International
Certificate
2023

Boat

JAY WALKER

NED-6977

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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°38.7°37.2°37.0°36.9°36.9°
Beat VMG3.684.434.915.135.255.315.35
52°5.576.476.927.137.237.307.35
60°5.826.657.067.287.407.487.56
75°5.986.757.167.427.627.767.92
90°5.856.707.157.457.717.938.28
110°5.586.687.257.637.958.208.57
120°5.456.577.207.638.018.389.04
135°4.926.106.907.397.818.239.20
150°4.155.296.266.957.397.798.62
Run VMG3.604.585.436.136.707.177.92
Gybe Angles144.2°148.7°152.0°158.3°170.0°177.2°177.2°

APH: 553.2

CDL: 9.187

GPH: 618.4

CertNo: 697701

BOAT
ClassJ 35DesignerJ. JHONSTONEBuilderT&PAge date01/1993Series date01/1983Offset fileJ35-CRUISING.offData fileNED6977
HULL
Length Overall10.790 mMaximum Beam3.382 mDraft1.966 mDisplacement4,870 kgDLR6.4415IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight430 kgMinimum weight323 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.9330.37Headsail Luffed45.3845.38Headsail FlyingSymmetric94.3094.30Asymmetric
STORM SAIL AREAS (m²)
Trysail9.19Storm Jib10.06Heavy Weather Jib27.16
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment126.9 kg·mStability Index128.1
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  03510002C32Issued on 03/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

JAY WALKER

NED-6977

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG978.7812.5732.6701.3686.2678.0672.9
52°646.9556.5520.3504.8497.8493.5489.6
60°618.2541.4510.1494.6486.4481.4476.3
75°602.4533.0503.1485.1472.3463.9454.3
90°615.7537.4503.4482.9466.8453.7434.8
110°645.0538.9496.3471.6452.8439.1419.8
120°661.0547.6499.9472.0449.2429.8398.0
135°731.6589.7521.5487.3461.2437.6391.1
150°866.5680.5575.3518.1487.1462.4417.6
Run VMG1000.6785.7663.3587.1537.1501.8454.5
Selected Courses
Windward / Leeward989.7799.1697.9644.2611.7589.9563.7
All purpose765.0633.4569.4536.0515.1500.2478.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward671.80.8932
All purpose553.21.0845
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7981
Downwind "popa"0.9271
70% up, 30% down "Ilhabela"0.8329
30% up, 70% down "Ilhabela-inverso"0.8842
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Predominantly Upwind592.81.0122
Predominantly Downwind564.11.0637
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low699.20.8581
Triple Number All Purpose Medium550.01.0909
Triple Number All Purpose High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Predominantly Upwind592.81.0122
Predominantly Downwind564.11.0637
Predominantly Upwind Low764.60.7847
Predominantly Upwind Medium608.70.9857
Predominantly Upwind High574.01.0453
Predominantly Downwind Low772.60.7766
Predominantly Downwind Medium561.91.0677
Predominantly Downwind High471.01.2739
Chicago-Mac Upwind0.9959
Chicago-Mac All Purpose1.0175
Chicago-Mac Downwind1.0455
Bayview-Mac Cove Island0.9514
Bayview-Mac Shore0.9619
Victoria-Maui1.1153
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance599.8
Triple Number Coastal/Long Distance Low699.2
Triple Number Coastal/Long Distance Medium550.0
Triple Number Coastal/Long Distance High495.9
Triple Number Windward/Leeward Low894.5
Triple Number Windward/Leeward Medium666.9
Triple Number Windward/Leeward High585.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8581
Triple Number Coastal/Long Distance Medium1.0909
Triple Number Coastal/Long Distance High1.2100
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low699.2
Triple Number Coastal/Long Distance Medium550.0
Triple Number Coastal/Long Distance High495.9
Triple Number Windward/Leeward Low894.5
Triple Number Windward/Leeward Medium666.9
Triple Number Windward/Leeward High585.5
Predominantly Upwind592.8
Predominantly Downwind564.1
Predominantly Reaching541.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8581
Triple Number Coastal/Long Distance Medium1.0909
Triple Number Coastal/Long Distance High1.2100
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0247
Coastal/Long Distance1.0004
Predominantly Upwind1.0122
Predominantly Downwind1.0637
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8581
Tretall Distanseseilas Mellomvind1.0909
Tretall Distanseseilas Mye vind1.2100
Tretall Pølsebane Lite vind0.6708
Tretall Pølsebane Mellomvind0.8997
Tretall Pølsebane Mye vind1.0247
Distanseseilas ett tall (OSN 8-16kn)1.0004
Distanseseilas ett tall (APH 6-20kn)1.0845
Enkeltall Motvind1.0122
Enkeltall Medvind1.0637
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Coastal/Long Distance599.81.0004
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind592.81.0122
Predominantly Downwind564.11.0637
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore571.61.0497
Cape Doctor Coastal485.21.2367
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8581
Triple Number Coastal/Long Distance Medium1.0909
Triple Number Coastal/Long Distance High1.2100
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0247
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8581
Triple Number Coastal/Long Distance Medium1.0909
Triple Number Coastal/Long Distance High1.2100
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0247
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Predominantly Upwind592.81.0122
Predominantly Downwind564.11.0637
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.81.0004
Triple Number Coastal/Long Distance Low699.20.8581
Triple Number Coastal/Long Distance Medium550.01.0909
Triple Number Coastal/Long Distance High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance990.7754.7635.1569.5533.9505.4460.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low699.20.8581
Triple Number All Purpose Medium550.01.0909
Triple Number All Purpose High495.91.2100
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High585.51.0247
Predominantly Upwind592.81.0122
Predominantly Downwind564.11.0637
Predominantly Upwind Low764.60.7847
Predominantly Upwind Medium608.70.9857
Predominantly Upwind High574.01.0453
Predominantly Downwind Low772.60.7766
Predominantly Downwind Medium561.91.0677
Predominantly Downwind High471.01.2739
Chicago-Mac Upwind0.9959
Chicago-Mac All Purpose1.0175
Chicago-Mac Downwind1.0455
Bayview-Mac Cove Island0.9514
Bayview-Mac Shore0.9619
Harvest Moon Regatta486.71.2328
Victoria-Maui1.1153
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy574.51.0443
San Francisco Bay Medium659.90.9093
Predominantly Reaching1.1342
Predominantly Reaching Low0.9415
Predominantly Reaching Medium1.1432
Predominantly Reaching High1.2856
Windward/Leeward 60-40 Low894.60.6707
Windward/Leeward 60-40 Medium684.10.8771
Windward/Leeward 60-40 High617.00.9724
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low975.00.6154
5-Band Low / Medium819.00.7326
5-Band Medium656.00.9146
5-Band Medium / High593.71.0106
5-Band High568.21.0559
ORC Ref  03510002C32Issued on 03/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

JAY WALKER

NED-6977

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 35Measurement10/02/2018HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.790Max. Beam3.382Draft1.966Displacement4,870Wetted area23.83IMS L9.307LSM09.109Acc. length10.790Sink (kg/mm) 17.56
VCGD-0.245VCGM-0.217RM Rated (kg·m) 126.9Limit of positive stability(°) 127.7Stability Index128.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.400PBW0.110PIPA0.0029
PSD0.025PHD0.045PHL0.150
PSA17.7°ESL0.800
ST10.046ST20.100ST30.130
ST40.043ST50.163
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.350IG14.120ISP14.270MDT10.115MDL10.177MDT20.100MDL20.130TL1.440MW0.130GO0.150
E4.250J4.470BAS1.450FSD0.033SFJ0.000SPL4.549WPLTPSBD0.152MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date15/05/2022MeasurerComment
SFFP0.597FFM1.251FF1.250LCFcl6.098SG1.0270
SAFP10.284FAM0.940FA0.940LCFsh6.331HBI1.057
W179.0W279.0W379.0W479.0
PD1603.5PD2604.4PD3597.1PD4601.2
WD12.240PLM9000.00GSA1.0RSA1.0RM126.6
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1WATER FIX9005.952FUEL FIX70606.05Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery1x 108AH7.702Battery1x 108AH8.001EngineYANMAR 3GMTotal deductible
ORC Ref  03510002C32Issued on 03/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

JAY WALKER

NED-6977

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.170.851.472.553.4529.9302/02/202310.120.831.492.563.4429.9115/02/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.751.493.094.786.4414.38NoNo 45.3815/02/202230.090.551.122.153.164.2713.99NoNo 30.0015/02/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentBlau14.3614.3614.367.907.8094.3015/02/2022Rosa14.3614.3614.367.887.7894.0615/02/2022Groc13.9013.9013.907.587.2987.1315/02/2022
ORC Ref  03510002C32Issued on 03/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org