Club Certificate2026
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 Angles45.4°42.5°39.2°37.4°36.7°36.5°36.2°36.2°37.6°
Beat VMG3.044.234.985.285.425.495.555.605.51
52°4.756.387.137.387.507.577.647.737.73
60°5.116.667.317.577.717.807.898.028.05
75°5.366.817.437.808.028.168.318.548.66
90°5.236.697.407.848.228.518.709.159.51
110°4.576.387.407.998.448.799.149.8910.62
120°4.416.247.347.998.599.199.7010.7711.82
135°3.925.586.887.628.268.949.8512.2114.02
150°3.244.685.896.897.578.138.7310.7114.09
Run VMG2.804.065.105.976.607.057.569.2712.20
Gybe Angles139.0°142.2°146.0°150.0°153.4°152.1°148.7°143.1°145.4°
APH ToD:507.6CDL: 9.903APH ToT: 1.1821CertNo:26/1
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 Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.431m
CREW
Maximum weight540 kg(declared)Minimum weight410 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.7640.69Headsail Luffed30.7430.74Headsail Flying52.8152.81SymmetricAsymmetric115.67115.67 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail11.39Storm Jib10.20Heavy Weather Jib27.54
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
STABILITY
Righting Moment 109.7 kg·m Stability Index 131.7
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  03190004MNC Issued on 23/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
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 VMG1183.5851.4723.1682.1664.1655.2648.8642.8653.6
52°757.4564.1504.8488.0480.1475.3471.2465.5465.8
60°705.0540.3492.4475.3467.0461.7456.1449.0447.4
75°671.2528.7484.6461.7448.6441.1433.4421.5415.8
90°689.0538.2486.7458.9437.9423.0413.6393.4378.5
110°787.7564.2486.2450.3426.8409.6393.7364.2338.9
120°815.6577.2490.2450.7419.0391.6371.1334.2304.6
135°918.4644.7523.3472.6435.7402.7365.4294.9256.8
150°1111.7768.5610.9522.6475.3442.9412.5336.2255.5
Run VMG1283.7887.4705.4603.4545.6510.5476.3388.2295.0
Selected Courses
Windward / Leeward1233.6869.4714.3642.8604.9582.9562.5515.5474.3
All purpose930.1670.8568.5523.0496.7479.0462.8429.5404.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward623.50.9623
All purpose507.61.1821
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8629
Downwind "popa"1.0202
70% up, 30% down "Ilhabela"0.9047
30% up, 70% down "Ilhabela-inverso"0.9673
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Predominantly Upwind547.41.0961
Predominantly Downwind512.11.1717
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP524.51.1440 Predom. Rc High400.61.4977 5B SF Bay L/M661.90.9065 TriNum AP Low619.60.9683 Predom. Dn Low755.60.7940 5B SF Bay Med590.11.0168 TriNum AP Med507.11.1832 Predom. Dn L/M573.31.0465 5B SF Bay M/H542.71.1055 TriNum AP High454.31.3206 Predom. Dn Med499.81.2006 5B SF Bay High503.01.1928 TriNum W/L Low828.90.7239 Predom. Dn M/H441.71.3584 5B AP Low684.00.8772 TriNum W/L Med621.10.9660 Predom. Dn High388.31.5454 5B AP L/M556.91.0773 TriNum W/L Hig550.01.0909 ChiMac Up Low656.30.9142 5B AP Med501.31.1969 Predom. Upwind564.81.0623 ChiMac Up Med606.10.9899 5B AP M/H462.71.2966 Predom. Reaching498.11.2045 ChiMac Up High544.31.1023 5B AP High430.91.3925 Predom. Downwind530.41.1313 ChiMac Off Low659.30.9101 5B W/L Low921.70.6510 Predom. Up Low726.80.8256 ChiMac Off Med587.81.0208 5B W/L L/M695.70.8624 Predom. Up L/M582.91.0293 ChiMac Off High497.61.2057 5B W/L Med613.10.9787 Predom. Up Med536.81.1176 ChiMac AP Low654.60.9166 5B W/L M/H561.61.0685 Predom. Up M/H508.61.1798 ChiMac AP Med594.71.0089 5B W/L High516.51.1616 Predom. Up High488.41.2284 ChiMac AP High519.91.1542 W/L 60-40 Low917.80.6537 Predom. Rc Low660.20.9089 BayMac Cove Island747.00.8032 W/L 60-40 L/M700.40.8567 Predom. Rc L/M526.31.1400 BayMac Shore740.30.8105 W/L 60-40 Med624.30.9611 Predom. Rc Med475.01.2632 Harvest Moon443.31.3536 W/L 60-40 M/H579.31.0358 Predom. Rc M/H434.41.3812 5B SF Bay Low776.90.7723 W/L 60-40 High542.41.1063      SA/DSPL Up30.18SA/DSPL Dn66.53
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance550.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating550.11.0908
FinRating, kevyt tuuli907.51.1019
FinRating, kova tuuli431.41.1591
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0908
Triple Number Coastal/Long Distance Low0.9683
Triple Number Coastal/Long Distance Medium1.1833
Triple Number Coastal/Long Distance High1.3206
Triple Number Windward/Leeward Low0.7577
Triple Number Windward/Leeward Medium0.9660
Triple Number Windward/Leeward High1.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
For information
General Purpose Handicap (GPH)562.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Saronikos S All Purpose559.01.0734
Saronikos S Upwind625.70.9589
Saronikos S Downwind479.11.2523
Saronikos N All Purpose591.91.0137
Saronikos N Upwind646.60.9279
Saronikos N Downwind532.11.1276
Saronikos SW All Purpose554.91.0814
Saronikos SW Upwind631.40.9503
Saronikos SW Downwind485.11.2368
Saronikos NE All Purpose610.30.9831
Saronikos NE Upwind607.50.9877
Saronikos NE Downwind592.91.0119
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose524.51.1440
5-Band All Purpose Low737.30.8137
5-Band All Purpose L/M576.61.0405
5-Band All Purpose Med517.41.1597
5-Band All Purpose M/H474.91.2635
5-Band All Purpose High438.91.3671
Single Number Predominant Upwind545.81.0993
Single Number Predominant Reaching484.21.2392
Single Number Predominant Downwind513.61.1683
5-Band 50-50 Windward/Leeward Low921.70.6510
5-Band 50-50 Windward/Leeward L/M695.70.8624
5-Band 50-50 Windward/Leeward Med613.10.9787
5-Band 50-50 Windward/Leeward M/H561.61.0685
5-Band 50-50 Windward/Leeward High516.51.1616
5-Band 60-40 Windward/Leeward Low917.80.6537
5-Band 60-40 Windward/Leeward L/M700.40.8567
5-Band 60-40 Windward/Leeward Med624.30.9611
5-Band 60-40 Windward/Leeward M/H579.31.0358
5-Band 60-40 Windward/Leeward High542.41.1063
Triple Number 50-50 Windward/Leeward Low828.90.7239
Triple Number 50-50 Windward/Leeward Med621.20.9659
Triple Number 50-50 Windward/Leeward High550.01.0909
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward634.50.9456
Triple Number 60-40 Windward/Leeward Low827.60.7249
Triple Number 60-40 Windward/Leeward Med631.50.9501
Triple Number 60-40 Windward/Leeward High569.61.0534
Triple Number All-Purpose Low670.50.8949
Triple Number All-Purpose Med523.71.1458
Triple Number All-Purpose High465.31.2894
Triple Number Predominant Upwind Low672.50.8922
Triple Number Predominant Upwind Med543.11.1048
Triple Number Predominant Upwind High509.81.1769
Triple Number Predominant Reaching Low608.00.9869
Triple Number Predominant Reaching Med488.81.2274
Triple Number Predominant Reaching High416.91.4391
Triple Number Predominant Downwind Low679.60.8829
Triple Number Predominant Downwind Med508.91.1790
Triple Number Predominant Downwind High417.51.4370
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low619.6
Triple Number Coastal/Long Distance Medium507.1
Triple Number Coastal/Long Distance High454.3
Triple Number Windward/Leeward Low791.9
Triple Number Windward/Leeward Medium621.1
Triple Number Windward/Leeward High550.0
Predominantly Upwind547.4
Predominantly Downwind512.1
Predominantly Reaching491.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9683
Triple Number Coastal/Long Distance Medium1.1833
Triple Number Coastal/Long Distance High1.3206
Triple Number Windward/Leeward Low0.7577
Triple Number Windward/Leeward Medium0.9660
Triple Number Windward/Leeward High1.0909
Coastal/Long Distance1.0908
Predominantly Upwind1.0961
Predominantly Downwind1.1717
For information
General Purpose Handicap (GPH)562.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1821
Distanseseilas Trippeltall svak vind0.9683
Distanseseilas Trippeltall mellomvind1.1833
Distanseseilas Trippeltall sterk vind1.3206
Pølsebane Trippeltall svak vind0.7577
Pølsebane Trippeltall mellomvind0.9660
Pølsebane Trippeltall sterk vind1.0909
Motvind Singeltall1.0961
Medvind Singeltall1.1717
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Coastal/Long Distance550.11.0908
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind547.41.0961
Predominantly Downwind512.11.1717
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore486.71.2329
Cape Doctor Coastal411.81.4569
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9683
Triple Number Coastal/Long Distance Medium1.1833
Triple Number Coastal/Long Distance High1.3206
Triple Number Windward/Leeward Low0.7577
Triple Number Windward/Leeward Medium0.9660
Triple Number Windward/Leeward High1.0909
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9683
Triple Number Coastal/Long Distance Medium1.1833
Triple Number Coastal/Long Distance High1.3206
Triple Number Windward/Leeward Low0.7577
Triple Number Windward/Leeward Medium0.9660
Triple Number Windward/Leeward High1.0909
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Predominantly Upwind547.41.0961
Predominantly Downwind512.11.1717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance550.11.0908
Triple Number Coastal/Long Distance Low619.60.9683
Triple Number Coastal/Long Distance Medium507.11.1833
Triple Number Coastal/Long Distance High454.31.3206
Triple Number Windward/Leeward Low791.90.7577
Triple Number Windward/Leeward Medium621.10.9660
Triple Number Windward/Leeward High550.01.0909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1238.6871.2675.4584.0529.1496.2466.7411.2384.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP524.51.1440 Predom. Dn High388.31.5454 5B AP M/H462.71.2966 TriNum AP Low619.60.9683 Predom. Rc Low660.20.9089 5B AP High430.91.3925 TriNum AP Med507.11.1832 Predom. Rc L/M526.31.1400 5B SF Bay Low776.90.7723 TriNum AP High454.31.3206 Predom. Rc Med475.01.2632 5B SF Bay L/M661.90.9065 TriNum W/L Low828.90.7239 Predom. Rc M/H434.41.3812 5B SF Bay Med590.11.0168 TriNum W/L Med621.10.9660 Predom. Rc High400.61.4977 5B SF Bay M/H542.71.1055 TriNum W/L Hig550.01.0909 5B W/L Low921.70.6510 5B SF Bay High503.01.1928 Predom. Upwind564.81.0623 5B W/L L/M695.70.8624 ChiMac Up Low656.30.9142 Predom. Reaching498.11.2045 5B W/L Med613.10.9787 ChiMac Up Med606.10.9899 Predom. Downwind530.41.1313 5B W/L M/H561.61.0685 ChiMac Up High544.31.1023 Predom. Up Low726.80.8256 5B W/L High516.51.1616 ChiMac Off Low659.30.9101 Predom. Up L/M582.91.0293 W/L 60-40 Low917.80.6537 ChiMac Off Med587.81.0208 Predom. Up Med536.81.1176 W/L 60-40 L/M700.40.8567 ChiMac Off High497.61.2057 Predom. Up M/H508.61.1798 W/L 60-40 Med624.30.9611 ChiMac AP Low654.60.9166 Predom. Up High488.41.2284 W/L 60-40 M/H579.31.0358 ChiMac AP Med594.71.0089 Predom. Dn Low755.60.7940 W/L 60-40 High542.41.1063 ChiMac AP High519.91.1542 Predom. Dn L/M573.31.0465 5B AP Low684.00.8772 BayMac Cove Island747.00.8032 Predom. Dn Med499.81.2006 5B AP L/M556.91.0773 BayMac Shore740.30.8105 Predom. Dn M/H441.71.3584 5B AP Med501.31.1969 Harvest Moon443.31.3536      SA/DSPL Up30.18SA/DSPL Dn66.53
ORC Ref  03190004MNC Issued on 23/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
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
Length overall10.790Maximum beam3.232Draft2.353Displacement3,548Wetted area21.63IMS L9.694LSM09.241Accomod. length10.504Sink (kg/mm) 16.55
VCGD-0.500VCGM-0.405 RM Rated (kg·m) 109.7Limit of positive stability(°) 134.3 Stability Index 131.7 BLR index 0.0000Default crew weight615 Declared crew weight 540
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.431PBW0.100PIPA0.0033
EDL1.510ST10.038ST20.180
ST30.180ST40.112ST50.280
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders3Rotating mastNo
P13.550IG14.281ISP15.250MDT10.116MDL10.173MDT20.110MDL20.118TL1.078MW0.173GO0.173
E4.800J3.710BAS1.556FSDNo FoilSFJ0.600SPLWPLTPS4.930BD0.160MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.500Flotation Date11/04/2025
SFFP0.275FFM1.141FF1.141LCFcl5.916SG1.0250
SAFP10.622FAM0.941FA0.941LCFsh6.121HBI1.065
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004MNC Issued on 23/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SILPHEAITA-12521
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.351.161.923.124.1139.7620/04/2026
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
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverYes (manual)BoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03190004MNC Issued on 23/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org