Club Certificate2026
ALCATRAZITA-16275
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 Angles46.0°43.0°40.8°38.3°36.7°36.3°36.0°36.0°36.8°
Beat VMG2.483.504.244.745.005.125.195.245.20
52°3.885.316.206.666.897.017.087.157.17
60°4.165.576.396.797.037.187.267.377.41
75°4.355.736.516.907.177.397.567.757.87
90°4.225.616.466.937.217.487.738.148.42
110°3.925.486.527.047.437.788.108.578.90
120°3.775.306.376.957.377.778.189.079.77
135°3.284.745.866.627.097.507.939.0210.79
150°2.713.995.106.046.707.127.508.389.62
Run VMG2.343.454.425.255.956.506.937.648.49
Gybe Angles138.5°145.0°149.6°153.3°160.6°168.2°176.3°176.8°165.4°
APH ToD:571.5CDL: 8.644APH ToT: 1.0499CertNo:26/1
BOAT
ClassMescal 31DesignerAlberigiBuilderMescalAge date06/1998Series date07/1997Offset fileMESCA31P.OFFData fileI16275
HULL
Length Overall9.340Maximum Beam3.018Draft1.844Displacement3,200DLR5.5971IMS DivisionCruiser/RacerDynamic Allowance0.060%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight525(declared)Minimum weight395 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.8428.36Headsail Luffed25.4625.46Headsail FlyingSymmetric60.0060.00Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.36Storm Jib6.93Heavy Weather Jib18.69
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 67.6 Stability Index 112.9
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  03190004EVO Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALCATRAZITA-16275
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 VMG1453.21029.6849.2759.0719.4703.2694.1686.9691.9
52°927.4678.0580.4540.8522.8513.9508.8503.3502.0
60°865.3645.9563.0529.9512.2501.6495.7488.4485.6
75°826.8628.3552.8521.6501.8486.9476.4464.7457.5
90°853.5642.3557.3519.5499.0481.5466.0442.5427.7
110°918.3657.0552.2511.5484.7462.9444.6420.3404.7
120°954.3679.4565.6518.0488.3463.4439.8396.7368.3
135°1097.7759.2614.1543.8508.1480.3453.9399.2333.7
150°1329.7902.6705.3595.9537.7505.7479.8429.7374.1
Run VMG1535.41042.2814.4685.3604.8553.5519.8470.9424.2
Selected Courses
Windward / Leeward1494.31035.9831.8722.1662.1628.3607.0578.9558.0
All purpose1125.0797.6658.1589.7553.0530.6514.1488.7468.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward693.30.8654
All purpose571.51.0499
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7719
Downwind "popa"0.8953
70% up, 30% down "Ilhabela"0.8052
30% up, 70% down "Ilhabela-inverso"0.8543
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Predominantly Upwind613.30.9783
Predominantly Downwind584.51.0265
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP594.41.0094 Predom. Rc High463.51.2944 5B SF Bay L/M760.30.7892 TriNum AP Low727.80.8244 Predom. Dn Low896.40.6694 5B SF Bay Med654.30.9171 TriNum AP Med568.51.0555 Predom. Dn L/M660.30.9087 5B SF Bay M/H596.61.0058 TriNum AP High508.71.1794 Predom. Dn Med564.91.0622 5B SF Bay High567.21.0579 TriNum W/L Low978.90.6129 Predom. Dn M/H504.01.1906 5B AP Low811.10.7397 TriNum W/L Med687.80.8723 Predom. Dn High463.11.2957 5B AP L/M639.00.9389 TriNum W/L Hig601.80.9970 ChiMac Up Low767.30.7820 5B AP Med560.81.0698 Predom. Upwind637.70.9408 ChiMac Up Med694.50.8639 5B AP M/H515.91.1631 Predom. Reaching572.41.0482 ChiMac Up High609.90.9838 5B AP High489.61.2256 Predom. Downwind610.70.9825 ChiMac Off Low770.20.7790 5B W/L Low1099.50.5457 Predom. Up Low870.90.6889 ChiMac Off Med679.80.8826 5B W/L L/M798.20.7517 Predom. Up L/M667.90.8984 ChiMac Off High572.01.0490 5B W/L Med676.00.8876 Predom. Up Med595.01.0084 ChiMac AP Low765.10.7843 5B W/L M/H610.50.9828 Predom. Up M/H558.21.0748 ChiMac AP Med684.70.8764 5B W/L High580.11.0342 Predom. Up High539.91.1114 ChiMac AP High589.41.0179 W/L 60-40 Low1097.70.5466 Predom. Rc Low787.00.7624 BayMac Cove Island878.80.6827 W/L 60-40 L/M803.50.7468 Predom. Rc L/M605.50.9909 BayMac Shore871.00.6889 W/L 60-40 Med687.20.8732 Predom. Rc Med537.61.1162 Harvest Moon508.31.1805 W/L 60-40 M/H627.70.9559 Predom. Rc M/H494.11.2143 5B SF Bay Low922.90.6501 W/L 60-40 High601.90.9968      SA/DSPL Up24.45SA/DSPL Dn40.29
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance619.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating619.80.9681
FinRating, kevyt tuuli1084.20.9223
FinRating, kova tuuli491.51.0173
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9681
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.0556
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8723
Triple Number Windward/Leeward High0.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
For information
General Purpose Handicap (GPH)640.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Saronikos S All Purpose643.70.9321
Saronikos S Upwind715.90.8381
Saronikos S Downwind561.61.0683
Saronikos N All Purpose643.70.9321
Saronikos N Upwind746.90.8034
Saronikos N Downwind614.90.9758
Saronikos SW All Purpose649.40.9239
Saronikos SW Upwind736.00.8152
Saronikos SW Downwind569.51.0535
Saronikos NE All Purpose705.00.8510
Saronikos NE Upwind704.60.8516
Saronikos NE Downwind690.30.8692
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose594.41.0094
5-Band All Purpose Low879.30.6824
5-Band All Purpose L/M662.30.9059
5-Band All Purpose Med579.01.0363
5-Band All Purpose M/H530.41.1313
5-Band All Purpose High501.11.1973
Single Number Predominant Upwind611.80.9807
Single Number Predominant Reaching551.91.0871
Single Number Predominant Downwind585.41.0249
5-Band 50-50 Windward/Leeward Low1099.50.5457
5-Band 50-50 Windward/Leeward L/M798.20.7517
5-Band 50-50 Windward/Leeward Med676.00.8876
5-Band 50-50 Windward/Leeward M/H610.50.9828
5-Band 50-50 Windward/Leeward High580.11.0342
5-Band 60-40 Windward/Leeward Low1097.70.5466
5-Band 60-40 Windward/Leeward L/M803.50.7468
5-Band 60-40 Windward/Leeward Med687.20.8732
5-Band 60-40 Windward/Leeward M/H627.70.9559
5-Band 60-40 Windward/Leeward High601.90.9968
Triple Number 50-50 Windward/Leeward Low978.90.6129
Triple Number 50-50 Windward/Leeward Med687.90.8722
Triple Number 50-50 Windward/Leeward High601.80.9970
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward704.40.8518
Triple Number 60-40 Windward/Leeward Low979.50.6126
Triple Number 60-40 Windward/Leeward Med698.20.8593
Triple Number 60-40 Windward/Leeward High620.20.9675
Triple Number All-Purpose Low791.00.7585
Triple Number All-Purpose Med587.11.0220
Triple Number All-Purpose High522.51.1483
Triple Number Predominant Upwind Low795.70.7540
Triple Number Predominant Upwind Med604.30.9929
Triple Number Predominant Upwind High558.01.0752
Triple Number Predominant Reaching Low716.50.8374
Triple Number Predominant Reaching Med552.01.0869
Triple Number Predominant Reaching High478.21.2547
Triple Number Predominant Downwind Low799.40.7506
Triple Number Predominant Downwind Med575.71.0422
Triple Number Predominant Downwind High484.71.2379
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low727.8
Triple Number Coastal/Long Distance Medium568.4
Triple Number Coastal/Long Distance High508.7
Triple Number Windward/Leeward Low933.9
Triple Number Windward/Leeward Medium687.8
Triple Number Windward/Leeward High601.8
Predominantly Upwind613.3
Predominantly Downwind584.5
Predominantly Reaching561.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.0556
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8723
Triple Number Windward/Leeward High0.9970
Coastal/Long Distance0.9681
Predominantly Upwind0.9783
Predominantly Downwind1.0265
For information
General Purpose Handicap (GPH)640.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0499
Distanseseilas Trippeltall svak vind0.8244
Distanseseilas Trippeltall mellomvind1.0556
Distanseseilas Trippeltall sterk vind1.1794
Pølsebane Trippeltall svak vind0.6425
Pølsebane Trippeltall mellomvind0.8723
Pølsebane Trippeltall sterk vind0.9970
Motvind Singeltall0.9783
Medvind Singeltall1.0265
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Coastal/Long Distance619.80.9681
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind613.30.9783
Predominantly Downwind584.51.0265
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore564.31.0633
Cape Doctor Coastal474.31.2649
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.0556
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8723
Triple Number Windward/Leeward High0.9970
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.0556
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8723
Triple Number Windward/Leeward High0.9970
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Predominantly Upwind613.30.9783
Predominantly Downwind584.51.0265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance619.80.9681
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium568.41.0556
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium687.80.8723
Triple Number Windward/Leeward High601.80.9970
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1498.41036.5785.0657.4587.2549.9519.8468.5448.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP594.41.0094 Predom. Dn High463.11.2957 5B AP M/H515.91.1631 TriNum AP Low727.80.8244 Predom. Rc Low787.00.7624 5B AP High489.61.2256 TriNum AP Med568.51.0555 Predom. Rc L/M605.50.9909 5B SF Bay Low922.90.6501 TriNum AP High508.71.1794 Predom. Rc Med537.61.1162 5B SF Bay L/M760.30.7892 TriNum W/L Low978.90.6129 Predom. Rc M/H494.11.2143 5B SF Bay Med654.30.9171 TriNum W/L Med687.80.8723 Predom. Rc High463.51.2944 5B SF Bay M/H596.61.0058 TriNum W/L Hig601.80.9970 5B W/L Low1099.50.5457 5B SF Bay High567.21.0579 Predom. Upwind637.70.9408 5B W/L L/M798.20.7517 ChiMac Up Low767.30.7820 Predom. Reaching572.41.0482 5B W/L Med676.00.8876 ChiMac Up Med694.50.8639 Predom. Downwind610.70.9825 5B W/L M/H610.50.9828 ChiMac Up High609.90.9838 Predom. Up Low870.90.6889 5B W/L High580.11.0342 ChiMac Off Low770.20.7790 Predom. Up L/M667.90.8984 W/L 60-40 Low1097.70.5466 ChiMac Off Med679.80.8826 Predom. Up Med595.01.0084 W/L 60-40 L/M803.50.7468 ChiMac Off High572.01.0490 Predom. Up M/H558.21.0748 W/L 60-40 Med687.20.8732 ChiMac AP Low765.10.7843 Predom. Up High539.91.1114 W/L 60-40 M/H627.70.9559 ChiMac AP Med684.70.8764 Predom. Dn Low896.40.6694 W/L 60-40 High601.90.9968 ChiMac AP High589.41.0179 Predom. Dn L/M660.30.9087 5B AP Low811.10.7397 BayMac Cove Island878.80.6827 Predom. Dn Med564.91.0622 5B AP L/M639.00.9389 BayMac Shore871.00.6889 Predom. Dn M/H504.01.1906 5B AP Med560.81.0698 Harvest Moon508.31.1805      SA/DSPL Up24.45SA/DSPL Dn40.29
ORC Ref  03190004EVO Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALCATRAZITA-16275
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)
ClassMescal 31Measurement08/03/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.340Maximum beam3.018Draft1.844Displacement3,200Wetted area17.55IMS L8.670LSM08.299Accomod. length9.340Sink (kg/mm) 13.81
VCGD-0.100VCGM-0.059 RM Rated (kg·m) 67.6Limit of positive stability(°) 114.9 Stability Index 112.9 BLR index 0.0000Default crew weight528 Declared crew weight 525
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBW0.092PIPA0.0027
EDL2.050ST10.050ST20.175
ST30.175ST40.088ST50.280
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P11.400IG11.700ISP11.750MDT10.100MDL10.150MDT20.095MDL20.100TL1.870MW0.150GO0.170
E4.190J3.610BAS1.340FSD0.035SFJ0.130SPL3.740WPLTPSBD0.110MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date26/02/2024
SFFP0.045FFM1.001FF1.001LCFcl5.124SG1.0250
SAFP8.945FAM0.804FA0.804LCFsh5.338HBI0.888
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004EVO Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALCATRAZITA-16275
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.330.901.512.583.4327.8409/03/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentB0.080.571.152.193.324.4411.45NoNo 25.4608/03/2025GMA0.070.520.971.983.144.4511.78NoNo 24.7508/03/2025GL
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA11.6211.6211.626.146.4260.0004/10/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004EVO Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org