538.61.1140 Predom. Dn L/M592.01.0134 5B AP Low717.70.8360 BayMac Cove Island784.10.7652 Predom. Dn Med512.01.1718 5B AP L/M582.61.0299 BayMac Shore778.20.7710 Predom. Dn M/H446.31.3445 5B AP Med520.61.1525 Harvest Moon456.61.3139      SA/DSPL Up33.46SA/DSPL Dn74.04
ORC Ref  04960004VTN Issued on 31/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ThunderLAT-790
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFARR 30 ODMeasurement26/07/2026HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall9.435Maximum beam3.038Draft2.120Displacement2,110Wetted area15.46IMS L8.829LSM08.390Accomod. length9.435Sink (kg/mm) 11.51
VCGD-0.411VCGM-0.347 RM Rated (kg·m) 49.4Limit of positive stability(°) 129.3 Stability Index 122.9 BLR index 0.0000Default crew weight536 Declared crew weight 566
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.352PBW0.090PIPA0.0032
EDL1.278ST10.042ST20.178
ST30.178ST40.114ST50.248
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastAdjustableRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.112IG11.640ISP13.620MDT10.085MDL10.143MDT20.065MDL20.105TL2.000MW0.143GO0.143
E4.423J3.320BAS1.255FSD0.027SFJ0.100SPL4.163WPLTPSBD0.134MWT64.30MCG4.755
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date02/04/2016
SFFP0.222FFM1.046FF1.048LCFcl5.250SG1.0162
SAFP8.685FAM0.783FA0.784LCFsh5.452HBI0.947
W133.4W233.4W333.4W433.4
PD1571.3PD2568.6PD3569.8PD4569.9
WD10.648PLM9000.00GSA1.0RSA1.0RM49.1
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG#BatteryVarta 12V, 600A20#BatteryVarta 12V, 600A20Total deductible0
ORC Ref  04960004VTN Issued on 31/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ThunderLAT-790
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM20.351.191.993.173.9434.8126/07/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1.5#20.070.500.951.772.583.4311.59YesNo 20.3626/07/2026J2-10.060.500.951.772.573.4211.55NoNo 20.2426/07/2026Heavy0.090.490.951.752.573.3911.60NoNo 20.2226/07/2026J2-20.060.490.951.762.563.4211.56YesNo 20.1926/07/2026J1.5#10.080.520.961.772.603.4111.41YesNo 20.1126/07/2026
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS2-113.8013.8013.807.756.9587.2910/01/2012S1.5-213.8713.8713.877.627.2687.2413/07/2012MH13.8413.8413.847.606.8585.9217/10/2024Rosa13.4513.4513.457.607.0083.8417/10/2024Frac10.8610.8610.866.896.8062.1917/10/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04960004VTN Issued on 31/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org