International
Certificate
2023

Boat

CHILAVISTA

ITA-16204

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 Angles43.0°40.5°38.8°38.2°38.2°38.4°39.4°
Beat VMG3.474.194.624.784.854.874.80
52°5.276.146.616.806.886.926.93
60°5.546.356.787.007.107.157.19
75°5.896.656.967.217.417.547.66
90°6.096.847.257.517.697.858.15
110°5.926.787.277.718.118.479.03
120°5.636.617.187.678.158.619.49
135°5.056.186.887.387.878.419.88
150°4.295.406.286.837.197.548.31
Run VMG3.714.685.445.916.306.797.52
Gybe Angles144.2°148.4°149.6°150.1°170.9°175.4°175.7°

APH: 569.6

CDL: 8.257

GPH: 633.2

CertNo: 23/3

BOAT
ClassBonin 31DesignerCossuttiBuilderBoninAge date03/2009Series date08/2006Offset fileBONIN31.OFFData fileI16204
HULL
Length Overall9.390 mMaximum Beam3.336 mDraft1.930 mDisplacement3,185 kgDLR5.5246IMS DivisionCruiser/RacerDynamic Allowance0.100%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.350m
CREW
Maximum weight480 kgMinimum weight360 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.8030.56Headsail Luffed23.6223.62Headsail FlyingSymmetricAsymmetric74.6974.69 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail8.24Storm Jib7.84Heavy Weather Jib21.17
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment70.6 kg·mStability Index112.6
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  03190002MJKIssued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHILAVISTA

ITA-16204

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 VMG1037.2859.8779.2752.5742.4739.5749.4
52°682.7586.2545.0529.5523.3520.0519.6
60°650.0566.8530.9514.6507.4503.3500.8
75°611.0541.1517.0499.5485.5477.8470.1
90°590.7526.0496.6479.6468.3458.7441.8
110°608.1531.2495.5467.0443.7424.9398.9
120°639.4544.4501.1469.1441.7418.1379.3
135°713.0582.5523.0488.1457.2428.0364.5
150°840.0666.2573.1527.5500.8477.7433.5
Run VMG969.9769.3661.8609.0571.7530.2478.5
Selected Courses
Windward / Leeward1003.5814.5720.5680.7657.1634.9613.9
All purpose768.4642.3582.9554.1535.4520.4499.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward705.50.8504
All purpose569.61.0534
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7421
Downwind "popa"0.9150
70% up, 30% down "Ilhabela"0.7867
30% up, 70% down "Ilhabela-inverso"0.8552
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind618.10.9707
Predominantly Downwind572.61.0478
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low705.40.8506
Triple Number All Purpose Medium566.41.0594
Triple Number All Purpose High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind618.10.9707
Predominantly Downwind572.61.0478
Predominantly Upwind Low791.00.7586
Predominantly Upwind Medium641.50.9354
Predominantly Upwind High615.60.9747
Predominantly Downwind Low765.60.7837
Predominantly Downwind Medium569.91.0528
Predominantly Downwind High483.41.2413
Chicago-Mac Upwind0.9553
Chicago-Mac All Purpose0.9917
Chicago-Mac Downwind1.0318
Bayview-Mac Cove Island0.9325
Bayview-Mac Shore0.9369
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching536.31.1187
Predominantly Reaching Low635.10.9448
Predominantly Reaching Medium531.01.1300
Predominantly Reaching High473.81.2662
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low989.00.6067
5-Band Low / Medium837.00.7168
5-Band Medium690.60.8688
5-Band Medium / High639.00.9389
5-Band High617.60.9716
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance619.0
Triple Number Coastal/Long Distance Low705.4
Triple Number Coastal/Long Distance Medium566.4
Triple Number Coastal/Long Distance High516.4
Triple Number Windward/Leeward Low909.1
Triple Number Windward/Leeward Medium699.2
Triple Number Windward/Leeward High632.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8506
Triple Number Coastal/Long Distance Medium1.0594
Triple Number Coastal/Long Distance High1.1618
Triple Number Windward/Leeward Low0.6600
Triple Number Windward/Leeward Medium0.8581
Triple Number Windward/Leeward High0.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low705.4
Triple Number Coastal/Long Distance Medium566.4
Triple Number Coastal/Long Distance High516.4
Triple Number Windward/Leeward Low909.1
Triple Number Windward/Leeward Medium699.2
Triple Number Windward/Leeward High632.6
Predominantly Upwind618.1
Predominantly Downwind572.6
Predominantly Reaching547.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8506
Triple Number Coastal/Long Distance Medium1.0594
Triple Number Coastal/Long Distance High1.1618
Triple Number Windward/Leeward Low0.6600
Triple Number Windward/Leeward Medium0.8581
Triple Number Windward/Leeward High0.9485
Coastal/Long Distance0.9694
Predominantly Upwind0.9707
Predominantly Downwind1.0478
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8506
Tretall Distanseseilas Mellomvind1.0594
Tretall Distanseseilas Mye vind1.1618
Tretall Pølsebane Lite vind0.6600
Tretall Pølsebane Mellomvind0.8581
Tretall Pølsebane Mye vind0.9485
Distanseseilas ett tall (OSN 8-16kn)0.9694
Distanseseilas ett tall (APH 6-20kn)1.0534
Enkeltall Motvind0.9707
Enkeltall Medvind1.0478
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Coastal/Long Distance619.00.9694
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind618.10.9707
Predominantly Downwind572.61.0478
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore620.20.9674
Cape Doctor Coastal506.01.1857
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8506
Triple Number Coastal/Long Distance Medium1.0594
Triple Number Coastal/Long Distance High1.1618
Triple Number Windward/Leeward Low0.6600
Triple Number Windward/Leeward Medium0.8581
Triple Number Windward/Leeward High0.9485
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8506
Triple Number Coastal/Long Distance Medium1.0594
Triple Number Coastal/Long Distance High1.1618
Triple Number Windward/Leeward Low0.6600
Triple Number Windward/Leeward Medium0.8581
Triple Number Windward/Leeward High0.9485
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind618.10.9707
Predominantly Downwind572.61.0478
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.00.9694
Triple Number Coastal/Long Distance Low705.40.8506
Triple Number Coastal/Long Distance Medium566.41.0594
Triple Number Coastal/Long Distance High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.2766.8652.5591.7556.8525.6474.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low705.40.8506
Triple Number All Purpose Medium566.41.0594
Triple Number All Purpose High516.41.1618
Triple Number Windward/Leeward Low909.10.6600
Triple Number Windward/Leeward Medium699.20.8581
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind618.10.9707
Predominantly Downwind572.61.0478
Predominantly Upwind Low791.00.7586
Predominantly Upwind Medium641.50.9354
Predominantly Upwind High615.60.9747
Predominantly Downwind Low765.60.7837
Predominantly Downwind Medium569.91.0528
Predominantly Downwind High483.41.2413
Chicago-Mac Upwind0.9553
Chicago-Mac All Purpose0.9917
Chicago-Mac Downwind1.0318
Bayview-Mac Cove Island0.9325
Bayview-Mac Shore0.9369
Harvest Moon Regatta493.11.2168
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy613.90.9774
San Francisco Bay Medium686.50.8740
Predominantly Reaching536.31.1187
Predominantly Reaching Low635.10.9448
Predominantly Reaching Medium531.01.1300
Predominantly Reaching High473.81.2662
Windward/Leeward 60-40 Low916.90.6544
Windward/Leeward 60-40 Medium722.50.8304
Windward/Leeward 60-40 High670.50.8949
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low989.00.6067
5-Band Low / Medium837.00.7168
5-Band Medium690.60.8688
5-Band Medium / High639.00.9389
5-Band High617.60.9716
ORC Ref  03190002MJKIssued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHILAVISTA

ITA-16204

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 31Measurement23/05/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.390Max. Beam3.336Draft1.930Displacement3,185Wetted area18.34IMS L8.638LSM08.322Acc. length9.390Sink (kg/mm) 14.77
VCGD0.058VCGM0.111RM Rated (kg·m) 70.6Limit of positive stability(°) 118.2Stability Index112.6
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.350PBW0.103PIPA0.0026
EDL1.127ST10.042ST20.135
ST30.135ST40.088ST50.300
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.760IG12.380ISP13.470MDT10.100MDL10.145MDT20.072MDL20.105TL0.700MW0.145GO0.185
E4.000J3.530BAS1.610FSD0.040SFJ0.200SPLWPLTPS4.690BD0.120MWT71.60MCG4.230
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date23/05/2023MeasurerFIV-124Comment
SFFP0.367FFM1.309FF1.309LCFcl5.287SG1.0260
SAFP9.250FAM1.054FA1.055LCFsh5.530HBI1.188
W170.9W270.9W370.9W470.9LCFD5.230
PD1309.0PD2308.7PD3312.3PD4310.5
WD3.855PLM9000.00GSA1.0RSA1.0RM69.4
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAinoxFuel38116.20BpvcWater15005.50Total deductible96.20
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Miscellaneousautopilot57.50ABattery60 Ah engine165.70BBattery80 Ah services255.201EngineLombardini 702LDV 18 hpTotal deductible0
ORC Ref  03190002MJKIssued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHILAVISTA

ITA-16204

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.321.021.732.753.5029.8004/02/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.070.571.071.972.833.6212.32NoNo 23.6204/02/2022J-2
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA14.5012.3513.436.507.3888%74.6903/05/2021B13.6012.4213.015.116.8075%59.0703/05/2021B13.6012.4213.015.116.8075%59.0703/05/2021C0
ORC Ref  03190002MJKIssued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org