Double HandedClub 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 Angles43.7°43.7°41.9°40.8°40.0°39.4°39.4°40.6°43.7°
Beat VMG1.902.613.163.533.813.963.993.923.68
52°2.973.994.715.195.495.655.735.735.61
60°3.154.204.915.365.645.815.905.945.89
75°3.244.335.075.525.795.976.126.266.29
90°3.264.445.295.755.996.116.206.506.69
110°3.364.565.405.866.166.416.636.927.11
120°3.224.415.305.816.126.406.697.287.66
135°2.783.904.855.585.966.266.577.338.35
150°2.363.404.335.125.686.016.306.927.81
Run VMG2.042.943.764.465.105.555.886.417.01
Gybe Angles148.9°148.9°152.8°155.5°162.8°170.5°177.7°178.1°171.2°
APH ToD:710.6CDL: 5.608APH ToT: 0.8444CertNo:ZAD275
BOAT
ClassFlamenca ModifiedDesignerBerckemeyerBuilderNebeAge date01/1976Series date01/1976Offset fileRSA306.offData fileRSA306
HULL
Length Overall7.471 mMaximum Beam2.522 mDraft1.329 mDisplacement1,763 kgDLR8.1869IMS DivisionPerformanceDynamic Allowance0.370%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 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.
Double HandedClub 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 VMG1891.31377.21140.21019.0944.3909.7901.8917.3977.7
52°1212.0902.7764.9694.1656.0636.6628.6627.9641.5
60°1142.9858.0733.6671.1638.3619.7609.8606.0611.3
75°1110.4832.0710.7652.3622.2602.6588.5574.7571.9
90°1105.1811.5680.8625.9601.1589.5580.6553.8538.3
110°1071.6790.3666.4614.5584.8561.4542.9520.0506.3
120°1118.0815.5679.0619.7588.1562.3537.8494.2469.7
135°1295.7922.1741.6645.3603.8574.7548.0491.4431.3
150°1524.01059.6831.5703.7633.7598.6571.6519.9460.8
Run VMG1768.61223.5957.4807.2705.2648.9612.0561.3513.7
Selected Courses
Windward / Leeward1828.11300.31048.8913.1824.8779.3756.9739.3745.7
All purpose1390.31006.3827.2735.7683.0654.4637.6616.8610.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward868.50.6909
All purpose710.60.8444
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5826
Downwind "popa"0.7615
70% up, 30% down "Ilhabela"0.6267
30% up, 70% down "Ilhabela-inverso"0.6972
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Predominantly Upwind777.70.7715
Predominantly Downwind708.90.8464
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low916.70.6545
Triple Number AP Medium705.50.8504
Triple Number AP High634.00.9464
Triple Number Windward/Leeward Low1226.50.4892
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Single Number Predominant Upwind811.20.7396
Single Number Predominant Reaching706.60.8491
Single Number Predominant Downwind741.40.8093
Predominant Upwind - Low1122.40.5346
Predominant Upwind - Low/Med857.50.6997
Predominant Upwind - Medium751.50.7984
Predominant Upwind - Med/High702.40.8542
Predominant Upwind - High692.60.8662
Predominant Downwind Low1091.30.5498
Predominant Downwind Low/Med803.30.7470
Predominant Downwind Medium682.20.8795
Predominant Downwind Med/High613.00.9789
Predominant Downwind High573.41.0465
Predominant Reaching Low984.90.6092
Predominant Reaching Low/Med748.80.8013
Predominant Reaching Medium657.70.9123
Predominant Reaching Med/High609.40.9846
Predominant Reaching High581.01.0327
SA/DSPL Upwind16.65SA/DSPL Downwind33.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1369.90.4380
5-Band Windward/Leeward Low/Med1004.90.5971
5-Band Windward/Leeward Medium845.00.7100
5-Band Windward/Leeward Med/High763.40.7860
5-Band Windward/Leeward High743.50.8070
Windward/Leeward 60-40 Low1385.20.4332
Windward/Leeward 60-40 Low/Med1024.60.5856
Windward/Leeward 60-40 Medium868.80.6906
Windward/Leeward 60-40 Med/High792.60.7570
Windward/Leeward 60-40 High779.80.7694
5-Band AP Low1008.50.5950
5-Band AP Low/Med800.00.7500
5-Band AP Medium695.30.8630
5-Band AP Med/High640.70.9365
5-Band AP High619.40.9687
5-Band SF Bay Tour - Low1186.60.5056
5-Band SF Bay Tour - Low/Med966.20.6210
5-Band SF Bay Tour - Medium821.70.7302
5-Band SF Bay Tour - Med/High749.40.8006
5-Band SF Bay Tour - High730.70.8211
Chicago-Mac Upwind0.7160
Chicago-Mac All Purpose0.7499
Chicago-Mac Downwind0.7807
Bayview-Mac Cove Island0.5477
Bayview-Mac Shore0.5511
Harvest Moon Regatta614.60.9762
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance771.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7778
Triple Number Coastal/Long Distance Low0.6545
Triple Number Coastal/Long Distance Medium0.8505
Triple Number Coastal/Long Distance High0.9464
Triple Number Windward/Leeward Low0.5108
Triple Number Windward/Leeward Medium0.6964
Triple Number Windward/Leeward High0.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
For information
General Purpose Handicap (GPH)798.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low916.7
Triple Number Coastal/Long Distance Medium705.5
Triple Number Coastal/Long Distance High634.0
Triple Number Windward/Leeward Low1174.6
Triple Number Windward/Leeward Medium861.6
Triple Number Windward/Leeward High756.0
Predominantly Upwind777.7
Predominantly Downwind708.9
Predominantly Reaching686.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6545
Triple Number Coastal/Long Distance Medium0.8505
Triple Number Coastal/Long Distance High0.9464
Triple Number Windward/Leeward Low0.5108
Triple Number Windward/Leeward Medium0.6964
Triple Number Windward/Leeward High0.7937
Coastal/Long Distance0.7778
Predominantly Upwind0.7715
Predominantly Downwind0.8464
For information
General Purpose Handicap (GPH)798.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8444
Distanseseilas Trippeltall svak vind0.6545
Distanseseilas Trippeltall mellomvind0.8505
Distanseseilas Trippeltall sterk vind0.9464
Pølsebane Trippeltall svak vind0.5108
Pølsebane Trippeltall mellomvind0.6964
Pølsebane Trippeltall sterk vind0.7937
Motvind Singeltall0.7715
Medvind Singeltall0.8464
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Coastal/Long Distance771.40.7778
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind777.70.7715
Predominantly Downwind708.90.8464
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore743.80.8067
Cape Doctor Coastal612.70.9793
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6545
Triple Number Coastal/Long Distance Medium0.8505
Triple Number Coastal/Long Distance High0.9464
Triple Number Windward/Leeward Low0.5108
Triple Number Windward/Leeward Medium0.6964
Triple Number Windward/Leeward High0.7937
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6545
Triple Number Coastal/Long Distance Medium0.8505
Triple Number Coastal/Long Distance High0.9464
Triple Number Windward/Leeward Low0.5108
Triple Number Windward/Leeward Medium0.6964
Triple Number Windward/Leeward High0.7937
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Predominantly Upwind777.70.7715
Predominantly Downwind708.90.8464
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance771.40.7778
Triple Number Coastal/Long Distance Low916.70.6545
Triple Number Coastal/Long Distance Medium705.50.8505
Triple Number Coastal/Long Distance High634.00.9464
Triple Number Windward/Leeward Low1174.60.5108
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1926.11292.7985.3825.0728.2678.9643.9585.6573.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low916.70.6545
Triple Number AP Medium705.50.8504
Triple Number AP High634.00.9464
Triple Number Windward/Leeward Low1226.50.4892
Triple Number Windward/Leeward Medium861.60.6964
Triple Number Windward/Leeward High756.00.7937
Single Number Predominant Upwind811.20.7396
Single Number Predominant Reaching706.60.8491
Single Number Predominant Downwind741.40.8093
Predominant Upwind - Low1122.40.5346
Predominant Upwind - Low/Med857.50.6997
Predominant Upwind - Medium751.50.7984
Predominant Upwind - Med/High702.40.8542
Predominant Upwind - High692.60.8662
Predominant Downwind Low1091.30.5498
Predominant Downwind Low/Med803.30.7470
Predominant Downwind Medium682.20.8795
Predominant Downwind Med/High613.00.9789
Predominant Downwind High573.41.0465
Predominant Reaching Low984.90.6092
Predominant Reaching Low/Med748.80.8013
Predominant Reaching Medium657.70.9123
Predominant Reaching Med/High609.40.9846
Predominant Reaching High581.01.0327
SA/DSPL Upwind16.65SA/DSPL Downwind33.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1369.90.4380
5-Band Windward/Leeward Low/Med1004.90.5971
5-Band Windward/Leeward Medium845.00.7100
5-Band Windward/Leeward Med/High763.40.7860
5-Band Windward/Leeward High743.50.8070
Windward/Leeward 60-40 Low1385.20.4332
Windward/Leeward 60-40 Low/Med1024.60.5856
Windward/Leeward 60-40 Medium868.80.6906
Windward/Leeward 60-40 Med/High792.60.7570
Windward/Leeward 60-40 High779.80.7694
5-Band AP Low1008.50.5950
5-Band AP Low/Med800.00.7500
5-Band AP Medium695.30.8630
5-Band AP Med/High640.70.9365
5-Band AP High619.40.9687
5-Band SF Bay Tour - Low1186.60.5056
5-Band SF Bay Tour - Low/Med966.20.6210
5-Band SF Bay Tour - Medium821.70.7302
5-Band SF Bay Tour - Med/High749.40.8006
5-Band SF Bay Tour - High730.70.8211
Chicago-Mac Upwind0.7160
Chicago-Mac All Purpose0.7499
Chicago-Mac Downwind0.7807
Bayview-Mac Cove Island0.5477
Bayview-Mac Shore0.5511
Harvest Moon Regatta614.60.9762
Double HandedClub 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 area11.70IMS L6.214LSM05.993Acc. length7.471Sink (kg/mm) 9.08
VCGD-0.006VCGM0.111RM Rated (kg·m) 31.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
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
Double HandedClub 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