International
One Design
Certificate
2024

Boat

X-99

MNA-1234

Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.3°39.6°37.9°37.2°37.2°37.1°37.3°39.0°
Beat VMG3.794.504.814.955.035.085.125.01
52°5.706.486.786.906.977.037.107.09
60°5.956.656.947.087.167.237.337.35
75°6.106.767.107.317.447.557.727.81
90°5.986.737.137.437.667.868.158.36
110°5.776.757.257.627.918.148.609.06
120°5.586.647.207.658.078.499.2210.03
135°4.956.126.887.367.848.379.8912.26
150°4.085.206.196.907.357.808.9011.30
Run VMG3.534.505.366.116.687.147.999.78
Gybe Angles136.4°147.8°150.5°158.2°173.6°177.7°177.1°143.9°
APH ToD:560.1CDL: 8.554APH ToT: 1.0713CertNo:X-99
BOAT
ClassX-99DesignerNIELS JEPPESENBuilderX-YACHTSAge date01/1986Series date04/1985Offset fileX99.od.OFFData filex99
HULL
Length Overall9.960 mMaximum Beam2.990 mDraft1.788 mDisplacement2,980 kgDLR5.4885IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.356m
CREW
Maximum weight512 kg(declared)Minimum weight382 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.8433.46Headsail Luffed30.2430.25Headsail FlyingSymmetric74.5774.57Asymmetric
STORM SAIL AREAS (m²)
Trysail9.85Storm Jib6.42Heavy Weather Jib17.32
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment60.9 kg·mStability Index111.9
COMMENTS
BASED ON CLASS RULES
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
One Design
Certificate
2024

Boat

X-99

MNA-1234

Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG950.9799.8747.8726.7715.8708.0702.7718.5
52°631.9555.6531.3521.8516.2511.8507.0507.4
60°605.0541.3518.6508.8502.8497.7491.5489.8
75°589.7532.2507.3492.4483.6476.6466.1461.2
90°601.8534.6504.8484.8469.8458.2441.8430.6
110°624.4533.0496.5472.7455.2442.1418.5397.2
120°645.6542.4500.2470.7446.2424.0390.4358.9
135°727.2588.6523.6489.1458.9430.1363.9293.7
150°883.1692.8581.5521.9489.8461.3404.4318.7
Run VMG1019.7800.0671.2589.5538.6504.2450.7368.0
Selected Courses
Windward / Leeward985.3799.9709.5658.1627.2606.1576.7543.3
All purpose755.3632.0576.2545.1525.5510.1484.4458.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward683.50.8779
All purpose560.11.0713
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7848
Downwind "popa"0.9182
70% up, 30% down "Ilhabela"0.8206
30% up, 70% down "Ilhabela-inverso"0.8737
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Predominantly Upwind602.10.9966
Predominantly Downwind567.81.0568
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low693.70.8650
Triple Number AP Medium557.91.0755
Triple Number AP High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Single Number Predominant Upwind600.20.9997
Single Number Predominant Reaching536.51.1184
Single Number Predominant Downwind569.11.0542
Predominant Upwind - Low744.40.8061
Predominant Upwind - Low/Med644.20.9314
Predominant Upwind - Medium588.61.0194
Predominant Upwind - Med/High558.31.0748
Predominant Upwind - High540.71.1096
Predominant Downwind Low775.80.7734
Predominant Downwind Low/Med639.50.9383
Predominant Downwind Medium550.71.0895
Predominant Downwind Med/High490.51.2232
Predominant Downwind High444.91.3487
Predominant Reaching Low679.20.8833
Predominant Reaching Low/Med583.61.0281
Predominant Reaching Medium524.71.1434
Predominant Reaching Med/High484.41.2386
Predominant Reaching High453.51.3230
SA/DSPL Upwind30.35SA/DSPL Downwind51.67
Scoring OptionTODTOT
5-Band Windward/Leeward Low943.20.6361
5-Band Windward/Leeward Low/Med774.40.7748
5-Band Windward/Leeward Medium669.00.8969
5-Band Windward/Leeward Med/High609.10.9851
5-Band Windward/Leeward High576.01.0416
Windward/Leeward 60-40 Low937.90.6397
Windward/Leeward 60-40 Low/Med778.10.7711
Windward/Leeward 60-40 Medium681.70.8801
Windward/Leeward 60-40 Med/High629.30.9535
Windward/Leeward 60-40 High602.10.9965
5-Band AP Low727.30.8249
5-Band AP Low/Med617.70.9714
5-Band AP Medium551.31.0883
5-Band AP Med/High511.31.1735
5-Band AP High484.41.2387
5-Band SF Bay Tour - Low891.00.6734
5-Band SF Bay Tour - Low/Med738.70.8122
5-Band SF Bay Tour - Medium646.80.9276
5-Band SF Bay Tour - Med/High594.51.0092
5-Band SF Bay Tour - High563.01.0658
Chicago-Mac Upwind0.9808
Chicago-Mac All Purpose1.0067
Chicago-Mac Downwind1.0383
Bayview-Mac Cove Island0.9497
Bayview-Mac Shore0.9585
Harvest Moon Regatta488.31.2289
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance607.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8650
Triple Number Coastal/Long Distance Medium1.0756
Triple Number Coastal/Long Distance High1.1898
Triple Number Windward/Leeward Low0.6722
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low693.6
Triple Number Coastal/Long Distance Medium557.8
Triple Number Coastal/Long Distance High504.3
Triple Number Windward/Leeward Low892.6
Triple Number Windward/Leeward Medium679.3
Triple Number Windward/Leeward High600.4
Predominantly Upwind602.1
Predominantly Downwind567.8
Predominantly Reaching544.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8650
Triple Number Coastal/Long Distance Medium1.0756
Triple Number Coastal/Long Distance High1.1898
Triple Number Windward/Leeward Low0.6722
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9994
Coastal/Long Distance0.9877
Predominantly Upwind0.9966
Predominantly Downwind1.0568
For information
General Purpose Handicap (GPH)622.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8650
Tretall Distanseseilas Mellomvind1.0756
Tretall Distanseseilas Mye vind1.1898
Tretall Pølsebane Lite vind0.6722
Tretall Pølsebane Mellomvind0.8832
Tretall Pølsebane Mye vind0.9994
Distanseseilas ett tall1.0713
Enkeltall Motvind0.9966
Enkeltall Medvind1.0568
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Coastal/Long Distance607.50.9877
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind602.10.9966
Predominantly Downwind567.81.0568
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore553.31.0844
Cape Doctor Coastal466.41.2864
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8650
Triple Number Coastal/Long Distance Medium1.0756
Triple Number Coastal/Long Distance High1.1898
Triple Number Windward/Leeward Low0.6722
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9994
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8650
Triple Number Coastal/Long Distance Medium1.0756
Triple Number Coastal/Long Distance High1.1898
Triple Number Windward/Leeward Low0.6722
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9994
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Predominantly Upwind602.10.9966
Predominantly Downwind567.81.0568
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.50.9877
Triple Number Coastal/Long Distance Low693.60.8650
Triple Number Coastal/Long Distance Medium557.81.0756
Triple Number Coastal/Long Distance High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance988.7755.5644.2580.1544.5514.3464.6438.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low693.70.8650
Triple Number AP Medium557.91.0755
Triple Number AP High504.31.1898
Triple Number Windward/Leeward Low892.60.6722
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High600.40.9994
Single Number Predominant Upwind600.20.9997
Single Number Predominant Reaching536.51.1184
Single Number Predominant Downwind569.11.0542
Predominant Upwind - Low744.40.8061
Predominant Upwind - Low/Med644.20.9314
Predominant Upwind - Medium588.61.0194
Predominant Upwind - Med/High558.31.0748
Predominant Upwind - High540.71.1096
Predominant Downwind Low775.80.7734
Predominant Downwind Low/Med639.50.9383
Predominant Downwind Medium550.71.0895
Predominant Downwind Med/High490.51.2232
Predominant Downwind High444.91.3487
Predominant Reaching Low679.20.8833
Predominant Reaching Low/Med583.61.0281
Predominant Reaching Medium524.71.1434
Predominant Reaching Med/High484.41.2386
Predominant Reaching High453.51.3230
SA/DSPL Upwind30.35SA/DSPL Downwind51.67
Scoring OptionTODTOT
5-Band Windward/Leeward Low943.20.6361
5-Band Windward/Leeward Low/Med774.40.7748
5-Band Windward/Leeward Medium669.00.8969
5-Band Windward/Leeward Med/High609.10.9851
5-Band Windward/Leeward High576.01.0416
Windward/Leeward 60-40 Low937.90.6397
Windward/Leeward 60-40 Low/Med778.10.7711
Windward/Leeward 60-40 Medium681.70.8801
Windward/Leeward 60-40 Med/High629.30.9535
Windward/Leeward 60-40 High602.10.9965
5-Band AP Low727.30.8249
5-Band AP Low/Med617.70.9714
5-Band AP Medium551.31.0883
5-Band AP Med/High511.31.1735
5-Band AP High484.41.2387
5-Band SF Bay Tour - Low891.00.6734
5-Band SF Bay Tour - Low/Med738.70.8122
5-Band SF Bay Tour - Medium646.80.9276
5-Band SF Bay Tour - Med/High594.51.0092
5-Band SF Bay Tour - High563.01.0658
Chicago-Mac Upwind0.9808
Chicago-Mac All Purpose1.0067
Chicago-Mac Downwind1.0383
Bayview-Mac Cove Island0.9497
Bayview-Mac Shore0.9585
Harvest Moon Regatta488.31.2289

International
One Design
Certificate
2024

Boat

X-99

MNA-1234

Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-99Measurement29/07/2015HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.960Max. Beam2.990Draft1.788Displacement2,980Wetted area18.41IMS L8.663LSM08.158Acc. length9.717Sink (kg/mm) 13.61
VCGD-0.068VCGM-0.016RM Rated (kg·m) 60.9Limit of positive stability(°) 114.4Stability Index111.9Default crew weight515Declared crew weight512
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.356PBW0.090PIPA0.0035
EDL1.075ST10.065ST20.180
ST30.180ST40.110ST50.256
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays1Spreaders2Rotating mastNo
P12.500IG11.325ISP11.325MDT10.090MDL10.136MDT20.060MDL20.080TL2.100MW0.136GO0.136
E4.500J3.435BAS1.660FSD0.000SFJ0.000SPL3.530WPLTPSBD0.140MWT77.60MCG3.950
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date29/07/2015
SFFP0.303FFM0.997FF0.997LCFcl5.448SG1.0250
SAFP9.175FAM0.802FA0.802LCFsh5.638HBI0.941
W141.0W241.0W341.0W441.0
PD1222.0PD2220.0PD3223.0PD4220.0
WD9.370PLM2005.00GSA12.6RSA4298.7RM60.7
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

International
One Design
Certificate
2024

Boat

X-99

MNA-1234

MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.160.921.652.803.7232.84* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.105.1711.50NoNo 30.24* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC11.2011.2011.208.406.3574.57* Copied from legacy *ORC211.2011.2011.206.206.2057.87