Club Certificate2025
NarniaRSA-306
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 Angles43.9°43.9°42.3°41.9°40.7°38.9°38.1°38.7°41.0°
Beat VMG1.872.583.123.513.824.064.214.244.10
52°2.913.944.695.225.525.725.865.945.92
60°3.094.154.895.395.675.856.006.126.13
75°3.184.275.035.525.806.006.166.416.51
90°3.214.415.315.796.066.246.356.556.84
110°3.314.515.385.866.166.446.707.177.45
120°3.184.375.275.796.106.396.697.377.99
135°2.753.864.815.555.936.226.517.228.20
150°2.343.364.295.085.655.986.256.837.60
Run VMG2.012.913.734.435.085.525.866.366.91
Gybe Angles148.9°148.9°153.0°155.5°163.1°170.5°177.7°178.1°176.3°
APH ToD:708.3CDL: 5.674APH ToT: 0.8471CertNo:ZAC275
BOAT
ClassFlamenca ModifiedDesignerBerckemeyerBuilderNebeAge date01/1976Series date01/1976Offset fileRSA306.offData fileRSA306
HULL
Length Overall7.471 mMaximum Beam2.522 mDraft1.329 mDisplacement1,763 kgDLR8.1220IMS DivisionPerformanceDynamic Allowance0.360%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight360 kg(declared)Minimum weight230 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail11.9712.18Headsail Luffed12.3712.37Headsail FlyingSymmetric36.3636.36Asymmetric
STORM SAIL AREAS (m²)
Trysail3.60Storm Jib4.02Heavy Weather Jib10.86
SAIL LIMITS
Headsails5Spinnakers4
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.
Club Certificate2025
NarniaRSA-306
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 VMG1923.41397.11152.91025.9943.1885.9854.8849.5878.5
52°1235.4913.8767.4690.2651.8629.1614.4605.9608.5
60°1164.7868.5736.4668.4635.1614.9600.5588.3587.6
75°1130.4842.6715.2652.3620.2600.4584.8561.8552.9
90°1122.0815.9678.1621.4594.0576.7567.0550.0526.3
110°1086.2797.4668.9614.6584.1559.3537.3502.3483.1
120°1131.5823.1683.2621.8589.7563.5537.9488.2450.6
135°1310.5931.5747.8648.6606.9578.5552.7498.4439.1
150°1541.61070.3838.7708.5636.7601.8575.9527.0473.9
Run VMG1789.61235.9965.6812.9708.9651.8614.8565.9521.1
Selected Courses
Windward / Leeward1854.61316.51059.3919.4826.0768.9734.8707.7699.8
All purpose1411.41017.7833.0737.7682.3647.7624.7597.6581.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward866.10.6928
All purpose708.30.8471
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5908
Downwind "popa"0.7560
70% up, 30% down "Ilhabela"0.6322
30% up, 70% down "Ilhabela-inverso"0.6975
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Predominantly Upwind773.70.7755
Predominantly Downwind710.40.8446
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low925.40.6484
Triple Number AP Medium704.70.8514
Triple Number AP High620.30.9673
Triple Number Windward/Leeward Low1240.80.4836
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Single Number Predominant Upwind806.10.7443
Single Number Predominant Reaching704.70.8515
Single Number Predominant Downwind742.80.8078
Predominant Upwind - Low1136.30.5280
Predominant Upwind - Low/Med861.50.6965
Predominant Upwind - Medium747.30.8029
Predominant Upwind - Med/High683.30.8781
Predominant Upwind - High662.80.9053
Predominant Downwind Low1102.90.5440
Predominant Downwind Low/Med807.70.7428
Predominant Downwind Medium682.60.8790
Predominant Downwind Med/High609.00.9852
Predominant Downwind High568.11.0562
Predominant Reaching Low994.80.6031
Predominant Reaching Low/Med750.60.7993
Predominant Reaching Medium654.60.9166
Predominant Reaching Med/High600.90.9986
Predominant Reaching High571.01.0507
SA/DSPL Upwind16.65SA/DSPL Downwind33.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1387.20.4325
5-Band Windward/Leeward Low/Med1013.40.5921
5-Band Windward/Leeward Medium843.90.7110
5-Band Windward/Leeward Med/High743.70.8068
5-Band Windward/Leeward High711.00.8439
Windward/Leeward 60-40 Low1403.30.4276
Windward/Leeward 60-40 Low/Med1033.40.5806
Windward/Leeward 60-40 Medium866.60.6924
Windward/Leeward 60-40 Med/High768.30.7810
Windward/Leeward 60-40 High739.90.8109
5-Band AP Low1019.80.5884
5-Band AP Low/Med804.40.7459
5-Band AP Medium693.40.8652
5-Band AP Med/High628.90.9541
5-Band AP High599.61.0007
5-Band SF Bay Tour - Low1200.90.4996
5-Band SF Bay Tour - Low/Med974.10.6159
5-Band SF Bay Tour - Medium820.30.7314
5-Band SF Bay Tour - Med/High729.70.8222
5-Band SF Bay Tour - High698.10.8595
Chicago-Mac Upwind0.7179
Chicago-Mac All Purpose0.7501
Chicago-Mac Downwind0.7782
Bayview-Mac Cove Island0.5431
Bayview-Mac Shore0.5465
Harvest Moon Regatta612.80.9791
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance770.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7788
Triple Number Coastal/Long Distance Low0.6484
Triple Number Coastal/Long Distance Medium0.8515
Triple Number Coastal/Long Distance High0.9673
Triple Number Windward/Leeward Low0.5051
Triple Number Windward/Leeward Medium0.6958
Triple Number Windward/Leeward High0.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
For information
General Purpose Handicap (GPH)798.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low925.4
Triple Number Coastal/Long Distance Medium704.6
Triple Number Coastal/Long Distance High620.3
Triple Number Windward/Leeward Low1187.9
Triple Number Windward/Leeward Medium862.3
Triple Number Windward/Leeward High733.1
Predominantly Upwind773.7
Predominantly Downwind710.4
Predominantly Reaching685.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6484
Triple Number Coastal/Long Distance Medium0.8515
Triple Number Coastal/Long Distance High0.9673
Triple Number Windward/Leeward Low0.5051
Triple Number Windward/Leeward Medium0.6958
Triple Number Windward/Leeward High0.8184
Coastal/Long Distance0.7788
Predominantly Upwind0.7755
Predominantly Downwind0.8446
For information
General Purpose Handicap (GPH)798.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8471
Distanseseilas Trippeltall svak vind0.6484
Distanseseilas Trippeltall mellomvind0.8515
Distanseseilas Trippeltall sterk vind0.9673
Pølsebane Trippeltall svak vind0.5051
Pølsebane Trippeltall mellomvind0.6958
Pølsebane Trippeltall sterk vind0.8184
Motvind Singeltall0.7755
Medvind Singeltall0.8446
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Coastal/Long Distance770.40.7788
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind773.70.7755
Predominantly Downwind710.40.8446
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore702.20.8545
Cape Doctor Coastal586.51.0230
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6484
Triple Number Coastal/Long Distance Medium0.8515
Triple Number Coastal/Long Distance High0.9673
Triple Number Windward/Leeward Low0.5051
Triple Number Windward/Leeward Medium0.6958
Triple Number Windward/Leeward High0.8184
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6484
Triple Number Coastal/Long Distance Medium0.8515
Triple Number Coastal/Long Distance High0.9673
Triple Number Windward/Leeward Low0.5051
Triple Number Windward/Leeward Medium0.6958
Triple Number Windward/Leeward High0.8184
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Predominantly Upwind773.70.7755
Predominantly Downwind710.40.8446
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance770.40.7788
Triple Number Coastal/Long Distance Low925.40.6484
Triple Number Coastal/Long Distance Medium704.60.8515
Triple Number Coastal/Long Distance High620.30.9673
Triple Number Windward/Leeward Low1187.90.5051
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1955.01308.5994.2829.1727.9671.5631.6573.4552.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low925.40.6484
Triple Number AP Medium704.70.8514
Triple Number AP High620.30.9673
Triple Number Windward/Leeward Low1240.80.4836
Triple Number Windward/Leeward Medium862.30.6958
Triple Number Windward/Leeward High733.10.8184
Single Number Predominant Upwind806.10.7443
Single Number Predominant Reaching704.70.8515
Single Number Predominant Downwind742.80.8078
Predominant Upwind - Low1136.30.5280
Predominant Upwind - Low/Med861.50.6965
Predominant Upwind - Medium747.30.8029
Predominant Upwind - Med/High683.30.8781
Predominant Upwind - High662.80.9053
Predominant Downwind Low1102.90.5440
Predominant Downwind Low/Med807.70.7428
Predominant Downwind Medium682.60.8790
Predominant Downwind Med/High609.00.9852
Predominant Downwind High568.11.0562
Predominant Reaching Low994.80.6031
Predominant Reaching Low/Med750.60.7993
Predominant Reaching Medium654.60.9166
Predominant Reaching Med/High600.90.9986
Predominant Reaching High571.01.0507
SA/DSPL Upwind16.65SA/DSPL Downwind33.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1387.20.4325
5-Band Windward/Leeward Low/Med1013.40.5921
5-Band Windward/Leeward Medium843.90.7110
5-Band Windward/Leeward Med/High743.70.8068
5-Band Windward/Leeward High711.00.8439
Windward/Leeward 60-40 Low1403.30.4276
Windward/Leeward 60-40 Low/Med1033.40.5806
Windward/Leeward 60-40 Medium866.60.6924
Windward/Leeward 60-40 Med/High768.30.7810
Windward/Leeward 60-40 High739.90.8109
5-Band AP Low1019.80.5884
5-Band AP Low/Med804.40.7459
5-Band AP Medium693.40.8652
5-Band AP Med/High628.90.9541
5-Band AP High599.61.0007
5-Band SF Bay Tour - Low1200.90.4996
5-Band SF Bay Tour - Low/Med974.10.6159
5-Band SF Bay Tour - Medium820.30.7314
5-Band SF Bay Tour - Med/High729.70.8222
5-Band SF Bay Tour - High698.10.8595
Chicago-Mac Upwind0.7179
Chicago-Mac All Purpose0.7501
Chicago-Mac Downwind0.7782
Bayview-Mac Cove Island0.5431
Bayview-Mac Shore0.5465
Harvest Moon Regatta612.80.9791
Club Certificate2025
NarniaRSA-306
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFlamenca ModifiedMeasurement13/02/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.471Max. Beam2.522Draft1.329Displacement1,763Wetted area11.71IMS L6.333LSM06.009Acc. length7.471Sink (kg/mm) 9.09
VCGD-0.007VCGM0.110RM Rated (kg·m) 31.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight333Declared crew weight360
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P7.600IG8.965ISP7.945MDT10.083MDL10.125MDT20.083MDL20.125TLNo TaperMWGO
E2.700J2.875BAS1.160FSDSFJ0.285SPL3.375WPLTPSBD0.100MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date21/02/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
NarniaRSA-306
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.130.551.001.692.2011.9712/02/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.050.330.661.362.082.828.94NoNo 12.3712/02/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment08.688.678.685.044.9936.3612/02/2025