Double HandedClub 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 Angles45.6°42.9°41.0°39.8°39.3°39.2°39.0°39.3°40.7°
Beat VMG2.493.544.314.734.925.035.115.175.02
52°3.895.386.416.937.157.277.357.447.38
60°4.175.666.697.217.417.537.617.717.69
75°4.395.876.887.457.737.898.018.188.25
90°4.265.776.827.487.898.208.438.768.96
110°4.205.887.077.687.988.278.539.249.80
120°4.075.756.987.718.238.618.959.5810.12
135°3.585.166.457.408.048.699.3710.5711.46
150°2.964.285.476.587.488.088.7210.1812.13
Run VMG2.563.714.745.706.567.197.738.9110.50
Gybe Angles138.5°137.8°148.5°148.1°156.0°162.9°164.0°159.5°149.2°
APH ToD:540.6CDL: 9.475APH ToT: 1.1100CertNo:ZAD299
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 weight170(default)Minimum weight120 ✱ 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
Headsails5Spinnakers4
STABILITY
Righting Moment 146.2 Stability Index 121.1
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  04620004B9B Issued on 12/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1448.61016.6835.2761.7731.9715.4704.7697.0716.7
52°926.3669.6561.8519.2503.8495.2489.6484.0487.9
60°863.1636.0538.3499.3485.6478.0472.8467.1468.1
75°820.9613.4522.9483.0465.8456.4449.2440.0436.4
90°845.3624.3527.8481.4456.5439.2427.0411.0401.8
110°857.2612.3508.9468.7450.9435.5421.9389.8367.3
120°884.0625.6515.6466.7437.3418.0402.1375.9355.7
135°1006.7697.3558.1486.4447.8414.2384.1340.6314.0
150°1216.8840.3657.6546.8481.4445.5412.9353.8296.8
Run VMG1405.1970.3759.3631.4548.9500.9465.9404.0342.7
Selected Courses
Windward / Leeward1426.8993.5797.3696.5640.4608.2585.3550.5529.7
All purpose1079.6764.1624.4557.3522.7501.2484.5459.0444.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward668.50.8975
All purpose540.61.1100
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7689
Downwind "popa"0.9811
70% up, 30% down "Ilhabela"0.8222
30% up, 70% down "Ilhabela-inverso"0.9061
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Predominantly Upwind591.41.0145
Predominantly Downwind538.41.1144
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP560.61.0703 Predom. Rc High428.71.3995 5B SF Bay L/M730.90.8209 TriNum AP Low694.20.8643 Predom. Dn Low842.40.7123 5B SF Bay Med631.10.9508 TriNum AP Med537.41.1165 Predom. Dn L/M615.00.9756 5B SF Bay M/H573.31.0466 TriNum AP High479.11.2523 Predom. Dn Med519.01.1560 5B SF Bay High542.31.1064 TriNum W/L Low938.50.6393 Predom. Dn M/H456.51.3145 5B AP Low771.80.7774 TriNum W/L Med664.20.9034 Predom. Dn High417.51.4371 5B AP L/M606.30.9896 TriNum W/L Hig578.01.0381 ChiMac Up Low744.40.8061 5B AP Med530.11.1318 Predom. Upwind616.50.9732 ChiMac Up Med672.50.8922 5B AP M/H486.31.2339 Predom. Reaching534.21.1231 ChiMac Up High589.31.0182 5B AP High461.01.3016 Predom. Downwind563.31.0651 ChiMac Off Low719.90.8334 5B W/L Low1052.80.5699 Predom. Up Low847.50.7080 ChiMac Off Med631.20.9506 5B W/L L/M767.50.7818 Predom. Up L/M644.50.9309 ChiMac Off High526.21.1402 5B W/L Med652.80.9191 Predom. Up Med574.01.0454 ChiMac AP Low729.00.8230 5B W/L M/H587.91.0206 Predom. Up M/H537.71.1159 ChiMac AP Med649.70.9236 5B W/L High552.91.0851 Predom. Up High521.61.1502 ChiMac AP High556.41.0783 W/L 60-40 Low1058.10.5671 Predom. Rc Low751.90.7980 BayMac Cove Island840.40.7139 W/L 60-40 L/M778.10.7711 Predom. Rc L/M568.71.0551 BayMac Shore833.90.7195 W/L 60-40 Med670.30.8951 Predom. Rc Med497.91.2051 Harvest Moon465.71.2884 W/L 60-40 M/H611.80.9807 Predom. Rc M/H453.81.3221 5B SF Bay Low885.90.6773 W/L 60-40 High582.71.0297      SA/DSPL Up25.22SA/DSPL Dn54.22
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance588.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating588.71.0192
FinRating, kevyt tuuli1036.10.9652
FinRating, kova tuuli463.51.0788
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0192
Triple Number Coastal/Long Distance Low0.8643
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2523
Triple Number Windward/Leeward Low0.6701
Triple Number Windward/Leeward Medium0.9034
Triple Number Windward/Leeward High1.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
For information
General Purpose Handicap (GPH)606.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Saronikos S All_Purpose614.20.9769
Saronikos S Upwind704.40.8518
Saronikos S Downwind504.41.1896
Saronikos N All_Purpose614.20.9769
Saronikos N Upwind736.10.8151
Saronikos N Downwind560.91.0698
Saronikos SW All_Purpose617.60.9715
Saronikos SW Upwind720.20.8331
Saronikos SW Downwind516.61.1614
Saronikos NE All_Purpose675.20.8886
Saronikos NE Upwind690.40.8691
Saronikos NE Downwind636.00.9434
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose560.61.0703
5-Band All-Purpose Low841.50.7130
5-Band All-Purpose L/M628.20.9550
5-Band All-Purpose Med545.51.0998
5-Band All-Purpose M/H496.61.2083
5-Band All-Purpose High469.41.2781
Single Number Predominant Upwind589.81.0173
Single Number Predominant Reaching513.01.1695
Single Number Predominant Downwind539.61.1119
5-Band 50-50 Windward/Leeward Low1052.80.5699
5-Band 50-50 Windward/Leeward L/M767.50.7818
5-Band 50-50 Windward/Leeward Med652.80.9191
5-Band 50-50 Windward/Leeward M/H587.91.0206
5-Band 50-50 Windward/Leeward High552.91.0851
5-Band 60-40 Windward/Leeward Low1058.10.5671
5-Band 60-40 Windward/Leeward L/M778.10.7711
5-Band 60-40 Windward/Leeward Med670.30.8951
5-Band 60-40 Windward/Leeward M/H611.80.9807
5-Band 60-40 Windward/Leeward High582.71.0297
Triple Number 50-50 Windward/Leeward Low938.50.6393
Triple Number 50-50 Windward/Leeward Med664.20.9033
Triple Number 50-50 Windward/Leeward High578.01.0381
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward685.80.8750
Triple Number 60-40 Windward/Leeward Low944.90.6350
Triple Number 60-40 Windward/Leeward Med680.70.8815
Triple Number 60-40 Windward/Leeward High603.30.9946
Triple Number All-Purpose Low755.20.7945
Triple Number All-Purpose Med553.61.0838
Triple Number All-Purpose High488.91.2274
Triple Number Predominant Upwind Low770.70.7785
Triple Number Predominant Upwind Med582.71.0297
Triple Number Predominant Upwind High540.61.1098
Triple Number Predominant Reaching Low681.80.8800
Triple Number Predominant Reaching Med514.51.1662
Triple Number Predominant Reaching High437.81.3705
Triple Number Predominant Downwind Low750.70.7993
Triple Number Predominant Downwind Med528.61.1350
Triple Number Predominant Downwind High433.71.3833
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low694.2
Triple Number Coastal/Long Distance Medium537.3
Triple Number Coastal/Long Distance High479.1
Triple Number Windward/Leeward Low895.4
Triple Number Windward/Leeward Medium664.2
Triple Number Windward/Leeward High578.0
Predominantly Upwind591.4
Predominantly Downwind538.4
Predominantly Reaching518.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8643
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2523
Triple Number Windward/Leeward Low0.6701
Triple Number Windward/Leeward Medium0.9034
Triple Number Windward/Leeward High1.0381
Coastal/Long Distance1.0192
Predominantly Upwind1.0145
Predominantly Downwind1.1144
For information
General Purpose Handicap (GPH)606.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1100
Distanseseilas Trippeltall svak vind0.8643
Distanseseilas Trippeltall mellomvind1.1166
Distanseseilas Trippeltall sterk vind1.2523
Pølsebane Trippeltall svak vind0.6701
Pølsebane Trippeltall mellomvind0.9034
Pølsebane Trippeltall sterk vind1.0381
Motvind Singeltall1.0145
Medvind Singeltall1.1144
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Coastal/Long Distance588.71.0192
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind591.41.0145
Predominantly Downwind538.41.1144
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore535.91.1195
Cape Doctor Coastal449.11.3359
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8643
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2523
Triple Number Windward/Leeward Low0.6701
Triple Number Windward/Leeward Medium0.9034
Triple Number Windward/Leeward High1.0381
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8643
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2523
Triple Number Windward/Leeward Low0.6701
Triple Number Windward/Leeward Medium0.9034
Triple Number Windward/Leeward High1.0381
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Predominantly Upwind591.41.0145
Predominantly Downwind538.41.1144
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low694.20.8643
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High479.11.2523
Triple Number Windward/Leeward Low895.40.6701
Triple Number Windward/Leeward Medium664.20.9034
Triple Number Windward/Leeward High578.01.0381
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.7991.2749.8627.6558.2520.0488.5438.4421.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP560.61.0703 Predom. Dn High417.51.4371 5B AP M/H486.31.2339 TriNum AP Low694.20.8643 Predom. Rc Low751.90.7980 5B AP High461.01.3016 TriNum AP Med537.41.1165 Predom. Rc L/M568.71.0551 5B SF Bay Low885.90.6773 TriNum AP High479.11.2523 Predom. Rc Med497.91.2051 5B SF Bay L/M730.90.8209 TriNum W/L Low938.50.6393 Predom. Rc M/H453.81.3221 5B SF Bay Med631.10.9508 TriNum W/L Med664.20.9034 Predom. Rc High428.71.3995 5B SF Bay M/H573.31.0466 TriNum W/L Hig578.01.0381 5B W/L Low1052.80.5699 5B SF Bay High542.31.1064 Predom. Upwind616.50.9732 5B W/L L/M767.50.7818 ChiMac Up Low744.40.8061 Predom. Reaching534.21.1231 5B W/L Med652.80.9191 ChiMac Up Med672.50.8922 Predom. Downwind563.31.0651 5B W/L M/H587.91.0206 ChiMac Up High589.31.0182 Predom. Up Low847.50.7080 5B W/L High552.91.0851 ChiMac Off Low719.90.8334 Predom. Up L/M644.50.9309 W/L 60-40 Low1058.10.5671 ChiMac Off Med631.20.9506 Predom. Up Med574.01.0454 W/L 60-40 L/M778.10.7711 ChiMac Off High526.21.1402 Predom. Up M/H537.71.1159 W/L 60-40 Med670.30.8951 ChiMac AP Low729.00.8230 Predom. Up High521.61.1502 W/L 60-40 M/H611.80.9807 ChiMac AP Med649.70.9236 Predom. Dn Low842.40.7123 W/L 60-40 High582.71.0297 ChiMac AP High556.41.0783 Predom. Dn L/M615.00.9756 5B AP Low771.80.7774 BayMac Cove Island840.40.7139 Predom. Dn Med519.01.1560 5B AP L/M606.30.9896 BayMac Shore833.90.7195 Predom. Dn M/H456.51.3145 5B AP Med530.11.1318 Harvest Moon465.71.2884      SA/DSPL Up25.22SA/DSPL Dn54.22
ORC Ref  04620004B9B Issued on 12/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 L10.626LSM010.862Accomod. length10.953Sink (kg/mm) 21.45
VCGD-0.145VCGM-0.028 RM Rated (kg·m) 146.2Limit of positive stability(°) 118.7 Stability Index 121.1 BLR index 0.0000Default crew weight170 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  04620004B9B Issued on 12/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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  04620004B9B Issued on 12/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org