International
Certificate
2023

Boat

NAMBAWAN

ITA-15083

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°39.3°38.2°37.8°38.2°38.8°
Beat VMG3.844.655.165.405.525.595.62
52°5.826.847.417.687.817.887.95
60°6.127.087.617.898.038.128.21
75°6.327.247.758.078.318.488.67
90°6.197.187.748.118.428.709.12
110°6.077.277.938.378.728.969.35
120°5.917.157.878.368.819.259.86
135°5.326.607.508.058.539.0210.14
150°4.485.696.737.518.038.499.47
Run VMG3.884.925.836.597.217.768.63
Gybe Angles142.0°147.5°151.4°156.4°164.6°175.4°177.2°

APH: 515.1

CDL: 10.585

GPH: 576.9

CertNo: 23/1

BOAT
ClassComet 41SDesignerA.Vallicelli & C.BuilderComar YAchtsAge date09/2006Series date08/2005Offset fileCOM41SBT.offData fileI15083
HULL
Length Overall12.469 mMaximum Beam3.928 mDraft2.475 mDisplacement7,349 kgDLR5.7435IMS DivisionCruiser/RacerDynamic Allowance0.040%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFeathering 3 bladesDiameter0.457m
CREW
Maximum weight700 kgMinimum weight525 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.7552.87Headsail Luffed43.0043.00Headsail FlyingSymmetric122.52122.53Asymmetric
STORM SAIL AREAS (m²)
Trysail15.18Storm Jib12.95Heavy Weather Jib34.96
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment196.6 kg·mStability Index127.5
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  03190002EFUIssued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

NAMBAWAN

ITA-15083

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 VMG937.8774.6697.5666.3651.9644.5640.7
52°618.4526.2485.7468.6461.2456.8452.9
60°588.6508.3473.0456.4448.4443.5438.5
75°569.9497.0464.3445.8433.0424.6415.3
90°581.4501.4464.8443.9427.5413.9394.7
110°593.1495.0453.7430.0412.9401.9384.9
120°609.0503.6457.5430.7408.5389.3365.2
135°676.2545.5480.1446.9421.9399.0354.9
150°803.1633.2535.3479.4448.1424.1380.3
Run VMG927.3731.2617.6546.4499.2463.8417.4
Selected Courses
Windward / Leeward932.5752.9657.5606.3575.5554.2529.0
All purpose719.3593.4531.0498.3478.0463.6443.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward632.30.9489
All purpose515.11.1648
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8378
Downwind "popa"0.9993
70% up, 30% down "Ilhabela"0.8805
30% up, 70% down "Ilhabela-inverso"0.9447
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Predominantly Upwind555.71.0797
Predominantly Downwind523.61.1460
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low656.40.9141
Triple Number All Purpose Medium512.01.1718
Triple Number All Purpose High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Predominantly Upwind555.71.0797
Predominantly Downwind523.61.1460
Predominantly Upwind Low724.70.8279
Predominantly Upwind Medium572.71.0476
Predominantly Upwind High538.51.1142
Predominantly Downwind Low721.20.8319
Predominantly Downwind Medium520.61.1524
Predominantly Downwind High433.11.3854
Chicago-Mac Upwind1.0614
Chicago-Mac All Purpose1.0905
Chicago-Mac Downwind1.1260
Bayview-Mac Cove Island1.0176
Bayview-Mac Shore1.0280
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching490.51.2232
Predominantly Reaching Low596.81.0054
Predominantly Reaching Medium486.11.2343
Predominantly Reaching High428.61.4000
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low918.70.6531
5-Band Low / Medium771.60.7776
5-Band Medium617.50.9716
5-Band Medium / High557.91.0754
5-Band High533.41.1249
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance559.9
Triple Number Coastal/Long Distance Low656.4
Triple Number Coastal/Long Distance Medium512.0
Triple Number Coastal/Long Distance High459.6
Triple Number Windward/Leeward Low842.7
Triple Number Windward/Leeward Medium627.9
Triple Number Windward/Leeward High550.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.1718
Triple Number Coastal/Long Distance High1.3055
Triple Number Windward/Leeward Low0.7120
Triple Number Windward/Leeward Medium0.9555
Triple Number Windward/Leeward High1.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low656.4
Triple Number Coastal/Long Distance Medium512.0
Triple Number Coastal/Long Distance High459.6
Triple Number Windward/Leeward Low842.7
Triple Number Windward/Leeward Medium627.9
Triple Number Windward/Leeward High550.1
Predominantly Upwind555.7
Predominantly Downwind523.6
Predominantly Reaching502.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.1718
Triple Number Coastal/Long Distance High1.3055
Triple Number Windward/Leeward Low0.7120
Triple Number Windward/Leeward Medium0.9555
Triple Number Windward/Leeward High1.0907
Coastal/Long Distance1.0716
Predominantly Upwind1.0797
Predominantly Downwind1.1460
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9141
Tretall Distanseseilas Mellomvind1.1718
Tretall Distanseseilas Mye vind1.3055
Tretall Pølsebane Lite vind0.7120
Tretall Pølsebane Mellomvind0.9555
Tretall Pølsebane Mye vind1.0907
Distanseseilas ett tall (OSN 8-16kn)1.0716
Distanseseilas ett tall (APH 6-20kn)1.1648
Enkeltall Motvind1.0797
Enkeltall Medvind1.1460
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Coastal/Long Distance559.91.0716
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind555.71.0797
Predominantly Downwind523.61.1460
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore536.61.1182
Cape Doctor Coastal449.41.3350
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.1718
Triple Number Coastal/Long Distance High1.3055
Triple Number Windward/Leeward Low0.7120
Triple Number Windward/Leeward Medium0.9555
Triple Number Windward/Leeward High1.0907
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.1718
Triple Number Coastal/Long Distance High1.3055
Triple Number Windward/Leeward Low0.7120
Triple Number Windward/Leeward Medium0.9555
Triple Number Windward/Leeward High1.0907
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Predominantly Upwind555.71.0797
Predominantly Downwind523.61.1460
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance559.91.0716
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium512.01.1718
Triple Number Coastal/Long Distance High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance932.0709.6595.4531.2496.0467.6423.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low656.40.9141
Triple Number All Purpose Medium512.01.1718
Triple Number All Purpose High459.61.3055
Triple Number Windward/Leeward Low842.70.7120
Triple Number Windward/Leeward Medium627.90.9555
Triple Number Windward/Leeward High550.11.0907
Predominantly Upwind555.71.0797
Predominantly Downwind523.61.1460
Predominantly Upwind Low724.70.8279
Predominantly Upwind Medium572.71.0476
Predominantly Upwind High538.51.1142
Predominantly Downwind Low721.20.8319
Predominantly Downwind Medium520.61.1524
Predominantly Downwind High433.11.3854
Chicago-Mac Upwind1.0614
Chicago-Mac All Purpose1.0905
Chicago-Mac Downwind1.1260
Bayview-Mac Cove Island1.0176
Bayview-Mac Shore1.0280
Harvest Moon Regatta447.71.3403
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy538.91.1135
San Francisco Bay Medium620.30.9673
Predominantly Reaching490.51.2232
Predominantly Reaching Low596.81.0054
Predominantly Reaching Medium486.11.2343
Predominantly Reaching High428.61.4000
Windward/Leeward 60-40 Low845.40.7097
Windward/Leeward 60-40 Medium646.40.9283
Windward/Leeward 60-40 High582.41.0303
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low918.70.6531
5-Band Low / Medium771.60.7776
5-Band Medium617.50.9716
5-Band Medium / High557.91.0754
5-Band High533.41.1249
ORC Ref  03190002EFUIssued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

NAMBAWAN

ITA-15083

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)
ClassComet 41SMeasurement17/04/2019HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.469Max. Beam3.928Draft2.475Displacement7,349Wetted area31.16IMS L11.123LSM010.855Acc. length12.469Sink (kg/mm) 23.26
VCGD-0.325VCGM-0.110RM Rated (kg·m) 196.6Limit of positive stability(°) 125.7Stability Index127.5
PROPELLER
Propeller TypeFeathering 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.457PBW0.110PIPA0.0028
EDL1.975ST10.042ST20.135
ST30.135ST40.088ST50.325
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.480IG16.010ISP17.190MDT10.130MDL10.235MDT20.130MDL20.185TL1.040MW0.235GO0.260
E5.600J4.920BAS1.710FSD0.034SFJSPL5.049WPLTPSBD0.190MWT233.50MCG6.240
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date07/05/2021MeasurerFIV-124Comment
SFFP0.341FFM1.447FF1.448LCFcl6.927SG1.0240
SAFP12.083FAM1.128FA1.129LCFsh7.188HBI1.258
W199.5W299.5W399.5W499.5
PD1530.6PD2521.6PD3525.0PD4515.8
WD13.080PLM9000.00GSA1.0RSA1.0RM195.9
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGDwasteCpvcWater20009.40BpvcWater20009.40AinoxFuel150156.90Total deductible136.90
OTHER ITEMSIdKindDescriptionWeightLCGVCGAMiscellaneousautopilotABattery3 batteries6.00AEngineLombardini 1404Total deductible
ORC Ref  03190002EFUIssued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

NAMBAWAN

ITA-15083

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.241.212.093.594.7551.7517/04/2019B0.161.172.063.544.7251.2012/03/2014C0.181.132.033.524.6750.7817/04/2009
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG0.110.811.522.773.975.0316.00NoNo 43.0023/10/2015D0.050.721.422.723.995.0615.90NoNo 42.2222/04/2010
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentE16.9016.9016.908.708.70122.5217/04/2018D16.0016.0016.008.808.39116.2414/05/2015B15.8615.8615.868.847.72113.8717/04/20090,5A15.8015.8015.808.678.17112.8417/04/20090,75
ORC Ref  03190002EFUIssued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org