Non Spin/HSFClub Certificate2025
HOT ICERSA-1726
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°40.4°38.2°36.6°36.0°35.7°35.8°36.7°
Beat VMG2.573.564.334.885.195.315.385.435.38
52°4.005.386.346.867.147.297.387.497.50
60°4.255.646.547.017.327.527.637.777.83
75°4.395.796.667.127.507.828.048.308.43
90°4.255.666.597.107.507.898.278.889.22
110°3.615.026.146.867.327.788.259.4310.65
120°3.344.705.846.657.157.588.049.1810.81
135°2.804.065.196.116.777.217.638.569.85
150°2.313.424.495.436.236.827.248.069.08
Run VMG2.002.963.904.765.576.296.847.658.53
Gybe Angles146.6°146.6°151.9°174.8°176.6°177.7°179.0°179.3°178.4°
APH ToD:576.1CDL: 9.081APH ToT: 1.0414CertNo:ZAN067
BOAT
ClassMOUNT GAY 30DesignerSIMONISBuilderPhil HarveyAge date10/1995Series date10/1995Offset fileMG30-RSA1726.offData fileRSA1726
HULL
Length Overall9.735 mMaximum Beam3.284 mDraft2.236 mDisplacement2,745 kgDLR4.5814IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight650 kg(declared)Minimum weight520 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.7633.44Headsail Luffed23.0123.01Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.62Storm Jib6.65Heavy Weather Jib17.94
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
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.
Non Spin/HSFClub Certificate2025
HOT ICERSA-1726
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 VMG1398.91012.2830.7737.0694.0677.9668.8662.5668.9
52°900.1669.1568.3525.0503.9494.2487.8480.9479.7
60°848.0638.5550.5513.9491.6478.9471.7463.1460.1
75°819.6621.7540.3505.4480.1460.2447.5433.9427.0
90°848.0636.3546.2507.0480.2456.4435.2405.4390.3
110°998.6716.9586.0525.1491.7462.9436.2381.7338.0
120°1078.7765.8616.6541.5503.7474.7447.8392.0333.0
135°1283.9887.1693.4589.2532.0499.1471.8420.5365.5
150°1561.61051.8801.1662.5578.1528.2497.3446.5396.7
Run VMG1802.91214.5923.7757.0646.2572.5526.4470.3422.2
Selected Courses
Windward / Leeward1597.61113.3877.2747.0670.1625.2597.6566.4545.6
All purpose1187.6846.4684.5601.0553.6524.6504.3474.1450.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward706.90.8487
All purpose576.11.0414
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7950
Downwind "popa"0.8218
70% up, 30% down "Ilhabela"0.8029
30% up, 70% down "Ilhabela-inverso"0.8136
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Predominantly Upwind606.90.9887
Predominantly Downwind608.80.9856
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low765.50.7838
Triple Number AP Medium573.11.0468
Triple Number AP High498.11.2047
Triple Number Windward/Leeward Low1042.80.5754
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Single Number Predominant Upwind631.10.9507
Single Number Predominant Reaching578.31.0376
Single Number Predominant Downwind640.30.9370
Predominant Upwind - Low885.10.6779
Predominant Upwind - Low/Med669.70.8960
Predominant Upwind - Medium585.31.0251
Predominant Upwind - Med/High541.51.1079
Predominant Upwind - High521.71.1502
Predominant Downwind Low993.60.6039
Predominant Downwind Low/Med708.40.8470
Predominant Downwind Medium583.11.0289
Predominant Downwind Med/High505.01.1881
Predominant Downwind High461.11.3013
Predominant Reaching Low830.40.7225
Predominant Reaching Low/Med623.00.9631
Predominant Reaching Medium537.41.1165
Predominant Reaching Med/High483.21.2418
Predominant Reaching High450.21.3326
SA/DSPL Upwind28.36SA/DSPL Downwind28.36
Scoring OptionTODTOT
5-Band Windward/Leeward Low1176.20.5101
5-Band Windward/Leeward Low/Med835.50.7181
5-Band Windward/Leeward Medium686.60.8738
5-Band Windward/Leeward Med/High603.10.9949
5-Band Windward/Leeward High568.21.0560
Windward/Leeward 60-40 Low1153.60.5201
Windward/Leeward 60-40 Low/Med829.30.7235
Windward/Leeward 60-40 Medium690.80.8685
Windward/Leeward 60-40 Med/High616.70.9729
Windward/Leeward 60-40 High587.51.0213
5-Band AP Low865.60.6932
5-Band AP Low/Med659.60.9097
5-Band AP Medium563.41.0649
5-Band AP Med/High506.81.1839
5-Band AP High475.31.2625
5-Band SF Bay Tour - Low998.40.6010
5-Band SF Bay Tour - Low/Med794.10.7556
5-Band SF Bay Tour - Medium661.90.9064
5-Band SF Bay Tour - Med/High590.11.0168
5-Band SF Bay Tour - High557.71.0758
Chicago-Mac Upwind0.9203
Chicago-Mac All Purpose0.9139
Chicago-Mac Downwind0.8966
Bayview-Mac Cove Island0.6495
Bayview-Mac Shore0.6580
Harvest Moon Regatta500.21.1995
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance629.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9539
Triple Number Coastal/Long Distance Low0.7838
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.2047
Triple Number Windward/Leeward Low0.6029
Triple Number Windward/Leeward Medium0.8550
Triple Number Windward/Leeward High1.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
For information
General Purpose Handicap (GPH)652.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low765.5
Triple Number Coastal/Long Distance Medium573.1
Triple Number Coastal/Long Distance High498.0
Triple Number Windward/Leeward Low995.2
Triple Number Windward/Leeward Medium701.8
Triple Number Windward/Leeward High592.8
Predominantly Upwind606.9
Predominantly Downwind608.8
Predominantly Reaching572.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7838
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.2047
Triple Number Windward/Leeward Low0.6029
Triple Number Windward/Leeward Medium0.8550
Triple Number Windward/Leeward High1.0122
Coastal/Long Distance0.9539
Predominantly Upwind0.9887
Predominantly Downwind0.9856
For information
General Purpose Handicap (GPH)652.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0414
Distanseseilas Trippeltall svak vind0.7838
Distanseseilas Trippeltall mellomvind1.0470
Distanseseilas Trippeltall sterk vind1.2047
Pølsebane Trippeltall svak vind0.6029
Pølsebane Trippeltall mellomvind0.8550
Pølsebane Trippeltall sterk vind1.0122
Motvind Singeltall0.9887
Medvind Singeltall0.9856
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Coastal/Long Distance629.00.9539
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind606.90.9887
Predominantly Downwind608.80.9856
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore551.81.0873
Cape Doctor Coastal457.71.3109
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7838
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.2047
Triple Number Windward/Leeward Low0.6029
Triple Number Windward/Leeward Medium0.8550
Triple Number Windward/Leeward High1.0122
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7838
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.2047
Triple Number Windward/Leeward Low0.6029
Triple Number Windward/Leeward Medium0.8550
Triple Number Windward/Leeward High1.0122
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Predominantly Upwind606.90.9887
Predominantly Downwind608.80.9856
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance629.00.9539
Triple Number Coastal/Long Distance Low765.50.7838
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High498.01.2047
Triple Number Windward/Leeward Low995.20.6029
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1737.51123.4827.5676.0589.2544.2510.2452.8425.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low765.50.7838
Triple Number AP Medium573.11.0468
Triple Number AP High498.11.2047
Triple Number Windward/Leeward Low1042.80.5754
Triple Number Windward/Leeward Medium701.80.8550
Triple Number Windward/Leeward High592.81.0122
Single Number Predominant Upwind631.10.9507
Single Number Predominant Reaching578.31.0376
Single Number Predominant Downwind640.30.9370
Predominant Upwind - Low885.10.6779
Predominant Upwind - Low/Med669.70.8960
Predominant Upwind - Medium585.31.0251
Predominant Upwind - Med/High541.51.1079
Predominant Upwind - High521.71.1502
Predominant Downwind Low993.60.6039
Predominant Downwind Low/Med708.40.8470
Predominant Downwind Medium583.11.0289
Predominant Downwind Med/High505.01.1881
Predominant Downwind High461.11.3013
Predominant Reaching Low830.40.7225
Predominant Reaching Low/Med623.00.9631
Predominant Reaching Medium537.41.1165
Predominant Reaching Med/High483.21.2418
Predominant Reaching High450.21.3326
SA/DSPL Upwind28.36SA/DSPL Downwind28.36
Scoring OptionTODTOT
5-Band Windward/Leeward Low1176.20.5101
5-Band Windward/Leeward Low/Med835.50.7181
5-Band Windward/Leeward Medium686.60.8738
5-Band Windward/Leeward Med/High603.10.9949
5-Band Windward/Leeward High568.21.0560
Windward/Leeward 60-40 Low1153.60.5201
Windward/Leeward 60-40 Low/Med829.30.7235
Windward/Leeward 60-40 Medium690.80.8685
Windward/Leeward 60-40 Med/High616.70.9729
Windward/Leeward 60-40 High587.51.0213
5-Band AP Low865.60.6932
5-Band AP Low/Med659.60.9097
5-Band AP Medium563.41.0649
5-Band AP Med/High506.81.1839
5-Band AP High475.31.2625
5-Band SF Bay Tour - Low998.40.6010
5-Band SF Bay Tour - Low/Med794.10.7556
5-Band SF Bay Tour - Medium661.90.9064
5-Band SF Bay Tour - Med/High590.11.0168
5-Band SF Bay Tour - High557.71.0758
Chicago-Mac Upwind0.9203
Chicago-Mac All Purpose0.9139
Chicago-Mac Downwind0.8966
Bayview-Mac Cove Island0.6495
Bayview-Mac Shore0.6580
Harvest Moon Regatta500.21.1995
Non Spin/HSFClub Certificate2025
HOT ICERSA-1726
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMOUNT GAY 30Measurement19/02/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.735Max. Beam3.284Draft2.236Displacement2,745Wetted area19.12IMS L8.903LSM08.430Acc. length9.696Sink (kg/mm) 14.79
VCGD-0.009VCGM-0.012RM Rated (kg·m) 84.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight540Declared crew weight650
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.381PBW0.120PIPA0.0029
EDL1.210ST10.045ST20.170
ST30.170ST40.095ST50.280
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P12.550IG11.450ISP14.180MDT10.100MDL10.175MDT20.095MDL20.100TL2.590MW0.175GO0.200
E4.380J3.857BAS1.750FSD0.025SFJ0.277SPL4.410WPLTPS4.507BD0.140MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date19/02/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
HOT ICERSA-1726
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMainsail0.170.981.682.793.6732.7625/01/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ20.120.651.192.133.033.9211.07YesNo 23.0119/02/2023