Club Certificate2025
BIANCA IITUR 456
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 Angles44.0°44.0°40.7°37.5°36.7°36.3°36.3°36.6°38.3°
Beat VMG2.713.714.434.814.985.065.115.145.05
52°4.375.706.466.726.927.047.137.237.24
60°4.746.036.676.967.167.327.437.587.62
75°5.046.306.877.297.567.757.948.268.43
90°5.056.346.977.507.918.268.549.049.52
110°4.656.026.857.528.118.719.3510.4311.67
120°4.335.786.777.488.228.979.6411.2112.99
135°3.715.196.347.057.758.609.6312.5914.60
150°3.054.365.506.397.027.618.3110.9514.32
Run VMG2.653.784.775.546.106.597.209.4912.40
Gybe Angles142.9°142.9°146.7°151.4°152.8°150.3°146.5°142.3°146.4°
APH ToD:544.0CDL: 8.279APH ToT: 1.1030CertNo:
BOAT
ClassREFLEX 28DesignerSTIMSON YACHTBuilderHARLEYAge date01/1997Series date01/1997Offset filereflex28.offData fileTUR456
HULL
Length Overall8.460 mMaximum Beam2.878 mDraft1.813 mDisplacement1,454 kgDLR3.3204IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.4025.11Headsail Luffed19.6019.60Headsail Flying45.9845.98SymmetricAsymmetric66.1966.19 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail6.96Storm Jib5.07Heavy Weather Jib13.68
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
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
BIANCA IITUR 456
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 VMG1326.6971.0812.6749.1723.1711.0704.2700.8712.8
52°824.3631.4557.3535.4520.1511.1504.9497.7497.2
60°759.1596.9540.1517.5502.6492.0484.5474.8472.2
75°714.2571.3524.1493.6476.0464.6453.6436.1426.9
90°712.9567.6516.7480.3455.2435.8421.5398.3378.3
110°774.3598.2525.8478.6443.7413.4385.2345.0308.4
120°831.3623.2531.9481.1437.9401.2373.4321.1277.1
135°970.4694.2567.6510.9464.7418.7373.9285.9246.6
150°1178.6825.3654.2563.3512.7473.2433.0328.7251.4
Run VMG1360.7953.0755.4649.5590.0546.3500.0379.5290.3
Selected Courses
Windward / Leeward1342.8962.0784.0699.3656.6628.6602.1540.1501.6
All purpose991.1734.8620.6565.2532.5508.1486.2442.7415.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward676.30.8872
All purpose544.01.1030
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7819
Downwind "popa"0.9603
70% up, 30% down "Ilhabela"0.8280
30% up, 70% down "Ilhabela-inverso"0.8988
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Predominantly Upwind593.21.0114
Predominantly Downwind548.21.0944
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low677.70.8854
Triple Number AP Medium544.71.1016
Triple Number AP High475.41.2621
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Single Number Predominant Upwind611.20.9816
Single Number Predominant Reaching528.81.1346
Single Number Predominant Downwind565.11.0618
Predominant Upwind - Low800.90.7492
Predominant Upwind - Low/Med638.60.9396
Predominant Upwind - Medium579.71.0350
Predominant Upwind - Med/High542.31.1065
Predominant Upwind - High517.71.1589
Predominant Downwind Low813.50.7375
Predominant Downwind Low/Med619.10.9692
Predominant Downwind Medium534.71.1220
Predominant Downwind Med/High461.21.3008
Predominant Downwind High394.21.5219
Predominant Reaching Low710.60.8444
Predominant Reaching Low/Med566.91.0584
Predominant Reaching Medium505.11.1878
Predominant Reaching Med/High452.71.3255
Predominant Reaching High410.81.4604
SA/DSPL Upwind34.25SA/DSPL Downwind70.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low1012.90.5924
5-Band Windward/Leeward Low/Med761.50.7879
5-Band Windward/Leeward Medium665.00.9022
5-Band Windward/Leeward Med/High600.70.9989
5-Band Windward/Leeward High544.21.1025
Windward/Leeward 60-40 Low1014.40.5915
Windward/Leeward 60-40 Low/Med769.30.7800
Windward/Leeward 60-40 Medium678.30.8846
Windward/Leeward 60-40 Med/High621.80.9649
Windward/Leeward 60-40 High576.01.0416
5-Band AP Low737.60.8135
5-Band AP Low/Med604.90.9919
5-Band AP Medium537.31.1167
5-Band AP Med/High486.51.2334
5-Band AP High445.61.3466
5-Band SF Bay Tour - Low874.70.6860
5-Band SF Bay Tour - Low/Med728.10.8241
5-Band SF Bay Tour - Medium639.40.9384
5-Band SF Bay Tour - Med/High579.61.0351
5-Band SF Bay Tour - High530.21.1317
Chicago-Mac Upwind0.9546
Chicago-Mac All Purpose0.9904
Chicago-Mac Downwind1.0187
Bayview-Mac Cove Island0.7405
Bayview-Mac Shore0.7471
Harvest Moon Regatta457.61.3112
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance591.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating591.91.0136
FinRating, kevyt tuuli990.81.0093
FinRating, kova tuuli446.01.1211
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0136
Triple Number Coastal/Long Distance Low0.8854
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2621
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.8896
Triple Number Windward/Leeward High1.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
For information
General Purpose Handicap (GPH)606.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low677.7
Triple Number Coastal/Long Distance Medium544.6
Triple Number Coastal/Long Distance High475.4
Triple Number Windward/Leeward Low873.0
Triple Number Windward/Leeward Medium674.5
Triple Number Windward/Leeward High585.5
Predominantly Upwind593.2
Predominantly Downwind548.2
Predominantly Reaching523.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8854
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2621
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.8896
Triple Number Windward/Leeward High1.0247
Coastal/Long Distance1.0136
Predominantly Upwind1.0114
Predominantly Downwind1.0944
For information
General Purpose Handicap (GPH)606.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1030
Distanseseilas Trippeltall svak vind0.8854
Distanseseilas Trippeltall mellomvind1.1017
Distanseseilas Trippeltall sterk vind1.2621
Pølsebane Trippeltall svak vind0.6873
Pølsebane Trippeltall mellomvind0.8896
Pølsebane Trippeltall sterk vind1.0247
Motvind Singeltall1.0114
Medvind Singeltall1.0944
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Coastal/Long Distance591.91.0136
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind593.21.0114
Predominantly Downwind548.21.0944
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore513.11.1693
Cape Doctor Coastal423.81.4158
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8854
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2621
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.8896
Triple Number Windward/Leeward High1.0247
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8854
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2621
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.8896
Triple Number Windward/Leeward High1.0247
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Predominantly Upwind593.21.0114
Predominantly Downwind548.21.0944
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.91.0136
Triple Number Coastal/Long Distance Low677.70.8854
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High475.41.2621
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8961.1739.3633.0568.9527.8490.6419.5388.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low677.70.8854
Triple Number AP Medium544.71.1016
Triple Number AP High475.41.2621
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium674.50.8896
Triple Number Windward/Leeward High585.51.0247
Single Number Predominant Upwind611.20.9816
Single Number Predominant Reaching528.81.1346
Single Number Predominant Downwind565.11.0618
Predominant Upwind - Low800.90.7492
Predominant Upwind - Low/Med638.60.9396
Predominant Upwind - Medium579.71.0350
Predominant Upwind - Med/High542.31.1065
Predominant Upwind - High517.71.1589
Predominant Downwind Low813.50.7375
Predominant Downwind Low/Med619.10.9692
Predominant Downwind Medium534.71.1220
Predominant Downwind Med/High461.21.3008
Predominant Downwind High394.21.5219
Predominant Reaching Low710.60.8444
Predominant Reaching Low/Med566.91.0584
Predominant Reaching Medium505.11.1878
Predominant Reaching Med/High452.71.3255
Predominant Reaching High410.81.4604
SA/DSPL Upwind34.25SA/DSPL Downwind70.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low1012.90.5924
5-Band Windward/Leeward Low/Med761.50.7879
5-Band Windward/Leeward Medium665.00.9022
5-Band Windward/Leeward Med/High600.70.9989
5-Band Windward/Leeward High544.21.1025
Windward/Leeward 60-40 Low1014.40.5915
Windward/Leeward 60-40 Low/Med769.30.7800
Windward/Leeward 60-40 Medium678.30.8846
Windward/Leeward 60-40 Med/High621.80.9649
Windward/Leeward 60-40 High576.01.0416
5-Band AP Low737.60.8135
5-Band AP Low/Med604.90.9919
5-Band AP Medium537.31.1167
5-Band AP Med/High486.51.2334
5-Band AP High445.61.3466
5-Band SF Bay Tour - Low874.70.6860
5-Band SF Bay Tour - Low/Med728.10.8241
5-Band SF Bay Tour - Medium639.40.9384
5-Band SF Bay Tour - Med/High579.61.0351
5-Band SF Bay Tour - High530.21.1317
Chicago-Mac Upwind0.9546
Chicago-Mac All Purpose0.9904
Chicago-Mac Downwind1.0187
Bayview-Mac Cove Island0.7405
Bayview-Mac Shore0.7471
Harvest Moon Regatta457.61.3112
Club Certificate2025
BIANCA IITUR 456
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassREFLEX 28Measurement10/06/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.460Max. Beam2.878Draft1.813Displacement1,454Wetted area13.02IMS L8.029LSM07.593Acc. length8.460Sink (kg/mm) 9.78
VCGD-0.328VCGM-0.321RM Rated (kg·m) 34.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight465Declared crew weight450
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P10.080IG10.066ISP11.186MDT10.095MDL10.130MDT2MDL2TLTaperMWGO
E3.943J2.973BAS1.066FSD0.032SFJ0.145SPLWPLTPS4.457BD0.152MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date06/05/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
BIANCA IITUR 456
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.180.871.602.593.4424.4025/08/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentnew0.021.162.244.326.127.2311.40NoYes045.9819/10/202300.030.841.643.224.545.8311.60NoYes035.5724/08/2022A0.100.551.042.012.923.849.92NoNo 19.6024/08/2022B0.080.420.811.672.653.679.85NoNo 17.3025/08/2021C3.179.56NoNo 15.4325/08/2021D3.169.47NoNo 15.2325/08/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA12.3611.3211.846.507.5486%66.1925/08/2021