International
Certificate
2023

Boat

JUST THE JOB

GBR-7897R

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 Angles43.0°41.2°39.4°38.2°38.1°38.1°38.8°
Beat VMG3.273.984.504.794.904.954.94
52°4.975.896.456.756.886.956.99
60°5.236.126.626.917.077.157.21
75°5.386.266.757.057.287.447.60
90°5.556.516.967.167.337.577.93
110°5.656.657.167.537.828.038.41
120°5.496.557.117.557.958.328.94
135°4.956.106.837.307.748.199.33
150°4.215.316.206.767.097.398.02
Run VMG3.654.605.375.856.166.667.34
Gybe Angles144.8°147.8°148.7°149.6°169.4°174.5°175.7°

APH: 580.4

CDL: 8.188

GPH: 649.2

CertNo: 789703

BOAT
ClassJ 97 EDesignerJOHNSTONEBuilderJ-YACHTSAge date06/2015Series date06/2009Offset fileJ97-GBR7897.offData fileGBR7897R
HULL
Length Overall9.598 mMaximum Beam3.348 mDraft1.902 mDisplacement3,663 kgDLR6.9234IMS DivisionCruiser/RacerDynamic Allowance0.200%Age Allowance0.455%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.300m
CREW
Maximum weight515 kgMinimum weight386 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.2826.68Headsail Luffed24.9424.94Headsail FlyingSymmetricAsymmetric89.7189.71 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.89Storm Jib8.12Heavy Weather Jib21.92
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment77.1 kg·mStability Index116.4
COMMENTS
OFFSET CHEKING BY ORC 2019.
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.

International
Certificate
2023

Boat

JUST THE JOB

GBR-7897R

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 VMG1102.0904.4800.3752.0735.2727.6728.4
52°724.0611.4558.0533.5523.0518.3515.3
60°688.8588.6543.7521.2509.3503.7499.0
75°669.2574.6533.1510.3494.6483.7473.5
90°648.5553.0517.3502.8491.0475.5453.7
110°637.6541.1502.5478.0460.2448.4428.2
120°655.2549.9506.0476.9453.1432.8402.6
135°727.5590.1526.8493.2465.2439.8386.0
150°854.9678.0581.1532.9507.5487.0448.9
Run VMG987.1782.9671.0615.3584.0540.4490.7
Selected Courses
Windward / Leeward1044.5843.6735.6683.6659.6634.0609.5
All purpose806.8665.3595.6560.9541.6525.9505.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward714.60.8396
All purpose580.41.0337
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7305
Downwind "popa"0.8991
70% up, 30% down "Ilhabela"0.7740
30% up, 70% down "Ilhabela-inverso"0.8409
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Predominantly Upwind629.60.9529
Predominantly Downwind584.11.0273
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low736.00.8152
Triple Number All Purpose Medium576.41.0410
Triple Number All Purpose High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Predominantly Upwind629.60.9529
Predominantly Downwind584.11.0273
Predominantly Upwind Low830.70.7223
Predominantly Upwind Medium651.80.9205
Predominantly Upwind High611.10.9819
Predominantly Downwind Low788.40.7610
Predominantly Downwind Medium579.31.0357
Predominantly Downwind High495.31.2114
Chicago-Mac Upwind0.9361
Chicago-Mac All Purpose0.9703
Chicago-Mac Downwind1.0113
Bayview-Mac Cove Island0.9030
Bayview-Mac Shore0.9076
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching550.41.0902
Predominantly Reaching Low663.00.9050
Predominantly Reaching Medium544.11.1028
Predominantly Reaching High484.11.2395
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1029.10.5830
5-Band Low / Medium864.60.6939
5-Band Medium697.50.8602
5-Band Medium / High638.50.9397
5-Band High613.80.9776
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance630.0
Triple Number Coastal/Long Distance Low736.0
Triple Number Coastal/Long Distance Medium576.4
Triple Number Coastal/Long Distance High522.1
Triple Number Windward/Leeward Low944.1
Triple Number Windward/Leeward Medium708.3
Triple Number Windward/Leeward High631.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8152
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1493
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8471
Triple Number Windward/Leeward High0.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low736.0
Triple Number Coastal/Long Distance Medium576.4
Triple Number Coastal/Long Distance High522.1
Triple Number Windward/Leeward Low944.1
Triple Number Windward/Leeward Medium708.3
Triple Number Windward/Leeward High631.2
Predominantly Upwind629.6
Predominantly Downwind584.1
Predominantly Reaching561.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8152
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1493
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8471
Triple Number Windward/Leeward High0.9505
Coastal/Long Distance0.9523
Predominantly Upwind0.9529
Predominantly Downwind1.0273
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8152
Tretall Distanseseilas Mellomvind1.0410
Tretall Distanseseilas Mye vind1.1493
Tretall Pølsebane Lite vind0.6355
Tretall Pølsebane Mellomvind0.8471
Tretall Pølsebane Mye vind0.9505
Distanseseilas ett tall (OSN 8-16kn)0.9523
Distanseseilas ett tall (APH 6-20kn)1.0337
Enkeltall Motvind0.9529
Enkeltall Medvind1.0273
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Coastal/Long Distance630.00.9523
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind629.60.9529
Predominantly Downwind584.11.0273
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore616.90.9726
Cape Doctor Coastal511.41.1733
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8152
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1493
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8471
Triple Number Windward/Leeward High0.9505
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8152
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1493
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8471
Triple Number Windward/Leeward High0.9505
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Predominantly Upwind629.60.9529
Predominantly Downwind584.11.0273
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low736.00.8152
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1038.8793.4666.5597.8562.7531.2482.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low736.00.8152
Triple Number All Purpose Medium576.41.0410
Triple Number All Purpose High522.11.1493
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium708.30.8471
Triple Number Windward/Leeward High631.20.9505
Predominantly Upwind629.60.9529
Predominantly Downwind584.11.0273
Predominantly Upwind Low830.70.7223
Predominantly Upwind Medium651.80.9205
Predominantly Upwind High611.10.9819
Predominantly Downwind Low788.40.7610
Predominantly Downwind Medium579.31.0357
Predominantly Downwind High495.31.2114
Chicago-Mac Upwind0.9361
Chicago-Mac All Purpose0.9703
Chicago-Mac Downwind1.0113
Bayview-Mac Cove Island0.9030
Bayview-Mac Shore0.9076
Harvest Moon Regatta507.41.1825
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy613.00.9788
San Francisco Bay Medium697.50.8602
Predominantly Reaching550.41.0902
Predominantly Reaching Low663.00.9050
Predominantly Reaching Medium544.11.1028
Predominantly Reaching High484.11.2395
Windward/Leeward 60-40 Low955.90.6277
Windward/Leeward 60-40 Medium731.60.8202
Windward/Leeward 60-40 High664.80.9026
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1029.10.5830
5-Band Low / Medium864.60.6939
5-Band Medium697.50.8602
5-Band Medium / High638.50.9397
5-Band High613.80.9776

International
Certificate
2023

Boat

JUST THE JOB

GBR-7897R

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 97 EMeasurement29/06/2015HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.598Max. Beam3.348Draft1.902Displacement3,663Wetted area19.58IMS L8.488LSM08.087Acc. length9.600Sink (kg/mm) 14.61
VCGD0.007VCGM0.004RM Rated (kg·m) 77.1Limit of positive stability(°) 120.3Stability Index116.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0038
EDL1.670ST10.065ST20.180
ST30.180ST40.110ST50.355
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.850IG12.597ISP13.597MDT10.110MDL10.180MDT20.110MDL20.100TL0.850MW0.180GO0.220
E3.800J3.570BAS1.507FSD0.034SFJ0.100SPL0.000WPLTPS4.950BD0.120MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date17/02/2023MeasurerESP-222CommentGood conditions
SFFP0.600FFM1.253FF1.253LCFcl5.173SG1.0260
SAFP9.303FAM0.940FA0.941LCFsh5.426HBI1.107
W149.5W249.5W349.5W449.5
PD1529.8PD2527.5PD3526.6PD4529.6
WD10.440PLM9000.00GSA1.0RSA1.0RM77.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel Tank Inox0.870050106.150.002Waste Plastic EmptyWater4006.783Water Plastic EmptyWater6004.68Total deductible96.150.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery80Ah Start6.782Battery90Ah House6.931EngineVolvo Penta D1-20Total deductible

International
Certificate
2023

Boat

JUST THE JOB

GBR-7897R

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0020.150.801.382.373.1326.2810/01/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.090.571.062.002.953.8712.53YesNo 24.9422/06/2023L0.100.551.092.002.933.8312.25YesNo 24.2910/01/2023LIGEROM0.100.551.081.972.883.8012.25YesNo 23.9910/01/2023MEDIO
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA415.1712.0013.598.027.54106%89.7122/06/2023A215.2212.0213.627.927.54105%89.0329/05/2023