Club
Certificate
2023

Boat

GRACE

ITA-17556

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 Angles44.4°42.4°41.1°40.2°39.4°39.0°39.3°
Beat VMG2.913.574.064.434.674.774.80
52°4.495.386.016.426.676.806.87
60°4.755.646.246.616.846.987.10
75°4.915.836.436.787.017.197.44
90°5.026.046.687.047.267.397.63
110°5.056.126.777.157.477.768.22
120°4.875.956.677.097.437.758.38
135°4.395.466.306.847.207.528.18
150°3.734.765.596.226.646.957.46
Run VMG3.234.124.845.385.756.307.00
Gybe Angles145.3°146.9°146.9°147.5°167.6°173.6°177.2°

APH: 622.0

CDL: 7.799

GPH: 702.1

CertNo: 23/1

BOAT
ClassOceanis 31DesignerFinot/ConqBuilderBeneteauAge date03/2016Series date03/2016Offset fileOCE31CL.offData fileI17556
HULL
Length Overall9.300 mMaximum Beam3.328 mDraft1.851 mDisplacement4,850 kgDLR7.0588IMS DivisionCruiser/RacerDynamic Allowance0.380%Age Allowance0.228%
PROPELLER
InstallationShaft non exposedTypeFolding 3 bladesDiameter0.360m
CREW
Maximum weight450 kgMinimum weight338 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.3924.80Headsail Luffed23.5223.52Headsail FlyingSymmetricAsymmetric60.4760.47 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.45Storm Jib6.76Heavy Weather Jib18.23
SAIL LIMITS
Headsails1  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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  03190002DIHIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

GRACE

ITA-17556

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 VMG1237.61007.1887.5812.9771.4754.7750.1
52°802.6669.2599.2560.5540.1529.5523.8
60°758.3638.1576.5544.4526.2515.4507.3
75°733.1617.9560.2531.1513.3500.4483.8
90°717.6595.9538.6511.7495.7487.4471.6
110°712.3587.8531.6503.2481.9464.0438.0
120°738.5605.1539.7507.7484.6464.3429.8
135°820.4658.8571.0526.5500.2478.4440.2
150°964.4756.2644.0579.0542.3517.9482.6
Run VMG1113.6873.2743.6668.6626.0571.8514.2
Selected Courses
Windward / Leeward1175.6940.1815.5740.8698.7663.3632.2
All purpose903.0733.8646.5597.4568.6548.8526.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward775.80.7734
All purpose622.00.9647
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6751
Downwind "popa"0.8218
70% up, 30% down "Ilhabela"0.7133
30% up, 70% down "Ilhabela-inverso"0.7715
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Predominantly Upwind675.30.8885
Predominantly Downwind631.50.9502
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low818.40.7331
Triple Number All Purpose Medium617.90.9710
Triple Number All Purpose High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Predominantly Upwind675.30.8885
Predominantly Downwind631.50.9502
Predominantly Upwind Low925.60.6483
Predominantly Upwind Medium699.20.8581
Predominantly Upwind High632.00.9494
Predominantly Downwind Low881.40.6807
Predominantly Downwind Medium626.20.9581
Predominantly Downwind High527.21.1382
Chicago-Mac Upwind0.8690
Chicago-Mac All Purpose0.8983
Chicago-Mac Downwind0.9329
Bayview-Mac Cove Island0.8282
Bayview-Mac Shore0.8354
Victoria-Maui0.9918
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance679.2
Triple Number Coastal/Long Distance Low818.4
Triple Number Coastal/Long Distance Medium617.9
Triple Number Coastal/Long Distance High545.5
Triple Number Windward/Leeward Low1057.8
Triple Number Windward/Leeward Medium771.8
Triple Number Windward/Leeward High660.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7331
Triple Number Coastal/Long Distance Medium0.9710
Triple Number Coastal/Long Distance High1.0999
Triple Number Windward/Leeward Low0.5672
Triple Number Windward/Leeward Medium0.7774
Triple Number Windward/Leeward High0.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low818.4
Triple Number Coastal/Long Distance Medium617.9
Triple Number Coastal/Long Distance High545.5
Triple Number Windward/Leeward Low1057.8
Triple Number Windward/Leeward Medium771.8
Triple Number Windward/Leeward High660.4
Predominantly Upwind675.3
Predominantly Downwind631.5
Predominantly Reaching601.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7331
Triple Number Coastal/Long Distance Medium0.9710
Triple Number Coastal/Long Distance High1.0999
Triple Number Windward/Leeward Low0.5672
Triple Number Windward/Leeward Medium0.7774
Triple Number Windward/Leeward High0.9085
Coastal/Long Distance0.8834
Predominantly Upwind0.8885
Predominantly Downwind0.9502
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7331
Tretall Distanseseilas Mellomvind0.9710
Tretall Distanseseilas Mye vind1.0999
Tretall Pølsebane Lite vind0.5672
Tretall Pølsebane Mellomvind0.7774
Tretall Pølsebane Mye vind0.9085
Distanseseilas ett tall (OSN 8-16kn)0.8834
Distanseseilas ett tall (APH 6-20kn)0.9647
Enkeltall Motvind0.8885
Enkeltall Medvind0.9502
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Coastal/Long Distance679.20.8834
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind675.30.8885
Predominantly Downwind631.50.9502
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore641.50.9353
Cape Doctor Coastal533.31.1250
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7331
Triple Number Coastal/Long Distance Medium0.9710
Triple Number Coastal/Long Distance High1.0999
Triple Number Windward/Leeward Low0.5672
Triple Number Windward/Leeward Medium0.7774
Triple Number Windward/Leeward High0.9085
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7331
Triple Number Coastal/Long Distance Medium0.9710
Triple Number Coastal/Long Distance High1.0999
Triple Number Windward/Leeward Low0.5672
Triple Number Windward/Leeward Medium0.7774
Triple Number Windward/Leeward High0.9085
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Predominantly Upwind675.30.8885
Predominantly Downwind631.50.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance679.20.8834
Triple Number Coastal/Long Distance Low818.40.7331
Triple Number Coastal/Long Distance Medium617.90.9710
Triple Number Coastal/Long Distance High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.4881.9731.5640.0591.3554.9503.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low818.40.7331
Triple Number All Purpose Medium617.90.9710
Triple Number All Purpose High545.51.0999
Triple Number Windward/Leeward Low1057.80.5672
Triple Number Windward/Leeward Medium771.80.7774
Triple Number Windward/Leeward High660.40.9085
Predominantly Upwind675.30.8885
Predominantly Downwind631.50.9502
Predominantly Upwind Low925.60.6483
Predominantly Upwind Medium699.20.8581
Predominantly Upwind High632.00.9494
Predominantly Downwind Low881.40.6807
Predominantly Downwind Medium626.20.9581
Predominantly Downwind High527.21.1382
Chicago-Mac Upwind0.8690
Chicago-Mac All Purpose0.8983
Chicago-Mac Downwind0.9329
Bayview-Mac Cove Island0.8282
Bayview-Mac Shore0.8354
Harvest Moon Regatta536.51.1183
Victoria-Maui0.9918
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy644.40.9312
San Francisco Bay Medium760.50.7889
Predominantly Reaching1.0233
Predominantly Reaching Low0.8168
Predominantly Reaching Medium1.0343
Predominantly Reaching High1.1806
Windward/Leeward 60-40 Low1070.70.5604
Windward/Leeward 60-40 Medium796.20.7535
Windward/Leeward 60-40 High693.40.8653
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1157.50.5184
5-Band Low / Medium964.20.6223
5-Band Medium756.40.7932
5-Band Medium / High670.70.8946
5-Band High637.50.9411
ORC Ref  03190002DIHIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

GRACE

ITA-17556

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)
ClassOceanis 31MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.300Max. Beam3.328Draft1.851Displacement4,850Wetted area21.41IMS L8.849LSM08.823Acc. length9.435Sink (kg/mm) 16.14
VCGD0.037VCGM0.048RM Rated (kg·m) 90.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.360PBWPIPA0.0037
PSD0.025PHD0.068PHL0.130
PSA15.0°ESL0.880
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P10.880IG11.620ISP11.860MDT10.120MDL10.180MDT2MDL2TLNo TaperMWGO
E3.910J3.680BAS1.720FSDNo FoilSFJ0.140SPL0.000WPLTPS3.840BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered90.0Flotation Date16/05/2019MeasurerComment
SFFP0.215FFMFF1.217LCFcl5.257SG1.0262
SAFP8.790FAMFA1.005LCFsh5.500HBI1.102
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002DIHIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

GRACE

ITA-17556

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.140.751.352.383.2124.3904/02/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.060.531.022.073.164.2611.18NoNo 23.5204/02/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA12.8911.2412.075.836.7586%60.4716/05/2019
ORC Ref  03190002DIHIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org