Club Certificate2026
Bona DiaRSA-97
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 Angles46.9°44.7°43.0°41.9°41.0°40.1°39.6°39.2°39.9°
Beat VMG1.772.603.213.654.004.284.434.514.45
52°2.804.024.865.455.886.176.346.456.42
60°3.034.265.095.686.086.356.516.646.64
75°3.164.405.255.876.266.526.706.937.00
90°3.144.475.466.156.566.796.947.147.35
110°3.224.565.556.246.656.957.237.727.96
120°3.084.405.386.116.566.887.197.788.21
135°2.693.944.935.726.296.666.967.578.13
150°2.253.374.355.165.836.336.677.247.83
Run VMG1.952.923.774.505.155.706.156.787.30
Gybe Angles142.9°148.6°151.9°155.9°160.0°164.6°169.6°178.1°177.7°
APH ToD:675.4CDL: 6.699APH ToT: 0.8884CertNo:ZAC288
BOAT
ClassMiuraDesignerBerckemeyerBuilderNebeAge date12/1994Series date01/1970Offset fileSA92033.OFFData fileRSA97
HULL
Length Overall9.330 mMaximum Beam3.148 mDraft1.769 mDisplacement4,700 kgDLR9.7999IMS DivisionCruiser/RacerDynamic Allowance0.640%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeSolid 3 bladesDiameter0.330m
CREW
Maximum weight485 kg(default)Minimum weight355 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.1918.45Headsail Luffed28.7428.74Headsail FlyingSymmetric42.9455.95Asymmetric56.3456.34 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail5.42Storm Jib6.77Heavy Weather Jib18.28
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 77.6 kg·m Stability Index 107.9
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  04620004ROI Issued on 31/05/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Bona DiaRSA-97
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 VMG2034.01385.61122.6985.4899.0842.0811.8797.8809.5
52°1286.0895.9740.5660.0612.0583.5567.5558.5561.1
60°1188.8845.6706.7633.3591.9567.0552.8542.3542.4
75°1137.5818.9686.2613.7575.1552.5537.7519.4514.2
90°1146.6805.3658.9585.1549.0530.0518.4504.5489.7
110°1117.3789.4648.8577.2541.7518.4498.1466.5452.2
120°1167.5819.1669.3589.6548.5523.1500.9462.7438.4
135°1339.7913.4730.4629.0572.2540.4517.3475.7443.1
150°1597.81068.2828.1698.2617.1568.6539.7497.1460.0
Run VMG1845.01233.4954.7800.1699.7631.2585.3531.2493.1
Selected Courses
Windward / Leeward1939.51309.51038.7892.8799.4736.6698.6664.5651.3
All purpose1464.71006.6812.1708.4647.0608.5584.5558.6546.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward838.10.7159
All purpose675.40.8884
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6137
Downwind "popa"0.7727
70% up, 30% down "Ilhabela"0.6540
30% up, 70% down "Ilhabela-inverso"0.7169
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Predominantly Upwind738.40.8125
Predominantly Downwind683.10.8784
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP702.50.8541 Predom. Rc High533.11.1255 5B SF Bay L/M947.70.6331 TriNum AP Low909.30.6598 Predom. Dn Low1104.20.5434 5B SF Bay Med789.20.7603 TriNum AP Med671.70.8933 Predom. Dn L/M787.50.7619 5B SF Bay M/H692.20.8669 TriNum AP High580.81.0331 Predom. Dn Med653.60.9180 5B SF Bay High656.60.9137 TriNum W/L Low1236.00.4854 Predom. Dn M/H573.11.0469 5B AP Low1018.90.5889 TriNum W/L Med834.70.7188 Predom. Dn High534.61.1223 5B AP L/M779.80.7694 TriNum W/L Hig695.30.8629 ChiMac Up Low980.30.6120 5B AP Med659.30.9101 Predom. Upwind775.30.7739 ChiMac Up Med865.70.6931 5B AP M/H589.41.0179 Predom. Reaching674.80.8891 ChiMac Up High732.90.8187 5B AP High560.91.0697 Predom. Downwind718.80.8347 ChiMac Off Low932.90.6431 5B W/L Low1399.30.4288 Predom. Up Low1139.40.5266 ChiMac Off Med811.00.7398 5B W/L L/M991.80.6050 Predom. Up L/M833.90.7195 ChiMac Off High668.50.8976 5B W/L Med815.90.7354 Predom. Up Med709.80.8453 ChiMac AP Low951.40.6307 5B W/L M/H707.80.8478 Predom. Up M/H640.30.9371 ChiMac AP Med834.40.7191 5B W/L High668.10.8981 Predom. Up High618.20.9706 ChiMac AP High698.00.8596 W/L 60-40 Low1415.80.4238 Predom. Rc Low993.00.6042 BayMac Cove Island1105.30.5429 W/L 60-40 L/M1009.40.5944 Predom. Rc L/M725.60.8269 BayMac Shore1096.80.5470 W/L 60-40 Med835.80.7179 Predom. Rc Med618.50.9701 Harvest Moon583.01.0292 W/L 60-40 M/H730.60.8213 Predom. Rc M/H559.41.0727 5B SF Bay Low1172.50.5117 W/L 60-40 High694.90.8634      SA/DSPL Up16.64SA/DSPL Dn26.43
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance737.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating737.70.8133
FinRating, kevyt tuuli1380.20.7245
FinRating, kova tuuli565.20.8846
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8133
Triple Number Coastal/Long Distance Low0.6598
Triple Number Coastal/Long Distance Medium0.8934
Triple Number Coastal/Long Distance High1.0331
Triple Number Windward/Leeward Low0.5110
Triple Number Windward/Leeward Medium0.7188
Triple Number Windward/Leeward High0.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
For information
General Purpose Handicap (GPH)766.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Saronikos S All Purpose793.90.7558
Saronikos S Upwind910.90.6587
Saronikos S Downwind652.50.9196
Saronikos N All Purpose828.60.7241
Saronikos N Upwind950.60.6312
Saronikos N Downwind718.60.8349
Saronikos SW All Purpose808.20.7424
Saronikos SW Upwind946.40.6340
Saronikos SW Downwind666.70.8999
Saronikos NE All Purpose865.50.6932
Saronikos NE Upwind891.30.6731
Saronikos NE Downwind818.30.7332
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose702.50.8541
5-Band All Purpose Low1116.30.5375
5-Band All Purpose L/M807.20.7433
5-Band All Purpose Med679.50.8830
5-Band All Purpose M/H605.50.9910
5-Band All Purpose High575.71.0423
Single Number Predominant Upwind737.50.8136
Single Number Predominant Reaching642.80.9334
Single Number Predominant Downwind683.10.8783
5-Band 50-50 Windward/Leeward Low1399.30.4288
5-Band 50-50 Windward/Leeward L/M991.80.6050
5-Band 50-50 Windward/Leeward Med815.90.7354
5-Band 50-50 Windward/Leeward M/H707.80.8478
5-Band 50-50 Windward/Leeward High668.10.8981
5-Band 60-40 Windward/Leeward Low1415.80.4238
5-Band 60-40 Windward/Leeward L/M1009.40.5944
5-Band 60-40 Windward/Leeward Med835.80.7179
5-Band 60-40 Windward/Leeward M/H730.60.8213
5-Band 60-40 Windward/Leeward High694.90.8634
Triple Number 50-50 Windward/Leeward Low1236.00.4854
Triple Number 50-50 Windward/Leeward Med834.90.7187
Triple Number 50-50 Windward/Leeward High695.30.8629
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward858.00.6993
Triple Number 60-40 Windward/Leeward Low1252.50.4790
Triple Number 60-40 Windward/Leeward Med854.40.7023
Triple Number 60-40 Windward/Leeward High719.10.8344
Triple Number All-Purpose Low991.70.6050
Triple Number All-Purpose Med692.70.8662
Triple Number All-Purpose High596.51.0059
Triple Number Predominant Upwind Low1024.30.5858
Triple Number Predominant Upwind Med727.10.8252
Triple Number Predominant Upwind High638.60.9396
Triple Number Predominant Reaching Low891.20.6733
Triple Number Predominant Reaching Med641.30.9356
Triple Number Predominant Reaching High541.61.1079
Triple Number Predominant Downwind Low977.20.6140
Triple Number Predominant Downwind Med666.90.8997
Triple Number Predominant Downwind High551.61.0878
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low909.4
Triple Number Coastal/Long Distance Medium671.6
Triple Number Coastal/Long Distance High580.8
Triple Number Windward/Leeward Low1174.2
Triple Number Windward/Leeward Medium834.7
Triple Number Windward/Leeward High695.3
Predominantly Upwind738.4
Predominantly Downwind683.1
Predominantly Reaching653.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6598
Triple Number Coastal/Long Distance Medium0.8934
Triple Number Coastal/Long Distance High1.0331
Triple Number Windward/Leeward Low0.5110
Triple Number Windward/Leeward Medium0.7188
Triple Number Windward/Leeward High0.8629
Coastal/Long Distance0.8133
Predominantly Upwind0.8125
Predominantly Downwind0.8784
For information
General Purpose Handicap (GPH)766.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8884
Distanseseilas Trippeltall svak vind0.6598
Distanseseilas Trippeltall mellomvind0.8934
Distanseseilas Trippeltall sterk vind1.0331
Pølsebane Trippeltall svak vind0.5110
Pølsebane Trippeltall mellomvind0.7188
Pølsebane Trippeltall sterk vind0.8629
Motvind Singeltall0.8125
Medvind Singeltall0.8784
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Coastal/Long Distance737.70.8133
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind738.40.8125
Predominantly Downwind683.10.8784
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore655.20.9157
Cape Doctor Coastal549.81.0913
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6598
Triple Number Coastal/Long Distance Medium0.8934
Triple Number Coastal/Long Distance High1.0331
Triple Number Windward/Leeward Low0.5110
Triple Number Windward/Leeward Medium0.7188
Triple Number Windward/Leeward High0.8629
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6598
Triple Number Coastal/Long Distance Medium0.8934
Triple Number Coastal/Long Distance High1.0331
Triple Number Windward/Leeward Low0.5110
Triple Number Windward/Leeward Medium0.7188
Triple Number Windward/Leeward High0.8629
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Predominantly Upwind738.40.8125
Predominantly Downwind683.10.8784
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance737.70.8133
Triple Number Coastal/Long Distance Low909.40.6598
Triple Number Coastal/Long Distance Medium671.60.8934
Triple Number Coastal/Long Distance High580.81.0331
Triple Number Windward/Leeward Low1174.20.5110
Triple Number Windward/Leeward Medium834.70.7188
Triple Number Windward/Leeward High695.30.8629
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1930.01301.9974.1800.9693.2631.7590.3534.8519.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP702.50.8541 Predom. Dn High534.61.1223 5B AP M/H589.41.0179 TriNum AP Low909.30.6598 Predom. Rc Low993.00.6042 5B AP High560.91.0697 TriNum AP Med671.70.8933 Predom. Rc L/M725.60.8269 5B SF Bay Low1172.50.5117 TriNum AP High580.81.0331 Predom. Rc Med618.50.9701 5B SF Bay L/M947.70.6331 TriNum W/L Low1236.00.4854 Predom. Rc M/H559.41.0727 5B SF Bay Med789.20.7603 TriNum W/L Med834.70.7188 Predom. Rc High533.11.1255 5B SF Bay M/H692.20.8669 TriNum W/L Hig695.30.8629 5B W/L Low1399.30.4288 5B SF Bay High656.60.9137 Predom. Upwind775.30.7739 5B W/L L/M991.80.6050 ChiMac Up Low980.30.6120 Predom. Reaching674.80.8891 5B W/L Med815.90.7354 ChiMac Up Med865.70.6931 Predom. Downwind718.80.8347 5B W/L M/H707.80.8478 ChiMac Up High732.90.8187 Predom. Up Low1139.40.5266 5B W/L High668.10.8981 ChiMac Off Low932.90.6431 Predom. Up L/M833.90.7195 W/L 60-40 Low1415.80.4238 ChiMac Off Med811.00.7398 Predom. Up Med709.80.8453 W/L 60-40 L/M1009.40.5944 ChiMac Off High668.50.8976 Predom. Up M/H640.30.9371 W/L 60-40 Med835.80.7179 ChiMac AP Low951.40.6307 Predom. Up High618.20.9706 W/L 60-40 M/H730.60.8213 ChiMac AP Med834.40.7191 Predom. Dn Low1104.20.5434 W/L 60-40 High694.90.8634 ChiMac AP High698.00.8596 Predom. Dn L/M787.50.7619 5B AP Low1018.90.5889 BayMac Cove Island1105.30.5429 Predom. Dn Med653.60.9180 5B AP L/M779.80.7694 BayMac Shore1096.80.5470 Predom. Dn M/H573.11.0469 5B AP Med659.30.9101 Harvest Moon583.01.0292      SA/DSPL Up16.64SA/DSPL Dn26.43
ORC Ref  04620004ROI Issued on 31/05/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Bona DiaRSA-97
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMiuraMeasurement28/07/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.330Maximum beam3.148Draft1.769Displacement4,700Wetted area21.30IMS L7.881LSM07.827Accomod. length9.330Sink (kg/mm) 14.91
VCGD0.139VCGM0.145 RM Rated (kg·m) 77.6Limit of positive stability(°) 105.9 Stability Index 107.9 BLR index 0.0000Default crew weight485 Declared crew weight 300
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.330PBW0.090PIPA0.0136
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P10.000IG11.636ISP11.636MDT10.125MDL10.160MDT2MDL2TLNo TaperMWGO
E3.095J3.990BAS1.301FSD0.040SFJSPL3.910WPLTPS4.000BD0.110MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/07/2025
SFFP0.963FFMFF1.026LCFcl5.361SG
SAFP9.239FAMFA0.804LCFsh5.554HBI0.967
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004ROI Issued on 31/05/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Bona DiaRSA-97
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.150.651.141.942.5718.1928/07/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.030.621.212.473.865.4011.15NoNo 28.7428/07/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment09.969.929.944.995.9642.9428/07/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment011.289.8210.556.296.8891%56.3428/07/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04620004ROI Issued on 31/05/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org