International
Certificate
2023

Boat

BLUE OYSTER

ITA-2719

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 Angles43.6°41.7°39.9°38.8°38.2°37.8°37.6°
Beat VMG4.355.366.036.396.606.726.86
52°6.688.028.829.209.399.529.66
60°7.098.389.129.499.689.819.96
75°7.398.639.339.7410.0310.2310.50
90°7.598.929.599.9610.2210.5011.04
110°7.378.809.6010.1610.6711.1411.88
120°6.998.549.5210.1310.6811.1512.33
135°6.197.919.099.8210.4511.1212.71
150°5.196.647.989.029.6810.1811.33
Run VMG4.495.756.917.828.408.819.81
Gybe Angles142.1°141.5°145.1°151.0°151.4°150.2°145.7°

APH: 431.5

CDL: 15.372

GPH: 485.8

CertNo: 23/1

BOAT
ClassDehler 60DesignerSimonisBuilderDehlerAge date06/2008Series date06/2008Offset fileDEHLER60.offData fileI2719
HULL
Length Overall18.300 mMaximum Beam4.830 mDraft3.382 mDisplacement18,762 kgDLR4.1371IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.620m
CREW
Maximum weight1,250 kgMinimum weight938 kg * when appliedNon Manual PowerSheetsCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail98.02100.02Headsail Luffed80.1280.12Headsail FlyingSymmetricAsymmetric307.93307.93 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail28.48Storm Jib23.91Heavy Weather Jib64.56
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment664.2 kg·mStability Index134.0
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  03190002D8WIssued on 03/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

BLUE OYSTER

ITA-2719

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 VMG827.4671.6596.6563.5545.8535.3524.4
52°538.7448.9408.2391.3383.3378.4372.8
60°508.1429.6394.7379.3371.9367.0361.3
75°487.5417.3385.8369.5358.8351.9342.9
90°474.1403.7375.4361.6352.2342.7326.2
110°488.2409.0374.8354.4337.2323.3303.0
120°515.2421.4378.3355.5337.1322.8291.9
135°581.6455.0395.9366.7344.7323.9283.2
150°694.2542.2450.9399.1371.9353.8317.7
Run VMG801.6626.1520.6460.2428.3408.5366.8
Selected Courses
Windward / Leeward814.5648.9558.6511.9487.1471.9445.6
All purpose619.3503.2445.0415.7398.2385.9365.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward537.81.1157
All purpose431.51.3906
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9849
Downwind "popa"1.1627
70% up, 30% down "Ilhabela"1.0322
30% up, 70% down "Ilhabela-inverso"1.1030
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Predominantly Upwind466.91.2852
Predominantly Downwind438.81.3674
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low561.31.0690
Triple Number All Purpose Medium428.41.4006
Triple Number All Purpose High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Predominantly Upwind466.91.2852
Predominantly Downwind438.81.3674
Predominantly Upwind Low626.20.9582
Predominantly Upwind Medium482.21.2443
Predominantly Upwind High446.01.3454
Predominantly Downwind Low617.80.9712
Predominantly Downwind Medium435.31.3783
Predominantly Downwind High366.11.6387
Chicago-Mac Upwind1.2617
Chicago-Mac All Purpose1.2985
Chicago-Mac Downwind1.3427
Bayview-Mac Cove Island1.2019
Bayview-Mac Shore1.2139
Victoria-Maui1.4313
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance472.0
Triple Number Coastal/Long Distance Low561.3
Triple Number Coastal/Long Distance Medium428.4
Triple Number Coastal/Long Distance High381.1
Triple Number Windward/Leeward Low731.7
Triple Number Windward/Leeward Medium532.7
Triple Number Windward/Leeward High465.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0690
Triple Number Coastal/Long Distance Medium1.4006
Triple Number Coastal/Long Distance High1.5744
Triple Number Windward/Leeward Low0.8200
Triple Number Windward/Leeward Medium1.1264
Triple Number Windward/Leeward High1.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low561.3
Triple Number Coastal/Long Distance Medium428.4
Triple Number Coastal/Long Distance High381.1
Triple Number Windward/Leeward Low731.7
Triple Number Windward/Leeward Medium532.7
Triple Number Windward/Leeward High465.8
Predominantly Upwind466.9
Predominantly Downwind438.8
Predominantly Reaching417.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0690
Triple Number Coastal/Long Distance Medium1.4006
Triple Number Coastal/Long Distance High1.5744
Triple Number Windward/Leeward Low0.8200
Triple Number Windward/Leeward Medium1.1264
Triple Number Windward/Leeward High1.2880
Coastal/Long Distance1.2712
Predominantly Upwind1.2852
Predominantly Downwind1.3674
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0690
Tretall Distanseseilas Mellomvind1.4006
Tretall Distanseseilas Mye vind1.5744
Tretall Pølsebane Lite vind0.8200
Tretall Pølsebane Mellomvind1.1264
Tretall Pølsebane Mye vind1.2880
Distanseseilas ett tall (OSN 8-16kn)1.2712
Distanseseilas ett tall (APH 6-20kn)1.3906
Enkeltall Motvind1.2852
Enkeltall Medvind1.3674
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Coastal/Long Distance472.01.2712
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind466.91.2852
Predominantly Downwind438.81.3674
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore453.51.3230
Cape Doctor Coastal371.21.6163
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0690
Triple Number Coastal/Long Distance Medium1.4006
Triple Number Coastal/Long Distance High1.5744
Triple Number Windward/Leeward Low0.8200
Triple Number Windward/Leeward Medium1.1264
Triple Number Windward/Leeward High1.2880
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0690
Triple Number Coastal/Long Distance Medium1.4006
Triple Number Coastal/Long Distance High1.5744
Triple Number Windward/Leeward Low0.8200
Triple Number Windward/Leeward Medium1.1264
Triple Number Windward/Leeward High1.2880
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Predominantly Upwind466.91.2852
Predominantly Downwind438.81.3674
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance472.01.2712
Triple Number Coastal/Long Distance Low561.31.0690
Triple Number Coastal/Long Distance Medium428.41.4006
Triple Number Coastal/Long Distance High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance813.2608.9502.5444.3413.9390.3349.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low561.31.0690
Triple Number All Purpose Medium428.41.4006
Triple Number All Purpose High381.11.5744
Triple Number Windward/Leeward Low731.70.8200
Triple Number Windward/Leeward Medium532.71.1264
Triple Number Windward/Leeward High465.81.2880
Predominantly Upwind466.91.2852
Predominantly Downwind438.81.3674
Predominantly Upwind Low626.20.9582
Predominantly Upwind Medium482.21.2443
Predominantly Upwind High446.01.3454
Predominantly Downwind Low617.80.9712
Predominantly Downwind Medium435.31.3783
Predominantly Downwind High366.11.6387
Chicago-Mac Upwind1.2617
Chicago-Mac All Purpose1.2985
Chicago-Mac Downwind1.3427
Bayview-Mac Cove Island1.2019
Bayview-Mac Shore1.2139
Harvest Moon Regatta372.31.6117
Victoria-Maui1.4313
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy451.41.3291
San Francisco Bay Medium525.61.1415
Predominantly Reaching1.4764
Predominantly Reaching Low1.1952
Predominantly Reaching Medium1.4927
Predominantly Reaching High1.6986
Windward/Leeward 60-40 Low735.20.8161
Windward/Leeward 60-40 Medium548.51.0939
Windward/Leeward 60-40 High489.01.2270
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low801.70.7484
5-Band Low / Medium665.50.9015
5-Band Medium523.51.1460
5-Band Medium / High473.31.2676
5-Band High450.21.3329
ORC Ref  03190002D8WIssued on 03/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

BLUE OYSTER

ITA-2719

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)
ClassDehler 60Measurement28/10/2022HINDE-DEH70001A808Plan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA18.300Max. Beam4.830Draft3.382Displacement18,762Wetted area58.97IMS L16.698LSM016.551Acc. length15.697Sink (kg/mm) 46.05
VCGD-0.084VCGM-0.081RM Rated (kg·m) 664.2Limit of positive stability(°) 123.2Stability Index134.0
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.620PBW0.185PIPA0.0078
PSD0.040PHD0.083PHL0.165
PSA14.5°ESL1.630
ST10.040ST20.135ST30.135
ST40.040ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P21.840IG21.793ISP23.833MDT10.147MDL10.326MDT20.133MDL20.242TL2.380MW0.326GO0.349
E7.450J6.760BAS1.985FSD0.065SFJ0.670SPLWPLTPS8.760BD0.330MWT513.80MCG7.712
Flying Headsail Foretriangles IdISPTPS122.2837.850
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date02/03/2022MeasurerFIV-164Comment
SFFP1.170FFM1.760FF1.757LCFcl10.057SG1.0280
SAFP17.470FAM1.371FA1.373LCFsh10.323HBI1.562
W1306.8W2306.8W3306.8W4306.8LCFD10.950
PD1256.4PD2261.1PD3259.0PD4256.0
WD7.020PLM9000.00GSA1.0RSA1.0RM657.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAacqua pvc 2x180Water36004.83Bacqua pvc 2x85Water17005.68Cgasolio inox 2x170Fuel340010.200.25Dgasolio day tank inoxFuel1554015.781.20Total deductible3415.781.20
OTHER ITEMSIdKindDescriptionWeightLCGVCG#Miscellaneouswebasto. reflue, frigo suppl., dissalatore,caricabatterie15.78#Miscellaneousmacchina del ghiaccio dx10.25#Miscellaneoustv7.85#Miscellaneous2 inverter sx8.95#Miscellaneouscondizionatore10.05AMiscellaneousboiler, inverter14.95CMiscellaneousgeneratore14.25#Miscellaneoussalpa ancore1.90ABattery2x220 Ah10.05BBattery6x220 Ah11.30CBattery2x100 Ah13.55#Battery4x50 Ah1.90AEngineVolvo Penta 160 cvTotal deductible
ORC Ref  03190002D8WIssued on 03/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

BLUE OYSTER

ITA-2719

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentB0.411.692.924.816.2898.0211/03/2022A0.081.352.494.365.9490.5701/09/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG0.311.342.293.875.396.8821.33NoNo 80.1228/10/2022J1H0.301.112.213.745.306.8821.23NoNo 77.8428/10/2022J2A0.090.811.583.225.016.8621.33NoNo 71.0127/11/2019J3F0.031.222.394.455.796.4717.08NoInner 66.5727/05/2022staysailI0.060.601.172.333.594.9321.16NoNo 50.8110/11/2022windseeker
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentJ27.8021.2624.5314.9015.7295%307.9328/10/2022A2J27.0222.8424.9314.4015.1495%302.2328/10/2022A1.5C25.0621.5423.3013.4414.1095%263.5201/04/2021A1H23.0020.0021.5010.4113.7676%198.5201/09/2021A0
ORC Ref  03190002D8WIssued on 03/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org