Non Spin/HSFClub Certificate2026
AstraRSA-4763
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 Angles45.9°43.5°41.0°39.8°39.8°40.1°40.3°41.0°42.4°
Beat VMG1.832.683.263.613.753.803.833.853.77
52°2.874.094.855.295.495.585.635.685.66
60°3.074.305.075.505.715.805.865.935.93
75°3.204.435.255.705.946.076.166.266.31
90°3.094.335.205.746.046.246.386.576.69
110°2.733.984.925.616.026.316.567.017.32
120°2.533.734.685.425.896.216.497.037.55
135°2.163.264.214.985.585.986.276.827.45
150°1.862.833.724.505.175.686.036.587.14
Run VMG1.612.463.264.004.675.255.716.316.84
Gybe Angles151.1°153.2°160.0°171.2°172.6°173.9°179.7°177.3°176.8°
APH ToD:734.7CDL: 5.776APH ToT: 0.8166CertNo:ZAN011
BOAT
ClassTumlarenDesignerKnud H. ReimersBuilderUnknownAge date01/1934Series date01/1934Offset fileastra.offData fileRSA4763
HULL
Length Overall8.281 mMaximum Beam1.878 mDraft1.280 mDisplacement1,814 kgDLR6.2142IMS DivisionSportboatDynamic Allowance0.410%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight250 kg(declared)Minimum weight130 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail15.3715.68Headsail Luffed9.509.50Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail4.63Storm Jib2.44Heavy Weather Jib6.59
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 13.5 kg·m Stability Index 135.4
COMMENTS
079 045 1318
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  04620004LVS Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AstraRSA-4763
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 VMG1964.81343.01102.9997.5960.7946.4939.0934.8954.1
52°1254.7880.4743.0680.9656.2645.1639.2633.5636.3
60°1171.0836.6710.6654.7630.9620.4614.5607.6606.9
75°1126.2812.5685.2631.6606.3592.8584.9575.0570.5
90°1166.6831.7691.7627.4596.5577.2564.0547.7537.8
110°1316.4905.1731.4641.9598.0571.0548.6513.9492.1
120°1424.5963.9768.5664.1610.9579.9554.8512.4476.7
135°1664.21102.8856.0723.0645.0602.4574.5527.6483.2
150°1936.31272.1966.6799.7696.7633.6596.8547.4504.0
Run VMG2233.61464.81103.8899.6771.4685.3630.2570.5526.4
Selected Courses
Windward / Leeward2099.21403.91103.4948.6866.1815.9784.6752.6740.2
All purpose1583.81078.1864.9758.6704.2673.1653.3628.1614.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward909.30.6598
All purpose734.70.8166
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5814
Downwind "popa"0.6856
70% up, 30% down "Ilhabela"0.6092
30% up, 70% down "Ilhabela-inverso"0.6506
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Predominantly Upwind791.90.7577
Predominantly Downwind753.70.7960
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP768.20.7811 Predom. Rc High591.61.0141 5B SF Bay L/M1008.30.5951 TriNum AP Low971.50.6176 Predom. Dn Low1253.50.4786 5B SF Bay Med857.10.7000 TriNum AP Med728.00.8241 Predom. Dn L/M876.20.6847 5B SF Bay M/H777.70.7715 TriNum AP High648.80.9247 Predom. Dn Med721.00.8322 5B SF Bay High746.80.8034 TriNum W/L Low1322.70.4536 Predom. Dn M/H632.20.9491 5B AP Low1111.10.5400 TriNum W/L Med900.80.6661 Predom. Dn High590.21.0166 5B AP L/M835.10.7185 TriNum W/L Hig780.40.7688 ChiMac Up Low1014.40.5915 5B AP Med717.10.8367 Predom. Upwind829.80.7231 ChiMac Up Med910.30.6591 5B AP M/H656.70.9137 Predom. Reaching737.00.8141 ChiMac Up High790.20.7593 5B AP High630.10.9522 Predom. Downwind799.50.7504 ChiMac Off Low1048.80.5721 5B W/L Low1502.60.3993 Predom. Up Low1167.10.5141 ChiMac Off Med905.80.6624 5B W/L L/M1058.00.5671 Predom. Up L/M867.10.6920 ChiMac Off High739.70.8111 5B W/L Med884.30.6785 Predom. Up Med764.60.7848 ChiMac AP Low1024.20.5858 5B W/L M/H791.30.7582 Predom. Up M/H718.80.8347 ChiMac AP Med902.50.6648 5B W/L High756.00.7936 Predom. Up High702.60.8540 ChiMac AP High761.30.7881 W/L 60-40 Low1489.70.4028 Predom. Rc Low1074.90.5582 BayMac Cove Island1197.10.5012 W/L 60-40 L/M1062.40.5647 Predom. Rc L/M785.10.7642 BayMac Shore1184.20.5067 W/L 60-40 Med902.30.6650 Predom. Rc Med675.90.8877 Harvest Moon635.80.9436 W/L 60-40 M/H821.30.7305 Predom. Rc M/H618.70.9698 5B SF Bay Low1244.50.4821 W/L 60-40 High792.60.7570      SA/DSPL Up16.70SA/DSPL Dn16.70
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance801.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating801.80.7483
FinRating, kevyt tuuli1490.80.6708
FinRating, kova tuuli633.00.7899
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7483
Triple Number Coastal/Long Distance Low0.6176
Triple Number Coastal/Long Distance Medium0.8242
Triple Number Coastal/Long Distance High0.9247
Triple Number Windward/Leeward Low0.4786
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
For information
General Purpose Handicap (GPH)830.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Saronikos S All Purpose833.90.7195
Saronikos S Upwind930.10.6451
Saronikos S Downwind733.90.8176
Saronikos N All Purpose894.70.6706
Saronikos N Upwind977.10.6140
Saronikos N Downwind823.90.7282
Saronikos SW All Purpose846.10.7091
Saronikos SW Upwind952.70.6298
Saronikos SW Downwind758.30.7913
Saronikos NE All Purpose944.80.6351
Saronikos NE Upwind918.90.6530
Saronikos NE Downwind954.00.6289
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose768.20.7811
5-Band All Purpose Low1201.30.4994
5-Band All Purpose L/M866.90.6921
5-Band All Purpose Med739.80.8111
5-Band All Purpose M/H673.30.8911
5-Band All Purpose High644.80.9306
Single Number Predominant Upwind789.10.7603
Single Number Predominant Reaching701.00.8559
Single Number Predominant Downwind755.80.7938
5-Band 50-50 Windward/Leeward Low1502.60.3993
5-Band 50-50 Windward/Leeward L/M1058.00.5671
5-Band 50-50 Windward/Leeward Med884.30.6785
5-Band 50-50 Windward/Leeward M/H791.30.7582
5-Band 50-50 Windward/Leeward High756.00.7936
5-Band 60-40 Windward/Leeward Low1489.70.4028
5-Band 60-40 Windward/Leeward L/M1062.40.5647
5-Band 60-40 Windward/Leeward Med902.30.6650
5-Band 60-40 Windward/Leeward M/H821.30.7305
5-Band 60-40 Windward/Leeward High792.60.7570
Triple Number 50-50 Windward/Leeward Low1322.70.4536
Triple Number 50-50 Windward/Leeward Med900.90.6660
Triple Number 50-50 Windward/Leeward High780.40.7688
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward926.50.6476
Triple Number 60-40 Windward/Leeward Low1315.50.4561
Triple Number 60-40 Windward/Leeward Med917.00.6543
Triple Number 60-40 Windward/Leeward High812.20.7387
Triple Number All-Purpose Low1065.10.5633
Triple Number All-Purpose Med751.80.7981
Triple Number All-Purpose High664.90.9024
Triple Number Predominant Upwind Low1057.60.5673
Triple Number Predominant Upwind Med777.20.7720
Triple Number Predominant Upwind High721.30.8318
Triple Number Predominant Reaching Low961.30.6242
Triple Number Predominant Reaching Med698.20.8594
Triple Number Predominant Reaching High599.31.0011
Triple Number Predominant Downwind Low1099.40.5458
Triple Number Predominant Downwind Med737.70.8134
Triple Number Predominant Downwind High606.90.9886
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low971.5
Triple Number Coastal/Long Distance Medium728.0
Triple Number Coastal/Long Distance High648.9
Triple Number Windward/Leeward Low1253.7
Triple Number Windward/Leeward Medium900.8
Triple Number Windward/Leeward High780.4
Predominantly Upwind791.9
Predominantly Downwind753.7
Predominantly Reaching716.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6176
Triple Number Coastal/Long Distance Medium0.8242
Triple Number Coastal/Long Distance High0.9247
Triple Number Windward/Leeward Low0.4786
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7688
Coastal/Long Distance0.7483
Predominantly Upwind0.7577
Predominantly Downwind0.7960
For information
General Purpose Handicap (GPH)830.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8166
Distanseseilas Trippeltall svak vind0.6176
Distanseseilas Trippeltall mellomvind0.8242
Distanseseilas Trippeltall sterk vind0.9247
Pølsebane Trippeltall svak vind0.4786
Pølsebane Trippeltall mellomvind0.6661
Pølsebane Trippeltall sterk vind0.7688
Motvind Singeltall0.7577
Medvind Singeltall0.7960
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Coastal/Long Distance801.80.7483
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind791.90.7577
Predominantly Downwind753.70.7960
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore743.90.8065
Cape Doctor Coastal618.40.9702
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6176
Triple Number Coastal/Long Distance Medium0.8242
Triple Number Coastal/Long Distance High0.9247
Triple Number Windward/Leeward Low0.4786
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7688
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6176
Triple Number Coastal/Long Distance Medium0.8242
Triple Number Coastal/Long Distance High0.9247
Triple Number Windward/Leeward Low0.4786
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7688
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Predominantly Upwind791.90.7577
Predominantly Downwind753.70.7960
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance801.80.7483
Triple Number Coastal/Long Distance Low971.50.6176
Triple Number Coastal/Long Distance Medium728.00.8242
Triple Number Coastal/Long Distance High648.90.9247
Triple Number Windward/Leeward Low1253.70.4786
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High780.40.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2112.61410.01039.6855.4754.4699.5658.8594.8576.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP768.20.7811 Predom. Dn High590.21.0166 5B AP M/H656.70.9137 TriNum AP Low971.50.6176 Predom. Rc Low1074.90.5582 5B AP High630.10.9522 TriNum AP Med728.00.8241 Predom. Rc L/M785.10.7642 5B SF Bay Low1244.50.4821 TriNum AP High648.80.9247 Predom. Rc Med675.90.8877 5B SF Bay L/M1008.30.5951 TriNum W/L Low1322.70.4536 Predom. Rc M/H618.70.9698 5B SF Bay Med857.10.7000 TriNum W/L Med900.80.6661 Predom. Rc High591.61.0141 5B SF Bay M/H777.70.7715 TriNum W/L Hig780.40.7688 5B W/L Low1502.60.3993 5B SF Bay High746.80.8034 Predom. Upwind829.80.7231 5B W/L L/M1058.00.5671 ChiMac Up Low1014.40.5915 Predom. Reaching737.00.8141 5B W/L Med884.30.6785 ChiMac Up Med910.30.6591 Predom. Downwind799.50.7504 5B W/L M/H791.30.7582 ChiMac Up High790.20.7593 Predom. Up Low1167.10.5141 5B W/L High756.00.7936 ChiMac Off Low1048.80.5721 Predom. Up L/M867.10.6920 W/L 60-40 Low1489.70.4028 ChiMac Off Med905.80.6624 Predom. Up Med764.60.7848 W/L 60-40 L/M1062.40.5647 ChiMac Off High739.70.8111 Predom. Up M/H718.80.8347 W/L 60-40 Med902.30.6650 ChiMac AP Low1024.20.5858 Predom. Up High702.60.8540 W/L 60-40 M/H821.30.7305 ChiMac AP Med902.50.6648 Predom. Dn Low1253.50.4786 W/L 60-40 High792.60.7570 ChiMac AP High761.30.7881 Predom. Dn L/M876.20.6847 5B AP Low1111.10.5400 BayMac Cove Island1197.10.5012 Predom. Dn Med721.00.8322 5B AP L/M835.10.7185 BayMac Shore1184.20.5067 Predom. Dn M/H632.20.9491 5B AP Med717.10.8367 Harvest Moon635.80.9436      SA/DSPL Up16.70SA/DSPL Dn16.70
ORC Ref  04620004LVS Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AstraRSA-4763
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassTumlarenMeasurement11/09/2022HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.281Maximum beam1.878Draft1.280Displacement1,814Wetted area13.33IMS L6.720LSM06.633Accomod. length6.104Sink (kg/mm) 7.08
VCGD-0.215VCGM-0.206 RM Rated (kg·m) 13.5Limit of positive stability(°) 132.7 Stability Index 135.4 BLR index 0.0000Default crew weight383 Declared crew weight 250
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P8.610IG6.985ISP7.302MDT10.084MDL10.115MDT2MDL2TLTaperMWGO
E3.070J1.890BAS0.855FSDNo FoilSFJ1.745SPL2.035WPLTPSBD0.101MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date15/09/2022
SFFP0.500FFM0.780FF0.780LCFcl4.589SG1.0253
SAFP8.424FAM0.655FA0.655LCFsh4.687HBI0.600
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004LVS Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AstraRSA-4763
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.160.621.101.882.5515.3711/09/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.050.370.711.402.142.836.69NoNo 9.5011/09/2022
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04620004LVS Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org