Club
Certificate
2023

Boat

Alesta Yelken

TUR-4666

ORC
Central Rating Office
Issuing certificates for
TURKEY
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.6°40.6°38.1°37.2°37.2°37.5°38.7°
Beat VMG3.233.934.364.514.564.584.53
52°4.885.736.116.296.366.416.42
60°5.115.906.256.476.586.646.70
75°5.255.996.386.696.917.057.20
90°5.366.156.486.747.087.387.80
110°5.406.256.777.207.527.828.39
120°5.266.156.717.277.808.309.11
135°4.765.786.356.867.448.1910.24
150°3.985.045.876.406.887.418.87
Run VMG3.454.375.135.746.246.677.68
Gybe Angles144.2°149.2°155.0°164.6°176.3°177.2°151.4°

APH: 607.6

CDL: 7.000

GPH: 678.1

CertNo:

BOAT
ClassPLATU 25 ODDesignerFARRBuilderBENETEAUAge date01/2013Series date01/1997Offset fileplatu25-TUR4666.offData fileTUR1666
HULL
Length Overall7.530 mMaximum Beam2.580 mDraft1.596 mDisplacement1,257 kgDLR4.3637IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight370 kgMinimum weight278 kg * when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail17.7518.07Headsail Luffed12.1312.13Headsail FlyingSymmetric44.0744.07Asymmetric
STORM SAIL AREAS (m²)
Trysail5.24Storm Jib4.24Heavy Weather Jib11.45
SAIL LIMITS
Headsails5 * Woven polyester sails  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
OUTBOARD ENGINE MERCURY 6
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  04590002E00Issued on 16/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Alesta Yelken

TUR-4666

ORC
Central Rating Office
Issuing certificates for
TURKEY
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1113.6916.9825.8797.4788.7785.9795.1
52°737.9627.9588.9572.6565.8561.9560.4
60°704.5610.5575.6556.8547.5541.8537.5
75°686.1601.5563.8538.5520.7510.6499.8
90°672.0585.5555.7534.3508.2487.6461.8
110°666.1575.8531.5500.3478.8460.5429.0
120°684.3585.5536.9495.3461.7433.6395.0
135°756.2622.8566.7524.5483.6439.5351.5
150°904.7714.0612.8562.2523.4486.1406.1
Run VMG1044.7824.5701.7627.6576.7539.5468.7
Selected Courses
Windward / Leeward1079.2870.7763.8712.5682.7662.7631.9
All purpose833.0692.1626.0591.1567.5548.5518.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward741.90.8087
All purpose607.60.9874
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6973
Downwind "popa"0.8781
70% up, 30% down "Ilhabela"0.7432
30% up, 70% down "Ilhabela-inverso"0.8147
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Predominantly Upwind662.00.9063
Predominantly Downwind608.40.9862
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low762.60.7868
Triple Number All Purpose Medium605.20.9914
Triple Number All Purpose High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Predominantly Upwind662.00.9063
Predominantly Downwind608.40.9862
Predominantly Upwind Low850.70.7053
Predominantly Upwind Medium686.70.8737
Predominantly Upwind High655.20.9157
Predominantly Downwind Low823.50.7286
Predominantly Downwind Medium604.00.9934
Predominantly Downwind High492.31.2187
Chicago-Mac Upwind0.8916
Chicago-Mac All Purpose0.9273
Chicago-Mac Downwind0.9694
Bayview-Mac Cove Island0.8680
Bayview-Mac Shore0.8725
Victoria-Maui1.0495
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance657.9
Triple Number Coastal/Long Distance Low762.6
Triple Number Coastal/Long Distance Medium605.2
Triple Number Coastal/Long Distance High541.8
Triple Number Windward/Leeward Low975.0
Triple Number Windward/Leeward Medium735.3
Triple Number Windward/Leeward High656.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium0.9914
Triple Number Coastal/Long Distance High1.1074
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8160
Triple Number Windward/Leeward High0.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low762.6
Triple Number Coastal/Long Distance Medium605.2
Triple Number Coastal/Long Distance High541.8
Triple Number Windward/Leeward Low975.0
Triple Number Windward/Leeward Medium735.3
Triple Number Windward/Leeward High656.2
Predominantly Upwind662.0
Predominantly Downwind608.4
Predominantly Reaching587.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium0.9914
Triple Number Coastal/Long Distance High1.1074
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8160
Triple Number Windward/Leeward High0.9144
Coastal/Long Distance0.9120
Predominantly Upwind0.9063
Predominantly Downwind0.9862
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7868
Tretall Distanseseilas Mellomvind0.9914
Tretall Distanseseilas Mye vind1.1074
Tretall Pølsebane Lite vind0.6154
Tretall Pølsebane Mellomvind0.8160
Tretall Pølsebane Mye vind0.9144
Distanseseilas ett tall (OSN 8-16kn)0.9120
Distanseseilas ett tall (APH 6-20kn)0.9874
Enkeltall Motvind0.9063
Enkeltall Medvind0.9862
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Coastal/Long Distance657.90.9120
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind662.00.9063
Predominantly Downwind608.40.9862
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore641.10.9358
Cape Doctor Coastal527.21.1381
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium0.9914
Triple Number Coastal/Long Distance High1.1074
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8160
Triple Number Windward/Leeward High0.9144
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7868
Triple Number Coastal/Long Distance Medium0.9914
Triple Number Coastal/Long Distance High1.1074
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8160
Triple Number Windward/Leeward High0.9144
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Predominantly Upwind662.00.9063
Predominantly Downwind608.40.9862
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.90.9120
Triple Number Coastal/Long Distance Low762.60.7868
Triple Number Coastal/Long Distance Medium605.20.9914
Triple Number Coastal/Long Distance High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.7821.3696.2628.9587.9552.3492.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low762.60.7868
Triple Number All Purpose Medium605.20.9914
Triple Number All Purpose High541.81.1074
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium735.30.8160
Triple Number Windward/Leeward High656.20.9144
Predominantly Upwind662.00.9063
Predominantly Downwind608.40.9862
Predominantly Upwind Low850.70.7053
Predominantly Upwind Medium686.70.8737
Predominantly Upwind High655.20.9157
Predominantly Downwind Low823.50.7286
Predominantly Downwind Medium604.00.9934
Predominantly Downwind High492.31.2187
Chicago-Mac Upwind0.8916
Chicago-Mac All Purpose0.9273
Chicago-Mac Downwind0.9694
Bayview-Mac Cove Island0.8680
Bayview-Mac Shore0.8725
Harvest Moon Regatta521.71.1501
Victoria-Maui1.0495
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy639.20.9387
San Francisco Bay Medium727.30.8250
Predominantly Reaching1.0387
Predominantly Reaching Low0.8696
Predominantly Reaching Medium1.0440
Predominantly Reaching High1.2045
Windward/Leeward 60-40 Low983.00.6104
Windward/Leeward 60-40 Medium762.30.7871
Windward/Leeward 60-40 High701.70.8550
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1063.10.5644
5-Band Low / Medium894.10.6711
5-Band Medium725.00.8276
5-Band Medium / High665.00.9022
5-Band High637.20.9416
ORC Ref  04590002E00Issued on 16/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Alesta Yelken

TUR-4666

ORC
Central Rating Office
Issuing certificates for
TURKEY
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPLATU 25 ODMeasurement10/03/2019HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA7.530Max. Beam2.580Draft1.596Displacement1,257Wetted area10.55IMS L6.986LSM06.603Acc. length7.530Sink (kg/mm) 7.65
VCGD-0.055VCGM-0.058RM Rated (kg·m) 18.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P9.400IG9.171ISP9.681MDT10.079MDL10.120MDT20.062MDL20.078TL2.340MW0.121GO0.131
E3.180J2.620BAS1.181FSD0.000SFJ0.000SPL3.430WPLTPSBD0.120MWT35.50MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.055Flotation Date20/03/2021MeasurerComment
SFFP0.120FFMFF0.901LCFcl4.178SG
SAFP7.315FAMFA0.688LCFsh4.358HBI0.827
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04590002E00Issued on 16/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Alesta Yelken

TUR-4666

ORC
Central Rating Office
Issuing certificates for
TURKEY
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.140.651.152.022.7217.7510/03/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.100.430.791.391.992.578.88NoNo 12.1310/03/2019
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA9.579.579.575.615.1944.0710/03/2019WHITE
ORC Ref  04590002E00Issued on 16/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org