Double HandedClub Certificate2025
PLATOONRSA-4869
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 Angles42.9°42.9°40.8°39.3°38.7°38.6°39.0°39.8°42.6°
Beat VMG2.433.394.154.564.724.804.854.854.61
52°3.785.156.126.606.766.866.926.976.87
60°4.045.426.366.816.997.097.167.237.18
75°4.245.626.516.997.287.457.567.717.73
90°4.295.756.727.127.377.707.948.238.39
110°4.325.806.827.417.898.228.519.069.44
120°4.135.626.697.307.858.438.989.7610.56
135°3.544.986.146.917.468.028.6510.4612.81
150°2.914.165.286.216.887.367.859.0111.88
Run VMG2.523.604.575.385.996.466.887.8010.29
Gybe Angles142.1°142.1°146.9°149.6°153.2°158.8°160.9°146.9°142.5°
APH ToD:570.0CDL: 8.082APH ToT: 1.0525CertNo:ZAD289
BOAT
ClassMOUNTGAY 30DesignerM VOOGDBuilderAge date01/1995Series date01/1993Offset fileRSA95B59.offData fileRSA 4869
HULL
Length Overall9.600 mMaximum Beam3.282 mDraft1.952 mDisplacement2,850 kgDLR4.9852IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.7434.32Headsail Luffed19.6119.61Headsail FlyingSymmetricAsymmetric67.8867.88 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail10.30Storm Jib6.48Heavy Weather Jib17.49
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
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.
Double HandedClub Certificate2025
PLATOONRSA-4869
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 VMG1483.51062.1868.2789.0762.6750.1742.9742.7780.4
52°952.3699.4587.8545.7532.2525.1520.5516.8524.4
60°891.3664.1566.4528.6515.2507.9502.8497.8501.4
75°849.0640.5552.8514.9494.5483.5476.1467.0465.7
90°839.4625.7535.6505.5488.5467.6453.6437.6429.2
110°834.2620.8528.1486.0456.1438.0423.1397.5381.3
120°871.6640.7538.4493.4458.3426.9401.0368.9341.0
135°1017.0723.5586.0521.2482.7449.1416.0344.2281.0
150°1237.7865.2682.4579.4523.2488.9458.5399.7303.0
Run VMG1429.7999.1788.0669.0600.9557.4523.1461.5349.9
Selected Courses
Windward / Leeward1456.51030.6828.1729.0681.8653.7633.0602.1565.1
All purpose1094.0789.7649.5585.5553.5532.1515.4489.6467.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward708.80.8465
All purpose570.01.0525
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7346
Downwind "popa"0.9132
70% up, 30% down "Ilhabela"0.7804
30% up, 70% down "Ilhabela-inverso"0.8511
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Predominantly Upwind622.10.9645
Predominantly Downwind573.11.0470
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low719.60.8338
Triple Number AP Medium566.91.0584
Triple Number AP High509.91.1767
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Single Number Predominant Upwind647.60.9265
Single Number Predominant Reaching561.91.0678
Single Number Predominant Downwind596.21.0064
Predominant Upwind - Low874.50.6861
Predominant Upwind - Low/Med672.80.8918
Predominant Upwind - Medium605.50.9910
Predominant Upwind - Med/High572.11.0488
Predominant Upwind - High556.31.0786
Predominant Downwind Low865.30.6934
Predominant Downwind Low/Med644.90.9304
Predominant Downwind Medium556.01.0791
Predominant Downwind Med/High494.61.2131
Predominant Downwind High445.31.3474
Predominant Reaching Low769.10.7801
Predominant Reaching Low/Med593.81.0104
Predominant Reaching Medium529.41.1333
Predominant Reaching Med/High485.11.2367
Predominant Reaching High453.21.3241
SA/DSPL Upwind26.45SA/DSPL Downwind50.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low1086.50.5523
5-Band Windward/Leeward Low/Med801.40.7487
5-Band Windward/Leeward Medium693.00.8658
5-Band Windward/Leeward Med/High635.40.9443
5-Band Windward/Leeward High601.10.9982
Windward/Leeward 60-40 Low1093.00.5490
Windward/Leeward 60-40 Low/Med811.70.7392
Windward/Leeward 60-40 Medium708.80.8466
Windward/Leeward 60-40 Med/High657.50.9126
Windward/Leeward 60-40 High630.70.9513
5-Band AP Low793.10.7566
5-Band AP Low/Med633.40.9472
5-Band AP Medium560.01.0714
5-Band AP Med/High517.11.1603
5-Band AP High490.21.2240
5-Band SF Bay Tour - Low934.90.6418
5-Band SF Bay Tour - Low/Med766.00.7832
5-Band SF Bay Tour - Medium667.70.8986
5-Band SF Bay Tour - Med/High615.00.9756
5-Band SF Bay Tour - High583.61.0281
Chicago-Mac Upwind0.9019
Chicago-Mac All Purpose0.9382
Chicago-Mac Downwind0.9696
Bayview-Mac Cove Island0.6904
Bayview-Mac Shore0.6955
Harvest Moon Regatta487.01.2320
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance620.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating620.40.9671
FinRating, kevyt tuuli1065.20.9388
FinRating, kova tuuli490.81.0188
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9671
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0585
Triple Number Coastal/Long Distance High1.1767
Triple Number Windward/Leeward Low0.6456
Triple Number Windward/Leeward Medium0.8539
Triple Number Windward/Leeward High0.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
For information
General Purpose Handicap (GPH)637.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low719.6
Triple Number Coastal/Long Distance Medium566.8
Triple Number Coastal/Long Distance High509.9
Triple Number Windward/Leeward Low929.4
Triple Number Windward/Leeward Medium702.7
Triple Number Windward/Leeward High626.6
Predominantly Upwind622.1
Predominantly Downwind573.1
Predominantly Reaching549.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0585
Triple Number Coastal/Long Distance High1.1767
Triple Number Windward/Leeward Low0.6456
Triple Number Windward/Leeward Medium0.8539
Triple Number Windward/Leeward High0.9575
Coastal/Long Distance0.9671
Predominantly Upwind0.9645
Predominantly Downwind1.0470
For information
General Purpose Handicap (GPH)637.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0525
Distanseseilas Trippeltall svak vind0.8338
Distanseseilas Trippeltall mellomvind1.0585
Distanseseilas Trippeltall sterk vind1.1767
Pølsebane Trippeltall svak vind0.6456
Pølsebane Trippeltall mellomvind0.8539
Pølsebane Trippeltall sterk vind0.9575
Motvind Singeltall0.9645
Medvind Singeltall1.0470
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Coastal/Long Distance620.40.9671
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind622.10.9645
Predominantly Downwind573.11.0470
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore576.21.0412
Cape Doctor Coastal474.01.2657
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0585
Triple Number Coastal/Long Distance High1.1767
Triple Number Windward/Leeward Low0.6456
Triple Number Windward/Leeward Medium0.8539
Triple Number Windward/Leeward High0.9575
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0585
Triple Number Coastal/Long Distance High1.1767
Triple Number Windward/Leeward Low0.6456
Triple Number Windward/Leeward Medium0.8539
Triple Number Windward/Leeward High0.9575
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Predominantly Upwind622.10.9645
Predominantly Downwind573.11.0470
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium566.81.0585
Triple Number Coastal/Long Distance High509.91.1767
Triple Number Windward/Leeward Low929.40.6456
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1545.31027.4778.6658.2592.3552.6518.5464.6439.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low719.60.8338
Triple Number AP Medium566.91.0584
Triple Number AP High509.91.1767
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium702.70.8539
Triple Number Windward/Leeward High626.60.9575
Single Number Predominant Upwind647.60.9265
Single Number Predominant Reaching561.91.0678
Single Number Predominant Downwind596.21.0064
Predominant Upwind - Low874.50.6861
Predominant Upwind - Low/Med672.80.8918
Predominant Upwind - Medium605.50.9910
Predominant Upwind - Med/High572.11.0488
Predominant Upwind - High556.31.0786
Predominant Downwind Low865.30.6934
Predominant Downwind Low/Med644.90.9304
Predominant Downwind Medium556.01.0791
Predominant Downwind Med/High494.61.2131
Predominant Downwind High445.31.3474
Predominant Reaching Low769.10.7801
Predominant Reaching Low/Med593.81.0104
Predominant Reaching Medium529.41.1333
Predominant Reaching Med/High485.11.2367
Predominant Reaching High453.21.3241
SA/DSPL Upwind26.45SA/DSPL Downwind50.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low1086.50.5523
5-Band Windward/Leeward Low/Med801.40.7487
5-Band Windward/Leeward Medium693.00.8658
5-Band Windward/Leeward Med/High635.40.9443
5-Band Windward/Leeward High601.10.9982
Windward/Leeward 60-40 Low1093.00.5490
Windward/Leeward 60-40 Low/Med811.70.7392
Windward/Leeward 60-40 Medium708.80.8466
Windward/Leeward 60-40 Med/High657.50.9126
Windward/Leeward 60-40 High630.70.9513
5-Band AP Low793.10.7566
5-Band AP Low/Med633.40.9472
5-Band AP Medium560.01.0714
5-Band AP Med/High517.11.1603
5-Band AP High490.21.2240
5-Band SF Bay Tour - Low934.90.6418
5-Band SF Bay Tour - Low/Med766.00.7832
5-Band SF Bay Tour - Medium667.70.8986
5-Band SF Bay Tour - Med/High615.00.9756
5-Band SF Bay Tour - High583.61.0281
Chicago-Mac Upwind0.9019
Chicago-Mac All Purpose0.9382
Chicago-Mac Downwind0.9696
Bayview-Mac Cove Island0.6904
Bayview-Mac Shore0.6955
Harvest Moon Regatta487.01.2320
Double HandedClub Certificate2025
PLATOONRSA-4869
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMOUNTGAY 30Measurement26/06/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.600Max. Beam3.282Draft1.952Displacement2,850Wetted area18.97IMS L8.497LSM08.299Acc. length9.600Sink (kg/mm) 14.53
VCGD0.021VCGM0.014RM Rated (kg·m) 81.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.360PBW0.115PIPA0.0030
EDL1.220ST10.040ST20.178
ST30.178ST40.105ST50.220
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P12.680IG11.330ISP11.440MDT10.100MDL10.170MDT2MDL2TLTaperMW0.170GO0.185
E4.638J3.460BAS1.650FSDNo FoilSFJ0.165SPL0.000WPLTPS4.030BD0.138MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/08/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
PLATOONRSA-4869
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.120.881.582.823.8533.7430/07/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ30.080.460.851.682.573.4711.40YesNo 19.6130/07/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA212.7010.8011.756.946.90101%67.8830/07/2025P27 KITE