Club
Certificate
Non Spinnaker
2023

Boat

ALEXA

ITA-12815

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.5°41.4°39.6°38.4°38.2°37.8°37.8°
Beat VMG3.664.444.985.275.415.505.57
52°5.596.587.157.457.607.687.76
60°5.896.837.347.627.787.887.98
75°6.096.987.477.767.988.158.35
90°5.956.917.457.788.048.268.63
110°5.276.317.127.617.958.258.81
120°4.886.036.917.477.848.158.76
135°4.265.416.347.067.547.888.49
150°3.594.685.636.447.097.538.16
Run VMG3.114.064.905.676.386.997.78
Gybe Angles144.8°150.5°155.6°162.8°170.3°176.6°179.0°

APH: 559.0

CDL: 10.015

GPH: 631.2

CertNo: 23/3

BOAT
ClassX-412 MK2DesignerJeppesenBuilderX-YachtsAge date06/1995Series date06/1993Offset fileIX412MK2.OFFData fileI12815
HULL
Length Overall12.520 mMaximum Beam3.900 mDraft2.110 mDisplacement7,914 kgDLR7.8210IMS DivisionCruiser/RacerDynamic Allowance0.170%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.430m
CREW
Maximum weight800 kgMinimum weight600 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail43.3544.36Headsail Luffed47.1347.13Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail12.40Storm Jib13.94Heavy Weather Jib37.63
SAIL LIMITS
Headsails1  Spinnakers0 * Spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
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  03190002JV5Issued on 29/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

ALEXA

ITA-12815

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG983.3811.6723.5682.6664.9654.8646.9
52°643.5547.0503.2483.4473.9468.8463.9
60°610.8527.3490.8472.7462.5456.9450.9
75°591.2515.6482.2463.8451.2441.9431.4
90°605.1520.9483.3462.8448.0435.7417.3
110°682.9570.4505.3473.2453.0436.5408.7
120°738.2597.3521.3482.2459.3441.6410.8
135°845.1665.5567.6509.8477.7457.1424.1
150°1003.4768.8639.6559.0508.1478.0441.4
Run VMG1158.6887.5734.3634.7564.1515.2462.9
Selected Courses
Windward / Leeward1071.0849.6728.9658.7614.5585.0554.9
All purpose811.9660.8581.2537.0510.6493.2471.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward691.00.8683
All purpose559.01.0733
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8128
Downwind "popa"0.8472
70% up, 30% down "Ilhabela"0.8228
30% up, 70% down "Ilhabela-inverso"0.8366
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Predominantly Upwind588.71.0192
Predominantly Downwind589.31.0181
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low736.30.8149
Triple Number All Purpose Medium555.51.0802
Triple Number All Purpose High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Predominantly Upwind588.71.0192
Predominantly Downwind589.31.0181
Predominantly Upwind Low784.90.7644
Predominantly Upwind Medium595.11.0083
Predominantly Upwind High553.31.0844
Predominantly Downwind Low852.50.7038
Predominantly Downwind Medium596.41.0060
Predominantly Downwind High481.81.2453
Chicago-Mac Upwind1.0007
Chicago-Mac All Purpose0.9970
Chicago-Mac Downwind0.9963
Bayview-Mac Cove Island0.9282
Bayview-Mac Shore0.9492
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching532.01.1279
Predominantly Reaching Low669.90.8957
Predominantly Reaching Medium530.91.1301
Predominantly Reaching High462.91.2962
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1053.90.5693
5-Band Low / Medium871.30.6887
5-Band Medium672.70.8919
5-Band Medium / High591.11.0150
5-Band High560.11.0712
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance611.6
Triple Number Coastal/Long Distance Low736.3
Triple Number Coastal/Long Distance Medium555.5
Triple Number Coastal/Long Distance High489.5
Triple Number Windward/Leeward Low960.3
Triple Number Windward/Leeward Medium687.0
Triple Number Windward/Leeward High581.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0802
Triple Number Coastal/Long Distance High1.2257
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8734
Triple Number Windward/Leeward High1.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low736.3
Triple Number Coastal/Long Distance Medium555.5
Triple Number Coastal/Long Distance High489.5
Triple Number Windward/Leeward Low960.3
Triple Number Windward/Leeward Medium687.0
Triple Number Windward/Leeward High581.1
Predominantly Upwind588.7
Predominantly Downwind589.3
Predominantly Reaching553.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0802
Triple Number Coastal/Long Distance High1.2257
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8734
Triple Number Windward/Leeward High1.0325
Coastal/Long Distance0.9811
Predominantly Upwind1.0192
Predominantly Downwind1.0181
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8149
Tretall Distanseseilas Mellomvind1.0802
Tretall Distanseseilas Mye vind1.2257
Tretall Pølsebane Lite vind0.6248
Tretall Pølsebane Mellomvind0.8734
Tretall Pølsebane Mye vind1.0325
Distanseseilas ett tall (OSN 8-16kn)0.9811
Distanseseilas ett tall (APH 6-20kn)1.0733
Enkeltall Motvind1.0192
Enkeltall Medvind1.0181
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Coastal/Long Distance611.60.9811
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind588.71.0192
Predominantly Downwind589.31.0181
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore563.91.0639
Cape Doctor Coastal478.21.2546
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0802
Triple Number Coastal/Long Distance High1.2257
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8734
Triple Number Windward/Leeward High1.0325
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0802
Triple Number Coastal/Long Distance High1.2257
Triple Number Windward/Leeward Low0.6248
Triple Number Windward/Leeward Medium0.8734
Triple Number Windward/Leeward High1.0325
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Predominantly Upwind588.71.0192
Predominantly Downwind589.31.0181
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.60.9811
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium555.51.0802
Triple Number Coastal/Long Distance High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.7800.4656.6573.4530.3499.2454.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low736.30.8149
Triple Number All Purpose Medium555.51.0802
Triple Number All Purpose High489.51.2257
Triple Number Windward/Leeward Low960.30.6248
Triple Number Windward/Leeward Medium687.00.8734
Triple Number Windward/Leeward High581.11.0325
Predominantly Upwind588.71.0192
Predominantly Downwind589.31.0181
Predominantly Upwind Low784.90.7644
Predominantly Upwind Medium595.11.0083
Predominantly Upwind High553.31.0844
Predominantly Downwind Low852.50.7038
Predominantly Downwind Medium596.41.0060
Predominantly Downwind High481.81.2453
Chicago-Mac Upwind1.0007
Chicago-Mac All Purpose0.9970
Chicago-Mac Downwind0.9963
Bayview-Mac Cove Island0.9282
Bayview-Mac Shore0.9492
Harvest Moon Regatta488.21.2290
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy571.71.0495
San Francisco Bay Medium679.10.8836
Predominantly Reaching532.01.1279
Predominantly Reaching Low669.90.8957
Predominantly Reaching Medium530.91.1301
Predominantly Reaching High462.91.2962
Windward/Leeward 60-40 Low947.70.6331
Windward/Leeward 60-40 Medium692.30.8666
Windward/Leeward 60-40 High606.00.9901
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1053.90.5693
5-Band Low / Medium871.30.6887
5-Band Medium672.70.8919
5-Band Medium / High591.11.0150
5-Band High560.11.0712
ORC Ref  03190002JV5Issued on 29/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

ALEXA

ITA-12815

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)
ClassX-412 MK2Measurement25/04/1998HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.520Max. Beam3.900Draft2.110Displacement7,914Wetted area30.39IMS L10.458LSM010.039Acc. length12.520Sink (kg/mm) 22.06
VCGD-0.150VCGM-0.106RM Rated (kg·m) 191.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.430PBW0.109PIPA0.0034
EDL2.840ST10.048ST20.170
ST30.170ST40.099ST50.320
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3Rotating mastNo
P14.450IG16.490ISP16.550MDT10.118MDL10.216MDT20.118MDL20.182TL1.560MW0.170GO0.230
E4.900J4.880BAS1.840FSD0.032SFJSPL4.978WPLTPS0.347BD0.190MWT201.00MCG5.513
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.150Flotation Date21/04/2023MeasurerComment
SFFP0.432FFMFF1.324LCFcl6.704SG1.0170
SAFP10.968FAMFA1.046LCFsh6.977HBI1.166
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002JV5Issued on 29/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

ALEXA

ITA-12815

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.1343.35
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA5.9215.64NoNo 47.1321/04/2023
ORC Ref  03190002JV5Issued on 29/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org