Double HandedClub Certificate2026
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 Angles45.2°42.4°40.3°38.6°38.1°38.6°38.7°39.6°41.5°
Beat VMG2.523.574.334.694.834.914.954.944.78
52°3.935.406.356.746.886.977.027.077.00
60°4.205.676.576.957.107.207.277.337.30
75°4.415.926.717.157.427.587.697.837.86
90°4.626.196.987.307.567.898.128.418.59
110°4.466.067.017.588.028.408.749.239.59
120°4.215.886.917.558.178.729.2210.2110.84
135°3.705.296.467.177.788.469.3311.3212.76
150°3.054.435.626.597.227.818.4610.2113.21
Run VMG2.643.844.875.746.416.967.498.8511.44
Gybe Angles138.8°142.2°148.5°153.8°160.6°165.5°164.6°151.9°148.8°
APH ToD:549.5CDL: 8.346APH ToT: 1.0919CertNo:ZAD067
BOAT
ClassMOUNT GAY 30DesignerSIMONISBuilderPhil HarveyAge date10/1995Series date10/1995Offset fileMG30-RSA1726.offData fileRSA1726
HULL
Length Overall9.735Maximum Beam3.284Draft2.236Displacement2,745DLR4.5814IMS DivisionPerformanceDynamic Allowance0.140%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight170(default)Minimum weight120 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.7633.44Headsail Luffed23.0123.01Headsail FlyingSymmetric84.3684.36Asymmetric74.3774.37 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.62Storm Jib6.65Heavy Weather Jib17.94
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 84.4 Stability Index 112.3
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  04620004BV3 Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
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 VMG1428.61007.3831.4767.6744.6733.4727.2729.2753.4
52°917.1666.6566.7534.2523.0516.7512.8509.5514.2
60°856.9635.0548.0517.9506.8499.9495.4490.9492.9
75°816.5608.5536.4503.2484.9475.0467.9459.9457.9
90°779.0582.1516.1492.8476.0456.4443.5428.0419.0
110°806.4594.1513.9474.6448.8428.3411.7389.9375.4
120°855.7612.5520.6476.6440.9413.1390.3352.4332.1
135°973.2680.8557.0502.2462.9425.6385.9318.0282.2
150°1180.0812.7640.4546.6498.6461.2425.4352.4272.6
Run VMG1362.5938.4739.4627.5561.4516.9480.7406.6314.7
Selected Courses
Windward / Leeward1395.5972.8785.4697.5653.0625.2603.9567.9534.1
All purpose1049.7746.8621.0565.8535.9514.6497.1469.5451.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward676.40.8870
All purpose549.51.0919
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7580
Downwind "popa"0.9834
70% up, 30% down "Ilhabela"0.8140
30% up, 70% down "Ilhabela-inverso"0.9029
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Predominantly Upwind602.00.9966
Predominantly Downwind545.21.1006
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP569.31.0538 Predom. Rc High436.61.3744 5B SF Bay L/M728.40.8237 TriNum AP Low683.90.8773 Predom. Dn Low819.30.7323 5B SF Bay Med641.40.9355 TriNum AP Med547.71.0955 Predom. Dn L/M613.70.9776 5B SF Bay M/H589.01.0186 TriNum AP High491.11.2216 Predom. Dn Med530.81.1303 5B SF Bay High555.51.0800 TriNum W/L Low922.00.6508 Predom. Dn M/H467.51.2833 5B AP Low755.50.7941 TriNum W/L Med671.90.8930 Predom. Dn High418.31.4342 5B AP L/M607.50.9877 TriNum W/L Hig595.71.0072 ChiMac Up Low740.40.8103 5B AP Med541.11.1088 Predom. Upwind626.10.9584 ChiMac Up Med676.60.8868 5B AP M/H498.71.2032 Predom. Reaching540.21.1106 ChiMac Up High601.00.9984 5B AP High471.11.2736 Predom. Downwind567.01.0581 ChiMac Off Low710.20.8448 5B W/L Low1031.70.5816 Predom. Up Low832.70.7205 ChiMac Off Med630.10.9523 5B W/L L/M762.50.7869 Predom. Up L/M647.20.9270 ChiMac Off High531.01.1299 5B W/L Med662.60.9055 Predom. Up Med588.11.0202 ChiMac AP Low721.40.8317 5B W/L M/H605.50.9908 Predom. Up M/H556.31.0785 ChiMac AP Med650.70.9221 5B W/L High568.31.0559 Predom. Up High540.51.1101 ChiMac AP High564.61.0626 W/L 60-40 Low1039.10.5775 Predom. Rc Low727.90.8243 BayMac Cove Island829.00.7238 W/L 60-40 L/M774.40.7748 Predom. Rc L/M569.61.0533 BayMac Shore822.10.7298 W/L 60-40 Med680.50.8816 Predom. Rc Med511.81.1723 Harvest Moon473.51.2671 W/L 60-40 M/H630.40.9517 Predom. Rc M/H467.31.2839 5B SF Bay Low870.60.6892 W/L 60-40 High601.20.9980      SA/DSPL Up28.36SA/DSPL Dn59.54
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance596.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating596.21.0064
FinRating, kevyt tuuli1013.80.9864
FinRating, kova tuuli471.41.0606
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0064
Triple Number Coastal/Long Distance Low0.8773
Triple Number Coastal/Long Distance Medium1.0956
Triple Number Coastal/Long Distance High1.2216
Triple Number Windward/Leeward Low0.6825
Triple Number Windward/Leeward Medium0.8930
Triple Number Windward/Leeward High1.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
For information
General Purpose Handicap (GPH)612.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Saronikos S All Purpose617.30.9720
Saronikos S Upwind708.90.8464
Saronikos S Downwind501.31.1969
Saronikos N All Purpose617.30.9720
Saronikos N Upwind739.40.8115
Saronikos N Downwind558.61.0741
Saronikos SW All Purpose615.50.9749
Saronikos SW Upwind719.30.8341
Saronikos SW Downwind510.61.1751
Saronikos NE All Purpose673.70.8906
Saronikos NE Upwind690.40.8691
Saronikos NE Downwind624.40.9609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose569.31.0538
5-Band All Purpose Low821.10.7308
5-Band All Purpose L/M628.40.9547
5-Band All Purpose Med558.51.0743
5-Band All Purpose M/H511.71.1726
5-Band All Purpose High480.01.2499
Single Number Predominant Upwind600.40.9993
Single Number Predominant Reaching522.11.1491
Single Number Predominant Downwind546.61.0976
5-Band 50-50 Windward/Leeward Low1031.70.5816
5-Band 50-50 Windward/Leeward L/M762.50.7869
5-Band 50-50 Windward/Leeward Med662.60.9055
5-Band 50-50 Windward/Leeward M/H605.50.9908
5-Band 50-50 Windward/Leeward High568.31.0559
5-Band 60-40 Windward/Leeward Low1039.10.5775
5-Band 60-40 Windward/Leeward L/M774.40.7748
5-Band 60-40 Windward/Leeward Med680.50.8816
5-Band 60-40 Windward/Leeward M/H630.40.9517
5-Band 60-40 Windward/Leeward High601.20.9980
Triple Number 50-50 Windward/Leeward Low922.00.6508
Triple Number 50-50 Windward/Leeward Med672.00.8929
Triple Number 50-50 Windward/Leeward High595.71.0072
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward694.40.8641
Triple Number 60-40 Windward/Leeward Low930.40.6449
Triple Number 60-40 Windward/Leeward Med689.00.8709
Triple Number 60-40 Windward/Leeward High622.50.9639
Triple Number All-Purpose Low741.20.8095
Triple Number All-Purpose Med565.51.0610
Triple Number All-Purpose High503.11.1927
Triple Number Predominant Upwind Low760.80.7886
Triple Number Predominant Upwind Med595.41.0077
Triple Number Predominant Upwind High560.71.0700
Triple Number Predominant Reaching Low666.60.9001
Triple Number Predominant Reaching Med527.51.1375
Triple Number Predominant Reaching High449.71.3343
Triple Number Predominant Downwind Low734.90.8165
Triple Number Predominant Downwind Med539.21.1127
Triple Number Predominant Downwind High441.41.3593
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low683.9
Triple Number Coastal/Long Distance Medium547.6
Triple Number Coastal/Long Distance High491.2
Triple Number Windward/Leeward Low879.1
Triple Number Windward/Leeward Medium671.9
Triple Number Windward/Leeward High595.7
Predominantly Upwind602.0
Predominantly Downwind545.2
Predominantly Reaching526.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8773
Triple Number Coastal/Long Distance Medium1.0956
Triple Number Coastal/Long Distance High1.2216
Triple Number Windward/Leeward Low0.6825
Triple Number Windward/Leeward Medium0.8930
Triple Number Windward/Leeward High1.0072
Coastal/Long Distance1.0064
Predominantly Upwind0.9966
Predominantly Downwind1.1006
For information
General Purpose Handicap (GPH)612.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0919
Distanseseilas Trippeltall svak vind0.8773
Distanseseilas Trippeltall mellomvind1.0956
Distanseseilas Trippeltall sterk vind1.2216
Pølsebane Trippeltall svak vind0.6825
Pølsebane Trippeltall mellomvind0.8930
Pølsebane Trippeltall sterk vind1.0072
Motvind Singeltall0.9966
Medvind Singeltall1.1006
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Coastal/Long Distance596.21.0064
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind602.00.9966
Predominantly Downwind545.21.1006
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore544.21.1025
Cape Doctor Coastal456.61.3141
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8773
Triple Number Coastal/Long Distance Medium1.0956
Triple Number Coastal/Long Distance High1.2216
Triple Number Windward/Leeward Low0.6825
Triple Number Windward/Leeward Medium0.8930
Triple Number Windward/Leeward High1.0072
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8773
Triple Number Coastal/Long Distance Medium1.0956
Triple Number Coastal/Long Distance High1.2216
Triple Number Windward/Leeward Low0.6825
Triple Number Windward/Leeward Medium0.8930
Triple Number Windward/Leeward High1.0072
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Predominantly Upwind602.00.9966
Predominantly Downwind545.21.1006
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low683.90.8773
Triple Number Coastal/Long Distance Medium547.61.0956
Triple Number Coastal/Long Distance High491.21.2216
Triple Number Windward/Leeward Low879.10.6825
Triple Number Windward/Leeward Medium671.90.8930
Triple Number Windward/Leeward High595.71.0072
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1392.2969.4739.6632.3572.1534.0501.0445.3424.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP569.31.0538 Predom. Dn High418.31.4342 5B AP M/H498.71.2032 TriNum AP Low683.90.8773 Predom. Rc Low727.90.8243 5B AP High471.11.2736 TriNum AP Med547.71.0955 Predom. Rc L/M569.61.0533 5B SF Bay Low870.60.6892 TriNum AP High491.11.2216 Predom. Rc Med511.81.1723 5B SF Bay L/M728.40.8237 TriNum W/L Low922.00.6508 Predom. Rc M/H467.31.2839 5B SF Bay Med641.40.9355 TriNum W/L Med671.90.8930 Predom. Rc High436.61.3744 5B SF Bay M/H589.01.0186 TriNum W/L Hig595.71.0072 5B W/L Low1031.70.5816 5B SF Bay High555.51.0800 Predom. Upwind626.10.9584 5B W/L L/M762.50.7869 ChiMac Up Low740.40.8103 Predom. Reaching540.21.1106 5B W/L Med662.60.9055 ChiMac Up Med676.60.8868 Predom. Downwind567.01.0581 5B W/L M/H605.50.9908 ChiMac Up High601.00.9984 Predom. Up Low832.70.7205 5B W/L High568.31.0559 ChiMac Off Low710.20.8448 Predom. Up L/M647.20.9270 W/L 60-40 Low1039.10.5775 ChiMac Off Med630.10.9523 Predom. Up Med588.11.0202 W/L 60-40 L/M774.40.7748 ChiMac Off High531.01.1299 Predom. Up M/H556.31.0785 W/L 60-40 Med680.50.8816 ChiMac AP Low721.40.8317 Predom. Up High540.51.1101 W/L 60-40 M/H630.40.9517 ChiMac AP Med650.70.9221 Predom. Dn Low819.30.7323 W/L 60-40 High601.20.9980 ChiMac AP High564.61.0626 Predom. Dn L/M613.70.9776 5B AP Low755.50.7941 BayMac Cove Island829.00.7238 Predom. Dn Med530.81.1303 5B AP L/M607.50.9877 BayMac Shore822.10.7298 Predom. Dn M/H467.51.2833 5B AP Med541.11.1088 Harvest Moon473.51.2671      SA/DSPL Up28.36SA/DSPL Dn59.54
ORC Ref  04620004BV3 Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
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
Length overall9.735Maximum beam3.284Draft2.236Displacement2,745Wetted area19.12IMS L8.649LSM08.430Accomod. length9.696Sink (kg/mm) 14.79
VCGD-0.011VCGM-0.014 RM Rated (kg·m) 84.4Limit of positive stability(°) 118.1 Stability Index 112.3 BLR index 0.0000Default crew weight170 Declared crew weight 650
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.381PBW0.120PIPA0.0029
EDL1.210ST10.045ST20.170
ST30.170ST40.095ST50.280
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.550IG11.450ISP14.180MDT10.100MDL10.175MDT20.095MDL20.100TL2.590MW0.175GO0.200
E4.380J3.857BAS1.750FSD0.025SFJ0.277SPL4.410WPLTPS4.507BD0.140MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date19/02/2023
SFFP0.536FFM1.120FF1.120LCFcl5.527SG1.0260
SAFP8.953FAM0.844FA0.844LCFsh5.830HBI0.989
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004BV3 Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS214.1014.1014.107.246.9484.3619/02/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA314.7613.1313.956.276.9291%74.3719/02/2023014.0413.3313.694.906.3977%59.2801/11/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04620004BV3 Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org