International
Certificate
2023

Boat

OXYGEN

GRE-70

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 Angles42.0°40.0°38.2°37.6°37.5°37.8°38.4°
Beat VMG3.794.544.955.115.195.235.21
52°5.706.607.027.187.267.317.35
60°5.976.807.197.377.467.527.59
75°6.156.967.337.607.777.888.00
90°6.307.127.557.838.018.188.45
110°6.197.167.667.988.338.699.27
120°6.077.097.658.128.548.859.58
135°5.416.667.367.888.408.9810.60
150°4.595.746.707.327.688.049.16
Run VMG3.974.975.806.346.667.167.93
Gybe Angles143.9°147.8°149.2°151.0°169.4°174.8°142.1°

APH: 536.3

CDL: 9.243

GPH: 595.0

CertNo: 23/2

BOAT
ClassX-35DesignerJeppesenBuilderX-YachtsAge date09/2005Series date09/2005Offset filex35.od.offData fileGRE70
HULL
Length Overall10.600 mMaximum Beam3.250 mDraft2.168 mDisplacement4,634 kgDLR5.9526IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.420m
CREW
Maximum weight670 kgMinimum weight503 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail41.9442.81Headsail Luffed32.8932.89Headsail FlyingSymmetricAsymmetric130.46130.46 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail12.16Storm Jib10.62Heavy Weather Jib28.66
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment112.4 kg·mStability Index116.4
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  03190002S33Issued on 04/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

OXYGEN

GRE-70

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 VMG950.5792.5727.3704.7694.2688.6690.4
52°631.3545.2512.8501.7495.9492.4489.8
60°603.1529.7500.4488.6482.4478.4474.4
75°585.7517.5491.0473.7463.6457.1449.8
90°571.7505.9476.9459.7449.5440.1426.0
110°581.1503.0470.3451.0432.0414.2388.5
120°593.5507.8470.9443.2421.7406.8375.6
135°665.1540.5488.9457.1428.6400.8339.5
150°785.0626.9537.5492.1468.7447.9392.9
Run VMG906.5723.8620.7567.6540.5502.6453.7
Selected Courses
Windward / Leeward928.5758.2674.0636.2617.3595.6572.1
All purpose717.0601.2548.1522.3506.3492.3469.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward659.50.9098
All purpose536.31.1189
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8003
Downwind "popa"0.9733
70% up, 30% down "Ilhabela"0.8453
30% up, 70% down "Ilhabela-inverso"0.9140
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Predominantly Upwind579.91.0347
Predominantly Downwind537.71.1159
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low659.10.9104
Triple Number All Purpose Medium533.51.1247
Triple Number All Purpose High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Predominantly Upwind579.91.0347
Predominantly Downwind537.71.1159
Predominantly Upwind Low733.10.8184
Predominantly Upwind Medium602.30.9962
Predominantly Upwind High576.81.0401
Predominantly Downwind Low715.90.8381
Predominantly Downwind Medium535.51.1205
Predominantly Downwind High456.71.3136
Chicago-Mac Upwind1.0185
Chicago-Mac All Purpose1.0557
Chicago-Mac Downwind1.0984
Bayview-Mac Cove Island0.9941
Bayview-Mac Shore0.9990
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching506.41.1848
Predominantly Reaching Low596.81.0054
Predominantly Reaching Medium501.51.1965
Predominantly Reaching High448.51.3377
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low915.40.6555
5-Band Low / Medium778.40.7708
5-Band Medium646.10.9287
5-Band Medium / High598.81.0019
5-Band High576.11.0414
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance581.4
Triple Number Coastal/Long Distance Low659.1
Triple Number Coastal/Long Distance Medium533.5
Triple Number Coastal/Long Distance High487.3
Triple Number Windward/Leeward Low843.3
Triple Number Windward/Leeward Medium654.2
Triple Number Windward/Leeward High592.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9104
Triple Number Coastal/Long Distance Medium1.1247
Triple Number Coastal/Long Distance High1.2312
Triple Number Windward/Leeward Low0.7115
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low659.1
Triple Number Coastal/Long Distance Medium533.5
Triple Number Coastal/Long Distance High487.3
Triple Number Windward/Leeward Low843.3
Triple Number Windward/Leeward Medium654.2
Triple Number Windward/Leeward High592.2
Predominantly Upwind579.9
Predominantly Downwind537.7
Predominantly Reaching516.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9104
Triple Number Coastal/Long Distance Medium1.1247
Triple Number Coastal/Long Distance High1.2312
Triple Number Windward/Leeward Low0.7115
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0132
Coastal/Long Distance1.0320
Predominantly Upwind1.0347
Predominantly Downwind1.1159
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9104
Tretall Distanseseilas Mellomvind1.1247
Tretall Distanseseilas Mye vind1.2312
Tretall Pølsebane Lite vind0.7115
Tretall Pølsebane Mellomvind0.9171
Tretall Pølsebane Mye vind1.0132
Distanseseilas ett tall (OSN 8-16kn)1.0320
Distanseseilas ett tall (APH 6-20kn)1.1189
Enkeltall Motvind1.0347
Enkeltall Medvind1.1159
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Coastal/Long Distance581.41.0320
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind579.91.0347
Predominantly Downwind537.71.1159
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore579.11.0360
Cape Doctor Coastal476.51.2591
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9104
Triple Number Coastal/Long Distance Medium1.1247
Triple Number Coastal/Long Distance High1.2312
Triple Number Windward/Leeward Low0.7115
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0132
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9104
Triple Number Coastal/Long Distance Medium1.1247
Triple Number Coastal/Long Distance High1.2312
Triple Number Windward/Leeward Low0.7115
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0132
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Predominantly Upwind579.91.0347
Predominantly Downwind537.71.1159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance581.41.0320
Triple Number Coastal/Long Distance Low659.10.9104
Triple Number Coastal/Long Distance Medium533.51.1247
Triple Number Coastal/Long Distance High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance926.3715.0611.9556.1525.8498.2451.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low659.10.9104
Triple Number All Purpose Medium533.51.1247
Triple Number All Purpose High487.31.2312
Triple Number Windward/Leeward Low843.30.7115
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High592.21.0132
Predominantly Upwind579.91.0347
Predominantly Downwind537.71.1159
Predominantly Upwind Low733.10.8184
Predominantly Upwind Medium602.30.9962
Predominantly Upwind High576.81.0401
Predominantly Downwind Low715.90.8381
Predominantly Downwind Medium535.51.1205
Predominantly Downwind High456.71.3136
Chicago-Mac Upwind1.0185
Chicago-Mac All Purpose1.0557
Chicago-Mac Downwind1.0984
Bayview-Mac Cove Island0.9941
Bayview-Mac Shore0.9990
Harvest Moon Regatta468.21.2815
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy573.41.0464
San Francisco Bay Medium641.50.9353
Predominantly Reaching506.41.1848
Predominantly Reaching Low596.81.0054
Predominantly Reaching Medium501.51.1965
Predominantly Reaching High448.51.3377
Windward/Leeward 60-40 Low848.90.7068
Windward/Leeward 60-40 Medium675.60.8881
Windward/Leeward 60-40 High625.70.9589
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low915.40.6555
5-Band Low / Medium778.40.7708
5-Band Medium646.10.9287
5-Band Medium / High598.81.0019
5-Band High576.11.0414
ORC Ref  03190002S33Issued on 04/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

OXYGEN

GRE-70

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)
ClassX-35Measurement30/08/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.600Max. Beam3.250Draft2.168Displacement4,634Wetted area23.12IMS L9.506LSM09.198Acc. length10.563Sink (kg/mm) 17.75
VCGD0.066VCGM0.047RM Rated (kg·m) 112.4Limit of positive stability(°) 115.3Stability Index116.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.420PBW0.128PIPA0.0033
EDL2.390ST10.042ST20.178
ST30.182ST40.112ST50.255
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.250IG14.500ISP14.530MDT10.125MDL10.185MDT20.122MDL20.140TL1.230MW0.184GO0.204
E4.876J4.185BAS1.745FSD0.034SFJSPLWPLTPS5.685BD0.220MWT156.00MCG4.600
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date11/06/2016MeasurerGRE-56Comment
SFFP0.075FFM1.305FF1.306LCFcl5.955SG1.0250
SAFP10.275FAM0.980FA0.981LCFsh6.161HBI1.100
W168.0W268.0W368.0W468.0
PD1243.0PD2243.0PD3243.0PD4243.0
WD11.145PLM2069.00GSA50.2RSA5941.7RM112.0
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG1FixedLEAD BARS2705.30Fixed Ballast Total270
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGBpvcWater13005.40AinoxFuel60156.10Total deductible136.10
OTHER ITEMSIdKindDescriptionWeightLCGVCGCBattery55 Ah4.70BBattery110 Ah4.90AEngineYanmar 3YM20Total deductible
ORC Ref  03190002S33Issued on 04/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

OXYGEN

GRE-70

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.241.091.883.194.1341.9422/06/2016
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC0.110.651.212.283.344.4414.49YesNo 32.8922/06/2016J1B0.100.641.202.243.324.4314.47YesNo 32.5722/06/2016J2A0.090.490.911.832.833.9114.29YesNo 27.1222/06/2016J3
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentB17.9215.7916.869.339.12102%130.4621/04/2023A2A17.6915.6416.678.539.5090%121.1519/04/2023A1C16.4414.6415.544.676.1876%64.3919/04/2023C0
ORC Ref  03190002S33Issued on 04/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org