Non Spin/HSFClub Certificate2026
MweraRSA-1211
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 Angles46.7°44.6°42.6°41.2°40.4°39.7°39.3°39.6°40.8°
Beat VMG1.882.783.473.974.384.654.774.814.69
52°2.964.315.245.916.416.716.856.936.88
60°3.214.585.516.176.636.917.067.167.15
75°3.394.785.726.396.817.097.297.537.58
90°3.284.675.666.376.827.137.387.758.00
110°2.884.245.316.146.737.107.397.958.48
120°2.683.995.065.916.566.997.307.878.46
135°2.313.504.545.416.136.687.057.638.22
150°1.993.024.004.865.616.256.737.367.92
Run VMG1.722.623.494.305.055.716.297.097.64
Gybe Angles150.5°152.3°156.8°175.7°177.1°178.0°178.6°179.3°179.3°
APH ToD:654.7CDL: 7.964APH ToT: 0.9164CertNo:ZAN269
BOAT
ClassLavranos 34DesignerAngelo LavranosBuilderJohn Robertson YacAge date01/1987Series date01/1986Offset fileSA92031cor.offData fileRSA1211
HULL
Length Overall10.530Maximum Beam3.326Draft1.980Displacement5,075DLR6.1393IMS DivisionCruiser/RacerDynamic Allowance0.370%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeSolid 3 bladesDiameter0.220m
CREW
Maximum weight340(declared)Minimum weight210 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.3728.77Headsail Luffed21.5521.55Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.63Storm Jib7.01Heavy Weather Jib18.91
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 105.0 Stability Index 117.5
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  046200048WQ Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MweraRSA-1211
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 VMG1919.21292.81038.8906.2821.8774.1754.4749.1767.6
52°1215.1835.5687.3609.1561.5536.6525.3519.8523.3
60°1121.4785.2653.6583.1543.0521.1509.8502.6503.3
75°1063.5753.9629.6563.4528.4507.6493.5478.4474.8
90°1098.1771.1636.6565.5527.8505.0487.7464.3450.0
110°1251.6849.0678.1586.1535.3507.0486.9453.1424.6
120°1344.9902.0711.3609.0548.7515.3493.5457.7425.3
135°1557.71029.1793.0665.8587.5539.3510.7472.1437.9
150°1810.41191.4900.3740.2642.0576.3534.6488.9454.8
Run VMG2089.41373.31032.0836.5713.3630.4571.9507.9471.2
Selected Courses
Windward / Leeward2004.31333.11035.4871.4767.5702.3663.2628.5619.4
All purpose1508.21017.0805.5691.5622.4580.7556.0530.6518.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward812.90.7381
All purpose654.70.9164
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6628
Downwind "popa"0.7413
70% up, 30% down "Ilhabela"0.6845
30% up, 70% down "Ilhabela-inverso"0.7159
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Predominantly Upwind700.10.8570
Predominantly Downwind684.70.8763
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP682.60.8790 Predom. Rc High504.51.1892 5B SF Bay L/M934.10.6423 TriNum AP Low911.20.6584 Predom. Dn Low1176.20.5101 5B SF Bay Med760.40.7891 TriNum AP Med650.40.9225 Predom. Dn L/M810.10.7406 5B SF Bay M/H658.40.9112 TriNum AP High552.71.0857 Predom. Dn Med650.80.9219 5B SF Bay High624.40.9609 TriNum W/L Low1249.80.4801 Predom. Dn M/H554.51.0820 5B AP Low1045.00.5742 TriNum W/L Med808.20.7424 Predom. Dn High512.31.1712 5B AP L/M769.40.7798 TriNum W/L Hig659.90.9092 ChiMac Up Low945.20.6348 5B AP Med636.70.9424 Predom. Upwind737.10.8139 ChiMac Up Med828.40.7243 5B AP M/H561.51.0686 Predom. Reaching662.20.9060 ChiMac Up High694.10.8645 5B AP High532.91.1260 Predom. Downwind726.80.8256 ChiMac Off Low975.90.6148 5B W/L Low1426.50.4206 Predom. Up Low1108.70.5412 ChiMac Off Med833.40.7199 5B W/L L/M981.90.6111 Predom. Up L/M797.00.7528 ChiMac Off High668.10.8981 5B W/L Med787.50.7619 Predom. Up Med669.20.8966 ChiMac AP Low953.30.6294 5B W/L M/H672.70.8919 Predom. Up M/H600.80.9987 ChiMac AP Med825.70.7267 5B W/L High632.90.9480 Predom. Up High581.21.0324 ChiMac AP High677.70.8853 W/L 60-40 Low1418.40.4230 Predom. Rc Low1009.00.5947 BayMac Cove Island1117.30.5370 W/L 60-40 L/M985.00.6091 Predom. Rc L/M721.00.8322 BayMac Shore1105.20.5429 W/L 60-40 Med798.10.7518 Predom. Rc Med601.70.9972 Harvest Moon566.81.0586 W/L 60-40 M/H690.70.8687 Predom. Rc M/H533.51.1248 5B SF Bay Low1179.30.5088 W/L 60-40 High657.00.9133      SA/DSPL Up16.81SA/DSPL Dn16.81
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance717.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating717.10.8368
FinRating, kevyt tuuli1413.80.7073
FinRating, kova tuuli537.20.9308
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8368
Triple Number Coastal/Long Distance Low0.6584
Triple Number Coastal/Long Distance Medium0.9227
Triple Number Coastal/Long Distance High1.0857
Triple Number Windward/Leeward Low0.5067
Triple Number Windward/Leeward Medium0.7424
Triple Number Windward/Leeward High0.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
For information
General Purpose Handicap (GPH)748.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Saronikos S All_Purpose757.10.7925
Saronikos S Upwind845.40.7097
Saronikos S Downwind673.10.8914
Saronikos N All_Purpose757.10.7925
Saronikos N Upwind888.90.6750
Saronikos N Downwind762.00.7874
Saronikos SW All_Purpose779.20.7700
Saronikos SW Upwind882.70.6797
Saronikos SW Downwind697.20.8606
Saronikos NE All_Purpose861.40.6966
Saronikos NE Upwind835.40.7182
Saronikos NE Downwind887.50.6761
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose682.60.8790
5-Band All-Purpose Low1133.50.5293
5-Band All-Purpose L/M798.90.7510
5-Band All-Purpose Med657.40.9127
5-Band All-Purpose M/H576.01.0416
5-Band All-Purpose High545.21.1005
Single Number Predominant Upwind698.10.8594
Single Number Predominant Reaching628.30.9549
Single Number Predominant Downwind685.80.8749
5-Band 50-50 Windward/Leeward Low1426.50.4206
5-Band 50-50 Windward/Leeward L/M981.90.6111
5-Band 50-50 Windward/Leeward Med787.50.7619
5-Band 50-50 Windward/Leeward M/H672.70.8919
5-Band 50-50 Windward/Leeward High632.90.9480
5-Band 60-40 Windward/Leeward Low1418.40.4230
5-Band 60-40 Windward/Leeward L/M985.00.6091
5-Band 60-40 Windward/Leeward Med798.10.7518
5-Band 60-40 Windward/Leeward M/H690.70.8687
5-Band 60-40 Windward/Leeward High657.00.9133
Triple Number 50-50 Windward/Leeward Low1249.80.4801
Triple Number 50-50 Windward/Leeward Med808.30.7423
Triple Number 50-50 Windward/Leeward High659.90.9092
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward823.10.7289
Triple Number 60-40 Windward/Leeward Low1245.50.4818
Triple Number 60-40 Windward/Leeward Med817.90.7336
Triple Number 60-40 Windward/Leeward High679.40.8831
Triple Number All-Purpose Low999.60.6003
Triple Number All-Purpose Med672.20.8926
Triple Number All-Purpose High566.51.0591
Triple Number Predominant Upwind Low996.10.6023
Triple Number Predominant Upwind Med687.30.8730
Triple Number Predominant Upwind High597.51.0042
Triple Number Predominant Reaching Low897.90.6682
Triple Number Predominant Reaching Med624.10.9615
Triple Number Predominant Reaching High515.31.1643
Triple Number Predominant Downwind Low1028.30.5835
Triple Number Predominant Downwind Med670.10.8954
Triple Number Predominant Downwind High534.21.1231
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low911.3
Triple Number Coastal/Long Distance Medium650.3
Triple Number Coastal/Long Distance High552.6
Triple Number Windward/Leeward Low1184.1
Triple Number Windward/Leeward Medium808.2
Triple Number Windward/Leeward High659.9
Predominantly Upwind700.1
Predominantly Downwind684.7
Predominantly Reaching646.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6584
Triple Number Coastal/Long Distance Medium0.9227
Triple Number Coastal/Long Distance High1.0857
Triple Number Windward/Leeward Low0.5067
Triple Number Windward/Leeward Medium0.7424
Triple Number Windward/Leeward High0.9092
Coastal/Long Distance0.8368
Predominantly Upwind0.8570
Predominantly Downwind0.8763
For information
General Purpose Handicap (GPH)748.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9164
Distanseseilas Trippeltall svak vind0.6584
Distanseseilas Trippeltall mellomvind0.9227
Distanseseilas Trippeltall sterk vind1.0857
Pølsebane Trippeltall svak vind0.5067
Pølsebane Trippeltall mellomvind0.7424
Pølsebane Trippeltall sterk vind0.9092
Motvind Singeltall0.8570
Medvind Singeltall0.8763
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Coastal/Long Distance717.10.8368
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind700.10.8570
Predominantly Downwind684.70.8763
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore622.10.9644
Cape Doctor Coastal522.11.1493
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6584
Triple Number Coastal/Long Distance Medium0.9227
Triple Number Coastal/Long Distance High1.0857
Triple Number Windward/Leeward Low0.5067
Triple Number Windward/Leeward Medium0.7424
Triple Number Windward/Leeward High0.9092
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6584
Triple Number Coastal/Long Distance Medium0.9227
Triple Number Coastal/Long Distance High1.0857
Triple Number Windward/Leeward Low0.5067
Triple Number Windward/Leeward Medium0.7424
Triple Number Windward/Leeward High0.9092
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Predominantly Upwind700.10.8570
Predominantly Downwind684.70.8763
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance717.10.8368
Triple Number Coastal/Long Distance Low911.30.6584
Triple Number Coastal/Long Distance Medium650.30.9227
Triple Number Coastal/Long Distance High552.61.0857
Triple Number Windward/Leeward Low1184.10.5067
Triple Number Windward/Leeward Medium808.20.7424
Triple Number Windward/Leeward High659.90.9092
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2012.81337.1973.4782.8666.4603.3562.1507.5491.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP682.60.8790 Predom. Dn High512.31.1712 5B AP M/H561.51.0686 TriNum AP Low911.20.6584 Predom. Rc Low1009.00.5947 5B AP High532.91.1260 TriNum AP Med650.40.9225 Predom. Rc L/M721.00.8322 5B SF Bay Low1179.30.5088 TriNum AP High552.71.0857 Predom. Rc Med601.70.9972 5B SF Bay L/M934.10.6423 TriNum W/L Low1249.80.4801 Predom. Rc M/H533.51.1248 5B SF Bay Med760.40.7891 TriNum W/L Med808.20.7424 Predom. Rc High504.51.1892 5B SF Bay M/H658.40.9112 TriNum W/L Hig659.90.9092 5B W/L Low1426.50.4206 5B SF Bay High624.40.9609 Predom. Upwind737.10.8139 5B W/L L/M981.90.6111 ChiMac Up Low945.20.6348 Predom. Reaching662.20.9060 5B W/L Med787.50.7619 ChiMac Up Med828.40.7243 Predom. Downwind726.80.8256 5B W/L M/H672.70.8919 ChiMac Up High694.10.8645 Predom. Up Low1108.70.5412 5B W/L High632.90.9480 ChiMac Off Low975.90.6148 Predom. Up L/M797.00.7528 W/L 60-40 Low1418.40.4230 ChiMac Off Med833.40.7199 Predom. Up Med669.20.8966 W/L 60-40 L/M985.00.6091 ChiMac Off High668.10.8981 Predom. Up M/H600.80.9987 W/L 60-40 Med798.10.7518 ChiMac AP Low953.30.6294 Predom. Up High581.21.0324 W/L 60-40 M/H690.70.8687 ChiMac AP Med825.70.7267 Predom. Dn Low1176.20.5101 W/L 60-40 High657.00.9133 ChiMac AP High677.70.8853 Predom. Dn L/M810.10.7406 5B AP Low1045.00.5742 BayMac Cove Island1117.30.5370 Predom. Dn Med650.80.9219 5B AP L/M769.40.7798 BayMac Shore1105.20.5429 Predom. Dn M/H554.51.0820 5B AP Med636.70.9424 Harvest Moon566.81.0586      SA/DSPL Up16.81SA/DSPL Dn16.81
ORC Ref  046200048WQ Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MweraRSA-1211
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLavranos 34Measurement05/12/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.530Maximum beam3.326Draft1.980Displacement5,075Wetted area24.00IMS L9.324LSM09.384Accomod. length10.383Sink (kg/mm) 18.04
VCGD0.054VCGM0.062 RM Rated (kg·m) 105.0Limit of positive stability(°) 115.8 Stability Index 117.5 BLR index 0.0000Default crew weight629 Declared crew weight 340
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.220PBW0.128PIPA0.0089
PSD0.025PHD0.050PHL0.070
PSA25.0°ESL0.875
ST10.016ST20.096ST30.110
ST40.050ST50.190
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P12.265IG11.470ISP11.530MDT10.115MDL10.202MDT20.073MDL20.130TL2.255MW0.130GO0.240
E4.020J3.580BAS1.460FSD0.034SFJ0.015SPL3.720WPLTPSBD0.140MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/12/2024
SFFP0.920FFMFF1.182LCFcl5.970SG
SAFP9.931FAMFA0.936LCFsh6.199HBI1.103
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  046200048WQ Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MweraRSA-1211
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.160.771.412.463.3028.3712/10/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.060.500.951.953.014.0810.78NoNo 21.5512/10/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.4 mTable area0.44 m²Headroom1.73 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity88 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity58 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  046200048WQ Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org