Club
Certificate
2023

Boat

MAYK

TUR-1731

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 Angles43.0°41.4°39.3°37.5°36.9°37.0°38.2°
Beat VMG3.113.804.284.584.684.714.66
52°4.735.626.086.406.596.686.74
60°4.965.806.246.606.887.017.14
75°5.115.906.376.817.257.607.95
90°5.396.236.747.037.337.918.91
110°5.456.347.057.748.288.769.75
120°5.316.226.947.778.689.5010.97
135°4.795.856.547.228.099.1512.61
150°4.075.155.926.487.037.8010.74
Run VMG3.524.465.135.616.096.769.30
Gybe Angles144.4°148.0°149.6°148.3°145.7°143.5°139.7°

APH: 594.5

CDL: 6.967

GPH: 668.6

CertNo:

BOAT
ClassJ-70 ONE DESIGNDesignerJOHNSTONEBuilderJ BOATSAge date04/2023Series date02/2012Offset fileJ-70.OD.OFFData fileTUR1731 MAYK
HULL
Length Overall6.942 mMaximum Beam2.260 mDraft1.450 mDisplacement812 kgDLR3.3788IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.357%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight360 kgMinimum weight270 kg * when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail15.4616.07Headsail Luffed10.0010.00Headsail FlyingSymmetricAsymmetric45.6445.64 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail4.02Storm Jib3.39Heavy Weather Jib9.13
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
OUTBOARD ENGINE ELECTRICAL
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  04590002OVRIssued on 22/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MAYK

TUR-1731

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 VMG1158.0948.5842.0786.3769.9764.8771.9
52°761.8641.1591.9562.9546.1538.6533.9
60°725.1620.7577.0545.6523.5513.3504.1
75°704.8609.8564.7528.3496.9473.8452.8
90°668.1577.8534.2511.9491.2455.2403.8
110°660.0567.9510.7465.1435.0410.8369.1
120°678.6578.4518.6463.5414.9379.0328.3
135°752.1615.6550.8498.4445.0393.3285.5
150°885.2699.7607.7555.9512.1461.5335.2
Run VMG1022.2807.9701.7641.9591.3532.9387.0
Selected Courses
Windward / Leeward1090.1878.2771.8714.1680.6648.8579.5
All purpose841.3695.3623.0578.2547.4519.4469.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward740.90.8098
All purpose594.51.0092
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6952
Downwind "popa"0.8965
70% up, 30% down "Ilhabela"0.7454
30% up, 70% down "Ilhabela-inverso"0.8248
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Predominantly Upwind654.40.9169
Predominantly Downwind596.61.0057
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low768.20.7810
Triple Number All Purpose Medium595.21.0081
Triple Number All Purpose High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Predominantly Upwind654.40.9169
Predominantly Downwind596.61.0057
Predominantly Upwind Low869.30.6902
Predominantly Upwind Medium681.90.8799
Predominantly Upwind High629.70.9528
Predominantly Downwind Low818.60.7330
Predominantly Downwind Medium595.91.0069
Predominantly Downwind High454.81.3192
Chicago-Mac Upwind0.8998
Chicago-Mac All Purpose0.9415
Chicago-Mac Downwind0.9892
Bayview-Mac Cove Island0.8729
Bayview-Mac Shore0.8774
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching561.71.0683
Predominantly Reaching Low690.40.8690
Predominantly Reaching Medium561.01.0695
Predominantly Reaching High461.81.2992
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1073.80.5588
5-Band Low / Medium902.20.6651
5-Band Medium726.40.8260
5-Band Medium / High648.00.9260
5-Band High591.51.0144
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance646.2
Triple Number Coastal/Long Distance Low768.2
Triple Number Coastal/Long Distance Medium595.2
Triple Number Coastal/Long Distance High507.6
Triple Number Windward/Leeward Low984.1
Triple Number Windward/Leeward Medium738.6
Triple Number Windward/Leeward High630.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7810
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1821
Triple Number Windward/Leeward Low0.6097
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low768.2
Triple Number Coastal/Long Distance Medium595.2
Triple Number Coastal/Long Distance High507.6
Triple Number Windward/Leeward Low984.1
Triple Number Windward/Leeward Medium738.6
Triple Number Windward/Leeward High630.8
Predominantly Upwind654.4
Predominantly Downwind596.6
Predominantly Reaching572.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7810
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1821
Triple Number Windward/Leeward Low0.6097
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9512
Coastal/Long Distance0.9285
Predominantly Upwind0.9169
Predominantly Downwind1.0057
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7810
Tretall Distanseseilas Mellomvind1.0081
Tretall Distanseseilas Mye vind1.1821
Tretall Pølsebane Lite vind0.6097
Tretall Pølsebane Mellomvind0.8123
Tretall Pølsebane Mye vind0.9512
Distanseseilas ett tall (OSN 8-16kn)0.9285
Distanseseilas ett tall (APH 6-20kn)1.0092
Enkeltall Motvind0.9169
Enkeltall Medvind1.0057
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Coastal/Long Distance646.20.9285
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind654.40.9169
Predominantly Downwind596.61.0057
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore600.30.9995
Cape Doctor Coastal484.31.2389
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7810
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1821
Triple Number Windward/Leeward Low0.6097
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9512
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7810
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1821
Triple Number Windward/Leeward Low0.6097
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9512
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Predominantly Upwind654.40.9169
Predominantly Downwind596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.20.9285
Triple Number Coastal/Long Distance Low768.20.7810
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.3826.4698.1618.1568.8522.2438.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low768.20.7810
Triple Number All Purpose Medium595.21.0081
Triple Number All Purpose High507.61.1821
Triple Number Windward/Leeward Low984.10.6097
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High630.80.9512
Predominantly Upwind654.40.9169
Predominantly Downwind596.61.0057
Predominantly Upwind Low869.30.6902
Predominantly Upwind Medium681.90.8799
Predominantly Upwind High629.70.9528
Predominantly Downwind Low818.60.7330
Predominantly Downwind Medium595.91.0069
Predominantly Downwind High454.81.3192
Chicago-Mac Upwind0.8998
Chicago-Mac All Purpose0.9415
Chicago-Mac Downwind0.9892
Bayview-Mac Cove Island0.8729
Bayview-Mac Shore0.8774
Harvest Moon Regatta493.51.2159
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy611.00.9820
San Francisco Bay Medium723.20.8296
Predominantly Reaching561.71.0683
Predominantly Reaching Low690.40.8690
Predominantly Reaching Medium561.01.0695
Predominantly Reaching High461.81.2992
Windward/Leeward 60-40 Low998.00.6012
Windward/Leeward 60-40 Medium764.40.7849
Windward/Leeward 60-40 High677.70.8853
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1073.80.5588
5-Band Low / Medium902.20.6651
5-Band Medium726.40.8260
5-Band Medium / High648.00.9260
5-Band High591.51.0144
ORC Ref  04590002OVRIssued on 22/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MAYK

TUR-1731

ORC
Central Rating Office
Issuing certificates for
TURKEY
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-70 ONE DESIGNMeasurement20/06/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA6.942Max. Beam2.260Draft1.450Displacement812Wetted area9.16IMS L6.720LSM06.217Acc. length6.942Sink (kg/mm) 7.48
VCGD-0.250VCGM-0.254RM Rated (kg·m) 21.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P7.975IG8.153ISP9.412MDT10.076MDL10.131MDT20.070MDL20.070TL1.000MW0.116GO0.136
E2.876J2.340BAS1.145FSD0.000SFJ0.175SPL0.000WPLTPS4.025BD0.095MWT24.00MCG3.880
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.250Flotation Date22/06/2023MeasurerComment
SFFP0.147FFMFF0.793LCFcl3.696SG1.0210
SAFP6.895FAMFA0.577LCFsh3.858HBI0.677
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04590002OVRIssued on 22/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MAYK

TUR-1731

ORC
Central Rating Office
Issuing certificates for
TURKEY
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.370.881.432.142.5715.46CLASS
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.060.350.651.251.862.458.00YesNo 10.00CLASS
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA10.808.809.805.565.7098%45.64
ORC Ref  04590002OVRIssued on 22/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org