Non Spin/HSFClub Certificate2026
SizweRSA-1235
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 Angles46.6°44.1°42.3°41.1°40.3°39.7°39.5°39.3°40.4°
Beat VMG1.852.693.303.734.074.314.444.494.39
52°2.924.144.955.525.936.196.356.426.38
60°3.144.365.175.746.116.376.526.626.61
75°3.274.495.325.916.296.536.706.926.97
90°3.174.395.245.876.286.566.767.097.34
110°2.733.984.925.666.206.556.817.277.69
120°2.573.794.745.496.066.466.737.227.70
135°2.243.374.315.075.716.196.537.017.51
150°1.922.913.824.595.245.806.236.787.24
Run VMG1.662.523.324.054.695.275.786.496.94
Gybe Angles147.8°149.2°155.0°164.0°171.2°174.1°176.8°179.0°179.2°
APH ToD:702.0CDL: 6.795APH ToT: 0.8547CertNo:ZAN153
BOAT
ClassMiuraDesignerOswald BerckemeyerBuilderNebeAge date01/1991Series date01/1970Offset fileSA92033.OFFData fileRSA1235
HULL
Length Overall9.330Maximum Beam3.148Draft1.773Displacement4,777DLR9.8668IMS DivisionCruiser/RacerDynamic Allowance0.640%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.360m
CREW
Maximum weight425(declared)Minimum weight295 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.7719.07Headsail Luffed27.2627.26Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.48Storm Jib7.19Heavy Weather Jib19.41
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 78.6 Stability Index 108.1
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  04620004B5T Issued on 11/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SizweRSA-1235
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 VMG1944.21336.51091.5964.2883.9834.7811.2801.7820.2
52°1232.6870.3727.7652.2607.4581.3567.3560.3564.0
60°1145.7825.2696.8627.6588.8565.5552.5543.7544.6
75°1099.4801.5676.2609.1572.8551.4537.1520.3516.2
90°1137.3819.8687.6613.2572.8548.8532.5507.5490.8
110°1318.2905.2732.1636.2581.1549.6529.0495.3468.2
120°1400.9950.6760.2656.3593.8557.5534.7498.7467.5
135°1604.41068.2834.4709.5630.7581.9551.7513.2479.4
150°1877.51236.7943.2784.6687.1620.8578.2531.2497.5
Run VMG2168.01428.01083.6889.6767.0683.4623.3555.0518.9
Selected Courses
Windward / Leeward2056.11382.31087.5926.9825.5759.0717.2678.3669.5
All purpose1551.71062.0852.7739.6670.9627.8601.6574.2562.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward868.30.6910
All purpose702.00.8547
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6247
Downwind "popa"0.6965
70% up, 30% down "Ilhabela"0.6446
30% up, 70% down "Ilhabela-inverso"0.6733
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Predominantly Upwind749.30.8008
Predominantly Downwind732.20.8194
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP730.30.8216 Predom. Rc High547.91.0951 5B SF Bay L/M985.90.6086 TriNum AP Low957.40.6267 Predom. Dn Low1223.40.4905 5B SF Bay Med814.90.7363 TriNum AP Med698.20.8593 Predom. Dn L/M857.60.6996 5B SF Bay M/H710.60.8443 TriNum AP High597.91.0036 Predom. Dn Med698.90.8585 5B SF Bay High673.60.8907 TriNum W/L Low1301.00.4612 Predom. Dn M/H600.90.9985 5B AP Low1091.10.5499 TriNum W/L Med864.60.6940 Predom. Dn High556.91.0775 5B AP L/M816.80.7346 TriNum W/L Hig713.10.8414 ChiMac Up Low990.10.6060 5B AP Med684.40.8766 Predom. Upwind784.70.7646 ChiMac Up Med875.20.6855 5B AP M/H607.20.9882 Predom. Reaching707.60.8479 ChiMac Up High742.40.8081 5B AP High576.91.0401 Predom. Downwind774.20.7750 ChiMac Off Low1023.90.5860 5B W/L Low1477.00.4062 Predom. Up Low1149.20.5221 ChiMac Off Med881.50.6807 5B W/L L/M1035.60.5794 Predom. Up L/M844.70.7103 ChiMac Off High715.20.8389 5B W/L Med844.00.7109 Predom. Up Med719.30.8342 ChiMac AP Low1000.10.6000 5B W/L M/H726.90.8255 Predom. Up M/H648.90.9247 ChiMac AP Med873.30.6870 5B W/L High683.50.8778 Predom. Up High627.00.9570 ChiMac AP High725.70.8268 W/L 60-40 Low1467.10.4090 Predom. Rc Low1052.30.5702 BayMac Cove Island1164.80.5151 W/L 60-40 L/M1038.90.5775 Predom. Rc L/M767.30.7820 BayMac Shore1152.40.5206 W/L 60-40 Med855.30.7015 Predom. Rc Med648.10.9258 Harvest Moon611.80.9807 W/L 60-40 M/H745.40.8049 Predom. Rc M/H578.31.0376 5B SF Bay Low1227.00.4890 W/L 60-40 High708.10.8473      SA/DSPL Up16.14SA/DSPL Dn16.14
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance767.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating767.20.7820
FinRating, kevyt tuuli1463.80.6832
FinRating, kova tuuli582.20.8589
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7820
Triple Number Coastal/Long Distance Low0.6267
Triple Number Coastal/Long Distance Medium0.8594
Triple Number Coastal/Long Distance High1.0036
Triple Number Windward/Leeward Low0.4859
Triple Number Windward/Leeward Medium0.6940
Triple Number Windward/Leeward High0.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
For information
General Purpose Handicap (GPH)799.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Saronikos S All_Purpose806.30.7441
Saronikos S Upwind894.70.6706
Saronikos S Downwind722.00.8311
Saronikos N All_Purpose806.30.7441
Saronikos N Upwind935.80.6411
Saronikos N Downwind810.70.7401
Saronikos SW All_Purpose826.40.7260
Saronikos SW Upwind929.80.6453
Saronikos SW Downwind745.40.8049
Saronikos NE All_Purpose908.80.6602
Saronikos NE Upwind880.40.6815
Saronikos NE Downwind938.30.6395
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose730.30.8216
5-Band All-Purpose Low1177.80.5094
5-Band All-Purpose L/M846.80.7085
5-Band All-Purpose Med706.60.8491
5-Band All-Purpose M/H623.40.9625
5-Band All-Purpose High590.41.0162
Single Number Predominant Upwind747.30.8029
Single Number Predominant Reaching674.60.8894
Single Number Predominant Downwind733.40.8182
5-Band 50-50 Windward/Leeward Low1477.00.4062
5-Band 50-50 Windward/Leeward L/M1035.60.5794
5-Band 50-50 Windward/Leeward Med844.00.7109
5-Band 50-50 Windward/Leeward M/H726.90.8255
5-Band 50-50 Windward/Leeward High683.50.8778
5-Band 60-40 Windward/Leeward Low1467.10.4090
5-Band 60-40 Windward/Leeward L/M1038.90.5775
5-Band 60-40 Windward/Leeward Med855.30.7015
5-Band 60-40 Windward/Leeward M/H745.40.8049
5-Band 60-40 Windward/Leeward High708.10.8473
Triple Number 50-50 Windward/Leeward Low1301.00.4612
Triple Number 50-50 Windward/Leeward Med864.60.6939
Triple Number 50-50 Windward/Leeward High713.10.8414
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward879.10.6825
Triple Number 60-40 Windward/Leeward Low1295.60.4631
Triple Number 60-40 Windward/Leeward Med874.90.6858
Triple Number 60-40 Windward/Leeward High733.20.8184
Triple Number All-Purpose Low1045.10.5741
Triple Number All-Purpose Med721.40.8317
Triple Number All-Purpose High613.30.9783
Triple Number Predominant Upwind Low1039.50.5772
Triple Number Predominant Upwind Med737.20.8139
Triple Number Predominant Upwind High645.00.9303
Triple Number Predominant Reaching Low942.40.6367
Triple Number Predominant Reaching Med671.00.8942
Triple Number Predominant Reaching High559.01.0733
Triple Number Predominant Downwind Low1074.80.5582
Triple Number Predominant Downwind Med718.50.8351
Triple Number Predominant Downwind High579.71.0351
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low957.4
Triple Number Coastal/Long Distance Medium698.2
Triple Number Coastal/Long Distance High597.8
Triple Number Windward/Leeward Low1234.8
Triple Number Windward/Leeward Medium864.6
Triple Number Windward/Leeward High713.1
Predominantly Upwind749.3
Predominantly Downwind732.2
Predominantly Reaching692.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6267
Triple Number Coastal/Long Distance Medium0.8594
Triple Number Coastal/Long Distance High1.0036
Triple Number Windward/Leeward Low0.4859
Triple Number Windward/Leeward Medium0.6940
Triple Number Windward/Leeward High0.8414
Coastal/Long Distance0.7820
Predominantly Upwind0.8008
Predominantly Downwind0.8194
For information
General Purpose Handicap (GPH)799.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8547
Distanseseilas Trippeltall svak vind0.6267
Distanseseilas Trippeltall mellomvind0.8594
Distanseseilas Trippeltall sterk vind1.0036
Pølsebane Trippeltall svak vind0.4859
Pølsebane Trippeltall mellomvind0.6940
Pølsebane Trippeltall sterk vind0.8414
Motvind Singeltall0.8008
Medvind Singeltall0.8194
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Coastal/Long Distance767.20.7820
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind749.30.8008
Predominantly Downwind732.20.8194
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore672.20.8926
Cape Doctor Coastal565.81.0605
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6267
Triple Number Coastal/Long Distance Medium0.8594
Triple Number Coastal/Long Distance High1.0036
Triple Number Windward/Leeward Low0.4859
Triple Number Windward/Leeward Medium0.6940
Triple Number Windward/Leeward High0.8414
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6267
Triple Number Coastal/Long Distance Medium0.8594
Triple Number Coastal/Long Distance High1.0036
Triple Number Windward/Leeward Low0.4859
Triple Number Windward/Leeward Medium0.6940
Triple Number Windward/Leeward High0.8414
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Predominantly Upwind749.30.8008
Predominantly Downwind732.20.8194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance767.20.7820
Triple Number Coastal/Long Distance Low957.40.6267
Triple Number Coastal/Long Distance Medium698.20.8594
Triple Number Coastal/Long Distance High597.81.0036
Triple Number Windward/Leeward Low1234.80.4859
Triple Number Windward/Leeward Medium864.60.6940
Triple Number Windward/Leeward High713.10.8414
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2067.31386.81024.4834.9718.0652.3608.6550.9534.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP730.30.8216 Predom. Dn High556.91.0775 5B AP M/H607.20.9882 TriNum AP Low957.40.6267 Predom. Rc Low1052.30.5702 5B AP High576.91.0401 TriNum AP Med698.20.8593 Predom. Rc L/M767.30.7820 5B SF Bay Low1227.00.4890 TriNum AP High597.91.0036 Predom. Rc Med648.10.9258 5B SF Bay L/M985.90.6086 TriNum W/L Low1301.00.4612 Predom. Rc M/H578.31.0376 5B SF Bay Med814.90.7363 TriNum W/L Med864.60.6940 Predom. Rc High547.91.0951 5B SF Bay M/H710.60.8443 TriNum W/L Hig713.10.8414 5B W/L Low1477.00.4062 5B SF Bay High673.60.8907 Predom. Upwind784.70.7646 5B W/L L/M1035.60.5794 ChiMac Up Low990.10.6060 Predom. Reaching707.60.8479 5B W/L Med844.00.7109 ChiMac Up Med875.20.6855 Predom. Downwind774.20.7750 5B W/L M/H726.90.8255 ChiMac Up High742.40.8081 Predom. Up Low1149.20.5221 5B W/L High683.50.8778 ChiMac Off Low1023.90.5860 Predom. Up L/M844.70.7103 W/L 60-40 Low1467.10.4090 ChiMac Off Med881.50.6807 Predom. Up Med719.30.8342 W/L 60-40 L/M1038.90.5775 ChiMac Off High715.20.8389 Predom. Up M/H648.90.9247 W/L 60-40 Med855.30.7015 ChiMac AP Low1000.10.6000 Predom. Up High627.00.9570 W/L 60-40 M/H745.40.8049 ChiMac AP Med873.30.6870 Predom. Dn Low1223.40.4905 W/L 60-40 High708.10.8473 ChiMac AP High725.70.8268 Predom. Dn L/M857.60.6996 5B AP Low1091.10.5499 BayMac Cove Island1164.80.5151 Predom. Dn Med698.90.8585 5B AP L/M816.80.7346 BayMac Shore1152.40.5206 Predom. Dn M/H600.90.9985 5B AP Med684.40.8766 Harvest Moon611.80.9807      SA/DSPL Up16.14SA/DSPL Dn16.14
ORC Ref  04620004B5T Issued on 11/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SizweRSA-1235
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMiuraMeasurement27/04/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.330Maximum beam3.148Draft1.773Displacement4,777Wetted area21.47IMS L7.882LSM07.851Accomod. length9.330Sink (kg/mm) 15.03
VCGD0.146VCGM0.147 RM Rated (kg·m) 78.6Limit of positive stability(°) 105.8 Stability Index 108.1 BLR index 0.0000Default crew weight488 Declared crew weight 425
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBW0.130PIPA0.0061
PSD0.025PHD0.065PHL0.110
PSA29.0°ESL0.740
ST10.020ST20.085ST30.073
ST40.055ST50.170
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P10.100IG11.989ISP11.929MDT10.130MDL10.180MDT2MDL2TLNo TaperMWGO
E3.100J3.880BAS1.449FSDNo FoilSFJ-0.010SPL3.880WPLTPSBD0.120MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date03/06/2017
SFFP0.963FFMFF1.028LCFcl5.380SG
SAFP9.239FAMFA0.792LCFsh5.572HBI0.969
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004B5T Issued on 11/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SizweRSA-1235
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentNew0.130.651.182.022.6218.7720/01/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ2-30.050.531.062.223.555.0611.54NoNo 27.2623/04/2025
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  04620004B5T Issued on 11/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org