Non Spin/HSFClub Certificate2026
NeutronRSA-550
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 Angles47.5°45.6°43.4°42.1°41.2°40.3°39.5°39.5°41.3°
Beat VMG1.772.613.243.704.064.324.474.504.33
52°2.814.074.935.545.966.226.366.436.35
60°3.054.335.185.786.156.386.526.626.59
75°3.214.505.375.976.316.546.716.916.99
90°3.114.405.305.956.336.576.767.097.35
110°2.693.964.965.746.266.576.817.297.77
120°2.543.774.775.566.146.506.767.257.79
135°2.233.364.345.135.806.266.577.057.59
150°1.902.893.814.625.305.886.296.807.27
Run VMG1.652.503.314.054.715.315.836.516.95
Gybe Angles147.5°149.2°153.2°159.5°167.6°172.1°175.9°179.5°179.5°
APH ToD:700.5CDL: 6.864APH ToT: 0.8565CertNo:ZAN307
BOAT
ClassAstove 30DesignerLavranosBuilderAge date01/1993Series date01/1976Offset fileAstove 30_DV.offData fileRSA550
HULL
Length Overall9.190 mMaximum Beam3.012 mDraft1.660 mDisplacement4,219 kgDLR7.8271IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.650%RS Assessment-0.025%
PROPELLER
InstallationShaft exposedTypeSolid 3 bladesDiameter0.350m
CREW
Maximum weight340 kg(declared)Minimum weight210 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.5017.86Headsail Luffed26.4726.47Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.31Storm Jib6.69Heavy Weather Jib18.06
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 75.7 kg·m Stability Index 119.9
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  04620004MBV Issued on 22/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
NeutronRSA-550
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 VMG2035.51378.71111.3974.2887.2833.0805.9800.4831.4
52°1281.9884.7730.7650.0603.9578.7566.1560.3567.4
60°1179.8830.8694.4622.7585.2564.0551.8543.4546.5
75°1121.3800.7670.2602.9570.2550.7536.8520.7515.2
90°1158.4818.6679.2605.4569.1548.2532.9507.8489.9
110°1338.5908.4726.4627.4575.4547.8528.4493.9463.3
120°1417.8953.7754.5647.0586.0553.8532.8496.7461.9
135°1617.41073.0830.3701.1621.0575.0548.3511.0474.6
150°1892.31245.9944.0779.7679.2612.5572.7529.2494.9
Run VMG2185.01438.61087.0889.3764.0678.0617.4552.8517.7
Selected Courses
Windward / Leeward2110.31408.71099.1931.8825.6755.5711.7676.6674.5
All purpose1588.71075.6855.2737.6667.6624.6598.6573.1563.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward870.50.6893
All purpose700.50.8565
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6185
Downwind "popa"0.6968
70% up, 30% down "Ilhabela"0.6401
30% up, 70% down "Ilhabela-inverso"0.6713
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Predominantly Upwind749.60.8005
Predominantly Downwind729.50.8225
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP730.20.8217 Predom. Rc High547.01.0969 5B SF Bay L/M994.30.6035 TriNum AP Low965.40.6215 Predom. Dn Low1234.80.4859 5B SF Bay Med814.70.7365 TriNum AP Med695.90.8622 Predom. Dn L/M857.20.7000 5B SF Bay M/H706.70.8490 TriNum AP High595.51.0075 Predom. Dn Med694.80.8635 5B SF Bay High672.40.8923 TriNum W/L Low1322.80.4536 Predom. Dn M/H597.41.0043 5B AP Low1103.10.5439 TriNum W/L Med866.30.6926 Predom. Dn High555.11.0809 5B AP L/M818.50.7330 TriNum W/L Hig709.50.8457 ChiMac Up Low1004.30.5974 5B AP Med681.90.8799 Predom. Upwind788.40.7610 ChiMac Up Med883.10.6794 5B AP M/H604.50.9926 Predom. Reaching706.80.8489 ChiMac Up High743.60.8069 5B AP High575.81.0420 Predom. Downwind773.30.7759 ChiMac Off Low1029.00.5831 5B W/L Low1506.70.3982 Predom. Up Low1173.40.5113 ChiMac Off Med882.80.6796 5B W/L L/M1045.30.5740 Predom. Up L/M849.50.7063 ChiMac Off High713.20.8413 5B W/L Med844.80.7102 Predom. Up Med718.10.8355 ChiMac AP Low1009.40.5944 5B W/L M/H722.80.8301 Predom. Up M/H646.50.9281 ChiMac AP Med877.80.6835 5B W/L High682.30.8793 Predom. Up High626.60.9575 ChiMac AP High725.20.8274 W/L 60-40 Low1500.60.3999 Predom. Rc Low1062.90.5645 BayMac Cove Island1181.10.5080 W/L 60-40 L/M1050.10.5714 Predom. Rc L/M765.30.7840 BayMac Shore1168.70.5134 W/L 60-40 Med856.70.7003 Predom. Rc Med644.00.9316 Harvest Moon609.30.9847 W/L 60-40 M/H741.50.8091 Predom. Rc M/H576.11.0415 5B SF Bay Low1248.60.4805 W/L 60-40 High707.20.8484      SA/DSPL Up16.76SA/DSPL Dn16.76
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance767.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating767.30.7820
FinRating, kevyt tuuli1492.00.6703
FinRating, kova tuuli581.30.8601
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7820
Triple Number Coastal/Long Distance Low0.6215
Triple Number Coastal/Long Distance Medium0.8623
Triple Number Coastal/Long Distance High1.0075
Triple Number Windward/Leeward Low0.4785
Triple Number Windward/Leeward Medium0.6926
Triple Number Windward/Leeward High0.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
For information
General Purpose Handicap (GPH)799.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Saronikos S All Purpose810.80.7401
Saronikos S Upwind904.30.6635
Saronikos S Downwind719.70.8336
Saronikos N All Purpose861.60.6964
Saronikos N Upwind948.80.6324
Saronikos N Downwind808.50.7421
Saronikos SW All Purpose832.40.7208
Saronikos SW Upwind942.40.6367
Saronikos SW Downwind743.40.8071
Saronikos NE All Purpose915.90.6551
Saronikos NE Upwind891.10.6733
Saronikos NE Downwind939.90.6384
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose730.20.8217
5-Band All Purpose Low1195.20.5020
5-Band All Purpose L/M848.80.7069
5-Band All Purpose Med704.00.8522
5-Band All Purpose M/H620.60.9668
5-Band All Purpose High589.51.0179
Single Number Predominant Upwind747.60.8026
Single Number Predominant Reaching671.40.8937
Single Number Predominant Downwind730.40.8214
5-Band 50-50 Windward/Leeward Low1506.70.3982
5-Band 50-50 Windward/Leeward L/M1045.30.5740
5-Band 50-50 Windward/Leeward Med844.80.7102
5-Band 50-50 Windward/Leeward M/H722.80.8301
5-Band 50-50 Windward/Leeward High682.30.8793
5-Band 60-40 Windward/Leeward Low1500.60.3999
5-Band 60-40 Windward/Leeward L/M1050.10.5714
5-Band 60-40 Windward/Leeward Med856.70.7003
5-Band 60-40 Windward/Leeward M/H741.50.8091
5-Band 60-40 Windward/Leeward High707.20.8484
Triple Number 50-50 Windward/Leeward Low1322.80.4536
Triple Number 50-50 Windward/Leeward Med866.40.6925
Triple Number 50-50 Windward/Leeward High709.50.8457
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward882.00.6802
Triple Number 60-40 Windward/Leeward Low1320.30.4544
Triple Number 60-40 Windward/Leeward Med877.40.6838
Triple Number 60-40 Windward/Leeward High729.70.8222
Triple Number All-Purpose Low1056.10.5681
Triple Number All-Purpose Med719.10.8344
Triple Number All-Purpose High610.90.9822
Triple Number Predominant Upwind Low1055.80.5683
Triple Number Predominant Upwind Med736.70.8145
Triple Number Predominant Upwind High643.10.9330
Triple Number Predominant Reaching Low948.10.6328
Triple Number Predominant Reaching Med667.10.8994
Triple Number Predominant Reaching High557.41.0765
Triple Number Predominant Downwind Low1081.90.5546
Triple Number Predominant Downwind Med714.40.8399
Triple Number Predominant Downwind High576.51.0408
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low965.4
Triple Number Coastal/Long Distance Medium695.8
Triple Number Coastal/Long Distance High595.5
Triple Number Windward/Leeward Low1253.9
Triple Number Windward/Leeward Medium866.3
Triple Number Windward/Leeward High709.5
Predominantly Upwind749.6
Predominantly Downwind729.5
Predominantly Reaching689.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6215
Triple Number Coastal/Long Distance Medium0.8623
Triple Number Coastal/Long Distance High1.0075
Triple Number Windward/Leeward Low0.4785
Triple Number Windward/Leeward Medium0.6926
Triple Number Windward/Leeward High0.8457
Coastal/Long Distance0.7820
Predominantly Upwind0.8005
Predominantly Downwind0.8225
For information
General Purpose Handicap (GPH)799.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8565
Distanseseilas Trippeltall svak vind0.6215
Distanseseilas Trippeltall mellomvind0.8623
Distanseseilas Trippeltall sterk vind1.0075
Pølsebane Trippeltall svak vind0.4785
Pølsebane Trippeltall mellomvind0.6926
Pølsebane Trippeltall sterk vind0.8457
Motvind Singeltall0.8005
Medvind Singeltall0.8225
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Coastal/Long Distance767.30.7820
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind749.60.8005
Predominantly Downwind729.50.8225
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore675.20.8887
Cape Doctor Coastal566.21.0596
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6215
Triple Number Coastal/Long Distance Medium0.8623
Triple Number Coastal/Long Distance High1.0075
Triple Number Windward/Leeward Low0.4785
Triple Number Windward/Leeward Medium0.6926
Triple Number Windward/Leeward High0.8457
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6215
Triple Number Coastal/Long Distance Medium0.8623
Triple Number Coastal/Long Distance High1.0075
Triple Number Windward/Leeward Low0.4785
Triple Number Windward/Leeward Medium0.6926
Triple Number Windward/Leeward High0.8457
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Predominantly Upwind749.60.8005
Predominantly Downwind729.50.8225
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.30.7820
Triple Number Coastal/Long Distance Low965.40.6215
Triple Number Coastal/Long Distance Medium695.80.8623
Triple Number Coastal/Long Distance High595.51.0075
Triple Number Windward/Leeward Low1253.90.4785
Triple Number Windward/Leeward Medium866.30.6926
Triple Number Windward/Leeward High709.50.8457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2117.71411.71032.9835.9715.2649.0605.7549.9534.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP730.20.8217 Predom. Dn High555.11.0809 5B AP M/H604.50.9926 TriNum AP Low965.40.6215 Predom. Rc Low1062.90.5645 5B AP High575.81.0420 TriNum AP Med695.90.8622 Predom. Rc L/M765.30.7840 5B SF Bay Low1248.60.4805 TriNum AP High595.51.0075 Predom. Rc Med644.00.9316 5B SF Bay L/M994.30.6035 TriNum W/L Low1322.80.4536 Predom. Rc M/H576.11.0415 5B SF Bay Med814.70.7365 TriNum W/L Med866.30.6926 Predom. Rc High547.01.0969 5B SF Bay M/H706.70.8490 TriNum W/L Hig709.50.8457 5B W/L Low1506.70.3982 5B SF Bay High672.40.8923 Predom. Upwind788.40.7610 5B W/L L/M1045.30.5740 ChiMac Up Low1004.30.5974 Predom. Reaching706.80.8489 5B W/L Med844.80.7102 ChiMac Up Med883.10.6794 Predom. Downwind773.30.7759 5B W/L M/H722.80.8301 ChiMac Up High743.60.8069 Predom. Up Low1173.40.5113 5B W/L High682.30.8793 ChiMac Off Low1029.00.5831 Predom. Up L/M849.50.7063 W/L 60-40 Low1500.60.3999 ChiMac Off Med882.80.6796 Predom. Up Med718.10.8355 W/L 60-40 L/M1050.10.5714 ChiMac Off High713.20.8413 Predom. Up M/H646.50.9281 W/L 60-40 Med856.70.7003 ChiMac AP Low1009.40.5944 Predom. Up High626.60.9575 W/L 60-40 M/H741.50.8091 ChiMac AP Med877.80.6835 Predom. Dn Low1234.80.4859 W/L 60-40 High707.20.8484 ChiMac AP High725.20.8274 Predom. Dn L/M857.20.7000 5B AP Low1103.10.5439 BayMac Cove Island1181.10.5080 Predom. Dn Med694.80.8635 5B AP L/M818.50.7330 BayMac Shore1168.70.5134 Predom. Dn M/H597.41.0043 5B AP Med681.90.8799 Harvest Moon609.30.9847      SA/DSPL Up16.76SA/DSPL Dn16.76
ORC Ref  04620004MBV Issued on 22/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
NeutronRSA-550
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassAstove 30Measurement10/04/2026HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.190Maximum beam3.012Draft1.660Displacement4,219Wetted area19.57IMS L8.062LSM08.138Accomod. length9.190Sink (kg/mm) 14.15
VCGD0.054VCGM0.012 RM Rated (kg·m) 75.7Limit of positive stability(°) 117.7 Stability Index 119.9 BLR index 0.0000Default crew weight513 Declared crew weight 340
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.350PBW0.090PIPA0.0160
PSD0.025PHD0.040PHL0.035
PSA17.0°ESL0.625
ST10.025ST20.080ST30.080
ST40.050ST50.130
RIG
BackstayFixedForestayFixedInner forestayFixedMast materialAluminumSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P9.624IG11.406ISP11.336MDT10.105MDL10.200MDT2MDL2TLNo TaperMW0.200GO0.250
E3.150J3.620BAS1.326FSDFoilSFJ0.000SPL3.740WPLTPSBD0.115MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date21/04/2026
SFFP1.021FFM1.101FF1.101LCFcl5.174SG
SAFP9.185FAM0.931FA0.931LCFsh5.391HBI0.957
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004MBV Issued on 22/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
NeutronRSA-550
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-10.120.591.071.932.6417.5016/03/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJRF-20.080.661.312.493.714.9410.60NoNo 26.4710/04/2026RF
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity34 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04620004MBV Issued on 22/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org