Double HandedClub 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 Angles45.6°42.3°40.4°38.8°38.0°37.8°38.1°38.5°40.6°
Beat VMG2.533.544.234.624.784.864.904.914.77
52°3.955.336.186.576.746.826.876.926.88
60°4.235.596.376.746.927.017.077.147.13
75°4.435.766.506.887.117.287.397.547.60
90°4.315.676.476.897.197.447.657.978.18
110°3.975.526.517.027.387.667.878.208.65
120°3.835.366.406.967.387.778.178.759.19
135°3.334.815.946.677.147.578.039.2110.78
150°2.754.045.176.106.757.187.608.6110.07
Run VMG2.383.504.475.316.006.556.977.758.79
Gybe Angles138.7°144.8°149.4°153.7°160.8°168.0°174.5°171.8°159.5°
APH ToD:578.0CDL: 8.186APH ToT: 1.0380CertNo:26/1
BOAT
ClassMescal 31DesignerAlberigiBuilderMescalAge date06/1998Series date07/1997Offset fileMESCA31P.OFFData fileI16275
HULL
Length Overall9.340Maximum Beam3.018Draft1.844Displacement3,200DLR5.5971IMS DivisionCruiser/RacerDynamic Allowance0.050%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight170(declared)Minimum weight120 ✱ 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 118.0
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  03190004EVU Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1423.91016.9851.1779.6753.1741.1734.8733.2755.4
52°911.6675.1582.8547.9534.1527.6523.7520.2523.0
60°851.9644.5565.0534.4520.3513.5509.0504.1504.9
75°812.8625.0553.7523.5506.1494.5487.4477.6473.6
90°835.9635.3556.3522.2500.7484.0470.8452.0440.1
110°906.0652.5552.6513.1487.9469.8457.2438.8416.2
120°940.1671.6562.8517.2487.8463.3440.6411.3391.5
135°1080.8748.9606.5539.7504.3475.6448.1391.1334.1
150°1307.4891.1697.0589.9533.7501.3473.6418.3357.4
Run VMG1509.71029.0804.8678.1599.9549.8516.3464.3409.8
Selected Courses
Windward / Leeward1466.81022.9828.0728.8676.5645.4625.5598.7582.6
All purpose1105.2789.1656.1593.8561.2540.7525.8502.8486.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward704.20.8520
All purpose578.01.0380
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7487
Downwind "popa"0.9047
70% up, 30% down "Ilhabela"0.7896
30% up, 70% down "Ilhabela-inverso"0.8515
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Predominantly Upwind623.80.9619
Predominantly Downwind583.71.0279
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP600.20.9996 Predom. Rc High471.61.2722 5B SF Bay L/M762.20.7872 TriNum AP Low722.60.8303 Predom. Dn Low884.80.6781 5B SF Bay Med667.00.8995 TriNum AP Med574.91.0436 Predom. Dn L/M656.80.9135 5B SF Bay M/H614.80.9760 TriNum AP High520.91.1519 Predom. Dn Med565.51.0610 5B SF Bay High588.31.0200 TriNum W/L Low969.70.6188 Predom. Dn M/H506.21.1852 5B AP Low802.30.7478 TriNum W/L Med698.80.8586 Predom. Dn High465.71.2884 5B AP L/M639.70.9379 TriNum W/L Hig620.50.9670 ChiMac Up Low766.00.7833 5B AP Med568.11.0562 Predom. Upwind647.60.9266 ChiMac Up Med699.80.8574 5B AP M/H527.41.1377 Predom. Reaching574.21.0449 ChiMac Up High622.40.9640 5B AP High503.91.1908 Predom. Downwind609.40.9846 ChiMac Off Low763.30.7861 5B W/L Low1085.20.5529 Predom. Up Low861.40.6966 ChiMac Off Med676.20.8873 5B W/L L/M799.40.7506 Predom. Up L/M671.60.8934 ChiMac Off High571.91.0492 5B W/L Med688.30.8717 Predom. Up Med607.60.9874 ChiMac AP Low761.00.7884 5B W/L M/H628.60.9545 Predom. Up M/H576.01.0417 ChiMac AP Med685.50.8753 5B W/L High600.60.9990 Predom. Up High561.31.0690 ChiMac AP High595.71.0073 W/L 60-40 Low1083.60.5537 Predom. Rc Low777.60.7716 BayMac Cove Island873.00.6873 W/L 60-40 L/M806.70.7438 Predom. Rc L/M604.70.9922 BayMac Shore865.20.6935 W/L 60-40 Med703.10.8534 Predom. Rc Med541.01.1091 Harvest Moon510.01.1765 W/L 60-40 M/H650.30.9226 Predom. Rc M/H499.91.2002 5B SF Bay Low913.00.6572 W/L 60-40 High627.90.9555      SA/DSPL Up24.45SA/DSPL Dn40.29
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance626.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating626.50.9576
FinRating, kevyt tuuli1069.40.9351
FinRating, kova tuuli506.70.9869
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9576
Triple Number Coastal/Long Distance Low0.8303
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1519
Triple Number Windward/Leeward Low0.6483
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High0.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
For information
General Purpose Handicap (GPH)644.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Saronikos S All Purpose647.70.9264
Saronikos S Upwind724.40.8283
Saronikos S Downwind556.51.0782
Saronikos N All Purpose647.70.9264
Saronikos N Upwind754.70.7950
Saronikos N Downwind610.20.9832
Saronikos SW All Purpose649.30.9240
Saronikos SW Upwind737.70.8134
Saronikos SW Downwind565.61.0607
Saronikos NE All Purpose708.10.8474
Saronikos NE Upwind709.20.8461
Saronikos NE Downwind685.10.8758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose600.20.9996
5-Band All Purpose Low868.70.6907
5-Band All Purpose L/M662.40.9057
5-Band All Purpose Med585.61.0246
5-Band All Purpose M/H540.41.1102
5-Band All Purpose High513.31.1688
Single Number Predominant Upwind622.10.9644
Single Number Predominant Reaching554.21.0827
Single Number Predominant Downwind584.91.0258
5-Band 50-50 Windward/Leeward Low1085.20.5529
5-Band 50-50 Windward/Leeward L/M799.40.7506
5-Band 50-50 Windward/Leeward Med688.30.8717
5-Band 50-50 Windward/Leeward M/H628.60.9545
5-Band 50-50 Windward/Leeward High600.60.9990
5-Band 60-40 Windward/Leeward Low1083.60.5537
5-Band 60-40 Windward/Leeward L/M806.70.7438
5-Band 60-40 Windward/Leeward Med703.10.8534
5-Band 60-40 Windward/Leeward M/H650.30.9226
5-Band 60-40 Windward/Leeward High627.90.9555
Triple Number 50-50 Windward/Leeward Low969.70.6188
Triple Number 50-50 Windward/Leeward Med698.90.8585
Triple Number 50-50 Windward/Leeward High620.40.9670
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward718.60.8349
Triple Number 60-40 Windward/Leeward Low970.90.6180
Triple Number 60-40 Windward/Leeward Med712.50.8421
Triple Number 60-40 Windward/Leeward High643.50.9324
Triple Number All-Purpose Low784.20.7651
Triple Number All-Purpose Med593.01.0119
Triple Number All-Purpose High533.01.1258
Triple Number Predominant Upwind Low790.40.7591
Triple Number Predominant Upwind Med615.50.9747
Triple Number Predominant Upwind High578.31.0376
Triple Number Predominant Reaching Low710.40.8446
Triple Number Predominant Reaching Med555.81.0795
Triple Number Predominant Reaching High483.71.2405
Triple Number Predominant Downwind Low790.90.7587
Triple Number Predominant Downwind Med575.21.0431
Triple Number Predominant Downwind High484.81.2376
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low722.6
Triple Number Coastal/Long Distance Medium574.9
Triple Number Coastal/Long Distance High520.9
Triple Number Windward/Leeward Low925.5
Triple Number Windward/Leeward Medium698.8
Triple Number Windward/Leeward High620.5
Predominantly Upwind623.8
Predominantly Downwind583.7
Predominantly Reaching562.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8303
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1519
Triple Number Windward/Leeward Low0.6483
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High0.9670
Coastal/Long Distance0.9576
Predominantly Upwind0.9619
Predominantly Downwind1.0279
For information
General Purpose Handicap (GPH)644.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0380
Distanseseilas Trippeltall svak vind0.8303
Distanseseilas Trippeltall mellomvind1.0437
Distanseseilas Trippeltall sterk vind1.1519
Pølsebane Trippeltall svak vind0.6483
Pølsebane Trippeltall mellomvind0.8586
Pølsebane Trippeltall sterk vind0.9670
Motvind Singeltall0.9619
Medvind Singeltall1.0279
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Coastal/Long Distance626.50.9576
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind623.80.9619
Predominantly Downwind583.71.0279
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore587.41.0214
Cape Doctor Coastal491.21.2216
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8303
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1519
Triple Number Windward/Leeward Low0.6483
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High0.9670
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8303
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1519
Triple Number Windward/Leeward Low0.6483
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High0.9670
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Predominantly Upwind623.80.9619
Predominantly Downwind583.71.0279
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance626.50.9576
Triple Number Coastal/Long Distance Low722.60.8303
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High520.91.1519
Triple Number Windward/Leeward Low925.50.6483
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1471.11023.5781.4662.6597.3560.6530.2480.8464.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP600.20.9996 Predom. Dn High465.71.2884 5B AP M/H527.41.1377 TriNum AP Low722.60.8303 Predom. Rc Low777.60.7716 5B AP High503.91.1908 TriNum AP Med574.91.0436 Predom. Rc L/M604.70.9922 5B SF Bay Low913.00.6572 TriNum AP High520.91.1519 Predom. Rc Med541.01.1091 5B SF Bay L/M762.20.7872 TriNum W/L Low969.70.6188 Predom. Rc M/H499.91.2002 5B SF Bay Med667.00.8995 TriNum W/L Med698.80.8586 Predom. Rc High471.61.2722 5B SF Bay M/H614.80.9760 TriNum W/L Hig620.50.9670 5B W/L Low1085.20.5529 5B SF Bay High588.31.0200 Predom. Upwind647.60.9266 5B W/L L/M799.40.7506 ChiMac Up Low766.00.7833 Predom. Reaching574.21.0449 5B W/L Med688.30.8717 ChiMac Up Med699.80.8574 Predom. Downwind609.40.9846 5B W/L M/H628.60.9545 ChiMac Up High622.40.9640 Predom. Up Low861.40.6966 5B W/L High600.60.9990 ChiMac Off Low763.30.7861 Predom. Up L/M671.60.8934 W/L 60-40 Low1083.60.5537 ChiMac Off Med676.20.8873 Predom. Up Med607.60.9874 W/L 60-40 L/M806.70.7438 ChiMac Off High571.91.0492 Predom. Up M/H576.01.0417 W/L 60-40 Med703.10.8534 ChiMac AP Low761.00.7884 Predom. Up High561.31.0690 W/L 60-40 M/H650.30.9226 ChiMac AP Med685.50.8753 Predom. Dn Low884.80.6781 W/L 60-40 High627.90.9555 ChiMac AP High595.71.0073 Predom. Dn L/M656.80.9135 5B AP Low802.30.7478 BayMac Cove Island873.00.6873 Predom. Dn Med565.51.0610 5B AP L/M639.70.9379 BayMac Shore865.20.6935 Predom. Dn M/H506.21.1852 5B AP Med568.11.0562 Harvest Moon510.01.1765      SA/DSPL Up24.45SA/DSPL Dn40.29
ORC Ref  03190004EVU Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 L8.508LSM08.299Accomod. length9.340Sink (kg/mm) 13.81
VCGD-0.100VCGM-0.059 RM Rated (kg·m) 67.6Limit of positive stability(°) 120.0 Stability Index 118.0 BLR index 0.0000Default crew weight170 Declared crew weight 170
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  03190004EVU Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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  03190004EVU Issued on 25/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org