International
Certificate
Non Spinnaker
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 VMG3.233.944.374.534.594.604.51
52°4.945.886.426.626.716.756.72
60°5.226.146.676.886.977.027.03
75°5.416.356.877.147.307.397.46
90°5.316.296.887.237.497.697.94
110°4.695.796.607.117.477.808.44
120°4.415.526.386.957.347.708.43
135°3.854.945.856.577.057.418.12
150°3.274.235.125.886.516.957.62
Run VMG2.833.714.575.356.056.637.39
Gybe Angles145.1°169.4°171.2°173.0°174.8°176.6°178.0°

APH: 619.6

CDL: 8.130

GPH: 700.0

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 Allowance0.320%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.63Storm Jib8.67Heavy Weather Jib23.40
SAIL LIMITS
Headsails1  Spinnakers0 * No spinnaker pole aboard
STABILITY
Righting Moment75.2 kg·mStability Index114.8
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  03190002BJIIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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 VMG1114.3913.4824.6795.4784.8782.3797.7
52°729.0612.5560.7543.5536.5533.7535.8
60°690.1586.0539.9522.9516.3513.1512.4
75°664.9567.3524.1503.9493.1487.4482.5
90°678.6572.5523.2498.1480.8467.9453.3
110°767.3621.6545.1506.7482.2461.3426.6
120°816.4652.7564.2517.8490.2467.3427.1
135°936.2729.0615.8548.2510.7485.9443.1
150°1101.0850.3703.4612.4553.4517.7472.5
Run VMG1271.4970.3787.5672.6594.9542.9487.0
Selected Courses
Windward / Leeward1192.8941.9806.0734.0689.8662.6642.3
All purpose906.9731.2640.4594.0566.7549.4531.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward771.60.7776
All purpose619.60.9684
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6986
Downwind "popa"0.7885
70% up, 30% down "Ilhabela"0.7233
30% up, 70% down "Ilhabela-inverso"0.7592
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Predominantly Upwind661.50.9070
Predominantly Downwind641.70.9350
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low819.10.7325
Triple Number All Purpose Medium614.10.9771
Triple Number All Purpose High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Predominantly Upwind661.50.9070
Predominantly Downwind641.70.9350
Predominantly Upwind Low879.70.6820
Predominantly Upwind Medium674.60.8894
Predominantly Upwind High645.60.9294
Predominantly Downwind Low941.20.6375
Predominantly Downwind Medium642.40.9340
Predominantly Downwind High513.91.1676
Chicago-Mac Upwind0.8908
Chicago-Mac All Purpose0.9025
Chicago-Mac Downwind0.9150
Bayview-Mac Cove Island0.8407
Bayview-Mac Shore0.8576
Victoria-Maui0.9825
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance679.0
Triple Number Coastal/Long Distance Low819.1
Triple Number Coastal/Long Distance Medium614.1
Triple Number Coastal/Long Distance High547.0
Triple Number Windward/Leeward Low1067.4
Triple Number Windward/Leeward Medium764.3
Triple Number Windward/Leeward High661.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7325
Triple Number Coastal/Long Distance Medium0.9771
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5621
Triple Number Windward/Leeward Medium0.7850
Triple Number Windward/Leeward High0.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low819.1
Triple Number Coastal/Long Distance Medium614.1
Triple Number Coastal/Long Distance High547.0
Triple Number Windward/Leeward Low1067.4
Triple Number Windward/Leeward Medium764.3
Triple Number Windward/Leeward High661.8
Predominantly Upwind661.5
Predominantly Downwind641.7
Predominantly Reaching604.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7325
Triple Number Coastal/Long Distance Medium0.9771
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5621
Triple Number Windward/Leeward Medium0.7850
Triple Number Windward/Leeward High0.9066
Coastal/Long Distance0.8837
Predominantly Upwind0.9070
Predominantly Downwind0.9350
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7325
Tretall Distanseseilas Mellomvind0.9771
Tretall Distanseseilas Mye vind1.0969
Tretall Pølsebane Lite vind0.5621
Tretall Pølsebane Mellomvind0.7850
Tretall Pølsebane Mye vind0.9066
Distanseseilas ett tall (OSN 8-16kn)0.8837
Distanseseilas ett tall (APH 6-20kn)0.9684
Enkeltall Motvind0.9070
Enkeltall Medvind0.9350
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Coastal/Long Distance679.00.8837
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind661.50.9070
Predominantly Downwind641.70.9350
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore648.40.9253
Cape Doctor Coastal536.91.1176
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7325
Triple Number Coastal/Long Distance Medium0.9771
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5621
Triple Number Windward/Leeward Medium0.7850
Triple Number Windward/Leeward High0.9066
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7325
Triple Number Coastal/Long Distance Medium0.9771
Triple Number Coastal/Long Distance High1.0969
Triple Number Windward/Leeward Low0.5621
Triple Number Windward/Leeward Medium0.7850
Triple Number Windward/Leeward High0.9066
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Predominantly Upwind661.50.9070
Predominantly Downwind641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.00.8837
Triple Number Coastal/Long Distance Low819.10.7325
Triple Number Coastal/Long Distance Medium614.10.9771
Triple Number Coastal/Long Distance High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1200.7886.6725.2637.3589.8554.7501.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low819.10.7325
Triple Number All Purpose Medium614.10.9771
Triple Number All Purpose High547.01.0969
Triple Number Windward/Leeward Low1067.40.5621
Triple Number Windward/Leeward Medium764.30.7850
Triple Number Windward/Leeward High661.80.9066
Predominantly Upwind661.50.9070
Predominantly Downwind641.70.9350
Predominantly Upwind Low879.70.6820
Predominantly Upwind Medium674.60.8894
Predominantly Upwind High645.60.9294
Predominantly Downwind Low941.20.6375
Predominantly Downwind Medium642.40.9340
Predominantly Downwind High513.91.1676
Chicago-Mac Upwind0.8908
Chicago-Mac All Purpose0.9025
Chicago-Mac Downwind0.9150
Bayview-Mac Cove Island0.8407
Bayview-Mac Shore0.8576
Harvest Moon Regatta528.71.1349
Victoria-Maui0.9825
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy652.70.9193
San Francisco Bay Medium759.50.7900
Predominantly Reaching1.0287
Predominantly Reaching Low0.8071
Predominantly Reaching Medium1.0341
Predominantly Reaching High1.1876
Windward/Leeward 60-40 Low1056.70.5678
Windward/Leeward 60-40 Medium780.70.7686
Windward/Leeward 60-40 High705.00.8511
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1173.50.5113
5-Band Low / Medium967.30.6203
5-Band Medium749.90.8002
5-Band Medium / High669.80.8958
5-Band High645.80.9290
ORC Ref  03190002BJIIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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 L9.212LSM09.193Acc. length9.715Sink (kg/mm) 16.08
VCGD0.130VCGM0.203RM Rated (kg·m) 75.2Limit of positive stability(°) 117.5Stability Index114.8
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
E4.400J3.200BAS1.623FSD0.030SFJ0.550SPLWPLTPSBD0.115MWTMCG
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  03190002BJIIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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
ORC Ref  03190002BJIIssued on 26/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org