International
Certificate
2023

Boat

CHESTRESS 3

ITA-16221

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 Angles42.6°40.6°39.0°37.6°37.0°36.9°36.9°
Beat VMG3.804.645.215.495.635.725.78
52°5.776.847.437.707.837.917.99
60°6.077.077.617.888.038.128.22
75°6.267.217.738.058.288.448.64
90°6.127.277.798.078.378.639.04
110°6.227.418.028.438.728.969.41
120°6.077.307.968.448.899.319.96
135°5.456.777.638.178.679.1810.47
150°4.605.826.867.588.008.359.09
Run VMG3.995.045.946.576.937.378.18
Gybe Angles143.3°146.9°148.7°150.5°150.5°173.0°175.7°

APH: 512.1

CDL: 10.738

GPH: 573.2

CertNo: 23/1

BOAT
ClassJ 122DesignerJohnstoneBuilderJ BoatsAge date01/2009Series date01/2006Offset fileI16221.OFFData fileI16221
HULL
Length Overall12.190 mMaximum Beam3.638 mDraft2.387 mDisplacement7,398 kgDLR5.7733IMS DivisionCruiser/RacerDynamic Allowance0.120%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight680 kgMinimum weight510 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail48.5449.52Headsail Luffed42.8842.88Headsail FlyingSymmetricAsymmetric144.58144.58 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.22Storm Jib14.16Heavy Weather Jib38.21
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment200.5 kg·mStability Index130.7
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  03190002C94Issued on 08/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHESTRESS 3

ITA-16221

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 VMG946.7775.2690.7655.4638.9629.7622.3
52°623.5526.6484.5467.4459.9455.2450.6
60°593.4509.2473.2456.8448.3443.3437.8
75°575.1499.0465.8447.4434.8426.3416.8
90°588.0495.4462.4446.4430.3417.1398.2
110°578.4485.9449.1427.2412.7401.7382.6
120°592.6493.2452.2426.4404.8386.5361.3
135°661.1532.1471.8440.5415.3392.2343.9
150°782.3618.5524.9474.6450.0431.2396.1
Run VMG903.3714.2606.1547.9519.3488.6439.8
Selected Courses
Windward / Leeward925.0744.7648.4601.6579.1559.1531.1
All purpose714.7587.3525.5495.1477.5463.5442.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward629.20.9536
All purpose512.11.1717
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8470
Downwind "popa"0.9954
70% up, 30% down "Ilhabela"0.8866
30% up, 70% down "Ilhabela-inverso"0.9457
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Predominantly Upwind551.61.0878
Predominantly Downwind520.21.1533
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low651.00.9217
Triple Number All Purpose Medium508.51.1799
Triple Number All Purpose High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Predominantly Upwind551.61.0878
Predominantly Downwind520.21.1533
Predominantly Upwind Low724.00.8287
Predominantly Upwind Medium568.11.0561
Predominantly Upwind High531.31.1294
Predominantly Downwind Low709.30.8458
Predominantly Downwind Medium517.71.1589
Predominantly Downwind High441.31.3596
Chicago-Mac Upwind1.0695
Chicago-Mac All Purpose1.0986
Chicago-Mac Downwind1.1347
Bayview-Mac Cove Island1.0233
Bayview-Mac Shore1.0329
Victoria-Maui1.2011
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance555.9
Triple Number Coastal/Long Distance Low651.0
Triple Number Coastal/Long Distance Medium508.5
Triple Number Coastal/Long Distance High459.1
Triple Number Windward/Leeward Low834.8
Triple Number Windward/Leeward Medium623.5
Triple Number Windward/Leeward High553.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9217
Triple Number Coastal/Long Distance Medium1.1799
Triple Number Coastal/Long Distance High1.3069
Triple Number Windward/Leeward Low0.7187
Triple Number Windward/Leeward Medium0.9623
Triple Number Windward/Leeward High1.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low651.0
Triple Number Coastal/Long Distance Medium508.5
Triple Number Coastal/Long Distance High459.1
Triple Number Windward/Leeward Low834.8
Triple Number Windward/Leeward Medium623.5
Triple Number Windward/Leeward High553.6
Predominantly Upwind551.6
Predominantly Downwind520.2
Predominantly Reaching498.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9217
Triple Number Coastal/Long Distance Medium1.1799
Triple Number Coastal/Long Distance High1.3069
Triple Number Windward/Leeward Low0.7187
Triple Number Windward/Leeward Medium0.9623
Triple Number Windward/Leeward High1.0838
Coastal/Long Distance1.0792
Predominantly Upwind1.0878
Predominantly Downwind1.1533
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9217
Tretall Distanseseilas Mellomvind1.1799
Tretall Distanseseilas Mye vind1.3069
Tretall Pølsebane Lite vind0.7187
Tretall Pølsebane Mellomvind0.9623
Tretall Pølsebane Mye vind1.0838
Distanseseilas ett tall (OSN 8-16kn)1.0792
Distanseseilas ett tall (APH 6-20kn)1.1717
Enkeltall Motvind1.0878
Enkeltall Medvind1.1533
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Coastal/Long Distance555.91.0792
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind551.61.0878
Predominantly Downwind520.21.1533
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore539.51.1122
Cape Doctor Coastal448.81.3370
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9217
Triple Number Coastal/Long Distance Medium1.1799
Triple Number Coastal/Long Distance High1.3069
Triple Number Windward/Leeward Low0.7187
Triple Number Windward/Leeward Medium0.9623
Triple Number Windward/Leeward High1.0838
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9217
Triple Number Coastal/Long Distance Medium1.1799
Triple Number Coastal/Long Distance High1.3069
Triple Number Windward/Leeward Low0.7187
Triple Number Windward/Leeward Medium0.9623
Triple Number Windward/Leeward High1.0838
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Predominantly Upwind551.61.0878
Predominantly Downwind520.21.1533
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.91.0792
Triple Number Coastal/Long Distance Low651.00.9217
Triple Number Coastal/Long Distance Medium508.51.1799
Triple Number Coastal/Long Distance High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance922.8701.6588.1527.1495.2468.0425.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low651.00.9217
Triple Number All Purpose Medium508.51.1799
Triple Number All Purpose High459.11.3069
Triple Number Windward/Leeward Low834.80.7187
Triple Number Windward/Leeward Medium623.50.9623
Triple Number Windward/Leeward High553.61.0838
Predominantly Upwind551.61.0878
Predominantly Downwind520.21.1533
Predominantly Upwind Low724.00.8287
Predominantly Upwind Medium568.11.0561
Predominantly Upwind High531.31.1294
Predominantly Downwind Low709.30.8458
Predominantly Downwind Medium517.71.1589
Predominantly Downwind High441.31.3596
Chicago-Mac Upwind1.0695
Chicago-Mac All Purpose1.0986
Chicago-Mac Downwind1.1347
Bayview-Mac Cove Island1.0233
Bayview-Mac Shore1.0329
Harvest Moon Regatta449.01.3363
Victoria-Maui1.2011
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy536.91.1176
San Francisco Bay Medium613.70.9776
Predominantly Reaching1.2309
Predominantly Reaching Low1.0146
Predominantly Reaching Medium1.2437
Predominantly Reaching High1.4053
Windward/Leeward 60-40 Low840.10.7142
Windward/Leeward 60-40 Medium640.40.9369
Windward/Leeward 60-40 High579.31.0357
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low911.10.6585
5-Band Low / Medium763.70.7857
5-Band Medium614.00.9771
5-Band Medium / High561.41.0688
5-Band High535.91.1196
ORC Ref  03190002C94Issued on 08/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHESTRESS 3

ITA-16221

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)
ClassJ 122Measurement30/01/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.190Max. Beam3.638Draft2.387Displacement7,398Wetted area31.39IMS L11.093LSM010.861Acc. length11.823Sink (kg/mm) 23.25
VCGD-0.146VCGM-0.181RM Rated (kg·m) 200.5Limit of positive stability(°) 126.1Stability Index130.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBW0.115PIPA0.0039
EDL2.400ST10.065ST20.180
ST30.180ST40.110ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.330IG16.660ISP17.570MDT10.130MDL10.245MDT20.120MDL20.200TL0.550MW0.245GO0.290
E5.300J4.630BAS1.710FSD0.034SFJ0.300SPLWPLTPS6.290BD0.245MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/02/2020MeasurerFIV-122Comment
SFFP0.300FFM1.353FF1.353LCFcl6.754SG1.0250
SAFP11.850FAM0.976FA0.976LCFsh6.985HBI1.139
W194.5W294.5W394.5W494.5
PD1521.3PD2520.9PD3521.0PD4522.4
WD14.000PLM9000.00GSA1.0RSA1.0RM199.8
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGBinoxWater17205.43AinoxFuel10005.23Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCGBBattery80 Ah7.88ABattery2x150 Ah6.23AEngineVolvo Penta D2Total deductible
ORC Ref  03190002C94Issued on 08/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHESTRESS 3

ITA-16221

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentD0.161.121.983.454.4848.5411/03/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentD0.140.821.522.773.844.9416.20NoNo 42.8809/04/2018
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentJ19.2516.8518.059.579.7898%144.5811/03/2022A1.5I19.2715.7017.499.8510.1597%144.4011/03/2022A2K19.1316.0217.589.6010.7889%144.0630/01/2023F19.2716.5317.909.369.9194%141.2617/10/2019D18.7014.7016.709.178.42109%125.5322/08/2013
ORC Ref  03190002C94Issued on 08/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org