Club Certificate2025
LA BLANC - XSITA-189M20
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 Angles42.6°42.6°41.0°38.5°37.1°36.8°36.8°37.5°39.3°
Beat VMG2.162.983.644.114.334.414.454.444.35
52°3.324.515.365.806.066.186.276.366.35
60°3.524.735.545.956.286.466.586.726.74
75°3.664.865.646.106.546.907.117.417.54
90°3.915.155.936.336.637.087.568.188.56
110°3.995.266.126.837.417.848.269.059.80
120°3.825.106.026.787.588.338.8810.0011.35
135°3.314.595.596.337.097.978.9511.8913.53
150°2.733.904.915.686.326.967.7110.5713.76
Run VMG2.363.384.254.925.486.036.689.1511.92
Gybe Angles144.9°144.9°148.3°150.3°149.8°147.6°145.8°141.3°146.4°
APH ToD:620.9CDL: 6.303APH ToT: 0.9664CertNo:25/2
BOAT
ClassMelges 20DesignerReichel/PughBuilderMelges PerformanceAge date05/2010Series date02/2010Offset fileMELG20.od.offData fileI189M20
HULL
Length Overall6.135 mMaximum Beam2.130 mDraft1.405 mDisplacement616 kgDLR3.0607IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight295 kg(declared)Minimum weight165 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail14.1014.57Headsail Luffed9.089.08Headsail FlyingSymmetricAsymmetric40.1340.13 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail3.88Storm Jib2.44Heavy Weather Jib6.57
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
peso Angeli 09.06.2025 - ballast 3 x 18 kg -
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
LA BLANC - XSITA-189M20
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 VMG1667.31207.5990.3875.9831.2816.3809.3810.0827.1
52°1085.7798.7672.2620.8594.0582.2574.0566.1567.4
60°1021.5761.3650.2605.1573.2557.5547.2535.4533.9
75°983.1741.1638.8590.1550.6521.9506.3485.7477.6
90°920.8698.5606.8568.4542.8508.5476.2440.1420.4
110°902.4684.1587.9526.7486.1459.2436.1397.8367.2
120°942.7705.2598.0530.6475.2432.3405.3360.1317.3
135°1087.2784.9643.8568.3507.7451.7402.3302.9266.1
150°1319.3923.8733.6634.1569.4517.4466.7340.7261.6
Run VMG1523.21066.7847.1732.0657.5597.4538.9393.4302.1
Selected Courses
Windward / Leeward1594.41137.1918.7804.0744.4706.8674.1601.7564.6
All purpose1205.3878.2726.9649.4603.4571.0544.4494.8469.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward771.70.7775
All purpose620.90.9664
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6624
Downwind "popa"0.8690
70% up, 30% down "Ilhabela"0.7133
30% up, 70% down "Ilhabela-inverso"0.7947
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Predominantly Upwind687.20.8730
Predominantly Downwind619.50.9685
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low802.50.7476
Triple Number AP Medium621.00.9662
Triple Number AP High532.51.1269
Triple Number Windward/Leeward Low1073.20.5591
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Single Number Predominant Upwind712.40.8422
Single Number Predominant Reaching609.70.9841
Single Number Predominant Downwind639.00.9389
Predominant Upwind - Low981.50.6113
Predominant Upwind - Low/Med753.90.7958
Predominant Upwind - Medium666.30.9005
Predominant Upwind - Med/High615.00.9757
Predominant Upwind - High586.31.0234
Predominant Downwind Low944.30.6354
Predominant Downwind Low/Med708.60.8468
Predominant Downwind Medium601.80.9969
Predominant Downwind Med/High508.41.1803
Predominant Downwind High429.51.3971
Predominant Reaching Low851.40.7047
Predominant Reaching Low/Med660.50.9083
Predominant Reaching Medium577.91.0382
Predominant Reaching Med/High507.01.1834
Predominant Reaching High455.61.3169
SA/DSPL Upwind32.07SA/DSPL Downwind75.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1197.00.5012
5-Band Windward/Leeward Low/Med884.70.6782
5-Band Windward/Leeward Medium756.60.7930
5-Band Windward/Leeward Med/High673.30.8912
5-Band Windward/Leeward High607.80.9872
Windward/Leeward 60-40 Low1211.30.4954
Windward/Leeward 60-40 Low/Med899.40.6671
Windward/Leeward 60-40 Medium774.80.7744
Windward/Leeward 60-40 Med/High701.10.8558
Windward/Leeward 60-40 High648.80.9248
5-Band AP Low879.10.6825
5-Band AP Low/Med703.60.8527
5-Band AP Medium611.00.9820
5-Band AP Med/High545.51.1000
5-Band AP High499.01.2024
5-Band SF Bay Tour - Low1036.50.5788
5-Band SF Bay Tour - Low/Med847.20.7083
5-Band SF Bay Tour - Medium727.30.8250
5-Band SF Bay Tour - Med/High650.90.9218
5-Band SF Bay Tour - High594.91.0086
Chicago-Mac Upwind0.8157
Chicago-Mac All Purpose0.8574
Chicago-Mac Downwind0.8968
Bayview-Mac Cove Island0.6275
Bayview-Mac Shore0.6316
Harvest Moon Regatta515.51.1639
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance675.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating675.50.8883
FinRating, kevyt tuuli1172.50.8528
FinRating, kova tuuli499.11.0019
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8883
Triple Number Coastal/Long Distance Low0.7476
Triple Number Coastal/Long Distance Medium0.9663
Triple Number Coastal/Long Distance High1.1269
Triple Number Windward/Leeward Low0.5837
Triple Number Windward/Leeward Medium0.7799
Triple Number Windward/Leeward High0.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
For information
General Purpose Handicap (GPH)698.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low802.6
Triple Number Coastal/Long Distance Medium620.9
Triple Number Coastal/Long Distance High532.4
Triple Number Windward/Leeward Low1027.9
Triple Number Windward/Leeward Medium769.3
Triple Number Windward/Leeward High655.1
Predominantly Upwind687.2
Predominantly Downwind619.5
Predominantly Reaching597.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7476
Triple Number Coastal/Long Distance Medium0.9663
Triple Number Coastal/Long Distance High1.1269
Triple Number Windward/Leeward Low0.5837
Triple Number Windward/Leeward Medium0.7799
Triple Number Windward/Leeward High0.9159
Coastal/Long Distance0.8883
Predominantly Upwind0.8730
Predominantly Downwind0.9685
For information
General Purpose Handicap (GPH)698.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9664
Distanseseilas Trippeltall svak vind0.7476
Distanseseilas Trippeltall mellomvind0.9663
Distanseseilas Trippeltall sterk vind1.1269
Pølsebane Trippeltall svak vind0.5837
Pølsebane Trippeltall mellomvind0.7799
Pølsebane Trippeltall sterk vind0.9159
Motvind Singeltall0.8730
Medvind Singeltall0.9685
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Coastal/Long Distance675.50.8883
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind687.20.8730
Predominantly Downwind619.50.9685
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore575.71.0422
Cape Doctor Coastal477.21.2574
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7476
Triple Number Coastal/Long Distance Medium0.9663
Triple Number Coastal/Long Distance High1.1269
Triple Number Windward/Leeward Low0.5837
Triple Number Windward/Leeward Medium0.7799
Triple Number Windward/Leeward High0.9159
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7476
Triple Number Coastal/Long Distance Medium0.9663
Triple Number Coastal/Long Distance High1.1269
Triple Number Windward/Leeward Low0.5837
Triple Number Windward/Leeward Medium0.7799
Triple Number Windward/Leeward High0.9159
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Predominantly Upwind687.20.8730
Predominantly Downwind619.50.9685
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low802.60.7476
Triple Number Coastal/Long Distance Medium620.90.9663
Triple Number Coastal/Long Distance High532.41.1269
Triple Number Windward/Leeward Low1027.90.5837
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1678.11130.1864.4727.5644.9593.1547.7466.3435.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low802.50.7476
Triple Number AP Medium621.00.9662
Triple Number AP High532.51.1269
Triple Number Windward/Leeward Low1073.20.5591
Triple Number Windward/Leeward Medium769.30.7799
Triple Number Windward/Leeward High655.10.9159
Single Number Predominant Upwind712.40.8422
Single Number Predominant Reaching609.70.9841
Single Number Predominant Downwind639.00.9389
Predominant Upwind - Low981.50.6113
Predominant Upwind - Low/Med753.90.7958
Predominant Upwind - Medium666.30.9005
Predominant Upwind - Med/High615.00.9757
Predominant Upwind - High586.31.0234
Predominant Downwind Low944.30.6354
Predominant Downwind Low/Med708.60.8468
Predominant Downwind Medium601.80.9969
Predominant Downwind Med/High508.41.1803
Predominant Downwind High429.51.3971
Predominant Reaching Low851.40.7047
Predominant Reaching Low/Med660.50.9083
Predominant Reaching Medium577.91.0382
Predominant Reaching Med/High507.01.1834
Predominant Reaching High455.61.3169
SA/DSPL Upwind32.07SA/DSPL Downwind75.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1197.00.5012
5-Band Windward/Leeward Low/Med884.70.6782
5-Band Windward/Leeward Medium756.60.7930
5-Band Windward/Leeward Med/High673.30.8912
5-Band Windward/Leeward High607.80.9872
Windward/Leeward 60-40 Low1211.30.4954
Windward/Leeward 60-40 Low/Med899.40.6671
Windward/Leeward 60-40 Medium774.80.7744
Windward/Leeward 60-40 Med/High701.10.8558
Windward/Leeward 60-40 High648.80.9248
5-Band AP Low879.10.6825
5-Band AP Low/Med703.60.8527
5-Band AP Medium611.00.9820
5-Band AP Med/High545.51.1000
5-Band AP High499.01.2024
5-Band SF Bay Tour - Low1036.50.5788
5-Band SF Bay Tour - Low/Med847.20.7083
5-Band SF Bay Tour - Medium727.30.8250
5-Band SF Bay Tour - Med/High650.90.9218
5-Band SF Bay Tour - High594.91.0086
Chicago-Mac Upwind0.8157
Chicago-Mac All Purpose0.8574
Chicago-Mac Downwind0.8968
Bayview-Mac Cove Island0.6275
Bayview-Mac Shore0.6316
Harvest Moon Regatta515.51.1639
Club Certificate2025
LA BLANC - XSITA-189M20
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMelges 20Measurement01/12/2015HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
LOA6.135Max. Beam2.130Draft1.405Displacement616Wetted area7.84IMS L6.150LSM05.860Acc. length6.135Sink (kg/mm) 6.23
VCGD-0.150VCGM-0.162RM Rated (kg·m) 13.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight308Declared crew weight295
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P7.390IG6.910ISP8.380MDT10.060MDL10.100MDT2MDL2TLTaperMW0.100GO0.120
E3.000J2.180BAS0.910FSDNo FoilSFJ0.100SPLWPLTPS3.600BD0.100MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.150Flotation Date07/07/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
LA BLANC - XSITA-189M20
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.500.831.282.042.5914.1019/06/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.040.420.741.381.922.366.98YesNo 9.0819/06/2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA10.508.009.255.105.6391%40.1319/06/2024