Club Certificate2026
TATAITA-109M20
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 Angles44.9°42.4°40.1°37.7°37.1°37.2°37.4°39.0°40.9°
Beat VMG2.273.203.904.254.354.394.414.324.20
52°3.524.845.646.006.146.226.296.296.23
60°3.775.085.806.236.436.546.646.706.67
75°3.945.235.926.476.897.107.287.507.63
90°3.855.336.036.497.117.657.968.458.81
110°3.935.446.327.067.558.038.489.6510.53
120°3.815.306.247.117.968.579.1510.3011.58
135°3.384.785.786.617.558.619.9712.0713.78
150°2.814.055.105.866.607.428.3911.7715.10
Run VMG2.433.514.425.095.726.427.2710.2013.08
Gybe Angles140.6°144.1°148.6°151.9°149.2°146.8°142.7°144.5°149.3°
APH ToD:599.6CDL: 6.315APH ToT: 1.0006CertNo:26/1
BOAT
ClassMelges 20DesignerReichel/PughBuilderMelges PerformanceAge date01/2009Series date01/2009Offset fileMELG20.od.offData file109M20
HULL
Length Overall6.135Maximum Beam2.130Draft1.388Displacement524DLR2.8165IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.552%RS Assessment0.000%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight315(declared)Minimum weight185 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail15.3816.11Headsail Luffed9.049.04Headsail FlyingSymmetricAsymmetric39.2639.26 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail3.88Storm Jib3.51Heavy Weather Jib9.48
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 11.9 Stability Index 104.2
COMMENTS
ballast 195 kg @3.00 m
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  03190004IEP Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TATAITA-109M20
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 VMG1586.41123.4923.2847.0826.8819.2816.6833.6856.3
52°1021.6743.6638.9600.3586.1578.5572.3572.7578.1
60°955.9708.0621.0578.2560.0550.4542.4537.6539.8
75°914.5688.3607.8556.1522.5507.3494.8479.9472.0
90°935.1675.9597.0554.7506.4470.5452.1426.3408.5
110°916.7662.2569.5510.2476.5448.4424.5373.2341.9
120°945.3678.9576.9506.2452.4420.1393.4349.6311.0
135°1065.0752.5622.8544.4477.1418.2361.3298.2261.2
150°1281.2888.2705.6614.2545.1485.4428.9305.7238.4
Run VMG1479.41025.6814.7707.8629.4560.5495.3353.0275.3
Selected Courses
Windward / Leeward1532.91074.5869.0777.4728.1689.9655.9593.3565.8
All purpose1167.2831.6693.5626.1584.8554.1528.4487.4467.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward747.80.8024
All purpose599.61.0006
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6785
Downwind "popa"0.9158
70% up, 30% down "Ilhabela"0.7357
30% up, 70% down "Ilhabela-inverso"0.8288
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Predominantly Upwind666.20.9006
Predominantly Downwind591.01.0152
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP618.60.9700 Predom. Rc High446.41.3441 5B SF Bay L/M807.20.7433 TriNum AP Low762.60.7868 Predom. Dn Low908.80.6602 5B SF Bay Med707.30.8483 TriNum AP Med600.01.0000 Predom. Dn L/M681.00.8811 5B SF Bay M/H637.40.9414 TriNum AP High519.51.1551 Predom. Dn Med575.31.0429 5B SF Bay High590.51.0161 TriNum W/L Low1018.70.5890 Predom. Dn M/H481.01.2475 5B AP Low841.80.7128 TriNum W/L Med746.70.8035 Predom. Dn High413.51.4512 5B AP L/M674.10.8901 TriNum W/L Hig641.00.9361 ChiMac Up Low825.50.7269 5B AP Med590.91.0155 Predom. Upwind691.70.8675 ChiMac Up Med750.90.7990 5B AP M/H530.61.1308 Predom. Reaching586.41.0232 ChiMac Up High662.80.9052 5B AP High491.01.2219 Predom. Downwind612.30.9799 ChiMac Off Low786.20.7632 5B W/L Low1137.70.5274 Predom. Up Low930.90.6445 ChiMac Off Med690.40.8690 5B W/L L/M846.10.7091 Predom. Up L/M721.60.8315 ChiMac Off High569.41.0538 5B W/L Med735.50.8157 Predom. Up Med648.70.9250 ChiMac AP Low802.60.7476 5B W/L M/H657.20.9130 Predom. Up M/H606.50.9892 ChiMac AP Med718.30.8353 5B W/L High599.41.0010 Predom. Up High588.61.0193 ChiMac AP High614.50.9764 W/L 60-40 Low1148.00.5227 Predom. Rc Low821.10.7307 BayMac Cove Island918.40.6533 W/L 60-40 L/M859.20.6983 Predom. Rc L/M635.80.9437 BayMac Shore912.20.6578 W/L 60-40 Med755.60.7941 Predom. Rc Med553.01.0849 Harvest Moon497.11.2070 W/L 60-40 M/H689.90.8697 Predom. Rc M/H485.31.2364 5B SF Bay Low964.50.6221 W/L 60-40 High646.40.9282      SA/DSPL Up37.65SA/DSPL Dn84.25
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance651.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating651.50.9210
FinRating, kevyt tuuli1119.80.8930
FinRating, kova tuuli491.31.0178
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9210
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium1.0001
Triple Number Coastal/Long Distance High1.1551
Triple Number Windward/Leeward Low0.6175
Triple Number Windward/Leeward Medium0.8035
Triple Number Windward/Leeward High0.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
For information
General Purpose Handicap (GPH)671.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Saronikos S All Purpose670.70.8946
Saronikos S Upwind790.00.7595
Saronikos S Downwind523.61.1459
Saronikos N All Purpose725.60.8269
Saronikos N Upwind828.40.7243
Saronikos N Downwind607.40.9878
Saronikos SW All Purpose670.10.8954
Saronikos SW Upwind803.20.7470
Saronikos SW Downwind541.41.1082
Saronikos NE All Purpose747.40.8028
Saronikos NE Upwind774.60.7746
Saronikos NE Downwind684.20.8769
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose618.60.9700
5-Band All Purpose Low916.30.6548
5-Band All Purpose L/M699.70.8576
5-Band All Purpose Med610.80.9823
5-Band All Purpose M/H542.91.1052
5-Band All Purpose High500.51.1987
Single Number Predominant Upwind663.80.9039
Single Number Predominant Reaching567.61.0571
Single Number Predominant Downwind593.31.0113
5-Band 50-50 Windward/Leeward Low1137.70.5274
5-Band 50-50 Windward/Leeward L/M846.10.7091
5-Band 50-50 Windward/Leeward Med735.50.8157
5-Band 50-50 Windward/Leeward M/H657.20.9130
5-Band 50-50 Windward/Leeward High599.41.0010
5-Band 60-40 Windward/Leeward Low1148.00.5227
5-Band 60-40 Windward/Leeward L/M859.20.6983
5-Band 60-40 Windward/Leeward Med755.60.7941
5-Band 60-40 Windward/Leeward M/H689.90.8697
5-Band 60-40 Windward/Leeward High646.40.9282
Triple Number 50-50 Windward/Leeward Low1018.70.5890
Triple Number 50-50 Windward/Leeward Med746.80.8034
Triple Number 50-50 Windward/Leeward High640.90.9361
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward768.80.7804
Triple Number 60-40 Windward/Leeward Low1029.30.5829
Triple Number 60-40 Windward/Leeward Med765.40.7839
Triple Number 60-40 Windward/Leeward High677.50.8856
Triple Number All-Purpose Low827.50.7251
Triple Number All-Purpose Med621.00.9662
Triple Number All-Purpose High530.91.1301
Triple Number Predominant Upwind Low850.50.7055
Triple Number Predominant Upwind Med658.30.9114
Triple Number Predominant Upwind High614.70.9762
Triple Number Predominant Reaching Low750.50.7994
Triple Number Predominant Reaching Med575.91.0419
Triple Number Predominant Reaching High463.31.2951
Triple Number Predominant Downwind Low816.70.7347
Triple Number Predominant Downwind Med588.41.0197
Triple Number Predominant Downwind High444.61.3494
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low762.6
Triple Number Coastal/Long Distance Medium599.9
Triple Number Coastal/Long Distance High519.4
Triple Number Windward/Leeward Low971.7
Triple Number Windward/Leeward Medium746.7
Triple Number Windward/Leeward High641.0
Predominantly Upwind666.2
Predominantly Downwind591.0
Predominantly Reaching570.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium1.0001
Triple Number Coastal/Long Distance High1.1551
Triple Number Windward/Leeward Low0.6175
Triple Number Windward/Leeward Medium0.8035
Triple Number Windward/Leeward High0.9361
Coastal/Long Distance0.9210
Predominantly Upwind0.9006
Predominantly Downwind1.0152
For information
General Purpose Handicap (GPH)671.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0006
Distanseseilas Trippeltall svak vind0.7868
Distanseseilas Trippeltall mellomvind1.0001
Distanseseilas Trippeltall sterk vind1.1551
Pølsebane Trippeltall svak vind0.6175
Pølsebane Trippeltall mellomvind0.8035
Pølsebane Trippeltall sterk vind0.9361
Motvind Singeltall0.9006
Medvind Singeltall1.0152
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Coastal/Long Distance651.50.9210
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind666.20.9006
Predominantly Downwind591.01.0152
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore574.11.0452
Cape Doctor Coastal473.41.2674
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium1.0001
Triple Number Coastal/Long Distance High1.1551
Triple Number Windward/Leeward Low0.6175
Triple Number Windward/Leeward Medium0.8035
Triple Number Windward/Leeward High0.9361
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium1.0001
Triple Number Coastal/Long Distance High1.1551
Triple Number Windward/Leeward Low0.6175
Triple Number Windward/Leeward Medium0.8035
Triple Number Windward/Leeward High0.9361
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Predominantly Upwind666.20.9006
Predominantly Downwind591.01.0152
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance651.50.9210
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium599.91.0001
Triple Number Coastal/Long Distance High519.41.1551
Triple Number Windward/Leeward Low971.70.6175
Triple Number Windward/Leeward Medium746.70.8035
Triple Number Windward/Leeward High641.00.9361
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.61069.6820.2702.5626.7576.3532.2456.3431.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP618.60.9700 Predom. Dn High413.51.4512 5B AP M/H530.61.1308 TriNum AP Low762.60.7868 Predom. Rc Low821.10.7307 5B AP High491.01.2219 TriNum AP Med600.01.0000 Predom. Rc L/M635.80.9437 5B SF Bay Low964.50.6221 TriNum AP High519.51.1551 Predom. Rc Med553.01.0849 5B SF Bay L/M807.20.7433 TriNum W/L Low1018.70.5890 Predom. Rc M/H485.31.2364 5B SF Bay Med707.30.8483 TriNum W/L Med746.70.8035 Predom. Rc High446.41.3441 5B SF Bay M/H637.40.9414 TriNum W/L Hig641.00.9361 5B W/L Low1137.70.5274 5B SF Bay High590.51.0161 Predom. Upwind691.70.8675 5B W/L L/M846.10.7091 ChiMac Up Low825.50.7269 Predom. Reaching586.41.0232 5B W/L Med735.50.8157 ChiMac Up Med750.90.7990 Predom. Downwind612.30.9799 5B W/L M/H657.20.9130 ChiMac Up High662.80.9052 Predom. Up Low930.90.6445 5B W/L High599.41.0010 ChiMac Off Low786.20.7632 Predom. Up L/M721.60.8315 W/L 60-40 Low1148.00.5227 ChiMac Off Med690.40.8690 Predom. Up Med648.70.9250 W/L 60-40 L/M859.20.6983 ChiMac Off High569.41.0538 Predom. Up M/H606.50.9892 W/L 60-40 Med755.60.7941 ChiMac AP Low802.60.7476 Predom. Up High588.61.0193 W/L 60-40 M/H689.90.8697 ChiMac AP Med718.30.8353 Predom. Dn Low908.80.6602 W/L 60-40 High646.40.9282 ChiMac AP High614.50.9764 Predom. Dn L/M681.00.8811 5B AP Low841.80.7128 BayMac Cove Island918.40.6533 Predom. Dn Med575.31.0429 5B AP L/M674.10.8901 BayMac Shore912.20.6578 Predom. Dn M/H481.01.2475 5B AP Med590.91.0155 Harvest Moon497.11.2070      SA/DSPL Up37.65SA/DSPL Dn84.25
ORC Ref  03190004IEP Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TATAITA-109M20
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 20Measurement01/12/2009HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall6.135Maximum beam2.130Draft1.388Displacement524Wetted area7.45IMS L6.107LSM05.708Accomod. length6.135Sink (kg/mm) 5.94
VCGD-0.130VCGM-0.126 RM Rated (kg·m) 11.9Limit of positive stability(°) 113.6 Stability Index 104.2 BLR index 0.0000Default crew weight262 Declared crew weight 315
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P7.390IG8.300ISP8.380MDT10.060MDL10.100MDT20.060MDL20.100TLMW0.100GO0.120
E3.000J2.180BAS0.910FSDNo FoilSFJ0.100SPLWPLTPS3.680BD0.100MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.130Flotation Date15/06/2023
SFFP0.047FFM0.800FF0.800LCFcl3.348SG1.0250
SAFP6.136FAM0.583FA0.583LCFsh3.514HBI0.706
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004IEP Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TATAITA-109M20
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.701.021.562.272.7015.3815/06/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.020.420.741.361.922.366.98YesNo 9.0415/06/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA9.059.059.055.105.6391%39.2615/06/2023
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03190004IEP Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org