Club Certificate2026
Black CatRSA 1750
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 Angles46.5°43.0°41.2°39.5°38.6°37.9°37.5°37.2°37.7°
Beat VMG2.413.454.274.855.155.315.415.535.52
52°3.785.286.337.037.357.497.597.717.76
60°4.075.586.607.257.577.727.837.988.04
75°4.265.776.787.417.798.068.238.488.62
90°4.135.686.847.407.848.228.569.039.30
110°4.135.827.057.748.198.518.819.339.93
120°3.995.666.907.678.248.799.239.9110.55
135°3.495.056.327.297.938.559.2010.6512.04
150°2.894.185.366.457.367.948.529.8211.50
Run VMG2.503.624.645.596.457.087.608.679.96
Gybe Angles137.6°144.7°148.9°148.6°156.1°163.3°166.7°162.7°152.1°
APH ToD:535.8CDL: 9.920APH ToT: 1.1199CertNo:ZAC299
BOAT
ClassDidi 38DesignerDudley DixBuilderDudley DixAge date12/1995Series date01/1993Offset fileRSA95063.OFFData fileRSA1750
HULL
Length Overall11.438Maximum Beam3.370Draft2.216Displacement5,285DLR4.1223IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight775(default)Minimum weight645 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail45.7146.90Headsail Luffed31.2331.23Headsail FlyingSymmetric119.71119.71Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail13.20Storm Jib10.50Heavy Weather Jib28.35
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 146.2 Stability Index 115.0
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  046200048IT Issued on 05/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Black CatRSA 1750
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 VMG1495.21043.4844.0742.1698.9678.3665.6651.2651.8
52°951.5681.4568.7512.0489.8480.5474.4466.7463.9
60°885.6645.5545.6496.6475.7466.2459.9451.3447.6
75°844.5623.8531.0485.6462.2446.9437.5424.5417.8
90°872.6634.1526.3486.3459.4438.0420.5398.9387.1
110°872.4618.5510.9465.4439.8422.8408.7385.7362.5
120°901.8636.0521.9469.3436.7409.7389.9363.3341.3
135°1030.3712.8570.0493.6454.2421.0391.4338.0298.9
150°1247.7860.5671.8558.1489.2453.7422.5366.4313.2
Run VMG1440.7993.6775.7644.4558.5508.3473.5415.3361.3
Selected Courses
Windward / Leeward1467.91018.5809.8693.3628.7593.3569.6533.2506.5
All purpose1109.1780.3632.5556.0515.2490.9473.0445.4425.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward661.50.9071
All purpose535.81.1199
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7890
Downwind "popa"0.9612
70% up, 30% down "Ilhabela"0.8338
30% up, 70% down "Ilhabela-inverso"0.9021
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Predominantly Upwind583.61.0280
Predominantly Downwind542.61.1058
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP557.11.0770 Predom. Rc High417.31.4379 5B SF Bay L/M734.80.8166 TriNum AP Low706.40.8494 Predom. Dn Low861.30.6966 5B SF Bay Med621.00.9663 TriNum AP Med532.61.1266 Predom. Dn L/M623.30.9626 5B SF Bay M/H556.81.0775 TriNum AP High467.21.2844 Predom. Dn Med521.41.1507 5B SF Bay High522.21.1491 TriNum W/L Low957.90.6264 Predom. Dn M/H455.31.3179 5B AP Low787.70.7617 TriNum W/L Med656.50.9140 Predom. Dn High412.71.4538 5B AP L/M610.00.9837 TriNum W/L Hig561.91.0678 ChiMac Up Low752.00.7978 5B AP Med524.21.1447 Predom. Upwind609.30.9848 ChiMac Up Med671.50.8935 5B AP M/H474.91.2633 Predom. Reaching534.81.1220 ChiMac Up High578.61.0369 5B AP High446.81.3429 Predom. Downwind567.71.0569 ChiMac Off Low732.60.8190 5B W/L Low1078.70.5562 Predom. Up Low866.40.6925 ChiMac Off Med639.30.9386 5B W/L L/M772.70.7765 Predom. Up L/M645.60.9293 ChiMac Off High528.81.1346 5B W/L Med643.70.9321 Predom. Up Med562.81.0661 ChiMac AP Low739.10.8118 5B W/L M/H572.41.0482 Predom. Up M/H520.21.1533 ChiMac AP Med653.20.9186 5B W/L High534.91.1217 Predom. Up High499.01.2024 ChiMac AP High552.41.0861 W/L 60-40 Low1084.20.5534 Predom. Rc Low767.50.7818 BayMac Cove Island853.50.7030 W/L 60-40 L/M781.40.7679 Predom. Rc L/M573.41.0465 BayMac Shore846.80.7086 W/L 60-40 Med657.30.9128 Predom. Rc Med496.91.2074 Harvest Moon464.31.2922 W/L 60-40 M/H591.51.0143 Predom. Rc M/H447.91.3396 5B SF Bay Low905.80.6624 W/L 60-40 High558.71.0740      SA/DSPL Up25.22SA/DSPL Dn54.22
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance584.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating584.31.0268
FinRating, kevyt tuuli1061.50.9420
FinRating, kova tuuli448.81.1142
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0268
Triple Number Coastal/Long Distance Low0.8494
Triple Number Coastal/Long Distance Medium1.1267
Triple Number Coastal/Long Distance High1.2844
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.9140
Triple Number Windward/Leeward High1.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
For information
General Purpose Handicap (GPH)605.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Saronikos S All_Purpose614.40.9766
Saronikos S Upwind700.80.8562
Saronikos S Downwind512.41.1710
Saronikos N All_Purpose614.40.9766
Saronikos N Upwind734.30.8171
Saronikos N Downwind568.01.0563
Saronikos SW All_Purpose621.50.9654
Saronikos SW Upwind725.20.8274
Saronikos SW Downwind521.41.1508
Saronikos NE All_Purpose676.10.8874
Saronikos NE Upwind690.80.8685
Saronikos NE Downwind644.00.9317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose557.11.0770
5-Band All-Purpose Low860.30.6975
5-Band All-Purpose L/M632.90.9481
5-Band All-Purpose Med541.31.1084
5-Band All-Purpose M/H487.21.2315
5-Band All-Purpose High455.71.3167
Single Number Predominant Upwind582.21.0305
Single Number Predominant Reaching513.01.1695
Single Number Predominant Downwind543.51.1040
5-Band 50-50 Windward/Leeward Low1078.70.5562
5-Band 50-50 Windward/Leeward L/M772.70.7765
5-Band 50-50 Windward/Leeward Med643.70.9321
5-Band 50-50 Windward/Leeward M/H572.41.0482
5-Band 50-50 Windward/Leeward High534.91.1217
5-Band 60-40 Windward/Leeward Low1084.20.5534
5-Band 60-40 Windward/Leeward L/M781.40.7679
5-Band 60-40 Windward/Leeward Med657.30.9128
5-Band 60-40 Windward/Leeward M/H591.51.0143
5-Band 60-40 Windward/Leeward High558.71.0740
Triple Number 50-50 Windward/Leeward Low957.90.6264
Triple Number 50-50 Windward/Leeward Med656.60.9138
Triple Number 50-50 Windward/Leeward High561.91.0678
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward675.10.8888
Triple Number 60-40 Windward/Leeward Low964.00.6224
Triple Number 60-40 Windward/Leeward Med669.30.8964
Triple Number 60-40 Windward/Leeward High582.21.0306
Triple Number All-Purpose Low769.20.7801
Triple Number All-Purpose Med550.41.0901
Triple Number All-Purpose High478.51.2540
Triple Number Predominant Upwind Low784.20.7652
Triple Number Predominant Upwind Med573.31.0466
Triple Number Predominant Upwind High520.31.1532
Triple Number Predominant Reaching Low693.50.8652
Triple Number Predominant Reaching Med513.51.1685
Triple Number Predominant Reaching High431.11.3918
Triple Number Predominant Downwind Low765.70.7836
Triple Number Predominant Downwind Med532.71.1264
Triple Number Predominant Downwind High433.81.3831
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low706.4
Triple Number Coastal/Long Distance Medium532.5
Triple Number Coastal/Long Distance High467.1
Triple Number Windward/Leeward Low914.2
Triple Number Windward/Leeward Medium656.5
Triple Number Windward/Leeward High561.9
Predominantly Upwind583.6
Predominantly Downwind542.6
Predominantly Reaching520.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8494
Triple Number Coastal/Long Distance Medium1.1267
Triple Number Coastal/Long Distance High1.2844
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.9140
Triple Number Windward/Leeward High1.0678
Coastal/Long Distance1.0268
Predominantly Upwind1.0280
Predominantly Downwind1.1058
For information
General Purpose Handicap (GPH)605.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1199
Distanseseilas Trippeltall svak vind0.8494
Distanseseilas Trippeltall mellomvind1.1267
Distanseseilas Trippeltall sterk vind1.2844
Pølsebane Trippeltall svak vind0.6563
Pølsebane Trippeltall mellomvind0.9140
Pølsebane Trippeltall sterk vind1.0678
Motvind Singeltall1.0280
Medvind Singeltall1.1058
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Coastal/Long Distance584.31.0268
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind583.61.0280
Predominantly Downwind542.61.1058
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore514.61.1661
Cape Doctor Coastal431.61.3901
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8494
Triple Number Coastal/Long Distance Medium1.1267
Triple Number Coastal/Long Distance High1.2844
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.9140
Triple Number Windward/Leeward High1.0678
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8494
Triple Number Coastal/Long Distance Medium1.1267
Triple Number Coastal/Long Distance High1.2844
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.9140
Triple Number Windward/Leeward High1.0678
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Predominantly Upwind583.61.0280
Predominantly Downwind542.61.1058
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance584.31.0268
Triple Number Coastal/Long Distance Low706.40.8494
Triple Number Coastal/Long Distance Medium532.51.1267
Triple Number Coastal/Long Distance High467.11.2844
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium656.50.9140
Triple Number Windward/Leeward High561.91.0678
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1465.21016.0761.1625.8549.6509.2476.9426.7407.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP557.11.0770 Predom. Dn High412.71.4538 5B AP M/H474.91.2633 TriNum AP Low706.40.8494 Predom. Rc Low767.50.7818 5B AP High446.81.3429 TriNum AP Med532.61.1266 Predom. Rc L/M573.41.0465 5B SF Bay Low905.80.6624 TriNum AP High467.21.2844 Predom. Rc Med496.91.2074 5B SF Bay L/M734.80.8166 TriNum W/L Low957.90.6264 Predom. Rc M/H447.91.3396 5B SF Bay Med621.00.9663 TriNum W/L Med656.50.9140 Predom. Rc High417.31.4379 5B SF Bay M/H556.81.0775 TriNum W/L Hig561.91.0678 5B W/L Low1078.70.5562 5B SF Bay High522.21.1491 Predom. Upwind609.30.9848 5B W/L L/M772.70.7765 ChiMac Up Low752.00.7978 Predom. Reaching534.81.1220 5B W/L Med643.70.9321 ChiMac Up Med671.50.8935 Predom. Downwind567.71.0569 5B W/L M/H572.41.0482 ChiMac Up High578.61.0369 Predom. Up Low866.40.6925 5B W/L High534.91.1217 ChiMac Off Low732.60.8190 Predom. Up L/M645.60.9293 W/L 60-40 Low1084.20.5534 ChiMac Off Med639.30.9386 Predom. Up Med562.81.0661 W/L 60-40 L/M781.40.7679 ChiMac Off High528.81.1346 Predom. Up M/H520.21.1533 W/L 60-40 Med657.30.9128 ChiMac AP Low739.10.8118 Predom. Up High499.01.2024 W/L 60-40 M/H591.51.0143 ChiMac AP Med653.20.9186 Predom. Dn Low861.30.6966 W/L 60-40 High558.71.0740 ChiMac AP High552.41.0861 Predom. Dn L/M623.30.9626 5B AP Low787.70.7617 BayMac Cove Island853.50.7030 Predom. Dn Med521.41.1507 5B AP L/M610.00.9837 BayMac Shore846.80.7086 Predom. Dn M/H455.31.3179 5B AP Med524.21.1447 Harvest Moon464.31.2922      SA/DSPL Up25.22SA/DSPL Dn54.22
ORC Ref  046200048IT Issued on 05/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Black CatRSA 1750
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDidi 38Measurement12/12/2016HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.438Maximum beam3.370Draft2.216Displacement5,285Wetted area27.94IMS L10.710LSM010.862Accomod. length10.953Sink (kg/mm) 21.45
VCGD-0.145VCGM-0.028 RM Rated (kg·m) 146.2Limit of positive stability(°) 112.6 Stability Index 115.0 BLR index 0.0000Default crew weight775 Declared crew weight 705
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBW0.155PIPA0.0045
PSD0.025PHD0.062PHL0.100
PSA17.0°ESL1.100
ST10.025ST20.100ST30.100
ST40.069ST50.245
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.090IG14.366ISP14.465MDT10.110MDL10.200MDT2MDL2TLTaperMW0.200GO0.235
E5.350J4.070BAS1.705FSD0.050SFJSPL4.794WPLTPSBD0.200MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date23/01/2017
SFFP0.555FFM1.329FF1.328LCFcl6.846SG1.0285
SAFP10.811FAM0.906FA0.905LCFsh7.037HBI1.051
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  046200048IT Issued on 05/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Black CatRSA 1750
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment11.152.113.5345.71IRC
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.611.152.184.3614.15NoNo 31.23IRC
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment115.7015.7015.709.278.67119.71IRC
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  046200048IT Issued on 05/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org