Non Spin/HSFClub Certificate2025
ArielNOR 11351
Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.4°43.4°41.2°40.0°39.1°38.7°38.5°38.6°39.6°
Beat VMG2.673.664.414.885.085.195.255.295.20
52°4.175.576.527.047.267.367.427.487.48
60°4.445.866.767.247.467.567.627.717.71
75°4.636.066.927.387.657.827.928.088.15
90°4.505.956.877.387.697.958.158.448.62
110°3.905.306.347.117.557.888.208.779.13
120°3.534.926.056.907.427.788.108.759.43
135°3.004.295.436.357.047.487.818.469.18
150°2.443.604.705.646.447.067.488.118.76
Run VMG2.123.124.074.915.686.396.987.738.33
Gybe Angles144.4°144.4°150.1°156.1°163.6°171.8°177.7°179.5°179.2°
APH ToD:566.6CDL: 9.614APH ToT: 1.0589CertNo:8994
BOAT
ClassX-37DesignerX-YachtsBuilderX-YachtsAge date01/2005Series date01/2004Offset fileX-37.offData file8994
HULL
Length Overall11.345 mMaximum Beam3.470 mDraft2.046 mDisplacement7,156 kgDLR6.8888IMS DivisionCruiser/RacerDynamic Allowance0.150%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight701 kg(default)Minimum weight571 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail44.8645.71Headsail Luffed41.5041.50Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail13.29Storm Jib12.02Heavy Weather Jib32.44
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
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.
Non Spin/HSFClub Certificate2025
ArielNOR 11351
Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1349.2983.6816.0738.3708.1694.1686.3680.8691.9
52°863.9646.1551.8511.1495.8489.3485.3481.1481.5
60°811.1614.5532.5497.4482.5476.2472.2467.1467.2
75°777.5594.4520.2487.9470.7460.3454.3445.7441.5
90°800.5605.5523.9488.0468.0453.1441.5426.8417.6
110°922.1679.8567.9506.6476.7456.6439.2410.4394.4
120°1019.3731.8594.9521.8485.3463.0444.4411.5381.8
135°1202.0839.7663.5567.1511.6481.3460.7425.4392.3
150°1473.0999.1766.6638.8559.0509.8481.2443.8411.1
Run VMG1698.11153.6885.1732.9633.6563.1515.5465.6432.2
Selected Courses
Windward / Leeward1520.81068.6850.6735.6670.8628.6600.9573.2562.1
All purpose1126.1810.5662.0586.2545.7521.1504.9484.4472.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward701.30.8555
All purpose566.61.0589
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7914
Downwind "popa"0.8486
70% up, 30% down "Ilhabela"0.8077
30% up, 70% down "Ilhabela-inverso"0.8306
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Predominantly Upwind599.71.0005
Predominantly Downwind592.61.0124
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low736.30.8149
Triple Number AP Medium562.81.0661
Triple Number AP High501.31.1970
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Single Number Predominant Upwind622.90.9633
Single Number Predominant Reaching564.71.0626
Single Number Predominant Downwind622.90.9633
Predominant Upwind - Low851.10.7049
Predominant Upwind - Low/Med653.40.9183
Predominant Upwind - Medium580.31.0339
Predominant Upwind - Med/High545.01.1010
Predominant Upwind - High531.11.1298
Predominant Downwind Low944.80.6351
Predominant Downwind Low/Med682.90.8787
Predominant Downwind Medium569.31.0540
Predominant Downwind Med/High500.31.1993
Predominant Downwind High466.51.2861
Predominant Reaching Low791.30.7582
Predominant Reaching Low/Med601.20.9980
Predominant Reaching Medium525.41.1420
Predominant Reaching Med/High482.51.2435
Predominant Reaching High460.71.3025
SA/DSPL Upwind23.11SA/DSPL Downwind23.11
Scoring OptionTODTOT
5-Band Windward/Leeward Low1127.90.5320
5-Band Windward/Leeward Low/Med815.60.7356
5-Band Windward/Leeward Medium683.60.8777
5-Band Windward/Leeward Med/High606.80.9888
5-Band Windward/Leeward High576.11.0416
Windward/Leeward 60-40 Low1108.90.5411
Windward/Leeward 60-40 Low/Med812.00.7389
Windward/Leeward 60-40 Medium690.50.8690
Windward/Leeward 60-40 Med/High623.10.9629
Windward/Leeward 60-40 High597.61.0041
5-Band AP Low825.80.7266
5-Band AP Low/Med640.00.9375
5-Band AP Medium554.61.0819
5-Band AP Med/High507.61.1820
5-Band AP High485.91.2349
5-Band SF Bay Tour - Low960.70.6246
5-Band SF Bay Tour - Low/Med775.30.7739
5-Band SF Bay Tour - Medium658.20.9116
5-Band SF Bay Tour - Med/High593.71.0107
5-Band SF Bay Tour - High567.31.0576
Chicago-Mac Upwind0.9353
Chicago-Mac All Purpose0.9355
Chicago-Mac Downwind0.9246
Bayview-Mac Cove Island0.6747
Bayview-Mac Shore0.6834
Harvest Moon Regatta492.91.2173
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance619.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating619.60.9683
FinRating, kevyt tuuli1110.30.9007
FinRating, kova tuuli489.41.0217
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9683
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0662
Triple Number Coastal/Long Distance High1.1970
Triple Number Windward/Leeward Low0.6253
Triple Number Windward/Leeward Medium0.8610
Triple Number Windward/Leeward High1.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
For information
General Purpose Handicap (GPH)637.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low736.3
Triple Number Coastal/Long Distance Medium562.7
Triple Number Coastal/Long Distance High501.3
Triple Number Windward/Leeward Low959.5
Triple Number Windward/Leeward Medium696.9
Triple Number Windward/Leeward High597.4
Predominantly Upwind599.7
Predominantly Downwind592.6
Predominantly Reaching558.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0662
Triple Number Coastal/Long Distance High1.1970
Triple Number Windward/Leeward Low0.6253
Triple Number Windward/Leeward Medium0.8610
Triple Number Windward/Leeward High1.0043
Coastal/Long Distance0.9683
Predominantly Upwind1.0005
Predominantly Downwind1.0124
For information
General Purpose Handicap (GPH)637.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0589
Distanseseilas Trippeltall svak vind0.8149
Distanseseilas Trippeltall mellomvind1.0662
Distanseseilas Trippeltall sterk vind1.1970
Pølsebane Trippeltall svak vind0.6253
Pølsebane Trippeltall mellomvind0.8610
Pølsebane Trippeltall sterk vind1.0043
Motvind Singeltall1.0005
Medvind Singeltall1.0124
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Coastal/Long Distance619.60.9683
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind599.71.0005
Predominantly Downwind592.61.0124
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore565.41.0612
Cape Doctor Coastal476.11.2601
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0662
Triple Number Coastal/Long Distance High1.1970
Triple Number Windward/Leeward Low0.6253
Triple Number Windward/Leeward Medium0.8610
Triple Number Windward/Leeward High1.0043
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8149
Triple Number Coastal/Long Distance Medium1.0662
Triple Number Coastal/Long Distance High1.1970
Triple Number Windward/Leeward Low0.6253
Triple Number Windward/Leeward Medium0.8610
Triple Number Windward/Leeward High1.0043
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Predominantly Upwind599.71.0005
Predominantly Downwind592.61.0124
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance619.60.9683
Triple Number Coastal/Long Distance Low736.30.8149
Triple Number Coastal/Long Distance Medium562.71.0662
Triple Number Coastal/Long Distance High501.31.1970
Triple Number Windward/Leeward Low959.50.6253
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1649.41077.1801.3662.4583.3541.4510.5464.0449.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low736.30.8149
Triple Number AP Medium562.81.0661
Triple Number AP High501.31.1970
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium696.90.8610
Triple Number Windward/Leeward High597.41.0043
Single Number Predominant Upwind622.90.9633
Single Number Predominant Reaching564.71.0626
Single Number Predominant Downwind622.90.9633
Predominant Upwind - Low851.10.7049
Predominant Upwind - Low/Med653.40.9183
Predominant Upwind - Medium580.31.0339
Predominant Upwind - Med/High545.01.1010
Predominant Upwind - High531.11.1298
Predominant Downwind Low944.80.6351
Predominant Downwind Low/Med682.90.8787
Predominant Downwind Medium569.31.0540
Predominant Downwind Med/High500.31.1993
Predominant Downwind High466.51.2861
Predominant Reaching Low791.30.7582
Predominant Reaching Low/Med601.20.9980
Predominant Reaching Medium525.41.1420
Predominant Reaching Med/High482.51.2435
Predominant Reaching High460.71.3025
SA/DSPL Upwind23.11SA/DSPL Downwind23.11
Scoring OptionTODTOT
5-Band Windward/Leeward Low1127.90.5320
5-Band Windward/Leeward Low/Med815.60.7356
5-Band Windward/Leeward Medium683.60.8777
5-Band Windward/Leeward Med/High606.80.9888
5-Band Windward/Leeward High576.11.0416
Windward/Leeward 60-40 Low1108.90.5411
Windward/Leeward 60-40 Low/Med812.00.7389
Windward/Leeward 60-40 Medium690.50.8690
Windward/Leeward 60-40 Med/High623.10.9629
Windward/Leeward 60-40 High597.61.0041
5-Band AP Low825.80.7266
5-Band AP Low/Med640.00.9375
5-Band AP Medium554.61.0819
5-Band AP Med/High507.61.1820
5-Band AP High485.91.2349
5-Band SF Bay Tour - Low960.70.6246
5-Band SF Bay Tour - Low/Med775.30.7739
5-Band SF Bay Tour - Medium658.20.9116
5-Band SF Bay Tour - Med/High593.71.0107
5-Band SF Bay Tour - High567.31.0576
Chicago-Mac Upwind0.9353
Chicago-Mac All Purpose0.9355
Chicago-Mac Downwind0.9246
Bayview-Mac Cove Island0.6747
Bayview-Mac Shore0.6834
Harvest Moon Regatta492.91.2173
Non Spin/HSFClub Certificate2025
ArielNOR 11351
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-37MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.345Max. Beam3.470Draft2.046Displacement7,156Wetted area28.43IMS L10.334LSM010.127Acc. length11.277Sink (kg/mm) 20.93
VCGD0.090VCGM0.052RM Rated (kg·m) 147.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight701Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0035
EDL2.430ST10.042ST20.180
ST30.180ST40.112ST50.300
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.890IG15.500ISP15.530MDT10.120MDL10.210MDT20.110MDL20.190TL0.660MW0.210GO0.210
E5.100J4.090BAS1.760FSDFoilSFJ0.000SPL4.182WPLTPS4.682BD0.000MWT204.50MCG5.180
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.090Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
ArielNOR 11351
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2018082814460.051.021.893.284.2844.8628/08/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2024042515030.080.681.312.664.065.5415.29NoNo 41.5025/04/2024Genoa 1 medium 2024306-2016041111050.120.571.082.143.264.4015.20NoNo 33.1811/04/2016
CRUISER/RACER REQUIREMENTS*
Accommodation length11.3 mTable area0.55 m²Headroom1.78 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity133 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity76 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.