Club Certificate2025
SILPHEAITA-12521
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 Angles42.3°42.3°39.1°37.3°36.6°36.4°36.0°36.0°37.3°
Beat VMG3.164.264.995.295.435.515.575.635.53
52°5.006.417.147.387.507.587.657.757.75
60°5.306.697.327.587.717.817.908.038.07
75°5.466.847.457.818.038.178.328.558.67
90°5.316.727.417.868.248.528.719.169.47
110°4.836.407.418.008.448.809.159.8410.52
120°4.656.257.358.008.609.209.6710.6711.87
135°3.995.616.897.628.278.959.7912.3214.24
150°3.324.715.926.907.588.138.7310.6814.23
Run VMG2.874.085.125.986.607.067.569.2512.32
Gybe Angles142.2°142.2°146.0°150.3°153.5°152.3°149.6°141.2°145.7°
APH ToD:506.7CDL: 9.928APH ToT: 1.1841CertNo:25/2
BOAT
ClassExtreme 354 mod.DesignerMolfesiBuilderNauticamaniaAge date08/1993Series date02/1993Offset fileSILPHEACL.offData fileI12521
HULL
Length Overall10.790 mMaximum Beam3.232 mDraft2.353 mDisplacement3,548 kgDLR4.4948IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.431m
CREW
Maximum weight560 kg(declared)Minimum weight430 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.6341.60Headsail Luffed30.7430.74Headsail Flying52.8152.81SymmetricAsymmetric115.67115.67 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.53Storm Jib10.20Heavy Weather Jib27.54
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
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.
Club Certificate2025
SILPHEAITA-12521
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 VMG1141.0846.0720.8680.7662.8653.5646.1639.8650.8
52°720.7561.2504.0487.6479.8475.0470.4464.6464.8
60°678.8537.9491.5475.0466.7461.2455.4448.2446.4
75°659.4526.6483.5461.0448.3440.8432.8420.8415.2
90°678.2535.8485.6458.0437.1422.6413.4393.2380.0
110°745.4562.7485.6449.8426.3409.1393.4365.8342.1
120°774.3575.9489.7450.3418.6391.5372.2337.3303.4
135°901.9641.7522.4472.3435.4402.4367.8292.2252.9
150°1085.0764.9608.6521.4475.1442.6412.5337.1253.0
Run VMG1253.8883.2702.8602.0545.2510.1476.3389.2292.2
Selected Courses
Windward / Leeward1196.6864.6711.8641.4604.0581.8561.2514.5471.5
All purpose897.7667.6567.0522.2496.1478.4462.3428.9403.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward622.10.9645
All purpose506.71.1841
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8660
Downwind "popa"1.0222
70% up, 30% down "Ilhabela"0.9076
30% up, 70% down "Ilhabela-inverso"0.9697
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Predominantly Upwind546.41.0981
Predominantly Downwind511.51.1730
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low617.30.9720
Triple Number AP Medium506.31.1850
Triple Number AP High453.81.3221
Triple Number Windward/Leeward Low822.10.7299
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Single Number Predominant Upwind562.11.0675
Single Number Predominant Reaching496.31.2091
Single Number Predominant Downwind528.31.1357
Predominant Upwind - Low716.60.8373
Predominant Upwind - Low/Med581.41.0319
Predominant Upwind - Medium536.01.1194
Predominant Upwind - Med/High507.61.1820
Predominant Upwind - High487.01.2321
Predominant Downwind Low747.40.8027
Predominant Downwind Low/Med571.91.0492
Predominant Downwind Medium499.21.2019
Predominant Downwind Med/High441.71.3585
Predominant Downwind High387.31.5493
Predominant Reaching Low653.10.9188
Predominant Reaching Low/Med525.11.1427
Predominant Reaching Medium474.41.2647
Predominant Reaching Med/High434.21.3819
Predominant Reaching High399.71.5012
SA/DSPL Upwind30.55SA/DSPL Downwind66.90
Scoring OptionTODTOT
5-Band Windward/Leeward Low909.60.6596
5-Band Windward/Leeward Low/Med693.50.8651
5-Band Windward/Leeward Medium611.90.9805
5-Band Windward/Leeward Med/High560.41.0707
5-Band Windward/Leeward High515.11.1647
Windward/Leeward 60-40 Low905.40.6627
Windward/Leeward 60-40 Low/Med698.10.8594
Windward/Leeward 60-40 Medium623.10.9630
Windward/Leeward 60-40 Med/High577.91.0383
Windward/Leeward 60-40 High540.71.1097
5-Band AP Low675.10.8887
5-Band AP Low/Med555.61.0800
5-Band AP Medium500.61.1986
5-Band AP Med/High462.21.2980
5-Band AP High430.21.3946
5-Band SF Bay Tour - Low786.10.7632
5-Band SF Bay Tour - Low/Med662.40.9058
5-Band SF Bay Tour - Medium589.01.0186
5-Band SF Bay Tour - Med/High541.61.1078
5-Band SF Bay Tour - High501.51.1963
Chicago-Mac Upwind1.0417
Chicago-Mac All Purpose1.0710
Chicago-Mac Downwind1.0942
Bayview-Mac Cove Island0.8148
Bayview-Mac Shore0.8217
Harvest Moon Regatta437.81.3704
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance549.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating549.11.0928
FinRating, kevyt tuuli892.51.1205
FinRating, kova tuuli430.71.1608
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0928
Triple Number Coastal/Long Distance Low0.9720
Triple Number Coastal/Long Distance Medium1.1851
Triple Number Coastal/Long Distance High1.3221
Triple Number Windward/Leeward Low0.7612
Triple Number Windward/Leeward Medium0.9679
Triple Number Windward/Leeward High1.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
For information
General Purpose Handicap (GPH)561.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low617.3
Triple Number Coastal/Long Distance Medium506.3
Triple Number Coastal/Long Distance High453.8
Triple Number Windward/Leeward Low788.2
Triple Number Windward/Leeward Medium619.9
Triple Number Windward/Leeward High548.8
Predominantly Upwind546.4
Predominantly Downwind511.5
Predominantly Reaching490.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9720
Triple Number Coastal/Long Distance Medium1.1851
Triple Number Coastal/Long Distance High1.3221
Triple Number Windward/Leeward Low0.7612
Triple Number Windward/Leeward Medium0.9679
Triple Number Windward/Leeward High1.0932
Coastal/Long Distance1.0928
Predominantly Upwind1.0981
Predominantly Downwind1.1730
For information
General Purpose Handicap (GPH)561.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1841
Distanseseilas Trippeltall svak vind0.9720
Distanseseilas Trippeltall mellomvind1.1851
Distanseseilas Trippeltall sterk vind1.3221
Pølsebane Trippeltall svak vind0.7612
Pølsebane Trippeltall mellomvind0.9679
Pølsebane Trippeltall sterk vind1.0932
Motvind Singeltall1.0981
Medvind Singeltall1.1730
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Coastal/Long Distance549.11.0928
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind546.41.0981
Predominantly Downwind511.51.1730
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore484.41.2387
Cape Doctor Coastal410.81.4606
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9720
Triple Number Coastal/Long Distance Medium1.1851
Triple Number Coastal/Long Distance High1.3221
Triple Number Windward/Leeward Low0.7612
Triple Number Windward/Leeward Medium0.9679
Triple Number Windward/Leeward High1.0932
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9720
Triple Number Coastal/Long Distance Medium1.1851
Triple Number Coastal/Long Distance High1.3221
Triple Number Windward/Leeward Low0.7612
Triple Number Windward/Leeward Medium0.9679
Triple Number Windward/Leeward High1.0932
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Predominantly Upwind546.41.0981
Predominantly Downwind511.51.1730
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance549.11.0928
Triple Number Coastal/Long Distance Low617.30.9720
Triple Number Coastal/Long Distance Medium506.31.1851
Triple Number Coastal/Long Distance High453.81.3221
Triple Number Windward/Leeward Low788.20.7612
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1272.7866.5673.2582.8528.4495.6466.3411.6383.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low617.30.9720
Triple Number AP Medium506.31.1850
Triple Number AP High453.81.3221
Triple Number Windward/Leeward Low822.10.7299
Triple Number Windward/Leeward Medium619.90.9679
Triple Number Windward/Leeward High548.81.0932
Single Number Predominant Upwind562.11.0675
Single Number Predominant Reaching496.31.2091
Single Number Predominant Downwind528.31.1357
Predominant Upwind - Low716.60.8373
Predominant Upwind - Low/Med581.41.0319
Predominant Upwind - Medium536.01.1194
Predominant Upwind - Med/High507.61.1820
Predominant Upwind - High487.01.2321
Predominant Downwind Low747.40.8027
Predominant Downwind Low/Med571.91.0492
Predominant Downwind Medium499.21.2019
Predominant Downwind Med/High441.71.3585
Predominant Downwind High387.31.5493
Predominant Reaching Low653.10.9188
Predominant Reaching Low/Med525.11.1427
Predominant Reaching Medium474.41.2647
Predominant Reaching Med/High434.21.3819
Predominant Reaching High399.71.5012
SA/DSPL Upwind30.55SA/DSPL Downwind66.90
Scoring OptionTODTOT
5-Band Windward/Leeward Low909.60.6596
5-Band Windward/Leeward Low/Med693.50.8651
5-Band Windward/Leeward Medium611.90.9805
5-Band Windward/Leeward Med/High560.41.0707
5-Band Windward/Leeward High515.11.1647
Windward/Leeward 60-40 Low905.40.6627
Windward/Leeward 60-40 Low/Med698.10.8594
Windward/Leeward 60-40 Medium623.10.9630
Windward/Leeward 60-40 Med/High577.91.0383
Windward/Leeward 60-40 High540.71.1097
5-Band AP Low675.10.8887
5-Band AP Low/Med555.61.0800
5-Band AP Medium500.61.1986
5-Band AP Med/High462.21.2980
5-Band AP High430.21.3946
5-Band SF Bay Tour - Low786.10.7632
5-Band SF Bay Tour - Low/Med662.40.9058
5-Band SF Bay Tour - Medium589.01.0186
5-Band SF Bay Tour - Med/High541.61.1078
5-Band SF Bay Tour - High501.51.1963
Chicago-Mac Upwind1.0417
Chicago-Mac All Purpose1.0710
Chicago-Mac Downwind1.0942
Bayview-Mac Cove Island0.8148
Bayview-Mac Shore0.8217
Harvest Moon Regatta437.81.3704
Club Certificate2025
SILPHEAITA-12521
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)
ClassExtreme 354 mod.Measurement11/04/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.790Max. Beam3.232Draft2.353Displacement3,548Wetted area21.63IMS L9.704LSM09.241Acc. length10.504Sink (kg/mm) 16.55
VCGD-0.500VCGM-0.405RM Rated (kg·m) 109.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight615Declared crew weight560
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.431PBW0.100PIPA0.0033
EDL1.510ST10.038ST20.180
ST30.180ST40.112ST50.280
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders3Rotating mastNo
P13.720IG14.281ISP15.250MDT10.116MDL10.173MDT20.110MDL20.118TL1.078MW0.173GO0.173
E4.800J3.710BAS1.556FSDNo FoilSFJ0.620SPLWPLTPS4.930BD0.160MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.500Flotation Date11/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
SILPHEAITA-12521
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.381.171.983.204.0840.6311/04/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentB0.050.921.803.355.236.7415.37NoYes052.8111/04/2025A0.090.651.222.263.204.0614.15YesNo 30.7411/04/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA16.2014.8815.548.958.86101%115.6711/04/2025