Non Spin/HSFClub Certificate2026
Just FunRSA-1796
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 Angles46.1°43.8°41.9°40.0°38.3°37.7°37.8°37.8°39.2°
Beat VMG2.173.163.924.504.854.985.065.135.07
52°3.414.855.866.526.867.017.107.217.22
60°3.675.136.126.717.057.247.357.507.54
75°3.855.316.306.867.247.557.778.008.11
90°3.735.196.226.847.267.637.998.528.79
110°3.234.675.796.597.107.557.999.0010.05
120°2.964.365.486.356.927.357.808.7810.13
135°2.513.764.865.786.506.997.418.279.42
150°2.123.224.255.165.966.597.047.858.76
Run VMG1.842.793.704.575.376.086.667.488.30
Gybe Angles148.7°150.5°180.0°180.0°180.0°180.0°179.9°180.0°179.5°
APH ToD:607.0CDL: 8.423APH ToT: 0.9885CertNo:ZAN272
BOAT
ClassMount Gay 30DesignerAlex SimonisBuilderHarvey YachtsAge date01/1995Series date01/1995Offset fileRSA95B59.offData fileRSA1796
HULL
Length Overall9.600Maximum Beam3.282Draft1.957Displacement2,893DLR4.7681IMS DivisionCruiser/RacerDynamic Allowance0.260%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.400m
CREW
Maximum weight543(default)Minimum weight413 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0335.84Headsail Luffed18.0718.07Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail10.30Storm Jib6.99Heavy Weather Jib18.86
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 84.9 Stability Index 104.6
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  04620004AT7 Issued on 08/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
Just FunRSA-1796
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 VMG1655.81138.7917.6800.1743.0722.5711.0701.2710.7
52°1055.1742.1614.2552.4524.7513.3506.8499.2498.4
60°981.2701.5588.0536.5510.4496.9489.5480.3477.6
75°935.6678.0571.6524.6497.3476.5463.4450.0444.0
90°965.2693.2578.8525.9496.2471.6450.5422.4409.7
110°1115.3771.0622.0546.2507.1477.0450.8400.1358.1
120°1214.2826.1656.7567.1520.5489.5461.6409.8355.5
135°1436.8956.3740.6622.9553.8514.9486.1435.1382.0
150°1695.31116.9847.8697.1604.1546.0511.2458.8410.7
Run VMG1957.61289.4973.1787.7670.6591.9540.8481.6434.0
Selected Courses
Windward / Leeward1806.71214.0945.4793.9706.8657.2625.9591.4572.3
All purpose1350.0922.9734.7634.8579.4547.0524.9494.2472.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward749.70.8004
All purpose607.00.9885
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7325
Downwind "popa"0.7873
70% up, 30% down "Ilhabela"0.7481
30% up, 70% down "Ilhabela-inverso"0.7700
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Predominantly Upwind644.40.9312
Predominantly Downwind639.10.9388
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP633.30.9474 Predom. Rc High468.41.2810 5B SF Bay L/M850.20.7057 TriNum AP Low828.80.7239 Predom. Dn Low1082.00.5545 5B SF Bay Med701.00.8560 TriNum AP Med602.80.9954 Predom. Dn L/M751.40.7985 5B SF Bay M/H619.00.9693 TriNum AP High518.91.1563 Predom. Dn Med609.10.9850 5B SF Bay High584.11.0273 TriNum W/L Low1137.30.5276 Predom. Dn M/H523.01.1472 5B AP Low948.70.6324 TriNum W/L Med743.30.8072 Predom. Dn High477.71.2560 5B AP L/M704.30.8520 TriNum W/L Hig620.80.9665 ChiMac Up Low848.70.7070 5B AP Med591.61.0143 Predom. Upwind675.60.8881 ChiMac Up Med750.70.7992 5B AP M/H528.01.1363 Predom. Reaching612.50.9796 ChiMac Up High638.40.9399 5B AP High495.81.2102 Predom. Downwind676.60.8868 ChiMac Off Low901.50.6656 5B W/L Low1295.00.4633 Predom. Up Low988.70.6069 ChiMac Off Med773.00.7762 5B W/L L/M896.30.6694 Predom. Up L/M720.70.8325 ChiMac Off High623.00.9631 5B W/L Med726.10.8263 Predom. Up Med617.70.9713 ChiMac AP Low868.20.6910 5B W/L M/H632.20.9491 Predom. Up M/H566.91.0584 ChiMac AP Med756.80.7928 5B W/L High594.11.0100 Predom. Up High545.81.0992 ChiMac AP High627.40.9564 W/L 60-40 Low1278.60.4693 Predom. Rc Low913.80.6566 BayMac Cove Island1015.80.5906 W/L 60-40 L/M893.60.6714 Predom. Rc L/M662.60.9055 BayMac Shore1003.70.5978 W/L 60-40 Med733.10.8184 Predom. Rc Med561.41.0687 Harvest Moon528.91.1345 W/L 60-40 M/H648.50.9252 Predom. Rc M/H501.51.1965 5B SF Bay Low1068.80.5614 W/L 60-40 High616.20.9738      SA/DSPL Up26.06SA/DSPL Dn26.06
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance664.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating664.30.9032
FinRating, kevyt tuuli1282.30.7798
FinRating, kova tuuli497.91.0043
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9032
Triple Number Coastal/Long Distance Low0.7239
Triple Number Coastal/Long Distance Medium0.9956
Triple Number Coastal/Long Distance High1.1563
Triple Number Windward/Leeward Low0.5557
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
For information
General Purpose Handicap (GPH)691.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Saronikos S All_Purpose688.90.8710
Saronikos S Upwind758.60.7909
Saronikos S Downwind626.30.9581
Saronikos N All_Purpose688.90.8710
Saronikos N Upwind798.30.7516
Saronikos N Downwind708.30.8470
Saronikos SW All_Purpose705.80.8501
Saronikos SW Upwind788.20.7612
Saronikos SW Downwind645.80.9290
Saronikos NE All_Purpose785.80.7636
Saronikos NE Upwind751.90.7980
Saronikos NE Downwind818.30.7332
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose633.30.9474
5-Band All-Purpose Low1026.70.5844
5-Band All-Purpose L/M731.80.8199
5-Band All-Purpose Med610.90.9822
5-Band All-Purpose M/H542.71.1055
5-Band All-Purpose High509.71.1773
Single Number Predominant Upwind642.00.9345
Single Number Predominant Reaching583.71.0279
Single Number Predominant Downwind640.60.9366
5-Band 50-50 Windward/Leeward Low1295.00.4633
5-Band 50-50 Windward/Leeward L/M896.30.6694
5-Band 50-50 Windward/Leeward Med726.10.8263
5-Band 50-50 Windward/Leeward M/H632.20.9491
5-Band 50-50 Windward/Leeward High594.11.0100
5-Band 60-40 Windward/Leeward Low1278.60.4693
5-Band 60-40 Windward/Leeward L/M893.60.6714
5-Band 60-40 Windward/Leeward Med733.10.8184
5-Band 60-40 Windward/Leeward M/H648.50.9252
5-Band 60-40 Windward/Leeward High616.20.9738
Triple Number 50-50 Windward/Leeward Low1137.30.5276
Triple Number 50-50 Windward/Leeward Med743.40.8071
Triple Number 50-50 Windward/Leeward High620.80.9665
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward756.20.7935
Triple Number 60-40 Windward/Leeward Low1125.60.5330
Triple Number 60-40 Windward/Leeward Med749.10.8010
Triple Number 60-40 Windward/Leeward High638.70.9395
Triple Number All-Purpose Low908.70.6603
Triple Number All-Purpose Med623.00.9630
Triple Number All-Purpose High533.31.1251
Triple Number Predominant Upwind Low893.10.6718
Triple Number Predominant Upwind Med631.40.9503
Triple Number Predominant Upwind High564.01.0639
Triple Number Predominant Reaching Low816.70.7347
Triple Number Predominant Reaching Med580.41.0337
Triple Number Predominant Reaching High483.51.2410
Triple Number Predominant Downwind Low947.50.6333
Triple Number Predominant Downwind Med627.10.9568
Triple Number Predominant Downwind High503.41.1919
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low828.8
Triple Number Coastal/Long Distance Medium602.7
Triple Number Coastal/Long Distance High518.9
Triple Number Windward/Leeward Low1079.7
Triple Number Windward/Leeward Medium743.3
Triple Number Windward/Leeward High620.8
Predominantly Upwind644.4
Predominantly Downwind639.1
Predominantly Reaching601.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7239
Triple Number Coastal/Long Distance Medium0.9956
Triple Number Coastal/Long Distance High1.1563
Triple Number Windward/Leeward Low0.5557
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9665
Coastal/Long Distance0.9032
Predominantly Upwind0.9312
Predominantly Downwind0.9388
For information
General Purpose Handicap (GPH)691.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9885
Distanseseilas Trippeltall svak vind0.7239
Distanseseilas Trippeltall mellomvind0.9956
Distanseseilas Trippeltall sterk vind1.1563
Pølsebane Trippeltall svak vind0.5557
Pølsebane Trippeltall mellomvind0.8072
Pølsebane Trippeltall sterk vind0.9665
Motvind Singeltall0.9312
Medvind Singeltall0.9388
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Coastal/Long Distance664.30.9032
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind644.40.9312
Predominantly Downwind639.10.9388
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore578.01.0380
Cape Doctor Coastal479.11.2523
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7239
Triple Number Coastal/Long Distance Medium0.9956
Triple Number Coastal/Long Distance High1.1563
Triple Number Windward/Leeward Low0.5557
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9665
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7239
Triple Number Coastal/Long Distance Medium0.9956
Triple Number Coastal/Long Distance High1.1563
Triple Number Windward/Leeward Low0.5557
Triple Number Windward/Leeward Medium0.8072
Triple Number Windward/Leeward High0.9665
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Predominantly Upwind644.40.9312
Predominantly Downwind639.10.9388
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.30.9032
Triple Number Coastal/Long Distance Low828.80.7239
Triple Number Coastal/Long Distance Medium602.70.9956
Triple Number Coastal/Long Distance High518.91.1563
Triple Number Windward/Leeward Low1079.70.5557
Triple Number Windward/Leeward Medium743.30.8072
Triple Number Windward/Leeward High620.80.9665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1821.81221.6889.9716.2618.4568.1530.8471.2445.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP633.30.9474 Predom. Dn High477.71.2560 5B AP M/H528.01.1363 TriNum AP Low828.80.7239 Predom. Rc Low913.80.6566 5B AP High495.81.2102 TriNum AP Med602.80.9954 Predom. Rc L/M662.60.9055 5B SF Bay Low1068.80.5614 TriNum AP High518.91.1563 Predom. Rc Med561.41.0687 5B SF Bay L/M850.20.7057 TriNum W/L Low1137.30.5276 Predom. Rc M/H501.51.1965 5B SF Bay Med701.00.8560 TriNum W/L Med743.30.8072 Predom. Rc High468.41.2810 5B SF Bay M/H619.00.9693 TriNum W/L Hig620.80.9665 5B W/L Low1295.00.4633 5B SF Bay High584.11.0273 Predom. Upwind675.60.8881 5B W/L L/M896.30.6694 ChiMac Up Low848.70.7070 Predom. Reaching612.50.9796 5B W/L Med726.10.8263 ChiMac Up Med750.70.7992 Predom. Downwind676.60.8868 5B W/L M/H632.20.9491 ChiMac Up High638.40.9399 Predom. Up Low988.70.6069 5B W/L High594.11.0100 ChiMac Off Low901.50.6656 Predom. Up L/M720.70.8325 W/L 60-40 Low1278.60.4693 ChiMac Off Med773.00.7762 Predom. Up Med617.70.9713 W/L 60-40 L/M893.60.6714 ChiMac Off High623.00.9631 Predom. Up M/H566.91.0584 W/L 60-40 Med733.10.8184 ChiMac AP Low868.20.6910 Predom. Up High545.81.0992 W/L 60-40 M/H648.50.9252 ChiMac AP Med756.80.7928 Predom. Dn Low1082.00.5545 W/L 60-40 High616.20.9738 ChiMac AP High627.40.9564 Predom. Dn L/M751.40.7985 5B AP Low948.70.6324 BayMac Cove Island1015.80.5906 Predom. Dn Med609.10.9850 5B AP L/M704.30.8520 BayMac Shore1003.70.5978 Predom. Dn M/H523.01.1472 5B AP Med591.61.0143 Harvest Moon528.91.1345      SA/DSPL Up26.06SA/DSPL Dn26.06
ORC Ref  04620004AT7 Issued on 08/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
Just FunRSA-1796
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMount Gay 30Measurement04/02/2018HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.600Maximum beam3.282Draft1.957Displacement2,893Wetted area19.34IMS L8.769LSM08.465Accomod. length9.600Sink (kg/mm) 15.05
VCGD0.040VCGM0.030 RM Rated (kg·m) 84.9Limit of positive stability(°) 110.3 Stability Index 104.6 BLR index 0.0000Default crew weight543 Declared crew weight 683
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBW0.122PIPA0.0164
EDL1.120ST10.042ST20.180
ST30.180ST40.112ST50.220
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders3Rotating mastNo
P12.560IG11.700ISP11.410MDT10.095MDL10.165MDT20.095MDL20.095TL2.600MW0.165GO0.200
E4.683J3.490BAS1.631FSDFoilSFJ0.140SPL3.851WPLTPS4.512BD0.140MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date07/02/2018
SFFP0.536FFM1.114FF1.114LCFcl5.560SG1.0262
SAFP8.953FAM0.838FA0.838LCFsh5.787HBI0.998
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004AT7 Issued on 08/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
Just FunRSA-1796
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM010.170.971.773.033.9335.0308/02/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ010.080.420.791.562.423.3511.12YesNo 18.0708/02/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity42 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04620004AT7 Issued on 08/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org