Club
Certificate
2023

Boat

Midnight X

NOR 4525

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles41.8°40.2°38.8°38.2°38.4°38.4°38.8°
Beat VMG3.293.924.314.484.564.614.62
52°4.925.716.146.336.426.486.53
60°5.145.896.296.496.596.666.72
75°5.276.016.416.656.816.917.04
90°5.165.986.476.726.917.097.34
110°5.066.016.536.887.167.397.76
120°4.885.856.436.817.137.438.07
135°4.385.356.106.566.907.227.94
150°3.714.705.556.186.596.917.54
Run VMG3.214.084.835.526.096.507.11
Gybe Angles146.6°152.0°155.0°164.6°176.3°179.0°179.0°

APH: 623.3

CDL: 7.198

GPH: 696.2

CertNo: 7774

BOAT
ClassX-95DesignerNiels JeppesenBuilderX-YachtsAge dateSeries date01/1982Offset fileX95.OFFData file7774
HULL
Length Overall9.240 mMaximum Beam3.234 mDraft1.779 mDisplacement3,345 kgDLR8.9713IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight431 kgMinimum weight323 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.7329.31Headsail Luffed24.6124.61Headsail FlyingSymmetric52.8252.82Asymmetric
STORM SAIL AREAS (m²)
Trysail8.66Storm Jib5.73Heavy Weather Jib15.46
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.

Club
Certificate
2023

Boat

Midnight X

NOR 4525

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1095.5919.2835.1803.2789.2781.3778.9
52°731.1630.5586.6568.4560.6555.7551.4
60°699.7611.1572.5554.7546.3540.9535.3
75°683.7599.3561.7541.4528.7520.8511.5
90°698.4601.7556.8535.5520.8508.0490.2
110°711.0599.3551.1523.4503.0486.8463.8
120°737.8615.6559.9528.9504.9484.2446.2
135°822.2672.8590.0549.2521.9498.4453.1
150°971.5765.5648.8582.3546.3520.9477.8
Run VMG1121.7882.8744.8652.6591.2553.6506.3
Selected Courses
Windward / Leeward1108.6901.0790.0727.9690.2667.5642.6
All purpose858.5714.0641.0603.1580.7565.3544.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward758.80.7907
All purpose623.30.9626
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6997
Downwind "popa"0.8312
70% up, 30% down "Ilhabela"0.7346
30% up, 70% down "Ilhabela-inverso"0.7868
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Predominantly Upwind670.70.8946
Predominantly Downwind634.50.9456
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low786.30.7631
Triple Number All Purpose Medium619.40.9687
Triple Number All Purpose High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Predominantly Upwind670.70.8946
Predominantly Downwind634.50.9456
Predominantly Upwind Low861.60.6964
Predominantly Upwind Medium690.30.8692
Predominantly Upwind High655.00.9160
Predominantly Downwind Low869.50.6901
Predominantly Downwind Medium629.80.9527
Predominantly Downwind High528.41.1356
Chicago-Mac Upwind0.8803
Chicago-Mac All Purpose0.9026
Chicago-Mac Downwind0.9296
Bayview-Mac Cove Island0.8464
Bayview-Mac Shore0.8552
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching595.31.0078
Predominantly Reaching Low719.60.8338
Predominantly Reaching Medium590.01.0170
Predominantly Reaching High527.41.1376
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1092.60.5491
5-Band Low / Medium922.20.6506
5-Band Medium741.30.8094
5-Band Medium / High672.20.8926
5-Band High646.90.9275
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance676.5
Triple Number Coastal/Long Distance Low786.3
Triple Number Coastal/Long Distance Medium619.4
Triple Number Coastal/Long Distance High561.1
Triple Number Windward/Leeward Low1004.9
Triple Number Windward/Leeward Medium753.6
Triple Number Windward/Leeward High663.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7631
Triple Number Coastal/Long Distance Medium0.9687
Triple Number Coastal/Long Distance High1.0693
Triple Number Windward/Leeward Low0.5971
Triple Number Windward/Leeward Medium0.7962
Triple Number Windward/Leeward High0.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low786.3
Triple Number Coastal/Long Distance Medium619.4
Triple Number Coastal/Long Distance High561.1
Triple Number Windward/Leeward Low1004.9
Triple Number Windward/Leeward Medium753.6
Triple Number Windward/Leeward High663.8
Predominantly Upwind670.7
Predominantly Downwind634.5
Predominantly Reaching609.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7631
Triple Number Coastal/Long Distance Medium0.9687
Triple Number Coastal/Long Distance High1.0693
Triple Number Windward/Leeward Low0.5971
Triple Number Windward/Leeward Medium0.7962
Triple Number Windward/Leeward High0.9039
Coastal/Long Distance0.8869
Predominantly Upwind0.8946
Predominantly Downwind0.9456
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7631
Tretall Distanseseilas Mellomvind0.9687
Tretall Distanseseilas Mye vind1.0693
Tretall Pølsebane Lite vind0.5971
Tretall Pølsebane Mellomvind0.7962
Tretall Pølsebane Mye vind0.9039
Distanseseilas ett tall (OSN 8-16kn)0.8869
Distanseseilas ett tall (APH 6-20kn)0.9626
Enkeltall Motvind0.8946
Enkeltall Medvind0.9456
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Coastal/Long Distance676.50.8869
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind670.70.8946
Predominantly Downwind634.50.9456
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore650.00.9230
Cape Doctor Coastal550.31.0902
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7631
Triple Number Coastal/Long Distance Medium0.9687
Triple Number Coastal/Long Distance High1.0693
Triple Number Windward/Leeward Low0.5971
Triple Number Windward/Leeward Medium0.7962
Triple Number Windward/Leeward High0.9039
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7631
Triple Number Coastal/Long Distance Medium0.9687
Triple Number Coastal/Long Distance High1.0693
Triple Number Windward/Leeward Low0.5971
Triple Number Windward/Leeward Medium0.7962
Triple Number Windward/Leeward High0.9039
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Predominantly Upwind670.70.8946
Predominantly Downwind634.50.9456
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance676.50.8869
Triple Number Coastal/Long Distance Low786.30.7631
Triple Number Coastal/Long Distance Medium619.40.9687
Triple Number Coastal/Long Distance High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1109.9850.5717.0642.3602.2571.0519.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low786.30.7631
Triple Number All Purpose Medium619.40.9687
Triple Number All Purpose High561.11.0693
Triple Number Windward/Leeward Low1004.90.5971
Triple Number Windward/Leeward Medium753.60.7962
Triple Number Windward/Leeward High663.80.9039
Predominantly Upwind670.70.8946
Predominantly Downwind634.50.9456
Predominantly Upwind Low861.60.6964
Predominantly Upwind Medium690.30.8692
Predominantly Upwind High655.00.9160
Predominantly Downwind Low869.50.6901
Predominantly Downwind Medium629.80.9527
Predominantly Downwind High528.41.1356
Chicago-Mac Upwind0.8803
Chicago-Mac All Purpose0.9026
Chicago-Mac Downwind0.9296
Bayview-Mac Cove Island0.8464
Bayview-Mac Shore0.8552
Harvest Moon Regatta545.81.0993
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy654.40.9169
San Francisco Bay Medium747.40.8027
Predominantly Reaching595.31.0078
Predominantly Reaching Low719.60.8338
Predominantly Reaching Medium590.01.0170
Predominantly Reaching High527.41.1376
Windward/Leeward 60-40 Low1005.30.5968
Windward/Leeward 60-40 Medium776.20.7730
Windward/Leeward 60-40 High704.10.8521
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1092.60.5491
5-Band Low / Medium922.20.6506
5-Band Medium741.30.8094
5-Band Medium / High672.20.8926
5-Band High646.90.9275

Club
Certificate
2023

Boat

Midnight X

NOR 4525

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-95MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.240Max. Beam3.234Draft1.779Displacement3,345Wetted area17.24IMS L7.483LSM07.197Acc. length9.240Sink (kg/mm) 12.55
VCGD0.050VCGM0.091RM Rated (kg·m) 56.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0062
PSD0.030PHD0.080PHL0.130
PSA15.0°ESL0.700
ST10.030ST20.100ST30.150
ST40.150ST50.150
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders0Rotating mastNo
P11.500IG10.700ISP10.700MDT10.090MDL10.130MDT20.080MDL20.090TL2.000MW0.130GO0.130
E4.300J3.200BAS1.620FSDFoilSFJ0.000SPL3.280WPLTPS0.000BDMWT85.00MCG4.030
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.050Flotation Date01/01/2015MeasurerComment
SFFP0.504FFMFF0.998LCFcl4.812SG1.0050
SAFP8.113FAMFA0.944LCFsh5.073HBI0.969
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2023

Boat

Midnight X

NOR 4525

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment460-2022052308330.130.881.562.663.5428.7323/05/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment460-2023041221210.040.591.162.333.534.7810.43NoNo 24.6112/04/2023460-2022050409020.070.541.062.143.284.4810.40NoNo 22.7904/05/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment460-20230412211610.6710.6710.675.955.9052.8212/04/2023(332-20050521132710.7210.7210.720.000.0052.7421/05/2005