International
Certificate
2023

Boat

CHEREN

ITA-16971

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°40.2°40.0°40.0°40.2°41.4°
Beat VMG3.233.944.374.534.594.604.52
52°4.945.876.426.626.716.756.72
60°5.216.146.676.896.977.027.03
75°5.416.346.877.147.307.397.46
90°5.586.526.907.237.497.697.94
110°5.706.757.267.577.808.018.37
120°5.546.657.257.698.098.378.86
135°4.986.176.967.467.948.449.65
150°4.225.356.286.897.267.598.33
Run VMG3.654.635.445.966.296.827.56
Gybe Angles144.2°147.4°148.3°149.4°150.5°173.6°175.7°

APH: 585.4

CDL: 8.134

GPH: 653.2

CertNo: 23/1

BOAT
ClassComet 31 SDesignerLupoliBuilderComar YachtsAge date08/2013Series date08/2013Offset fileCOMET31S.offData fileI16971
HULL
Length Overall9.715 mMaximum Beam3.462 mDraft1.951 mDisplacement4,281 kgDLR5.5097IMS DivisionCruiser/RacerDynamic Allowance0.240%Age Allowance0.325%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.360m
CREW
Maximum weight350 kgMinimum weight263 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.6331.02Headsail Luffed23.7823.78Headsail FlyingSymmetricAsymmetric89.7689.76 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.63Storm Jib8.67Heavy Weather Jib23.40
SAIL LIMITS
Headsails1  Spinnakers4
STABILITY
Righting Moment75.2 kg·mStability Index114.9
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  03190002BJFIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHEREN

ITA-16971

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 VMG1114.8913.8824.5795.1784.3781.9796.9
52°729.4612.8560.7543.4536.4533.5535.5
60°690.5586.2540.0522.9516.2512.9512.2
75°665.3567.6524.2503.9493.0487.3482.4
90°644.9551.8522.1498.3480.9467.9453.2
110°631.9533.4495.8475.6461.7449.7430.3
120°649.6541.0496.4468.1445.3430.2406.1
135°722.9583.4517.1482.3453.2426.5373.2
150°853.3673.1573.5522.8495.8474.1432.4
Run VMG985.3777.3662.2603.6572.3528.0476.4
Selected Courses
Windward / Leeward1050.0845.5743.4699.4678.3654.9636.6
All purpose807.8663.7596.9566.3549.2535.2519.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward728.50.8236
All purpose585.41.0250
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6987
Downwind "popa"0.9120
70% up, 30% down "Ilhabela"0.7514
30% up, 70% down "Ilhabela-inverso"0.8355
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Predominantly Upwind641.40.9354
Predominantly Downwind580.21.0341
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low735.70.8155
Triple Number All Purpose Medium580.41.0338
Triple Number All Purpose High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Predominantly Upwind641.40.9354
Predominantly Downwind580.21.0341
Predominantly Upwind Low835.40.7182
Predominantly Upwind Medium670.00.8956
Predominantly Upwind High642.90.9333
Predominantly Downwind Low786.50.7628
Predominantly Downwind Medium572.01.0489
Predominantly Downwind High486.51.2334
Chicago-Mac Upwind0.9188
Chicago-Mac All Purpose0.9643
Chicago-Mac Downwind1.0171
Bayview-Mac Cove Island0.9014
Bayview-Mac Shore0.9037
Victoria-Maui1.0854
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance636.3
Triple Number Coastal/Long Distance Low735.7
Triple Number Coastal/Long Distance Medium580.4
Triple Number Coastal/Long Distance High532.7
Triple Number Windward/Leeward Low947.7
Triple Number Windward/Leeward Medium721.0
Triple Number Windward/Leeward High653.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8155
Triple Number Coastal/Long Distance Medium1.0338
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8322
Triple Number Windward/Leeward High0.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low735.7
Triple Number Coastal/Long Distance Medium580.4
Triple Number Coastal/Long Distance High532.7
Triple Number Windward/Leeward Low947.7
Triple Number Windward/Leeward Medium721.0
Triple Number Windward/Leeward High653.9
Predominantly Upwind641.4
Predominantly Downwind580.2
Predominantly Reaching558.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8155
Triple Number Coastal/Long Distance Medium1.0338
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8322
Triple Number Windward/Leeward High0.9176
Coastal/Long Distance0.9430
Predominantly Upwind0.9354
Predominantly Downwind1.0341
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8155
Tretall Distanseseilas Mellomvind1.0338
Tretall Distanseseilas Mye vind1.1263
Tretall Pølsebane Lite vind0.6331
Tretall Pølsebane Mellomvind0.8322
Tretall Pølsebane Mye vind0.9176
Distanseseilas ett tall (OSN 8-16kn)0.9430
Distanseseilas ett tall (APH 6-20kn)1.0250
Enkeltall Motvind0.9354
Enkeltall Medvind1.0341
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Coastal/Long Distance636.30.9430
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind641.40.9354
Predominantly Downwind580.21.0341
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore642.10.9344
Cape Doctor Coastal524.01.1450
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8155
Triple Number Coastal/Long Distance Medium1.0338
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8322
Triple Number Windward/Leeward High0.9176
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8155
Triple Number Coastal/Long Distance Medium1.0338
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8322
Triple Number Windward/Leeward High0.9176
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Predominantly Upwind641.40.9354
Predominantly Downwind580.21.0341
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance636.30.9430
Triple Number Coastal/Long Distance Low735.70.8155
Triple Number Coastal/Long Distance Medium580.41.0338
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1043.6794.0670.8606.0570.4539.1490.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low735.70.8155
Triple Number All Purpose Medium580.41.0338
Triple Number All Purpose High532.71.1263
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium721.00.8322
Triple Number Windward/Leeward High653.90.9176
Predominantly Upwind641.40.9354
Predominantly Downwind580.21.0341
Predominantly Upwind Low835.40.7182
Predominantly Upwind Medium670.00.8956
Predominantly Upwind High642.90.9333
Predominantly Downwind Low786.50.7628
Predominantly Downwind Medium572.01.0489
Predominantly Downwind High486.51.2334
Chicago-Mac Upwind0.9188
Chicago-Mac All Purpose0.9643
Chicago-Mac Downwind1.0171
Bayview-Mac Cove Island0.9014
Bayview-Mac Shore0.9037
Harvest Moon Regatta502.91.1930
Victoria-Maui1.0854
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy635.60.9440
San Francisco Bay Medium709.10.8461
Predominantly Reaching1.0918
Predominantly Reaching Low0.9074
Predominantly Reaching Medium1.1068
Predominantly Reaching High1.2428
Windward/Leeward 60-40 Low961.10.6243
Windward/Leeward 60-40 Medium752.00.7979
Windward/Leeward 60-40 High699.60.8577
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1034.30.5801
5-Band Low / Medium869.70.6899
5-Band Medium711.60.8432
5-Band Medium / High659.70.9095
5-Band High639.80.9378
ORC Ref  03190002BJFIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHEREN

ITA-16971

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 31 SMeasurement19/09/2022HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.715Max. Beam3.462Draft1.951Displacement4,281Wetted area22.05IMS L9.214LSM09.193Acc. length9.715Sink (kg/mm) 16.08
VCGD0.130VCGM0.203RM Rated (kg·m) 75.2Limit of positive stability(°) 117.6Stability Index114.9
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBW0.135PIPA0.0038
PSD0.025PHD0.058PHL0.110
PSA13.5°ESL1.190
ST10.010ST20.075ST30.085
ST40.050ST50.210
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.500IG13.053ISP14.180MDT10.115MDL10.160MDT20.115MDL20.160TLMW0.160GO0.187
E4.400J3.200BAS1.623FSD0.030SFJ0.550SPLWPLTPS4.330BD0.115MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date02/01/2018MeasurerFIV-162CommentCondizioni ottime
SFFP1.380FFM1.335FF1.333LCFcl5.548SG1.0290
SAFP9.175FAM1.047FA1.048LCFsh5.781HBI1.247
W142.0W242.0W342.0W442.0
PD1612.7PD2603.7PD3602.5PD4600.7
WD13.760PLM9000.00GSA1.0RSA1.0RM75.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGApvc dxWater7007.000.00Bpvc dxWater6009.100.00Cinox cxFuel70157.400.00Dwaste pvc sx3009.100.00Total deductible137.400.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGBMiscellaneouswindlass80.900.00AMiscellaneousboiler159.300.00ABattery80 Ah services sx274.000.00BBattery80 Ah engine sx304.100.00AEngineLombardini 20 hpTotal deductible0
ORC Ref  03190002BJFIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

CHEREN

ITA-16971

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.130.821.492.573.4730.6302/01/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentB0.070.520.971.892.783.6112.76NoNo 23.7819/09/2022A0.080.450.871.762.663.5312.70YesNo 22.4802/01/2018
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA16.1013.8614.987.197.19100%89.7626/12/2017A2B14.9812.9813.986.576.46102%76.2802/01/2018
ORC Ref  03190002BJFIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org