Double HandedClub 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 Angles45.5°42.6°40.7°39.5°38.8°38.5°38.2°38.4°39.8°
Beat VMG2.543.584.274.614.764.844.904.924.80
52°3.985.416.286.646.786.866.916.966.90
60°4.265.676.496.836.977.047.117.177.16
75°4.465.836.626.987.187.307.397.537.59
90°4.325.726.587.037.297.507.667.918.09
110°3.885.446.537.077.397.607.788.128.49
120°3.755.296.407.037.447.798.098.548.95
135°3.274.765.936.767.267.698.129.1610.24
150°2.714.025.166.146.857.317.738.6710.08
Run VMG2.353.484.475.326.056.627.077.858.81
Gybe Angles139.0°145.3°149.4°152.3°159.0°166.0°171.8°172.7°157.9°
APH ToD:575.1CDL: 8.456APH ToT: 1.0433CertNo:ZAD219
BOAT
ClassJ33DesignerRod JohnstoneBuilderJ BOATSAge date01/1991Series date01/1988Offset filej33.offData fileITA12128
HULL
Length Overall10.173Maximum Beam3.314Draft1.964Displacement4,200DLR5.5804IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeSolid 2 bladesDiameter0.320m
CREW
Maximum weight170(default)Minimum weight120 ✱ 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 91.5 Stability Index 113.9
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  04620004BVR Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1415.11004.7843.3781.2755.9743.3735.2731.6750.1
52°904.3665.4573.4542.2531.0525.2521.0517.3521.7
60°844.6635.4554.8527.3516.9511.1506.6501.9503.1
75°807.6617.8543.5515.4501.3493.3486.9477.9474.2
90°833.2629.8546.9512.4493.5479.9469.9455.3444.9
110°928.2661.3551.6509.3486.9473.5462.5443.5423.8
120°961.1680.3562.2511.8483.9462.1445.1421.4402.0
135°1100.5756.9607.0532.5495.8468.3443.6393.2351.5
150°1326.3896.0697.7586.8525.9492.7465.8415.4357.3
Run VMG1531.51034.6805.6676.1594.6543.4509.3458.7408.7
Selected Courses
Windward / Leeward1473.31019.6824.5728.7675.2643.4622.3595.2579.4
All purpose1110.5787.2651.4589.9557.8538.5524.2502.7488.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward702.40.8542
All purpose575.11.0433
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7506
Downwind "popa"0.9086
70% up, 30% down "Ilhabela"0.7920
30% up, 70% down "Ilhabela-inverso"0.8547
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Predominantly Upwind620.00.9677
Predominantly Downwind579.21.0359
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP597.01.0050 Predom. Rc High472.71.2693 5B SF Bay L/M759.90.7896 TriNum AP Low719.30.8342 Predom. Dn Low887.90.6757 5B SF Bay Med665.20.9020 TriNum AP Med571.51.0498 Predom. Dn L/M653.50.9181 5B SF Bay M/H612.40.9798 TriNum AP High519.71.1545 Predom. Dn Med560.41.0708 5B SF Bay High586.21.0236 TriNum W/L Low967.60.6201 Predom. Dn M/H502.31.1945 5B AP Low802.60.7476 TriNum W/L Med697.50.8602 Predom. Dn High465.31.2894 5B AP L/M635.90.9435 TriNum W/L Hig617.40.9718 ChiMac Up Low761.30.7881 5B AP Med564.91.0622 Predom. Upwind644.40.9311 ChiMac Up Med696.00.8621 5B AP M/H525.81.1411 Predom. Reaching570.51.0518 ChiMac Up High619.40.9687 5B AP High503.91.1907 Predom. Downwind606.50.9893 ChiMac Off Low762.90.7865 5B W/L Low1084.30.5534 Predom. Up Low855.80.7011 ChiMac Off Med674.10.8901 5B W/L L/M797.40.7524 Predom. Up L/M666.40.9004 ChiMac Off High568.51.0553 5B W/L Med686.80.8736 Predom. Up Med604.60.9924 ChiMac AP Low758.20.7913 5B W/L M/H625.70.9589 Predom. Up M/H574.11.0451 ChiMac AP Med682.40.8793 5B W/L High597.11.0048 Predom. Up High560.21.0710 ChiMac AP High592.41.0128 W/L 60-40 Low1080.80.5551 Predom. Rc Low776.10.7731 BayMac Cove Island872.40.6877 W/L 60-40 L/M804.40.7459 Predom. Rc L/M599.21.0014 BayMac Shore864.40.6941 W/L 60-40 Med702.10.8546 Predom. Rc Med535.51.1205 Harvest Moon507.11.1833 W/L 60-40 M/H648.10.9258 Predom. Rc M/H497.31.2065 5B SF Bay Low909.90.6594 W/L 60-40 High624.80.9603      SA/DSPL Up27.21SA/DSPL Dn42.91
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance623.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating623.70.9620
FinRating, kevyt tuuli1069.90.9347
FinRating, kova tuuli507.10.9861
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9620
Triple Number Coastal/Long Distance Low0.8342
Triple Number Coastal/Long Distance Medium1.0499
Triple Number Coastal/Long Distance High1.1545
Triple Number Windward/Leeward Low0.6507
Triple Number Windward/Leeward Medium0.8602
Triple Number Windward/Leeward High0.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
For information
General Purpose Handicap (GPH)641.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Saronikos S All Purpose644.10.9315
Saronikos S Upwind719.80.8336
Saronikos S Downwind555.61.0798
Saronikos N All Purpose644.10.9315
Saronikos N Upwind748.60.8015
Saronikos N Downwind610.30.9831
Saronikos SW All Purpose645.90.9289
Saronikos SW Upwind731.10.8206
Saronikos SW Downwind567.01.0582
Saronikos NE All Purpose707.50.8481
Saronikos NE Upwind703.80.8525
Saronikos NE Downwind690.40.8690
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose597.01.0050
5-Band All Purpose Low867.20.6919
5-Band All Purpose L/M658.00.9119
5-Band All Purpose Med581.41.0320
5-Band All Purpose M/H537.61.1160
5-Band All Purpose High512.71.1702
Single Number Predominant Upwind618.30.9705
Single Number Predominant Reaching549.11.0928
Single Number Predominant Downwind580.51.0337
5-Band 50-50 Windward/Leeward Low1084.30.5534
5-Band 50-50 Windward/Leeward L/M797.40.7524
5-Band 50-50 Windward/Leeward Med686.80.8736
5-Band 50-50 Windward/Leeward M/H625.70.9589
5-Band 50-50 Windward/Leeward High597.11.0048
5-Band 60-40 Windward/Leeward Low1080.80.5551
5-Band 60-40 Windward/Leeward L/M804.40.7459
5-Band 60-40 Windward/Leeward Med702.10.8546
5-Band 60-40 Windward/Leeward M/H648.10.9258
5-Band 60-40 Windward/Leeward High624.80.9603
Triple Number 50-50 Windward/Leeward Low967.60.6201
Triple Number 50-50 Windward/Leeward Med697.60.8601
Triple Number 50-50 Windward/Leeward High617.40.9718
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward717.20.8366
Triple Number 60-40 Windward/Leeward Low967.50.6202
Triple Number 60-40 Windward/Leeward Med711.80.8430
Triple Number 60-40 Windward/Leeward High641.10.9359
Triple Number All-Purpose Low781.10.7681
Triple Number All-Purpose Med588.71.0192
Triple Number All-Purpose High530.61.1307
Triple Number Predominant Upwind Low785.00.7643
Triple Number Predominant Upwind Med612.30.9799
Triple Number Predominant Upwind High576.81.0403
Triple Number Predominant Reaching Low707.00.8486
Triple Number Predominant Reaching Med550.21.0904
Triple Number Predominant Reaching High481.91.2450
Triple Number Predominant Downwind Low791.20.7583
Triple Number Predominant Downwind Med570.01.0527
Triple Number Predominant Downwind High481.31.2467
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low719.3
Triple Number Coastal/Long Distance Medium571.5
Triple Number Coastal/Long Distance High519.7
Triple Number Windward/Leeward Low922.1
Triple Number Windward/Leeward Medium697.5
Triple Number Windward/Leeward High617.4
Predominantly Upwind620.0
Predominantly Downwind579.2
Predominantly Reaching557.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8342
Triple Number Coastal/Long Distance Medium1.0499
Triple Number Coastal/Long Distance High1.1545
Triple Number Windward/Leeward Low0.6507
Triple Number Windward/Leeward Medium0.8602
Triple Number Windward/Leeward High0.9718
Coastal/Long Distance0.9620
Predominantly Upwind0.9677
Predominantly Downwind1.0359
For information
General Purpose Handicap (GPH)641.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0433
Distanseseilas Trippeltall svak vind0.8342
Distanseseilas Trippeltall mellomvind1.0499
Distanseseilas Trippeltall sterk vind1.1545
Pølsebane Trippeltall svak vind0.6507
Pølsebane Trippeltall mellomvind0.8602
Pølsebane Trippeltall sterk vind0.9718
Motvind Singeltall0.9677
Medvind Singeltall1.0359
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Coastal/Long Distance623.70.9620
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind620.00.9677
Predominantly Downwind579.21.0359
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore584.11.0271
Cape Doctor Coastal492.51.2182
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8342
Triple Number Coastal/Long Distance Medium1.0499
Triple Number Coastal/Long Distance High1.1545
Triple Number Windward/Leeward Low0.6507
Triple Number Windward/Leeward Medium0.8602
Triple Number Windward/Leeward High0.9718
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8342
Triple Number Coastal/Long Distance Medium1.0499
Triple Number Coastal/Long Distance High1.1545
Triple Number Windward/Leeward Low0.6507
Triple Number Windward/Leeward Medium0.8602
Triple Number Windward/Leeward High0.9718
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Predominantly Upwind620.00.9677
Predominantly Downwind579.21.0359
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance623.70.9620
Triple Number Coastal/Long Distance Low719.30.8342
Triple Number Coastal/Long Distance Medium571.51.0499
Triple Number Coastal/Long Distance High519.71.1545
Triple Number Windward/Leeward Low922.10.6507
Triple Number Windward/Leeward Medium697.50.8602
Triple Number Windward/Leeward High617.40.9718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1479.11021.1777.7660.4594.3558.0528.7482.5466.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP597.01.0050 Predom. Dn High465.31.2894 5B AP M/H525.81.1411 TriNum AP Low719.30.8342 Predom. Rc Low776.10.7731 5B AP High503.91.1907 TriNum AP Med571.51.0498 Predom. Rc L/M599.21.0014 5B SF Bay Low909.90.6594 TriNum AP High519.71.1545 Predom. Rc Med535.51.1205 5B SF Bay L/M759.90.7896 TriNum W/L Low967.60.6201 Predom. Rc M/H497.31.2065 5B SF Bay Med665.20.9020 TriNum W/L Med697.50.8602 Predom. Rc High472.71.2693 5B SF Bay M/H612.40.9798 TriNum W/L Hig617.40.9718 5B W/L Low1084.30.5534 5B SF Bay High586.21.0236 Predom. Upwind644.40.9311 5B W/L L/M797.40.7524 ChiMac Up Low761.30.7881 Predom. Reaching570.51.0518 5B W/L Med686.80.8736 ChiMac Up Med696.00.8621 Predom. Downwind606.50.9893 5B W/L M/H625.70.9589 ChiMac Up High619.40.9687 Predom. Up Low855.80.7011 5B W/L High597.11.0048 ChiMac Off Low762.90.7865 Predom. Up L/M666.40.9004 W/L 60-40 Low1080.80.5551 ChiMac Off Med674.10.8901 Predom. Up Med604.60.9924 W/L 60-40 L/M804.40.7459 ChiMac Off High568.51.0553 Predom. Up M/H574.11.0451 W/L 60-40 Med702.10.8546 ChiMac AP Low758.20.7913 Predom. Up High560.21.0710 W/L 60-40 M/H648.10.9258 ChiMac AP Med682.40.8793 Predom. Dn Low887.90.6757 W/L 60-40 High624.80.9603 ChiMac AP High592.41.0128 Predom. Dn L/M653.50.9181 5B AP Low802.60.7476 BayMac Cove Island872.40.6877 Predom. Dn Med560.41.0708 5B AP L/M635.90.9435 BayMac Shore864.40.6941 Predom. Dn M/H502.31.1945 5B AP Med564.91.0622 Harvest Moon507.11.1833      SA/DSPL Up27.21SA/DSPL Dn42.91
ORC Ref  04620004BVR Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 area22.03IMS L9.106LSM09.095Accomod. length10.173Sink (kg/mm) 16.47
VCGD0.035VCGM0.005 RM Rated (kg·m) 91.5Limit of positive stability(°) 115.0 Stability Index 113.9 BLR index 0.0000Default crew weight170 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
SFFP0.698FFMFF1.101LCFcl5.772SG
SAFP9.848FAMFA0.778LCFsh6.009HBI0.942
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004BVR Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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  04620004BVR Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org