Non Spin/HSFClub Certificate2026
SavannahRSA 470
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 Angles47.1°44.2°42.0°40.9°40.3°39.8°39.6°39.5°40.8°
Beat VMG1.922.763.373.794.124.334.434.464.34
52°3.044.255.045.605.996.236.356.406.34
60°3.274.495.275.826.186.406.536.606.58
75°3.434.635.435.996.356.576.736.906.94
90°3.324.535.365.966.356.606.807.107.31
110°2.834.095.025.766.276.606.857.297.68
120°2.673.904.855.596.156.526.797.277.74
135°2.333.484.435.195.826.276.597.057.50
150°1.962.963.704.445.065.596.046.667.10
Run VMG1.702.563.314.064.715.285.786.496.94
Gybe Angles141.9°142.9°169.0°170.1°171.2°172.1°173.2°175.7°176.2°
APH ToD:696.8CDL: 6.878APH ToT: 0.8611CertNo:ZAN304
BOAT
ClassMiuraDesignerOswald BerkemeyerBuilderNebeAge date01/1979Series date01/1978Offset fileSA92033.OFFData fileRSA470
HULL
Length Overall9.330Maximum Beam3.148Draft1.794Displacement5,083DLR10.2477IMS DivisionCruiser/RacerDynamic Allowance0.680%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFeathering 2 bladesDiameter0.435m
CREW
Maximum weight340(declared)Minimum weight210 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.0118.71Headsail Luffed30.7730.77Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.25Storm Jib7.55Heavy Weather Jib20.39
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 82.7 Stability Index 109.2
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  04620004HJA Issued on 12/03/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SavannahRSA 470
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 VMG1877.81302.21069.7949.2873.7831.1813.3807.0830.1
52°1185.9847.2714.8642.6600.7577.8566.8562.2567.4
60°1100.4802.1683.7618.6582.4562.1551.3545.2547.0
75°1050.2777.3662.7600.8567.4547.9535.3521.4518.9
90°1084.4793.9671.3604.1567.0545.1529.8506.8492.6
110°1271.1880.2716.5625.2574.2545.4525.8493.6468.8
120°1349.5922.4742.9643.8585.6551.9530.5495.2465.3
135°1547.11034.5812.8694.0619.1573.8546.7510.9479.8
150°1836.41216.1971.7810.2712.0643.8596.1540.5506.7
Run VMG2120.51404.21086.4887.3764.7681.7622.4554.8519.0
Selected Courses
Windward / Leeward1999.21353.21078.1918.2819.2756.4717.8680.9674.6
All purpose1500.01035.1842.6732.6666.7626.4602.0575.7565.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward862.00.6961
All purpose696.80.8611
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6319
Downwind "popa"0.6998
70% up, 30% down "Ilhabela"0.6509
30% up, 70% down "Ilhabela-inverso"0.6780
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Predominantly Upwind740.50.8103
Predominantly Downwind724.50.8281
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP722.50.8305 Predom. Rc High547.71.0954 5B SF Bay L/M974.50.6157 TriNum AP Low938.80.6391 Predom. Dn Low1193.00.5030 5B SF Bay Med810.30.7404 TriNum AP Med693.40.8654 Predom. Dn L/M844.70.7103 5B SF Bay M/H711.60.8431 TriNum AP High598.21.0029 Predom. Dn Med691.80.8673 5B SF Bay High677.00.8863 TriNum W/L Low1278.00.4695 Predom. Dn M/H598.21.0031 5B AP Low1062.90.5645 TriNum W/L Med858.10.6992 Predom. Dn High556.51.0781 5B AP L/M806.20.7442 TriNum W/L Hig713.60.8408 ChiMac Up Low967.40.6202 5B AP Med680.20.8821 Predom. Upwind774.00.7752 ChiMac Up Med859.40.6982 5B AP M/H607.10.9883 Predom. Reaching696.50.8614 ChiMac Up High735.00.8163 5B AP High578.61.0370 Predom. Downwind763.90.7855 ChiMac Off Low1003.60.5978 5B W/L Low1445.90.4150 Predom. Up Low1117.20.5371 ChiMac Off Med867.30.6918 5B W/L L/M1024.00.5859 Predom. Up L/M829.70.7231 ChiMac Off High708.30.8471 5B W/L Med838.30.7157 Predom. Up Med711.40.8434 ChiMac AP Low978.60.6131 5B W/L M/H726.70.8257 Predom. Up M/H647.60.9265 ChiMac AP Med858.40.6990 5B W/L High686.20.8744 Predom. Up High628.90.9540 ChiMac AP High718.60.8350 W/L 60-40 Low1434.30.4183 Predom. Rc Low1020.80.5878 BayMac Cove Island1138.30.5271 W/L 60-40 L/M1025.70.5849 Predom. Rc L/M752.50.7973 BayMac Shore1125.80.5330 W/L 60-40 Med848.70.7069 Predom. Rc Med640.10.9373 Harvest Moon610.40.9830 W/L 60-40 M/H745.40.8050 Predom. Rc M/H575.41.0428 5B SF Bay Low1201.40.4994 W/L 60-40 High711.40.8435      SA/DSPL Up16.41SA/DSPL Dn16.41
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance764.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating764.30.7851
FinRating, kevyt tuuli1430.40.6991
FinRating, kova tuuli584.70.8552
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7851
Triple Number Coastal/Long Distance Low0.6391
Triple Number Coastal/Long Distance Medium0.8655
Triple Number Coastal/Long Distance High1.0029
Triple Number Windward/Leeward Low0.4936
Triple Number Windward/Leeward Medium0.6992
Triple Number Windward/Leeward High0.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
For information
General Purpose Handicap (GPH)790.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Saronikos S All Purpose795.70.7541
Saronikos S Upwind877.80.6835
Saronikos S Downwind715.40.8387
Saronikos N All Purpose845.30.7098
Saronikos N Upwind917.50.6540
Saronikos N Downwind801.60.7485
Saronikos SW All Purpose813.00.7380
Saronikos SW Upwind908.90.6602
Saronikos SW Downwind735.80.8155
Saronikos NE All Purpose890.80.6735
Saronikos NE Upwind861.00.6969
Saronikos NE Downwind917.60.6539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose722.50.8305
5-Band All Purpose Low1146.70.5232
5-Band All Purpose L/M833.10.7202
5-Band All Purpose Med699.30.8580
5-Band All Purpose M/H621.40.9656
5-Band All Purpose High591.31.0148
Single Number Predominant Upwind738.40.8125
Single Number Predominant Reaching665.40.9017
Single Number Predominant Downwind725.70.8268
5-Band 50-50 Windward/Leeward Low1445.90.4150
5-Band 50-50 Windward/Leeward L/M1024.00.5859
5-Band 50-50 Windward/Leeward Med838.30.7157
5-Band 50-50 Windward/Leeward M/H726.70.8257
5-Band 50-50 Windward/Leeward High686.20.8744
5-Band 60-40 Windward/Leeward Low1434.30.4183
5-Band 60-40 Windward/Leeward L/M1025.70.5849
5-Band 60-40 Windward/Leeward Med848.70.7069
5-Band 60-40 Windward/Leeward M/H745.40.8050
5-Band 60-40 Windward/Leeward High711.40.8435
Triple Number 50-50 Windward/Leeward Low1278.00.4695
Triple Number 50-50 Windward/Leeward Med858.20.6991
Triple Number 50-50 Windward/Leeward High713.60.8408
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward872.00.6881
Triple Number 60-40 Windward/Leeward Low1271.00.4721
Triple Number 60-40 Windward/Leeward Med867.50.6916
Triple Number 60-40 Windward/Leeward High734.00.8175
Triple Number All-Purpose Low1021.10.5876
Triple Number All-Purpose Med713.30.8411
Triple Number All-Purpose High612.00.9803
Triple Number Predominant Upwind Low1013.80.5918
Triple Number Predominant Upwind Med728.30.8238
Triple Number Predominant Upwind High644.80.9306
Triple Number Predominant Reaching Low917.90.6536
Triple Number Predominant Reaching Med662.30.9059
Triple Number Predominant Reaching High556.81.0777
Triple Number Predominant Downwind Low1051.30.5707
Triple Number Predominant Downwind Med711.10.8438
Triple Number Predominant Downwind High577.31.0393
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low938.8
Triple Number Coastal/Long Distance Medium693.2
Triple Number Coastal/Long Distance High598.3
Triple Number Windward/Leeward Low1215.6
Triple Number Windward/Leeward Medium858.1
Triple Number Windward/Leeward High713.6
Predominantly Upwind740.5
Predominantly Downwind724.5
Predominantly Reaching683.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6391
Triple Number Coastal/Long Distance Medium0.8655
Triple Number Coastal/Long Distance High1.0029
Triple Number Windward/Leeward Low0.4936
Triple Number Windward/Leeward Medium0.6992
Triple Number Windward/Leeward High0.8408
Coastal/Long Distance0.7851
Predominantly Upwind0.8103
Predominantly Downwind0.8281
For information
General Purpose Handicap (GPH)790.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8611
Distanseseilas Trippeltall svak vind0.6391
Distanseseilas Trippeltall mellomvind0.8655
Distanseseilas Trippeltall sterk vind1.0029
Pølsebane Trippeltall svak vind0.4936
Pølsebane Trippeltall mellomvind0.6992
Pølsebane Trippeltall sterk vind0.8408
Motvind Singeltall0.8103
Medvind Singeltall0.8281
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Coastal/Long Distance764.30.7851
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind740.50.8103
Predominantly Downwind724.50.8281
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore676.50.8870
Cape Doctor Coastal568.81.0549
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6391
Triple Number Coastal/Long Distance Medium0.8655
Triple Number Coastal/Long Distance High1.0029
Triple Number Windward/Leeward Low0.4936
Triple Number Windward/Leeward Medium0.6992
Triple Number Windward/Leeward High0.8408
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6391
Triple Number Coastal/Long Distance Medium0.8655
Triple Number Coastal/Long Distance High1.0029
Triple Number Windward/Leeward Low0.4936
Triple Number Windward/Leeward Medium0.6992
Triple Number Windward/Leeward High0.8408
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Predominantly Upwind740.50.8103
Predominantly Downwind724.50.8281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance764.30.7851
Triple Number Coastal/Long Distance Low938.80.6391
Triple Number Coastal/Long Distance Medium693.20.8655
Triple Number Coastal/Long Distance High598.31.0029
Triple Number Windward/Leeward Low1215.60.4936
Triple Number Windward/Leeward Medium858.10.6992
Triple Number Windward/Leeward High713.60.8408
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2011.31358.31015.9828.8715.5652.7610.1551.7537.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP722.50.8305 Predom. Dn High556.51.0781 5B AP M/H607.10.9883 TriNum AP Low938.80.6391 Predom. Rc Low1020.80.5878 5B AP High578.61.0370 TriNum AP Med693.40.8654 Predom. Rc L/M752.50.7973 5B SF Bay Low1201.40.4994 TriNum AP High598.21.0029 Predom. Rc Med640.10.9373 5B SF Bay L/M974.50.6157 TriNum W/L Low1278.00.4695 Predom. Rc M/H575.41.0428 5B SF Bay Med810.30.7404 TriNum W/L Med858.10.6992 Predom. Rc High547.71.0954 5B SF Bay M/H711.60.8431 TriNum W/L Hig713.60.8408 5B W/L Low1445.90.4150 5B SF Bay High677.00.8863 Predom. Upwind774.00.7752 5B W/L L/M1024.00.5859 ChiMac Up Low967.40.6202 Predom. Reaching696.50.8614 5B W/L Med838.30.7157 ChiMac Up Med859.40.6982 Predom. Downwind763.90.7855 5B W/L M/H726.70.8257 ChiMac Up High735.00.8163 Predom. Up Low1117.20.5371 5B W/L High686.20.8744 ChiMac Off Low1003.60.5978 Predom. Up L/M829.70.7231 W/L 60-40 Low1434.30.4183 ChiMac Off Med867.30.6918 Predom. Up Med711.40.8434 W/L 60-40 L/M1025.70.5849 ChiMac Off High708.30.8471 Predom. Up M/H647.60.9265 W/L 60-40 Med848.70.7069 ChiMac AP Low978.60.6131 Predom. Up High628.90.9540 W/L 60-40 M/H745.40.8050 ChiMac AP Med858.40.6990 Predom. Dn Low1193.00.5030 W/L 60-40 High711.40.8435 ChiMac AP High718.60.8350 Predom. Dn L/M844.70.7103 5B AP Low1062.90.5645 BayMac Cove Island1138.30.5271 Predom. Dn Med691.80.8673 5B AP L/M806.20.7442 BayMac Shore1125.80.5330 Predom. Dn M/H598.21.0031 5B AP Med680.20.8821 Harvest Moon610.40.9830      SA/DSPL Up16.41SA/DSPL Dn16.41
ORC Ref  04620004HJA Issued on 12/03/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SavannahRSA 470
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMiuraMeasurement21/01/2026HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.330Maximum beam3.148Draft1.794Displacement5,083Wetted area21.98IMS L7.915LSM07.915Accomod. length9.330Sink (kg/mm) 15.37
VCGD0.158VCGM0.138 RM Rated (kg·m) 82.7Limit of positive stability(°) 106.0 Stability Index 109.2 BLR index 0.0000Default crew weight493 Declared crew weight 340
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBW0.160PIPA0.0032
EDL1.815ST10.060ST20.185
ST30.185ST40.110ST50.240
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P10.290IG12.208ISP12.138MDT10.132MDL10.235MDT2MDL2TLNo TaperMW0.235GO0.260
E2.910J3.870BAS1.438FSDFoilSFJ-0.020SPLWPLTPSBD0.132MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date12/03/2026
SFFP0.963FFMFF1.004LCFcl5.394SG
SAFP9.239FAMFA0.775LCFsh5.585HBI0.948
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004HJA Issued on 12/03/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SavannahRSA 470
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM1-10.130.651.131.912.4318.0123/10/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJRF-10.130.721.362.734.155.5911.09NoNo 30.7723/10/2025RF
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  04620004HJA Issued on 12/03/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org