International
Certificate
2023

Boat

SOUND OF SILENCE

ITA-17127

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°41.2°40.0°39.4°38.8°38.8°39.3°
Beat VMG3.634.424.905.095.205.265.28
52°5.576.597.137.357.457.537.59
60°5.886.857.357.607.717.797.88
75°6.117.047.547.868.118.268.44
90°5.986.997.567.958.318.629.07
110°5.997.177.808.288.628.919.44
120°5.837.067.768.328.879.3510.10
135°5.196.507.407.998.599.2310.79
150°4.385.576.607.357.798.209.40
Run VMG3.804.825.716.366.757.178.14
Gybe Angles143.3°146.9°147.8°149.6°149.6°173.0°143.0°

APH: 533.0

CDL: 9.653

GPH: 596.9

CertNo: 23/1

BOAT
ClassBonin 358DesignerCossuttiBuilderBoninAge date05/2015Series date01/2012Offset fileBONIN358-ITA17127.offData fileI17127
HULL
Length Overall10.860 mMaximum Beam3.540 mDraft2.105 mDisplacement4,867 kgDLR4.5370IMS DivisionCruiser/RacerDynamic Allowance0.170%Age Allowance0.357%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight670 kgMinimum weight503 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.8639.72Headsail Luffed32.1232.12Headsail Flying26.8038.85SymmetricAsymmetric110.14110.14 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.60Storm Jib9.41Heavy Weather Jib25.40
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment96.5 kg·mStability Index125.5
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  03190002EH0Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

SOUND OF SILENCE

ITA-17127

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 VMG992.4814.0735.3706.6692.7684.5681.7
52°646.5546.7505.0489.6483.0478.1474.0
60°611.8525.7489.6473.6467.0461.9456.7
75°589.5511.5477.6457.8444.1435.7426.6
90°602.3514.9476.1452.8433.4417.5397.1
110°601.2502.3461.5435.0417.7404.1381.2
120°617.7510.0464.1432.7406.1384.9356.6
135°693.3553.8486.2450.4418.9389.8333.5
150°821.5646.5545.6490.1462.0439.0383.2
Run VMG948.6746.5630.0565.9533.4501.8442.4
Selected Courses
Windward / Leeward970.5780.3682.7636.2613.1593.2562.0
All purpose745.4611.9547.8515.8496.5481.1456.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward664.00.9036
All purpose533.01.1257
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7914
Downwind "popa"0.9614
70% up, 30% down "Ilhabela"0.8357
30% up, 70% down "Ilhabela-inverso"0.9032
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Predominantly Upwind578.91.0364
Predominantly Downwind538.11.1150
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low678.70.8841
Triple Number All Purpose Medium529.71.1328
Triple Number All Purpose High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Predominantly Upwind578.91.0364
Predominantly Downwind538.11.1150
Predominantly Upwind Low756.60.7930
Predominantly Upwind Medium600.30.9994
Predominantly Upwind High565.91.0602
Predominantly Downwind Low741.60.8091
Predominantly Downwind Medium534.41.1228
Predominantly Downwind High447.01.3422
Chicago-Mac Upwind1.0187
Chicago-Mac All Purpose1.0548
Chicago-Mac Downwind1.0962
Bayview-Mac Cove Island0.9848
Bayview-Mac Shore0.9935
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching503.21.1925
Predominantly Reaching Low614.90.9757
Predominantly Reaching Medium498.21.2044
Predominantly Reaching High434.11.3820
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low955.80.6277
5-Band Low / Medium801.60.7485
5-Band Medium648.50.9252
5-Band Medium / High594.91.0085
5-Band High567.41.0574
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance580.5
Triple Number Coastal/Long Distance Low678.7
Triple Number Coastal/Long Distance Medium529.7
Triple Number Coastal/Long Distance High475.7
Triple Number Windward/Leeward Low875.4
Triple Number Windward/Leeward Medium657.9
Triple Number Windward/Leeward High586.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8841
Triple Number Coastal/Long Distance Medium1.1328
Triple Number Coastal/Long Distance High1.2613
Triple Number Windward/Leeward Low0.6854
Triple Number Windward/Leeward Medium0.9120
Triple Number Windward/Leeward High1.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low678.7
Triple Number Coastal/Long Distance Medium529.7
Triple Number Coastal/Long Distance High475.7
Triple Number Windward/Leeward Low875.4
Triple Number Windward/Leeward Medium657.9
Triple Number Windward/Leeward High586.5
Predominantly Upwind578.9
Predominantly Downwind538.1
Predominantly Reaching514.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8841
Triple Number Coastal/Long Distance Medium1.1328
Triple Number Coastal/Long Distance High1.2613
Triple Number Windward/Leeward Low0.6854
Triple Number Windward/Leeward Medium0.9120
Triple Number Windward/Leeward High1.0231
Coastal/Long Distance1.0335
Predominantly Upwind1.0364
Predominantly Downwind1.1150
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8841
Tretall Distanseseilas Mellomvind1.1328
Tretall Distanseseilas Mye vind1.2613
Tretall Pølsebane Lite vind0.6854
Tretall Pølsebane Mellomvind0.9120
Tretall Pølsebane Mye vind1.0231
Distanseseilas ett tall (OSN 8-16kn)1.0335
Distanseseilas ett tall (APH 6-20kn)1.1257
Enkeltall Motvind1.0364
Enkeltall Medvind1.1150
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Coastal/Long Distance580.51.0335
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind578.91.0364
Predominantly Downwind538.11.1150
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore571.41.0501
Cape Doctor Coastal463.81.2936
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8841
Triple Number Coastal/Long Distance Medium1.1328
Triple Number Coastal/Long Distance High1.2613
Triple Number Windward/Leeward Low0.6854
Triple Number Windward/Leeward Medium0.9120
Triple Number Windward/Leeward High1.0231
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8841
Triple Number Coastal/Long Distance Medium1.1328
Triple Number Coastal/Long Distance High1.2613
Triple Number Windward/Leeward Low0.6854
Triple Number Windward/Leeward Medium0.9120
Triple Number Windward/Leeward High1.0231
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Predominantly Upwind578.91.0364
Predominantly Downwind538.11.1150
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance580.51.0335
Triple Number Coastal/Long Distance Low678.70.8841
Triple Number Coastal/Long Distance Medium529.71.1328
Triple Number Coastal/Long Distance High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.3734.1616.2551.6516.1484.9433.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low678.70.8841
Triple Number All Purpose Medium529.71.1328
Triple Number All Purpose High475.71.2613
Triple Number Windward/Leeward Low875.40.6854
Triple Number Windward/Leeward Medium657.90.9120
Triple Number Windward/Leeward High586.51.0231
Predominantly Upwind578.91.0364
Predominantly Downwind538.11.1150
Predominantly Upwind Low756.60.7930
Predominantly Upwind Medium600.30.9994
Predominantly Upwind High565.91.0602
Predominantly Downwind Low741.60.8091
Predominantly Downwind Medium534.41.1228
Predominantly Downwind High447.01.3422
Chicago-Mac Upwind1.0187
Chicago-Mac All Purpose1.0548
Chicago-Mac Downwind1.0962
Bayview-Mac Cove Island0.9848
Bayview-Mac Shore0.9935
Harvest Moon Regatta456.91.3133
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy567.31.0577
San Francisco Bay Medium646.30.9283
Predominantly Reaching503.21.1925
Predominantly Reaching Low614.90.9757
Predominantly Reaching Medium498.21.2044
Predominantly Reaching High434.11.3820
Windward/Leeward 60-40 Low880.90.6811
Windward/Leeward 60-40 Medium679.60.8829
Windward/Leeward 60-40 High620.20.9675
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low955.80.6277
5-Band Low / Medium801.60.7485
5-Band Medium648.50.9252
5-Band Medium / High594.91.0085
5-Band High567.41.0574
ORC Ref  03190002EH0Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

SOUND OF SILENCE

ITA-17127

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)
ClassBonin 358Measurement21/05/2019HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.860Max. Beam3.540Draft2.105Displacement4,867Wetted area24.94IMS L10.374LSM010.236Acc. length10.860Sink (kg/mm) 18.11
VCGD-0.149VCGM-0.106RM Rated (kg·m) 96.5Limit of positive stability(°) 126.1Stability Index125.5
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.115PIPA0.0026
EDL1.436ST10.040ST20.132
ST30.132ST40.090ST50.265
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.120IG13.546ISP15.036MDT10.115MDL10.175MDT20.105MDL20.155TL0.700MW0.175GO0.225
E5.050J4.050BAS1.656FSD0.034SFJ0.320SPLWPLTPS5.100BD0.155MWT114.20MCG4.970
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date30/08/2020MeasurerFIV-162CommentCondizioni ottime
SFFP0.420FFM1.298FF1.298LCFcl5.985SG1.0250
SAFP10.750FAM1.039FA1.041LCFsh6.195HBI1.182
W158.8W258.8W358.8W458.8
PD1564.8PD2569.8PD3561.1PD4569.3
WD11.820PLM9000.00GSA1.0RSA1.0RM96.7
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGAFixed8 lead blocks port-cl-stbd1085.90BFixed4 lead blocks port-stbd535.30Fixed Ballast Total161
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGApvc portWater8004.30Bpvc stbdWater8004.30CpvcFuel83207.10Total deductible177.10
OTHER ITEMSIdKindDescriptionWeightLCGVCGABattery50 Ah engine port276.95BBattery80 Ah services port326.80AEngineLombardini 30 hpTotal deductible0
ORC Ref  03190002EH0Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

SOUND OF SILENCE

ITA-17127

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.281.091.853.144.1838.8617/02/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentF0.120.741.372.453.464.4313.55NoNo 32.1217/06/2022B0.100.701.282.273.234.2513.05YesNo 29.0804/02/2018JMD0.000.000.000.000.004.1412.72NoYes026.8004/02/2018staysailC0.110.581.082.063.034.0413.02YesNo 26.7604/02/2018JHE3.6812.90NoNo 24.1619/05/2019Windseeker
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentD16.0714.5815.338.519.0894%110.1419/05/2019A1
ORC Ref  03190002EH0Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org