International
Certificate
2023

Boat

FORTE

EST 475

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.0°40.8°39.0°38.2°37.6°38.1°38.2°
Beat VMG3.904.745.245.465.575.645.67
52°5.946.997.527.747.857.927.98
60°6.257.237.727.958.078.158.24
75°6.457.377.868.178.398.538.70
90°6.327.357.858.228.558.829.19
110°6.377.548.158.548.839.099.58
120°6.237.468.128.649.129.4910.20
135°5.576.967.808.368.919.5211.12
150°4.705.957.027.758.188.569.67
Run VMG4.075.156.086.727.087.508.38
Gybe Angles143.3°146.5°148.7°150.7°150.3°173.0°143.0°

APH: 505.4

CDL: 10.705

GPH: 564.4

CertNo: 248/21

BOAT
ClassX-41DesignerJEPPESENBuilderX YACHTSAge date05/2007Series date01/2006Offset fileX41-EST475B.offData fileEST475
HULL
Length Overall12.350 mMaximum Beam3.646 mDraft2.345 mDisplacement7,055 kgDLR5.5931IMS DivisionCruiser/RacerDynamic Allowance0.020%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight890 kgMinimum weight668 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail52.1053.13Headsail Luffed48.8848.88Headsail FlyingSymmetricAsymmetric166.10166.10 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.26Storm Jib14.65Heavy Weather Jib39.54
SAIL LIMITS
Headsails6  Spinnakers5 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment202.0 kg·mStability Index130.4
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  04340002LIRIssued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

FORTE

EST 475

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG923.2758.9686.5659.4645.8638.2634.7
52°606.0515.1478.7465.3458.7454.7451.0
60°576.1498.3466.4452.7446.0441.6436.8
75°557.8488.2457.9440.4429.0422.2413.9
90°569.9489.9458.6437.9421.2408.0391.8
110°564.9477.3442.0421.3407.7395.9375.7
120°577.5482.5443.6416.7394.9379.2353.0
135°646.1517.6461.7430.8403.9378.1323.7
150°765.6605.2513.0464.3440.2420.6372.1
Run VMG884.0698.8592.3535.7508.1480.2429.7
Selected Courses
Windward / Leeward903.6728.9639.4597.5577.0559.2532.2
All purpose697.0575.1518.1489.9473.2459.8437.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward623.10.9629
All purpose505.41.1871
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8490
Downwind "popa"1.0172
70% up, 30% down "Ilhabela"0.8934
30% up, 70% down "Ilhabela-inverso"0.9602
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Predominantly Upwind546.11.0987
Predominantly Downwind510.11.1762
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low636.00.9434
Triple Number All Purpose Medium502.21.1948
Triple Number All Purpose High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Predominantly Upwind546.11.0987
Predominantly Downwind510.11.1762
Predominantly Upwind Low707.10.8485
Predominantly Upwind Medium565.21.0615
Predominantly Upwind High533.91.1239
Predominantly Downwind Low693.30.8654
Predominantly Downwind Medium507.11.1831
Predominantly Downwind High430.71.3930
Chicago-Mac Upwind1.0803
Chicago-Mac All Purpose1.1152
Chicago-Mac Downwind1.1568
Bayview-Mac Cove Island1.0426
Bayview-Mac Shore1.0511
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching479.21.2520
Predominantly Reaching Low577.61.0387
Predominantly Reaching Medium474.51.2644
Predominantly Reaching High418.71.4332
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low890.20.6740
5-Band Low / Medium748.60.8015
5-Band Medium608.80.9856
5-Band Medium / High560.91.0697
5-Band High536.91.1176
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance548.8
Triple Number Coastal/Long Distance Low636.0
Triple Number Coastal/Long Distance Medium502.2
Triple Number Coastal/Long Distance High454.8
Triple Number Windward/Leeward Low816.2
Triple Number Windward/Leeward Medium617.3
Triple Number Windward/Leeward High553.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9434
Triple Number Coastal/Long Distance Medium1.1948
Triple Number Coastal/Long Distance High1.3192
Triple Number Windward/Leeward Low0.7351
Triple Number Windward/Leeward Medium0.9720
Triple Number Windward/Leeward High1.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low636.0
Triple Number Coastal/Long Distance Medium502.2
Triple Number Coastal/Long Distance High454.8
Triple Number Windward/Leeward Low816.2
Triple Number Windward/Leeward Medium617.3
Triple Number Windward/Leeward High553.5
Predominantly Upwind546.1
Predominantly Downwind510.1
Predominantly Reaching489.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9434
Triple Number Coastal/Long Distance Medium1.1948
Triple Number Coastal/Long Distance High1.3192
Triple Number Windward/Leeward Low0.7351
Triple Number Windward/Leeward Medium0.9720
Triple Number Windward/Leeward High1.0840
Coastal/Long Distance1.0934
Predominantly Upwind1.0987
Predominantly Downwind1.1762
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9434
Tretall Distanseseilas Mellomvind1.1948
Tretall Distanseseilas Mye vind1.3192
Tretall Pølsebane Lite vind0.7351
Tretall Pølsebane Mellomvind0.9720
Tretall Pølsebane Mye vind1.0840
Distanseseilas ett tall (OSN 8-16kn)1.0934
Distanseseilas ett tall (APH 6-20kn)1.1871
Enkeltall Motvind1.0987
Enkeltall Medvind1.1762
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Coastal/Long Distance548.81.0934
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind546.11.0987
Predominantly Downwind510.11.1762
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore540.31.1105
Cape Doctor Coastal444.31.3505
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9434
Triple Number Coastal/Long Distance Medium1.1948
Triple Number Coastal/Long Distance High1.3192
Triple Number Windward/Leeward Low0.7351
Triple Number Windward/Leeward Medium0.9720
Triple Number Windward/Leeward High1.0840
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9434
Triple Number Coastal/Long Distance Medium1.1948
Triple Number Coastal/Long Distance High1.3192
Triple Number Windward/Leeward Low0.7351
Triple Number Windward/Leeward Medium0.9720
Triple Number Windward/Leeward High1.0840
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Predominantly Upwind546.11.0987
Predominantly Downwind510.11.1762
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.81.0934
Triple Number Coastal/Long Distance Low636.00.9434
Triple Number Coastal/Long Distance Medium502.21.1948
Triple Number Coastal/Long Distance High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance901.7686.9579.9522.0490.8464.1419.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low636.00.9434
Triple Number All Purpose Medium502.21.1948
Triple Number All Purpose High454.81.3192
Triple Number Windward/Leeward Low816.20.7351
Triple Number Windward/Leeward Medium617.30.9720
Triple Number Windward/Leeward High553.51.0840
Predominantly Upwind546.11.0987
Predominantly Downwind510.11.1762
Predominantly Upwind Low707.10.8485
Predominantly Upwind Medium565.21.0615
Predominantly Upwind High533.91.1239
Predominantly Downwind Low693.30.8654
Predominantly Downwind Medium507.11.1831
Predominantly Downwind High430.71.3930
Chicago-Mac Upwind1.0803
Chicago-Mac All Purpose1.1152
Chicago-Mac Downwind1.1568
Bayview-Mac Cove Island1.0426
Bayview-Mac Shore1.0511
Harvest Moon Regatta440.01.3636
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy535.61.1202
San Francisco Bay Medium606.80.9888
Predominantly Reaching479.21.2520
Predominantly Reaching Low577.61.0387
Predominantly Reaching Medium474.51.2644
Predominantly Reaching High418.71.4332
Windward/Leeward 60-40 Low821.20.7306
Windward/Leeward 60-40 Medium636.40.9428
Windward/Leeward 60-40 High582.51.0300
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low890.20.6740
5-Band Low / Medium748.60.8015
5-Band Medium608.80.9856
5-Band Medium / High560.91.0697
5-Band High536.91.1176
ORC Ref  04340002LIRIssued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

FORTE

EST 475

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-41Measurement17/04/2016HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.350Max. Beam3.646Draft2.345Displacement7,055Wetted area32.58IMS L11.153LSM010.804Acc. length11.850Sink (kg/mm) 23.10
VCGD-0.132VCGM-0.154RM Rated (kg·m) 202.0Limit of positive stability(°) 126.5Stability Index130.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBW0.125PIPA0.0041
EDL1.560ST10.067ST20.178
ST30.180ST40.112ST50.325
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.850IG17.030ISP18.170MDT10.131MDL10.251MDT20.122MDL20.190TL0.550MW0.251GO0.276
E5.500J5.190BAS1.865FSD0.036SFJ0.000SPL5.268WPLTPS6.710BD0.270MWT204.00MCG5.810
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/05/2023MeasurerEST9CommentGood conditions
SFFP0.200FFM1.440FF1.449LCFcl6.928SG1.0020
SAFP11.995FAM1.091FA1.097LCFsh7.147HBI1.208
W199.8W299.8W399.8W499.8
PD1497.9PD2498.7PD3503.3PD4501.2
WD12.710PLM9000.00GSA1.0RSA1.0RM199.7
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel metal0.90009057.002Water plastic18006.003Waste metal1504.00Total deductible57.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG-MiscellaneousRemoved upper shelvs1BatteryEngine battery258.002BatteryService batteries1205.001EngineVolvo-Penta D2 (29 kW)Total deductible0
ORC Ref  04340002LIRIssued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

FORTE

EST 475

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment4a0.401.182.133.544.5752.1002/05/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment130.120.881.612.914.155.4517.14YesNo 48.8807/03/20232023 Light140.120.851.592.924.145.4217.14YesNo 48.6804/03/20232023 Medium11a0.140.781.422.663.885.1716.18YesNo 42.8302/05/20232021 M/H120.130.661.252.493.765.0115.97YesNo 40.132018 G3
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment3a20.0917.5118.8010.5011.0195%166.1018/07/2021A1,5520.8216.7018.7610.7210.24105%166.0924/06/20222B20.3317.1418.7410.5810.25103%164.1516/08/2022A2418.4915.2916.898.179.3887%118.402021 A5
ORC Ref  04340002LIRIssued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org