Club Certificate2026
MSC Donna MiaITA-12128
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 Angles46.0°42.7°40.8°38.8°37.4°36.7°36.3°36.1°36.9°
Beat VMG2.503.544.304.805.025.135.205.275.25
52°3.925.376.316.786.987.077.137.217.23
60°4.205.646.516.937.137.237.307.407.44
75°4.405.806.637.047.297.467.577.747.86
90°4.255.666.577.047.357.607.808.098.34
110°3.845.416.537.117.497.788.028.408.73
120°3.705.246.377.037.477.858.218.869.37
135°3.234.705.866.717.227.658.079.0610.51
150°2.673.975.106.076.797.257.658.489.66
Run VMG2.323.444.425.276.006.587.027.768.54
Gybe Angles138.7°145.3°149.6°152.1°158.8°166.0°172.7°176.3°166.3°
APH ToD:566.2CDL: 8.979APH ToT: 1.0597CertNo:ZAC219
BOAT
ClassJ33DesignerRod JohnstoneBuilderJ BOATSAge date01/1991Series date01/1988Offset filej33.offData fileITA12128
HULL
Length Overall10.173Maximum Beam3.314Draft1.964Displacement4,200DLR5.5964IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeSolid 2 bladesDiameter0.320m
CREW
Maximum weight605(declared)Minimum weight475 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.8832.70Headsail Luffed39.2739.27Headsail FlyingSymmetric80.3680.36Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.13Storm Jib8.81Heavy Weather Jib23.79
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 91.4 Stability Index 109.5
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  04620004A47 Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MSC Donna MiaITA-12128
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 VMG1442.31017.4837.0749.7716.5701.2692.0682.8686.1
52°919.4670.2570.4530.8516.0509.4505.1499.6498.1
60°856.2638.4553.2519.8504.9497.9493.1486.2484.1
75°818.5620.5543.3511.6493.8482.4475.5464.8458.3
90°848.0635.8547.9511.3490.0473.7461.7444.9431.8
110°938.5664.9551.2506.1480.9462.6448.9428.5412.5
120°974.0687.4565.0511.8482.1458.6438.5406.1384.2
135°1116.1766.3614.4536.5498.7470.8446.3397.5342.7
150°1346.3906.5705.6592.9529.8496.7470.7424.4372.5
Run VMG1554.61046.8814.7683.4599.6547.2512.7464.0421.5
Selected Courses
Windward / Leeward1498.51032.1825.9716.5658.1624.2602.4573.4553.8
All purpose1128.3795.3652.3582.7547.0525.7510.6487.5468.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward688.70.8713
All purpose566.21.0597
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7783
Downwind "popa"0.8997
70% up, 30% down "Ilhabela"0.8111
30% up, 70% down "Ilhabela-inverso"0.8595
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Predominantly Upwind607.10.9884
Predominantly Downwind578.71.0369
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP589.21.0184 Predom. Rc High462.41.2976 5B SF Bay L/M754.70.7950 TriNum AP Low723.80.8290 Predom. Dn Low898.50.6677 5B SF Bay Med649.20.9242 TriNum AP Med562.41.0668 Predom. Dn L/M656.10.9145 5B SF Bay M/H592.11.0134 TriNum AP High505.71.1865 Predom. Dn Med558.31.0747 5B SF Bay High563.11.0655 TriNum W/L Low975.00.6154 Predom. Dn M/H498.11.2045 5B AP Low810.60.7402 TriNum W/L Med683.10.8784 Predom. Dn High460.31.3036 5B AP L/M633.30.9474 TriNum W/L Hig597.01.0051 ChiMac Up Low760.40.7891 5B AP Med555.11.0809 Predom. Upwind631.90.9495 ChiMac Up Med688.00.8721 5B AP M/H512.31.1712 Predom. Reaching566.91.0584 ChiMac Up High604.00.9933 5B AP High488.31.2289 Predom. Downwind606.30.9896 ChiMac Off Low768.70.7805 5B W/L Low1097.10.5469 Predom. Up Low864.70.6939 ChiMac Off Med676.50.8869 5B W/L L/M792.90.7567 Predom. Up L/M660.00.9091 ChiMac Off High567.21.0579 5B W/L Med671.40.8936 Predom. Up Med588.71.0192 ChiMac AP Low760.70.7888 5B W/L M/H605.80.9904 Predom. Up M/H554.11.0828 ChiMac AP Med679.60.8829 5B W/L High575.01.0435 Predom. Up High536.91.1174 ChiMac AP High584.11.0272 W/L 60-40 Low1093.40.5487 Predom. Rc Low784.70.7646 BayMac Cove Island876.40.6846 W/L 60-40 L/M797.30.7525 Predom. Rc L/M599.01.0017 BayMac Shore868.30.6910 W/L 60-40 Med682.60.8790 Predom. Rc Med530.21.1317 Harvest Moon503.21.1924 W/L 60-40 M/H623.50.9623 Predom. Rc M/H489.11.2268 5B SF Bay Low918.80.6530 W/L 60-40 High597.01.0050      SA/DSPL Up27.21SA/DSPL Dn42.91
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance614.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating614.50.9764
FinRating, kevyt tuuli1083.20.9232
FinRating, kova tuuli491.01.0183
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9764
Triple Number Coastal/Long Distance Low0.8290
Triple Number Coastal/Long Distance Medium1.0669
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6459
Triple Number Windward/Leeward Medium0.8784
Triple Number Windward/Leeward High1.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
For information
General Purpose Handicap (GPH)634.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Saronikos S All_Purpose637.50.9411
Saronikos S Upwind707.80.8477
Saronikos S Downwind559.81.0719
Saronikos N All_Purpose637.50.9411
Saronikos N Upwind739.00.8119
Saronikos N Downwind614.00.9771
Saronikos SW All_Purpose643.70.9320
Saronikos SW Upwind727.10.8252
Saronikos SW Downwind569.41.0538
Saronikos NE All_Purpose702.90.8536
Saronikos NE Upwind697.40.8603
Saronikos NE Downwind694.70.8637
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose589.21.0184
5-Band All-Purpose Low876.90.6842
5-Band All-Purpose L/M656.10.9145
5-Band All-Purpose Med572.51.0480
5-Band All-Purpose M/H525.51.1418
5-Band All-Purpose High498.51.2037
Single Number Predominant Upwind605.40.9911
Single Number Predominant Reaching545.11.1006
Single Number Predominant Downwind579.71.0349
5-Band 50-50 Windward/Leeward Low1097.10.5469
5-Band 50-50 Windward/Leeward L/M792.90.7567
5-Band 50-50 Windward/Leeward Med671.40.8936
5-Band 50-50 Windward/Leeward M/H605.80.9904
5-Band 50-50 Windward/Leeward High575.01.0435
5-Band 60-40 Windward/Leeward Low1093.40.5487
5-Band 60-40 Windward/Leeward L/M797.30.7525
5-Band 60-40 Windward/Leeward Med682.60.8790
5-Band 60-40 Windward/Leeward M/H623.50.9623
5-Band 60-40 Windward/Leeward High597.01.0050
Triple Number 50-50 Windward/Leeward Low975.00.6154
Triple Number 50-50 Windward/Leeward Med683.20.8783
Triple Number 50-50 Windward/Leeward High596.91.0051
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward699.50.8577
Triple Number 60-40 Windward/Leeward Low974.00.6160
Triple Number 60-40 Windward/Leeward Med693.30.8654
Triple Number 60-40 Windward/Leeward High615.70.9745
Triple Number All-Purpose Low787.00.7624
Triple Number All-Purpose Med580.41.0337
Triple Number All-Purpose High518.11.1580
Triple Number Predominant Upwind Low789.00.7604
Triple Number Predominant Upwind Med597.41.0043
Triple Number Predominant Upwind High554.41.0822
Triple Number Predominant Reaching Low712.50.8421
Triple Number Predominant Reaching Med544.61.1017
Triple Number Predominant Reaching High474.11.2655
Triple Number Predominant Downwind Low798.90.7510
Triple Number Predominant Downwind Med569.41.0538
Triple Number Predominant Downwind High479.21.2520
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low723.8
Triple Number Coastal/Long Distance Medium562.4
Triple Number Coastal/Long Distance High505.7
Triple Number Windward/Leeward Low928.9
Triple Number Windward/Leeward Medium683.1
Triple Number Windward/Leeward High597.0
Predominantly Upwind607.1
Predominantly Downwind578.7
Predominantly Reaching554.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8290
Triple Number Coastal/Long Distance Medium1.0669
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6459
Triple Number Windward/Leeward Medium0.8784
Triple Number Windward/Leeward High1.0051
Coastal/Long Distance0.9764
Predominantly Upwind0.9884
Predominantly Downwind1.0369
For information
General Purpose Handicap (GPH)634.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0597
Distanseseilas Trippeltall svak vind0.8290
Distanseseilas Trippeltall mellomvind1.0669
Distanseseilas Trippeltall sterk vind1.1865
Pølsebane Trippeltall svak vind0.6459
Pølsebane Trippeltall mellomvind0.8784
Pølsebane Trippeltall sterk vind1.0051
Motvind Singeltall0.9884
Medvind Singeltall1.0369
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Coastal/Long Distance614.50.9764
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind607.10.9884
Predominantly Downwind578.71.0369
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore559.61.0721
Cape Doctor Coastal474.41.2648
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8290
Triple Number Coastal/Long Distance Medium1.0669
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6459
Triple Number Windward/Leeward Medium0.8784
Triple Number Windward/Leeward High1.0051
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8290
Triple Number Coastal/Long Distance Medium1.0669
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6459
Triple Number Windward/Leeward Medium0.8784
Triple Number Windward/Leeward High1.0051
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Predominantly Upwind607.10.9884
Predominantly Downwind578.71.0369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.50.9764
Triple Number Coastal/Long Distance Low723.80.8290
Triple Number Coastal/Long Distance Medium562.41.0669
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low928.90.6459
Triple Number Windward/Leeward Medium683.10.8784
Triple Number Windward/Leeward High597.01.0051
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1504.11033.5779.3651.1581.4544.8515.9469.2451.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP589.21.0184 Predom. Dn High460.31.3036 5B AP M/H512.31.1712 TriNum AP Low723.80.8290 Predom. Rc Low784.70.7646 5B AP High488.31.2289 TriNum AP Med562.41.0668 Predom. Rc L/M599.01.0017 5B SF Bay Low918.80.6530 TriNum AP High505.71.1865 Predom. Rc Med530.21.1317 5B SF Bay L/M754.70.7950 TriNum W/L Low975.00.6154 Predom. Rc M/H489.11.2268 5B SF Bay Med649.20.9242 TriNum W/L Med683.10.8784 Predom. Rc High462.41.2976 5B SF Bay M/H592.11.0134 TriNum W/L Hig597.01.0051 5B W/L Low1097.10.5469 5B SF Bay High563.11.0655 Predom. Upwind631.90.9495 5B W/L L/M792.90.7567 ChiMac Up Low760.40.7891 Predom. Reaching566.91.0584 5B W/L Med671.40.8936 ChiMac Up Med688.00.8721 Predom. Downwind606.30.9896 5B W/L M/H605.80.9904 ChiMac Up High604.00.9933 Predom. Up Low864.70.6939 5B W/L High575.01.0435 ChiMac Off Low768.70.7805 Predom. Up L/M660.00.9091 W/L 60-40 Low1093.40.5487 ChiMac Off Med676.50.8869 Predom. Up Med588.71.0192 W/L 60-40 L/M797.30.7525 ChiMac Off High567.21.0579 Predom. Up M/H554.11.0828 W/L 60-40 Med682.60.8790 ChiMac AP Low760.70.7888 Predom. Up High536.91.1174 W/L 60-40 M/H623.50.9623 ChiMac AP Med679.60.8829 Predom. Dn Low898.50.6677 W/L 60-40 High597.01.0050 ChiMac AP High584.11.0272 Predom. Dn L/M656.10.9145 5B AP Low810.60.7402 BayMac Cove Island876.40.6846 Predom. Dn Med558.31.0747 5B AP L/M633.30.9474 BayMac Shore868.30.6910 Predom. Dn M/H498.11.2045 5B AP Med555.11.0809 Harvest Moon503.21.1924      SA/DSPL Up27.21SA/DSPL Dn42.91
ORC Ref  04620004A47 Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MSC Donna MiaITA-12128
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ33Measurement07/06/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.173Maximum beam3.314Draft1.964Displacement4,200Wetted area22.02IMS L9.271LSM09.087Accomod. length10.173Sink (kg/mm) 16.44
VCGD0.032VCGM0.002 RM Rated (kg·m) 91.4Limit of positive stability(°) 110.5 Stability Index 109.5 BLR index 0.0000Default crew weight600 Declared crew weight 605
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.320PBW0.080PIPA0.0121
PSD0.030PHD0.050PHL0.170
PSA20.0°ESL0.650
ST10.015ST20.100ST30.100
ST40.040ST50.170
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P11.860IG13.273ISP13.333MDT10.100MDL10.165MDT20.095MDL20.120TL2.906MW0.165GO0.165
E4.397J3.820BAS1.521FSD0.016SFJSPL3.900WPLTPSBD0.120MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/06/2023
SFFP0.698FFMFF1.096LCFcl5.762SG
SAFP9.848FAMFA0.782LCFsh5.999HBI0.940
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004A47 Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MSC Donna MiaITA-12128
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.170.961.712.903.8531.8805/07/2023built 7/23
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment#1 Genoa0.070.711.382.794.305.8513.72NoNo 39.2721/06/20236/202300.050.671.342.714.135.6613.12NoNo 36.2507/06/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS2 Spinnaker13.4013.4013.407.266.9480.3621/06/20236/2023 .5oz013.1313.1313.136.586.5872.0007/06/2023
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.2 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity84 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity54 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04620004A47 Issued on 07/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org