Club Certificate2025
StregaRSA-045
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 Angles43.0°43.0°41.2°39.8°38.8°38.5°38.4°38.8°40.1°
Beat VMG2.092.963.694.224.444.524.564.564.44
52°3.244.495.486.126.366.456.496.536.48
60°3.424.725.716.306.566.656.716.766.74
75°3.524.855.856.436.766.967.067.217.25
90°3.354.735.856.496.797.127.387.697.85
110°3.364.765.916.617.087.477.748.168.43
120°3.214.575.716.497.017.497.968.729.29
135°2.693.905.046.066.657.147.688.9710.73
150°2.263.354.405.356.206.717.178.219.64
Run VMG1.962.903.814.645.456.066.537.368.41
Gybe Angles148.0°148.0°151.0°151.2°156.4°165.3°171.4°168.7°159.1°
APH ToD:629.1CDL: 7.415APH ToT: 0.9537CertNo:ZAC169
BOAT
ClassR.C.O.D.DesignerVan Der StadtBuilderRG Plastics, DurbaAge date01/1992Series date01/1960Offset fileRCOD_DV.OFFData fileRSA4609
HULL
Length Overall9.050 mMaximum Beam2.130 mDraft1.824 mDisplacement1,799 kgDLR3.4410IMS DivisionSportboatDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight300 kg(declared)Minimum weight170 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.2517.61Headsail Luffed16.7616.76Headsail FlyingSymmetric35.3135.31Asymmetric
STORM SAIL AREAS (m²)
Trysail5.31Storm Jib3.12Heavy Weather Jib8.41
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.
Club Certificate2025
StregaRSA-045
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 VMG1721.81218.2976.0854.0811.3796.2789.7789.0810.2
52°1112.7802.1657.0588.5566.1558.5554.8551.7556.0
60°1052.1763.2630.7571.3549.0541.1536.7532.3533.8
75°1023.4743.0615.4559.5532.6517.3509.7499.3496.4
90°1074.5761.2615.5554.9529.8505.7487.7468.4458.6
110°1070.1755.6608.8544.4508.8482.1465.2440.9427.3
120°1122.7788.5630.0554.8513.7480.5452.1413.0387.3
135°1340.4923.2714.0593.7541.1503.9468.7401.3335.7
150°1591.51074.2818.8672.4580.5536.4502.3438.5373.3
Run VMG1840.91240.4944.8775.9661.0593.8551.4489.2428.2
Selected Courses
Windward / Leeward1779.31229.3960.4814.9736.2695.0670.6639.1619.2
All purpose1348.6944.5749.6650.0601.0573.6555.0528.3510.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward779.30.7699
All purpose629.10.9537
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6737
Downwind "popa"0.7990
70% up, 30% down "Ilhabela"0.7070
30% up, 70% down "Ilhabela-inverso"0.7568
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Predominantly Upwind682.90.8786
Predominantly Downwind644.80.9305
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low847.00.7083
Triple Number AP Medium623.00.9631
Triple Number AP High549.61.0916
Triple Number Windward/Leeward Low1149.00.5222
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Single Number Predominant Upwind715.80.8383
Single Number Predominant Reaching633.80.9467
Single Number Predominant Downwind680.00.8824
Predominant Upwind - Low1030.60.5822
Predominant Upwind - Low/Med755.90.7938
Predominant Upwind - Medium655.80.9150
Predominant Upwind - Med/High612.40.9797
Predominant Upwind - High595.51.0075
Predominant Downwind Low1068.80.5614
Predominant Downwind Low/Med750.40.7995
Predominant Downwind Medium615.80.9743
Predominant Downwind Med/High536.11.1192
Predominant Downwind High487.91.2298
Predominant Reaching Low938.10.6396
Predominant Reaching Low/Med680.50.8817
Predominant Reaching Medium581.61.0317
Predominant Reaching Med/High526.11.1406
Predominant Reaching High493.21.2166
SA/DSPL Upwind22.95SA/DSPL Downwind35.46
Scoring OptionTODTOT
5-Band Windward/Leeward Low1300.10.4615
5-Band Windward/Leeward Low/Med915.60.6553
5-Band Windward/Leeward Medium755.60.7941
5-Band Windward/Leeward Med/High674.90.8891
5-Band Windward/Leeward High641.10.9359
Windward/Leeward 60-40 Low1296.80.4627
Windward/Leeward 60-40 Low/Med921.40.6512
Windward/Leeward 60-40 Medium770.00.7792
Windward/Leeward 60-40 Med/High698.40.8591
Windward/Leeward 60-40 High671.40.8936
5-Band AP Low957.60.6266
5-Band AP Low/Med721.30.8319
5-Band AP Medium613.10.9787
5-Band AP Med/High557.51.0762
5-Band AP High529.91.1323
5-Band SF Bay Tour - Low1107.80.5416
5-Band SF Bay Tour - Low/Med873.40.6870
5-Band SF Bay Tour - Medium728.90.8231
5-Band SF Bay Tour - Med/High657.90.9120
5-Band SF Bay Tour - High626.20.9582
Chicago-Mac Upwind0.8120
Chicago-Mac All Purpose0.8317
Chicago-Mac Downwind0.8449
Bayview-Mac Cove Island0.5830
Bayview-Mac Shore0.5879
Harvest Moon Regatta535.01.1215
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance686.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8739
Triple Number Coastal/Long Distance Low0.7083
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0916
Triple Number Windward/Leeward Low0.5480
Triple Number Windward/Leeward Medium0.7784
Triple Number Windward/Leeward High0.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
For information
General Purpose Handicap (GPH)714.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low847.1
Triple Number Coastal/Long Distance Medium622.9
Triple Number Coastal/Long Distance High549.7
Triple Number Windward/Leeward Low1094.9
Triple Number Windward/Leeward Medium770.8
Triple Number Windward/Leeward High664.9
Predominantly Upwind682.9
Predominantly Downwind644.8
Predominantly Reaching615.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7083
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0916
Triple Number Windward/Leeward Low0.5480
Triple Number Windward/Leeward Medium0.7784
Triple Number Windward/Leeward High0.9024
Coastal/Long Distance0.8739
Predominantly Upwind0.8786
Predominantly Downwind0.9305
For information
General Purpose Handicap (GPH)714.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9537
Distanseseilas Trippeltall svak vind0.7083
Distanseseilas Trippeltall mellomvind0.9633
Distanseseilas Trippeltall sterk vind1.0916
Pølsebane Trippeltall svak vind0.5480
Pølsebane Trippeltall mellomvind0.7784
Pølsebane Trippeltall sterk vind0.9024
Motvind Singeltall0.8786
Medvind Singeltall0.9305
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Coastal/Long Distance686.60.8739
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind682.90.8786
Predominantly Downwind644.80.9305
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore625.20.9598
Cape Doctor Coastal516.01.1629
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7083
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0916
Triple Number Windward/Leeward Low0.5480
Triple Number Windward/Leeward Medium0.7784
Triple Number Windward/Leeward High0.9024
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7083
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0916
Triple Number Windward/Leeward Low0.5480
Triple Number Windward/Leeward Medium0.7784
Triple Number Windward/Leeward High0.9024
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Predominantly Upwind682.90.8786
Predominantly Downwind644.80.9305
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance686.60.8739
Triple Number Coastal/Long Distance Low847.10.7083
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High549.71.0916
Triple Number Windward/Leeward Low1094.90.5480
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1906.81230.4903.1733.7642.0595.7559.3501.7483.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low847.00.7083
Triple Number AP Medium623.00.9631
Triple Number AP High549.61.0916
Triple Number Windward/Leeward Low1149.00.5222
Triple Number Windward/Leeward Medium770.80.7784
Triple Number Windward/Leeward High664.90.9024
Single Number Predominant Upwind715.80.8383
Single Number Predominant Reaching633.80.9467
Single Number Predominant Downwind680.00.8824
Predominant Upwind - Low1030.60.5822
Predominant Upwind - Low/Med755.90.7938
Predominant Upwind - Medium655.80.9150
Predominant Upwind - Med/High612.40.9797
Predominant Upwind - High595.51.0075
Predominant Downwind Low1068.80.5614
Predominant Downwind Low/Med750.40.7995
Predominant Downwind Medium615.80.9743
Predominant Downwind Med/High536.11.1192
Predominant Downwind High487.91.2298
Predominant Reaching Low938.10.6396
Predominant Reaching Low/Med680.50.8817
Predominant Reaching Medium581.61.0317
Predominant Reaching Med/High526.11.1406
Predominant Reaching High493.21.2166
SA/DSPL Upwind22.95SA/DSPL Downwind35.46
Scoring OptionTODTOT
5-Band Windward/Leeward Low1300.10.4615
5-Band Windward/Leeward Low/Med915.60.6553
5-Band Windward/Leeward Medium755.60.7941
5-Band Windward/Leeward Med/High674.90.8891
5-Band Windward/Leeward High641.10.9359
Windward/Leeward 60-40 Low1296.80.4627
Windward/Leeward 60-40 Low/Med921.40.6512
Windward/Leeward 60-40 Medium770.00.7792
Windward/Leeward 60-40 Med/High698.40.8591
Windward/Leeward 60-40 High671.40.8936
5-Band AP Low957.60.6266
5-Band AP Low/Med721.30.8319
5-Band AP Medium613.10.9787
5-Band AP Med/High557.51.0762
5-Band AP High529.91.1323
5-Band SF Bay Tour - Low1107.80.5416
5-Band SF Bay Tour - Low/Med873.40.6870
5-Band SF Bay Tour - Medium728.90.8231
5-Band SF Bay Tour - Med/High657.90.9120
5-Band SF Bay Tour - High626.20.9582
Chicago-Mac Upwind0.8120
Chicago-Mac All Purpose0.8317
Chicago-Mac Downwind0.8449
Bayview-Mac Cove Island0.5830
Bayview-Mac Shore0.5879
Harvest Moon Regatta535.01.1215
Club Certificate2025
StregaRSA-045
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassR.C.O.D.Measurement22/01/2019HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.050Max. Beam2.130Draft1.824Displacement1,799Wetted area15.04IMS L8.056LSM08.056Acc. length6.923Sink (kg/mm) 10.30
VCGD-0.126VCGM-0.150RM Rated (kg·m) 31.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight506Declared crew weight300
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P8.630IG7.890ISP7.910MDT10.090MDL10.120MDT2MDL2TLNo TaperMWGO
E3.510J3.010BAS0.970FSDSFJ1.050SPL3.410WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/01/2019
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
StregaRSA-045
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.050.641.212.132.8717.25
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.070.541.042.083.234.417.79NoNo 16.7627/12/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment08.178.178.175.205.1335.3127/12/2021