International
Certificate
2023

Boat

MIAJA X

ESP-8345

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°38.8°37.8°37.5°37.6°38.1°
Beat VMG3.904.735.245.475.585.645.67
52°5.916.957.497.727.837.907.96
60°6.207.187.687.938.058.138.21
75°6.407.327.828.138.358.498.65
90°6.277.337.828.178.488.759.12
110°6.327.488.088.518.809.059.52
120°6.167.388.038.539.009.4310.10
135°5.556.857.708.248.769.3110.70
150°4.695.906.937.688.198.679.78
Run VMG4.065.116.006.757.357.888.78
Gybe Angles143.3°146.0°149.6°156.8°164.6°175.4°176.6°

APH: 506.7

CDL: 10.723

GPH: 566.2

CertNo: 834503

BOAT
ClassX-41DesignerJEPPESENBuilderX YACHTSAge date01/2007Series date01/2006Offset fileX41.OD+.offData fileE8345
HULL
Length Overall12.350 mMaximum Beam3.646 mDraft2.509 mDisplacement7,127 kgDLR5.5381IMS DivisionCruiser/RacerDynamic Allowance0.050%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.450m
CREW
Maximum weight750 kgMinimum weight563 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail48.7549.63Headsail Luffed46.1646.16Headsail FlyingSymmetric147.66147.66Asymmetric142.47142.47 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.17Storm Jib14.28Heavy Weather Jib38.54
SAIL LIMITS
Headsails6  Spinnakers5 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment202.7 kg·mStability Index129.6
COMMENTS
360 KG DE LASTRE EN SENTINA.04/19
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  03510002ML0Issued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MIAJA X

ESP-8345

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 VMG923.1760.8686.6658.6645.3638.1635.0
52°609.3518.3480.6466.5459.8455.9452.3
60°580.4501.6468.5454.1447.3443.0438.5
75°562.6491.6460.4442.7431.1424.2416.0
90°574.5491.4460.4440.8424.5411.5394.7
110°569.9481.2445.5423.2409.1397.7378.3
120°584.2488.1448.2421.9399.9381.6356.4
135°648.7525.5467.6436.7410.8386.5336.5
150°768.0609.8519.7468.9439.8415.3367.9
Run VMG886.8704.2600.1533.4490.0456.9409.9
Selected Courses
Windward / Leeward904.9732.5643.4596.0567.6547.5522.4
All purpose699.8578.8521.4491.3472.4458.3437.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward620.40.9671
All purpose506.71.1841
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8489
Downwind "popa"1.0291
70% up, 30% down "Ilhabela"0.8960
30% up, 70% down "Ilhabela-inverso"0.9675
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Predominantly Upwind547.81.0954
Predominantly Downwind511.81.1724
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low639.30.9385
Triple Number All Purpose Medium503.91.1908
Triple Number All Purpose High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Predominantly Upwind547.81.0954
Predominantly Downwind511.81.1724
Predominantly Upwind Low709.60.8455
Predominantly Upwind Medium566.11.0599
Predominantly Upwind High534.41.1229
Predominantly Downwind Low697.10.8607
Predominantly Downwind Medium508.61.1797
Predominantly Downwind High424.41.4138
Chicago-Mac Upwind1.0770
Chicago-Mac All Purpose1.1107
Chicago-Mac Downwind1.1521
Bayview-Mac Cove Island1.0382
Bayview-Mac Shore1.0467
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching482.11.2445
Predominantly Reaching Low581.51.0318
Predominantly Reaching Medium477.71.2560
Predominantly Reaching High422.21.4211
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low891.70.6729
5-Band Low / Medium751.30.7987
5-Band Medium606.40.9894
5-Band Medium / High550.81.0893
5-Band High526.81.1390
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance549.9
Triple Number Coastal/Long Distance Low639.3
Triple Number Coastal/Long Distance Medium503.9
Triple Number Coastal/Long Distance High454.0
Triple Number Windward/Leeward Low818.8
Triple Number Windward/Leeward Medium616.1
Triple Number Windward/Leeward High543.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.7328
Triple Number Windward/Leeward Medium0.9739
Triple Number Windward/Leeward High1.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low639.3
Triple Number Coastal/Long Distance Medium503.9
Triple Number Coastal/Long Distance High454.0
Triple Number Windward/Leeward Low818.8
Triple Number Windward/Leeward Medium616.1
Triple Number Windward/Leeward High543.1
Predominantly Upwind547.8
Predominantly Downwind511.8
Predominantly Reaching492.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.7328
Triple Number Windward/Leeward Medium0.9739
Triple Number Windward/Leeward High1.1047
Coastal/Long Distance1.0911
Predominantly Upwind1.0954
Predominantly Downwind1.1724
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9385
Tretall Distanseseilas Mellomvind1.1908
Tretall Distanseseilas Mye vind1.3216
Tretall Pølsebane Lite vind0.7328
Tretall Pølsebane Mellomvind0.9739
Tretall Pølsebane Mye vind1.1047
Distanseseilas ett tall (OSN 8-16kn)1.0911
Distanseseilas ett tall (APH 6-20kn)1.1841
Enkeltall Motvind1.0954
Enkeltall Medvind1.1724
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Coastal/Long Distance549.91.0911
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind547.81.0954
Predominantly Downwind511.81.1724
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore530.01.1321
Cape Doctor Coastal443.71.3523
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.7328
Triple Number Windward/Leeward Medium0.9739
Triple Number Windward/Leeward High1.1047
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.7328
Triple Number Windward/Leeward Medium0.9739
Triple Number Windward/Leeward High1.1047
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Predominantly Upwind547.81.0954
Predominantly Downwind511.81.1724
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.1690.6583.5523.4489.9462.3419.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low639.30.9385
Triple Number All Purpose Medium503.91.1908
Triple Number All Purpose High454.01.3216
Triple Number Windward/Leeward Low818.80.7328
Triple Number Windward/Leeward Medium616.10.9739
Triple Number Windward/Leeward High543.11.1047
Predominantly Upwind547.81.0954
Predominantly Downwind511.81.1724
Predominantly Upwind Low709.60.8455
Predominantly Upwind Medium566.11.0599
Predominantly Upwind High534.41.1229
Predominantly Downwind Low697.10.8607
Predominantly Downwind Medium508.61.1797
Predominantly Downwind High424.41.4138
Chicago-Mac Upwind1.0770
Chicago-Mac All Purpose1.1107
Chicago-Mac Downwind1.1521
Bayview-Mac Cove Island1.0382
Bayview-Mac Shore1.0467
Harvest Moon Regatta441.11.3603
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy531.01.1299
San Francisco Bay Medium607.90.9869
Predominantly Reaching482.11.2445
Predominantly Reaching Low581.51.0318
Predominantly Reaching Medium477.71.2560
Predominantly Reaching High422.21.4211
Windward/Leeward 60-40 Low823.40.7287
Windward/Leeward 60-40 Medium635.50.9441
Windward/Leeward 60-40 High575.71.0423
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low891.70.6729
5-Band Low / Medium751.30.7987
5-Band Medium606.40.9894
5-Band Medium / High550.81.0893
5-Band High526.81.1390
ORC Ref  03510002ML0Issued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MIAJA X

ESP-8345

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-41Measurement17/03/2014HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.350Max. Beam3.646Draft2.509Displacement7,127Wetted area31.22IMS L11.167LSM010.876Acc. length11.850Sink (kg/mm) 23.29
VCGD-0.089VCGM-0.120RM Rated (kg·m) 202.7Limit of positive stability(°) 125.6Stability Index129.6
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.450PBW0.118PIPA0.0040
EDL1.890ST10.065ST20.180
ST30.170ST40.112ST50.320
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.970IG16.830ISP18.200MDT10.130MDL10.256MDT20.121MDL20.200TL0.930MW0.256GO0.275
E5.070J4.910BAS1.866FSD0.038SFJ0.285SPL5.207WPLTPS5.195BD0.200MWT222.00MCG5.515
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date17/04/2019MeasurerESP 295Comment
SFFP0.200FFM1.435FF1.435LCFcl6.945SG1.0260
SAFP11.995FAM1.084FA1.084LCFsh7.165HBI1.199
W1107.5W2107.5W3107.5W4107.5
PD1526.7PD2532.5PD3521.1PD4518.7
WD12.500PLM9000.00GSA1.0RSA1.0RM201.7
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG1Fixed3 lead pigs x 15kg each PORT455.300.002Fixed3 lead pigs x 15kg each STARB455.300.003Fixed18 lead pigs x 15 each CENTER2705.700.00Fixed Ballast Total360
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG001GASOIL PVC0Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Miscellaneouswater heater7.000.00ToolsTotal deductible
ORC Ref  03510002ML0Issued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MIAJA X

ESP-8345

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.161.132.003.294.2848.7521/11/2017
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0020.140.841.572.843.995.1416.85NoNo 46.1617/05/2021LGJM0.150.751.402.623.885.1416.84YesNo 44.2420/05/2018JM
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment318.3718.3718.379.759.23147.6623/02/2023216.9316.9316.938.908.49124.4118/04/2018
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00218.3415.3416.8410.219.92103%142.4723/02/2023
ORC Ref  03510002ML0Issued on 24/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org