Non Spin/HSFClub 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°3.885.316.206.666.897.007.087.157.17
60°4.165.586.406.797.037.187.267.377.41
75°4.365.736.516.907.187.397.567.757.87
90°4.225.616.466.907.207.487.738.148.42
110°3.594.986.026.687.087.437.778.509.23
120°3.234.665.756.506.947.307.658.439.45
135°2.734.065.156.036.627.017.348.058.95
150°2.273.424.445.265.996.526.887.498.18
Run VMG1.972.963.844.635.406.076.597.267.91
Gybe Angles142.1°144.5°146.0°170.8°172.1°174.1°176.6°177.5°177.0°
APH ToD:595.1CDL: 8.642APH ToT: 1.0083CertNo:26/1
BOAT
ClassMescal 31DesignerAlberigiBuilderMescalAge date06/1998Series date07/1997Offset fileMESCA31P.OFFData fileI16275
HULL
Length Overall9.340Maximum Beam3.018Draft1.844Displacement3,200DLR5.5971IMS DivisionCruiser/RacerDynamic Allowance0.140%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.36Storm Jib6.93Heavy Weather Jib18.69
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 67.6 Stability Index 112.8
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  03190004EW5 Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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 VMG1452.51029.1848.9758.8719.4703.3694.3687.1692.1
52°927.0677.7580.2540.7522.8513.9508.8503.3502.1
60°864.9645.6562.9529.9512.2501.6495.7488.5485.7
75°826.4628.0552.6521.5501.7486.8476.4464.7457.5
90°853.1642.0557.1521.7499.7481.4465.9442.4427.7
110°1002.4723.0598.5539.1508.6484.8463.6423.7390.0
120°1113.4772.4626.1553.7518.4493.4470.8426.9381.0
135°1318.3886.9698.8597.4543.6513.5490.2447.4402.3
150°1585.81052.0811.3683.9601.1551.9523.0480.8440.2
Run VMG1831.11214.7936.8778.1666.8592.6546.6495.6455.2
Selected Courses
Windward / Leeward1641.81121.9892.8768.4693.1648.0620.4591.3573.7
All purpose1217.8853.2696.7617.8573.2546.3528.1502.9483.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward728.20.8240
All purpose595.11.0083
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7719
Downwind "popa"0.8029
70% up, 30% down "Ilhabela"0.7810
30% up, 70% down "Ilhabela-inverso"0.7934
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Predominantly Upwind625.60.9591
Predominantly Downwind625.00.9600
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP618.90.9694 Predom. Rc High479.51.2512 5B SF Bay L/M807.10.7434 TriNum AP Low774.90.7742 Predom. Dn Low1005.00.5970 5B SF Bay Med683.30.8781 TriNum AP Med591.71.0140 Predom. Dn L/M720.50.8328 5B SF Bay M/H613.70.9776 TriNum AP High523.21.1468 Predom. Dn Med600.30.9995 5B SF Bay High584.11.0273 TriNum W/L Low1058.40.5669 Predom. Dn M/H526.91.1388 5B AP Low877.30.6839 TriNum W/L Med723.60.8292 Predom. Dn High488.31.2287 5B AP L/M673.70.8906 TriNum W/L Hig616.40.9734 ChiMac Up Low789.90.7596 5B AP Med582.61.0298 Predom. Upwind651.20.9214 ChiMac Up Med711.80.8429 5B AP M/H530.71.1306 Predom. Reaching596.51.0059 ChiMac Up High621.40.9656 5B AP High503.91.1908 Predom. Downwind658.10.9117 ChiMac Off Low851.60.7046 5B W/L Low1194.60.5022 Predom. Up Low901.30.6657 ChiMac Off Med741.70.8089 5B W/L L/M853.20.7032 Predom. Up L/M684.70.8763 ChiMac Off High612.50.9795 5B W/L Med708.70.8467 Predom. Up Med605.00.9917 ChiMac AP Low814.60.7365 5B W/L M/H626.30.9581 Predom. Up M/H564.91.0620 ChiMac AP Med722.40.8305 5B W/L High593.31.0113 Predom. Up High547.51.0959 ChiMac AP High614.20.9768 W/L 60-40 Low1173.70.5112 Predom. Rc Low841.30.7132 BayMac Cove Island944.80.6351 W/L 60-40 L/M847.50.7080 Predom. Rc L/M635.00.9449 BayMac Shore933.00.6431 W/L 60-40 Med713.30.8411 Predom. Rc Med554.91.0812 Harvest Moon531.11.1298 W/L 60-40 M/H640.40.9370 Predom. Rc M/H507.21.1830 5B SF Bay Low988.30.6071 W/L 60-40 High612.50.9796      SA/DSPL Up24.45SA/DSPL Dn24.45
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance649.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating649.60.9237
FinRating, kevyt tuuli1180.80.8469
FinRating, kova tuuli507.30.9856
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9237
Triple Number Coastal/Long Distance Low0.7742
Triple Number Coastal/Long Distance Medium1.0141
Triple Number Coastal/Long Distance High1.1468
Triple Number Windward/Leeward Low0.5956
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
For information
General Purpose Handicap (GPH)670.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Saronikos S All Purpose663.00.9050
Saronikos S Upwind715.70.8383
Saronikos S Downwind615.30.9751
Saronikos N All Purpose663.00.9050
Saronikos N Upwind746.80.8034
Saronikos N Downwind682.00.8797
Saronikos SW All Purpose673.80.8905
Saronikos SW Upwind735.90.8153
Saronikos SW Downwind629.20.9536
Saronikos NE All Purpose742.20.8085
Saronikos NE Upwind704.50.8517
Saronikos NE Downwind775.00.7742
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose618.90.9694
5-Band All Purpose Low945.20.6348
5-Band All Purpose L/M699.00.8583
5-Band All Purpose Med600.70.9989
5-Band All Purpose M/H544.21.1024
5-Band All Purpose High516.31.1621
Single Number Predominant Upwind623.30.9626
Single Number Predominant Reaching572.31.0485
Single Number Predominant Downwind626.50.9578
5-Band 50-50 Windward/Leeward Low1194.60.5022
5-Band 50-50 Windward/Leeward L/M853.20.7032
5-Band 50-50 Windward/Leeward Med708.70.8467
5-Band 50-50 Windward/Leeward M/H626.30.9581
5-Band 50-50 Windward/Leeward High593.31.0113
5-Band 60-40 Windward/Leeward Low1173.70.5112
5-Band 60-40 Windward/Leeward L/M847.50.7080
5-Band 60-40 Windward/Leeward Med713.30.8411
5-Band 60-40 Windward/Leeward M/H640.40.9370
5-Band 60-40 Windward/Leeward High612.50.9796
Triple Number 50-50 Windward/Leeward Low1058.40.5669
Triple Number 50-50 Windward/Leeward Med723.70.8291
Triple Number 50-50 Windward/Leeward High616.40.9734
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward732.20.8194
Triple Number 60-40 Windward/Leeward Low1043.00.5753
Triple Number 60-40 Windward/Leeward Med726.80.8255
Triple Number 60-40 Windward/Leeward High631.90.9495
Triple Number All-Purpose Low845.60.7095
Triple Number All-Purpose Med610.60.9826
Triple Number All-Purpose High536.41.1187
Triple Number Predominant Upwind Low824.40.7278
Triple Number Predominant Upwind Med615.70.9744
Triple Number Predominant Upwind High562.71.0663
Triple Number Predominant Reaching Low761.00.7884
Triple Number Predominant Reaching Med570.71.0513
Triple Number Predominant Reaching High491.61.2206
Triple Number Predominant Downwind Low887.10.6763
Triple Number Predominant Downwind Med616.60.9730
Triple Number Predominant Downwind High509.81.1769
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low775.0
Triple Number Coastal/Long Distance Medium591.7
Triple Number Coastal/Long Distance High523.2
Triple Number Windward/Leeward Low1007.4
Triple Number Windward/Leeward Medium723.6
Triple Number Windward/Leeward High616.4
Predominantly Upwind625.6
Predominantly Downwind625.0
Predominantly Reaching588.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7742
Triple Number Coastal/Long Distance Medium1.0141
Triple Number Coastal/Long Distance High1.1468
Triple Number Windward/Leeward Low0.5956
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9734
Coastal/Long Distance0.9237
Predominantly Upwind0.9591
Predominantly Downwind0.9600
For information
General Purpose Handicap (GPH)670.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0083
Distanseseilas Trippeltall svak vind0.7742
Distanseseilas Trippeltall mellomvind1.0141
Distanseseilas Trippeltall sterk vind1.1468
Pølsebane Trippeltall svak vind0.5956
Pølsebane Trippeltall mellomvind0.8292
Pølsebane Trippeltall sterk vind0.9734
Motvind Singeltall0.9591
Medvind Singeltall0.9600
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Coastal/Long Distance649.60.9237
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind625.60.9591
Predominantly Downwind625.00.9600
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore579.01.0363
Cape Doctor Coastal489.31.2262
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7742
Triple Number Coastal/Long Distance Medium1.0141
Triple Number Coastal/Long Distance High1.1468
Triple Number Windward/Leeward Low0.5956
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9734
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7742
Triple Number Coastal/Long Distance Medium1.0141
Triple Number Coastal/Long Distance High1.1468
Triple Number Windward/Leeward Low0.5956
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9734
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Predominantly Upwind625.60.9591
Predominantly Downwind625.00.9600
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance649.60.9237
Triple Number Coastal/Long Distance Low775.00.7742
Triple Number Coastal/Long Distance Medium591.71.0141
Triple Number Coastal/Long Distance High523.21.1468
Triple Number Windward/Leeward Low1007.40.5956
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High616.40.9734
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.71131.2842.1695.4610.5567.0535.1483.7461.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP618.90.9694 Predom. Dn High488.31.2287 5B AP M/H530.71.1306 TriNum AP Low774.90.7742 Predom. Rc Low841.30.7132 5B AP High503.91.1908 TriNum AP Med591.71.0140 Predom. Rc L/M635.00.9449 5B SF Bay Low988.30.6071 TriNum AP High523.21.1468 Predom. Rc Med554.91.0812 5B SF Bay L/M807.10.7434 TriNum W/L Low1058.40.5669 Predom. Rc M/H507.21.1830 5B SF Bay Med683.30.8781 TriNum W/L Med723.60.8292 Predom. Rc High479.51.2512 5B SF Bay M/H613.70.9776 TriNum W/L Hig616.40.9734 5B W/L Low1194.60.5022 5B SF Bay High584.11.0273 Predom. Upwind651.20.9214 5B W/L L/M853.20.7032 ChiMac Up Low789.90.7596 Predom. Reaching596.51.0059 5B W/L Med708.70.8467 ChiMac Up Med711.80.8429 Predom. Downwind658.10.9117 5B W/L M/H626.30.9581 ChiMac Up High621.40.9656 Predom. Up Low901.30.6657 5B W/L High593.31.0113 ChiMac Off Low851.60.7046 Predom. Up L/M684.70.8763 W/L 60-40 Low1173.70.5112 ChiMac Off Med741.70.8089 Predom. Up Med605.00.9917 W/L 60-40 L/M847.50.7080 ChiMac Off High612.50.9795 Predom. Up M/H564.91.0620 W/L 60-40 Med713.30.8411 ChiMac AP Low814.60.7365 Predom. Up High547.51.0959 W/L 60-40 M/H640.40.9370 ChiMac AP Med722.40.8305 Predom. Dn Low1005.00.5970 W/L 60-40 High612.50.9796 ChiMac AP High614.20.9768 Predom. Dn L/M720.50.8328 5B AP Low877.30.6839 BayMac Cove Island944.80.6351 Predom. Dn Med600.30.9995 5B AP L/M673.70.8906 BayMac Shore933.00.6431 Predom. Dn M/H526.91.1388 5B AP Med582.61.0298 Harvest Moon531.11.1298      SA/DSPL Up24.45SA/DSPL Dn24.45
ORC Ref  03190004EW5 Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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 L8.666LSM08.299Accomod. length9.340Sink (kg/mm) 13.81
VCGD-0.100VCGM-0.059 RM Rated (kg·m) 67.6Limit of positive stability(°) 114.9 Stability Index 112.8 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
E4.190J3.610BAS1.340FSD0.035SFJ0.130SPLWPLTPSBD0.110MWTMCG
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  03190004EW5 Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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
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  03190004EW5 Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org