Non Spin/HSFClub Certificate2026
LapwingRSA-010
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 Angles46.8°43.9°41.8°40.1°38.6°38.0°37.8°38.0°39.1°
Beat VMG2.223.203.934.474.814.965.025.034.95
52°3.504.915.866.476.826.977.047.107.08
60°3.775.186.106.666.987.167.247.327.33
75°3.965.356.276.807.127.367.537.697.78
90°3.835.236.196.787.137.407.658.028.24
110°3.234.655.746.527.017.367.698.349.02
120°3.004.395.486.326.877.247.578.279.12
135°2.563.844.925.806.496.957.297.958.73
150°2.153.274.295.185.946.556.987.618.27
Run VMG1.862.833.724.545.285.956.517.247.83
Gybe Angles144.7°148.0°152.3°158.6°167.6°172.7°177.2°179.2°179.5°
APH ToD:611.8CDL: 8.586APH ToT: 0.9807CertNo:ZAN084
BOAT
ClassLavranos 34DesignerAngelo LavranosBuilderJohn Robertson YacAge date01/1987Series date01/1986Offset fileSA92031cor.offData fileRSA010
HULL
Length Overall10.530Maximum Beam3.326Draft1.938Displacement4,360DLR5.9502IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight560(declared)Minimum weight430 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.4831.00Headsail Luffed29.5429.54Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.04Storm Jib6.45Heavy Weather Jib17.41
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 99.5 Stability Index 117.5
COMMENTS
Fuel 35kg at weighing Displacement wt 4,390 kg inc Fuel
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  046200048SB Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
LapwingRSA-010
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 VMG1621.31125.5916.9805.7747.7726.4717.2715.2727.7
52°1028.2733.3614.8556.5528.2516.2511.3507.3508.3
60°954.5694.5589.7540.8515.8503.1497.3491.9491.0
75°909.6672.6573.9529.3505.5489.2478.2468.1462.8
90°940.9688.2581.1531.1505.0486.5470.9448.7437.0
110°1115.7773.4627.6551.8513.4489.1468.4431.6399.0
120°1201.2820.1657.2570.0524.1497.1475.4435.5394.7
135°1405.2937.3731.7620.5554.8517.8493.7453.0412.3
150°1672.91101.5838.8694.6605.7549.5516.0473.3435.4
Run VMG1931.71271.9966.8793.6681.7604.9552.8497.1459.7
Selected Courses
Windward / Leeward1776.51198.7941.9799.7714.7665.7635.0606.1593.7
All purpose1325.6912.6733.3638.2584.4554.1534.8511.4495.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward755.40.7943
All purpose611.80.9807
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7298
Downwind "popa"0.7823
70% up, 30% down "Ilhabela"0.7448
30% up, 70% down "Ilhabela-inverso"0.7658
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Predominantly Upwind648.00.9259
Predominantly Downwind642.80.9334
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP638.70.9394 Predom. Rc High486.91.2322 5B SF Bay L/M849.30.7065 TriNum AP Low823.00.7290 Predom. Dn Low1066.30.5627 5B SF Bay Med706.10.8497 TriNum AP Med607.20.9881 Predom. Dn L/M749.40.8007 5B SF Bay M/H627.90.9555 TriNum AP High530.91.1302 Predom. Dn Med614.40.9765 5B SF Bay High599.21.0013 TriNum W/L Low1126.70.5325 Predom. Dn M/H533.81.1240 5B AP Low937.90.6397 TriNum W/L Med749.70.8003 Predom. Dn High495.01.2122 5B AP L/M704.20.8520 TriNum W/L Hig631.80.9496 ChiMac Up Low842.90.7118 5B AP Med596.61.0058 Predom. Upwind678.40.8844 ChiMac Up Med750.10.7999 5B AP M/H538.31.1146 Predom. Reaching616.60.9731 ChiMac Up High644.20.9314 5B AP High512.81.1701 Predom. Downwind679.80.8826 ChiMac Off Low894.20.6710 5B W/L Low1278.90.4691 Predom. Up Low975.30.6152 ChiMac Off Med771.90.7773 5B W/L L/M896.00.6696 Predom. Up L/M720.90.8323 ChiMac Off High629.30.9535 5B W/L Med733.00.8186 Predom. Up Med622.50.9638 ChiMac AP Low862.00.6960 5B W/L M/H642.10.9345 Predom. Up M/H575.61.0424 ChiMac AP Med756.30.7933 5B W/L High609.00.9853 Predom. Up High559.91.0717 ChiMac AP High633.80.9467 W/L 60-40 Low1262.60.4752 Predom. Rc Low900.70.6661 BayMac Cove Island1005.60.5967 W/L 60-40 L/M893.50.6715 Predom. Rc L/M662.10.9062 BayMac Shore993.60.6038 W/L 60-40 Med739.50.8114 Predom. Rc Med567.01.0583 Harvest Moon538.71.1137 W/L 60-40 M/H657.80.9121 Predom. Rc M/H513.51.1684 5B SF Bay Low1057.30.5675 W/L 60-40 High630.70.9513      SA/DSPL Up22.38SA/DSPL Dn22.38
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance669.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating669.00.8969
FinRating, kevyt tuuli1265.60.7901
FinRating, kova tuuli516.30.9684
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8969
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9882
Triple Number Coastal/Long Distance High1.1302
Triple Number Windward/Leeward Low0.5606
Triple Number Windward/Leeward Medium0.8003
Triple Number Windward/Leeward High0.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
For information
General Purpose Handicap (GPH)694.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Saronikos S All_Purpose693.30.8654
Saronikos S Upwind758.70.7908
Saronikos S Downwind634.10.9462
Saronikos N All_Purpose693.30.8654
Saronikos N Upwind796.60.7532
Saronikos N Downwind709.10.8462
Saronikos SW All_Purpose708.50.8468
Saronikos SW Upwind785.90.7635
Saronikos SW Downwind651.70.9206
Saronikos NE All_Purpose784.30.7650
Saronikos NE Upwind749.70.8003
Saronikos NE Downwind816.50.7348
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose638.70.9394
5-Band All-Purpose Low1012.50.5926
5-Band All-Purpose L/M731.10.8206
5-Band All-Purpose Med616.30.9735
5-Band All-Purpose M/H553.11.0847
5-Band All-Purpose High525.91.1408
Single Number Predominant Upwind645.80.9290
Single Number Predominant Reaching588.31.0199
Single Number Predominant Downwind644.20.9314
5-Band 50-50 Windward/Leeward Low1278.90.4691
5-Band 50-50 Windward/Leeward L/M896.00.6696
5-Band 50-50 Windward/Leeward Med733.00.8186
5-Band 50-50 Windward/Leeward M/H642.10.9345
5-Band 50-50 Windward/Leeward High609.00.9853
5-Band 60-40 Windward/Leeward Low1262.60.4752
5-Band 60-40 Windward/Leeward L/M893.50.6715
5-Band 60-40 Windward/Leeward Med739.50.8114
5-Band 60-40 Windward/Leeward M/H657.80.9121
5-Band 60-40 Windward/Leeward High630.70.9513
Triple Number 50-50 Windward/Leeward Low1126.70.5325
Triple Number 50-50 Windward/Leeward Med749.80.8002
Triple Number 50-50 Windward/Leeward High631.90.9496
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward761.60.7878
Triple Number 60-40 Windward/Leeward Low1115.40.5379
Triple Number 60-40 Windward/Leeward Med755.00.7947
Triple Number 60-40 Windward/Leeward High649.20.9242
Triple Number All-Purpose Low899.50.6670
Triple Number All-Purpose Med627.90.9556
Triple Number All-Purpose High545.11.1006
Triple Number Predominant Upwind Low884.50.6783
Triple Number Predominant Upwind Med635.70.9438
Triple Number Predominant Upwind High573.81.0456
Triple Number Predominant Reaching Low808.40.7422
Triple Number Predominant Reaching Med584.91.0258
Triple Number Predominant Reaching High497.21.2067
Triple Number Predominant Downwind Low936.60.6406
Triple Number Predominant Downwind Med631.80.9496
Triple Number Predominant Downwind High515.61.1636
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low823.0
Triple Number Coastal/Long Distance Medium607.2
Triple Number Coastal/Long Distance High530.9
Triple Number Windward/Leeward Low1070.3
Triple Number Windward/Leeward Medium749.7
Triple Number Windward/Leeward High631.8
Predominantly Upwind648.0
Predominantly Downwind642.8
Predominantly Reaching605.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9882
Triple Number Coastal/Long Distance High1.1302
Triple Number Windward/Leeward Low0.5606
Triple Number Windward/Leeward Medium0.8003
Triple Number Windward/Leeward High0.9496
Coastal/Long Distance0.8969
Predominantly Upwind0.9259
Predominantly Downwind0.9334
For information
General Purpose Handicap (GPH)694.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9807
Distanseseilas Trippeltall svak vind0.7290
Distanseseilas Trippeltall mellomvind0.9882
Distanseseilas Trippeltall sterk vind1.1302
Pølsebane Trippeltall svak vind0.5606
Pølsebane Trippeltall mellomvind0.8003
Pølsebane Trippeltall sterk vind0.9496
Motvind Singeltall0.9259
Medvind Singeltall0.9334
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Coastal/Long Distance669.00.8969
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind648.00.9259
Predominantly Downwind642.80.9334
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore597.41.0043
Cape Doctor Coastal500.51.1988
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9882
Triple Number Coastal/Long Distance High1.1302
Triple Number Windward/Leeward Low0.5606
Triple Number Windward/Leeward Medium0.8003
Triple Number Windward/Leeward High0.9496
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9882
Triple Number Coastal/Long Distance High1.1302
Triple Number Windward/Leeward Low0.5606
Triple Number Windward/Leeward Medium0.8003
Triple Number Windward/Leeward High0.9496
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Predominantly Upwind648.00.9259
Predominantly Downwind642.80.9334
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.00.8969
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium607.20.9882
Triple Number Coastal/Long Distance High530.91.1302
Triple Number Windward/Leeward Low1070.30.5606
Triple Number Windward/Leeward Medium749.70.8003
Triple Number Windward/Leeward High631.80.9496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1792.01206.0886.8720.6623.9575.5541.3490.1471.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP638.70.9394 Predom. Dn High495.01.2122 5B AP M/H538.31.1146 TriNum AP Low823.00.7290 Predom. Rc Low900.70.6661 5B AP High512.81.1701 TriNum AP Med607.20.9881 Predom. Rc L/M662.10.9062 5B SF Bay Low1057.30.5675 TriNum AP High530.91.1302 Predom. Rc Med567.01.0583 5B SF Bay L/M849.30.7065 TriNum W/L Low1126.70.5325 Predom. Rc M/H513.51.1684 5B SF Bay Med706.10.8497 TriNum W/L Med749.70.8003 Predom. Rc High486.91.2322 5B SF Bay M/H627.90.9555 TriNum W/L Hig631.80.9496 5B W/L Low1278.90.4691 5B SF Bay High599.21.0013 Predom. Upwind678.40.8844 5B W/L L/M896.00.6696 ChiMac Up Low842.90.7118 Predom. Reaching616.60.9731 5B W/L Med733.00.8186 ChiMac Up Med750.10.7999 Predom. Downwind679.80.8826 5B W/L M/H642.10.9345 ChiMac Up High644.20.9314 Predom. Up Low975.30.6152 5B W/L High609.00.9853 ChiMac Off Low894.20.6710 Predom. Up L/M720.90.8323 W/L 60-40 Low1262.60.4752 ChiMac Off Med771.90.7773 Predom. Up Med622.50.9638 W/L 60-40 L/M893.50.6715 ChiMac Off High629.30.9535 Predom. Up M/H575.61.0424 W/L 60-40 Med739.50.8114 ChiMac AP Low862.00.6960 Predom. Up High559.91.0717 W/L 60-40 M/H657.80.9121 ChiMac AP Med756.30.7933 Predom. Dn Low1066.30.5627 W/L 60-40 High630.70.9513 ChiMac AP High633.80.9467 Predom. Dn L/M749.40.8007 5B AP Low937.90.6397 BayMac Cove Island1005.60.5967 Predom. Dn Med614.40.9765 5B AP L/M704.20.8520 BayMac Shore993.60.6038 Predom. Dn M/H533.81.1240 5B AP Med596.61.0058 Harvest Moon538.71.1137      SA/DSPL Up22.38SA/DSPL Dn22.38
ORC Ref  046200048SB Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
LapwingRSA-010
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLavranos 34Measurement16/08/2017HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.530Maximum beam3.326Draft1.938Displacement4,360Wetted area22.68IMS L9.195LSM09.015Accomod. length10.383Sink (kg/mm) 16.96
VCGD-0.030VCGM0.016 RM Rated (kg·m) 99.5Limit of positive stability(°) 118.2 Stability Index 117.5 BLR index 0.0000Default crew weight594 Declared crew weight 560
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBW0.098PIPA0.0051
PSD0.025PHD0.050PHL0.130
PSA25.0°ESL0.920
ST10.012ST20.095ST30.110
ST40.065ST50.195
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P12.490IG11.356ISP11.561MDT10.116MDL10.175MDT2MDL2TLTaperMWGO
E4.135J3.600BAS1.476FSDFoilSFJSPL3.825WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date15/08/2017
SFFP0.920FFM1.205FF1.202LCFcl5.851SG1.0265
SAFP9.931FAM0.989FA0.995LCFsh6.082HBI1.134
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGNoneFixedFixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGFuelDiesel Stainless Steel0.900060408.000.00Total deductible368.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGMiscellaneousYesBattery2X100 AH Batteries in starboard midship bunkYesEngine (IC)Yanmar 2GM20Total deductible
ORC Ref  046200048SB Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
LapwingRSA-010
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0100.170.851.542.633.4430.4815/08/2017
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentNo10.070.661.272.543.905.3011.35NoNo 29.5415/08/2017
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  046200048SB Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org