Non Spin/HSFClub Certificate2025
Blanke Arc ^2NOR 15410
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 Angles43.2°43.2°41.4°39.7°38.2°37.5°37.1°37.3°38.0°
Beat VMG2.693.724.555.165.495.655.745.845.83
52°4.205.686.767.427.757.907.998.118.14
60°4.485.997.027.627.948.128.228.368.42
75°4.686.207.197.758.118.388.578.818.95
90°4.556.077.117.738.118.448.769.239.53
110°3.985.406.497.357.898.308.699.4610.25
120°3.564.986.187.107.718.148.549.3310.27
135°2.994.325.506.487.257.788.188.959.79
150°2.453.634.755.746.597.297.798.539.28
Run VMG2.123.144.125.005.816.567.228.098.81
Gybe Angles144.8°144.8°150.5°156.1°163.1°174.4°176.3°178.2°178.2°
APH ToD:540.7CDL: 10.906APH ToT: 1.1097CertNo:666850
BOAT
ClassArcona 410DesignerStefanQvibergBuilderArcona YachtsAge date01/2015Series date01/2011Offset filearcona410.offData file666850
HULL
Length Overall12.150 mMaximum Beam3.882 mDraft2.200 mDisplacement7,945 kgDLR5.5984IMS DivisionCruiser/RacerDynamic Allowance0.210%Age Allowance0.455%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight813 kg(default)Minimum weight683 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail55.0056.02Headsail Luffed41.4941.49Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail16.59Storm Jib13.78Heavy Weather Jib37.21
SAIL LIMITS
Headsails6
✱ 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
Blanke Arc ^2NOR 15410
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 VMG1340.2967.2790.7697.8655.4637.2626.7616.3617.9
52°858.0633.5532.6485.0464.5455.6450.3444.1442.3
60°803.2600.5512.5472.6453.5443.5438.0430.6427.7
75°769.1580.4500.5464.3444.1429.8419.9408.6402.4
90°791.1592.7506.6466.0443.6426.3411.2390.0377.7
110°905.3666.5554.8489.6456.0433.7414.3380.4351.1
120°1012.6722.3582.9507.2466.7442.2421.7385.8350.7
135°1203.3834.0654.0555.7496.5462.6440.3402.4367.9
150°1469.9992.7757.8627.3546.4494.0462.4422.2387.8
Run VMG1695.51146.2874.7719.7619.4548.4498.9444.7408.8
Selected Courses
Windward / Leeward1515.31056.7832.7708.8637.4592.8562.8530.5513.4
All purpose1119.6799.0645.8563.8518.5491.1472.5448.1431.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward670.50.8949
All purpose540.71.1097
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8415
Downwind "popa"0.8656
70% up, 30% down "Ilhabela"0.8486
30% up, 70% down "Ilhabela-inverso"0.8582
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Predominantly Upwind569.21.0541
Predominantly Downwind573.31.0466
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low722.40.8305
Triple Number AP Medium537.41.1164
Triple Number AP High468.01.2821
Triple Number Windward/Leeward Low989.60.6063
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Single Number Predominant Upwind592.51.0127
Single Number Predominant Reaching541.71.1075
Single Number Predominant Downwind603.30.9946
Predominant Upwind - Low838.40.7156
Predominant Upwind - Low/Med630.10.9522
Predominant Upwind - Medium547.81.0952
Predominant Upwind - Med/High506.11.1856
Predominant Upwind - High488.01.2294
Predominant Downwind Low936.20.6409
Predominant Downwind Low/Med667.60.8988
Predominant Downwind Medium548.81.0934
Predominant Downwind Med/High475.01.2632
Predominant Downwind High437.51.3715
Predominant Reaching Low780.80.7684
Predominant Reaching Low/Med583.31.0286
Predominant Reaching Medium501.51.1965
Predominant Reaching Med/High453.01.3244
Predominant Reaching High427.01.4051
SA/DSPL Upwind24.07SA/DSPL Downwind24.07
Scoring OptionTODTOT
5-Band Windward/Leeward Low1116.00.5376
5-Band Windward/Leeward Low/Med793.20.7565
5-Band Windward/Leeward Medium651.80.9205
5-Band Windward/Leeward Med/High568.71.0550
5-Band Windward/Leeward High533.21.1254
Windward/Leeward 60-40 Low1096.00.5474
Windward/Leeward 60-40 Low/Med787.30.7621
Windward/Leeward 60-40 Medium655.10.9159
Windward/Leeward 60-40 Med/High580.81.0330
Windward/Leeward 60-40 High550.21.0905
5-Band AP Low814.60.7365
5-Band AP Low/Med620.70.9667
5-Band AP Medium528.21.1360
5-Band AP Med/High475.41.2622
5-Band AP High449.41.3350
5-Band SF Bay Tour - Low947.50.6333
5-Band SF Bay Tour - Low/Med752.90.7969
5-Band SF Bay Tour - Medium626.10.9583
5-Band SF Bay Tour - Med/High554.91.0812
5-Band SF Bay Tour - High523.91.1453
Chicago-Mac Upwind0.9792
Chicago-Mac All Purpose0.9713
Chicago-Mac Downwind0.9514
Bayview-Mac Cove Island0.6875
Bayview-Mac Shore0.6966
Harvest Moon Regatta469.21.2787
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance592.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating592.51.0126
FinRating, kevyt tuuli1099.30.9096
FinRating, kova tuuli452.51.1050
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0126
Triple Number Coastal/Long Distance Low0.8305
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2821
Triple Number Windward/Leeward Low0.6351
Triple Number Windward/Leeward Medium0.9005
Triple Number Windward/Leeward High1.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
For information
General Purpose Handicap (GPH)612.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low722.5
Triple Number Coastal/Long Distance Medium537.3
Triple Number Coastal/Long Distance High468.0
Triple Number Windward/Leeward Low944.7
Triple Number Windward/Leeward Medium666.3
Triple Number Windward/Leeward High558.2
Predominantly Upwind569.2
Predominantly Downwind573.3
Predominantly Reaching536.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8305
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2821
Triple Number Windward/Leeward Low0.6351
Triple Number Windward/Leeward Medium0.9005
Triple Number Windward/Leeward High1.0749
Coastal/Long Distance1.0126
Predominantly Upwind1.0541
Predominantly Downwind1.0466
For information
General Purpose Handicap (GPH)612.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1097
Distanseseilas Trippeltall svak vind0.8305
Distanseseilas Trippeltall mellomvind1.1166
Distanseseilas Trippeltall sterk vind1.2821
Pølsebane Trippeltall svak vind0.6351
Pølsebane Trippeltall mellomvind0.9005
Pølsebane Trippeltall sterk vind1.0749
Motvind Singeltall1.0541
Medvind Singeltall1.0466
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Coastal/Long Distance592.51.0126
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind569.21.0541
Predominantly Downwind573.31.0466
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore518.51.1572
Cape Doctor Coastal436.41.3748
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8305
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2821
Triple Number Windward/Leeward Low0.6351
Triple Number Windward/Leeward Medium0.9005
Triple Number Windward/Leeward High1.0749
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8305
Triple Number Coastal/Long Distance Medium1.1166
Triple Number Coastal/Long Distance High1.2821
Triple Number Windward/Leeward Low0.6351
Triple Number Windward/Leeward Medium0.9005
Triple Number Windward/Leeward High1.0749
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Predominantly Upwind569.21.0541
Predominantly Downwind573.31.0466
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.51.0126
Triple Number Coastal/Long Distance Low722.50.8305
Triple Number Coastal/Long Distance Medium537.31.1166
Triple Number Coastal/Long Distance High468.01.2821
Triple Number Windward/Leeward Low944.70.6351
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1647.81065.6784.1637.8553.9510.2478.2430.4411.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low722.40.8305
Triple Number AP Medium537.41.1164
Triple Number AP High468.01.2821
Triple Number Windward/Leeward Low989.60.6063
Triple Number Windward/Leeward Medium666.30.9005
Triple Number Windward/Leeward High558.21.0749
Single Number Predominant Upwind592.51.0127
Single Number Predominant Reaching541.71.1075
Single Number Predominant Downwind603.30.9946
Predominant Upwind - Low838.40.7156
Predominant Upwind - Low/Med630.10.9522
Predominant Upwind - Medium547.81.0952
Predominant Upwind - Med/High506.11.1856
Predominant Upwind - High488.01.2294
Predominant Downwind Low936.20.6409
Predominant Downwind Low/Med667.60.8988
Predominant Downwind Medium548.81.0934
Predominant Downwind Med/High475.01.2632
Predominant Downwind High437.51.3715
Predominant Reaching Low780.80.7684
Predominant Reaching Low/Med583.31.0286
Predominant Reaching Medium501.51.1965
Predominant Reaching Med/High453.01.3244
Predominant Reaching High427.01.4051
SA/DSPL Upwind24.07SA/DSPL Downwind24.07
Scoring OptionTODTOT
5-Band Windward/Leeward Low1116.00.5376
5-Band Windward/Leeward Low/Med793.20.7565
5-Band Windward/Leeward Medium651.80.9205
5-Band Windward/Leeward Med/High568.71.0550
5-Band Windward/Leeward High533.21.1254
Windward/Leeward 60-40 Low1096.00.5474
Windward/Leeward 60-40 Low/Med787.30.7621
Windward/Leeward 60-40 Medium655.10.9159
Windward/Leeward 60-40 Med/High580.81.0330
Windward/Leeward 60-40 High550.21.0905
5-Band AP Low814.60.7365
5-Band AP Low/Med620.70.9667
5-Band AP Medium528.21.1360
5-Band AP Med/High475.41.2622
5-Band AP High449.41.3350
5-Band SF Bay Tour - Low947.50.6333
5-Band SF Bay Tour - Low/Med752.90.7969
5-Band SF Bay Tour - Medium626.10.9583
5-Band SF Bay Tour - Med/High554.91.0812
5-Band SF Bay Tour - High523.91.1453
Chicago-Mac Upwind0.9792
Chicago-Mac All Purpose0.9713
Chicago-Mac Downwind0.9514
Bayview-Mac Cove Island0.6875
Bayview-Mac Shore0.6966
Harvest Moon Regatta469.21.2787
Non Spin/HSFClub Certificate2025
Blanke Arc ^2NOR 15410
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassArcona 410MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.150Max. Beam3.882Draft2.200Displacement7,945Wetted area33.12IMS L11.429LSM011.236Acc. length12.150Sink (kg/mm) 26.29
VCGD-0.110VCGM-0.036RM Rated (kg·m) 256.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight813Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0040
EDL1.800ST10.065ST20.180
ST30.180ST40.110ST50.300
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P16.200IG16.600ISP17.970MDT10.130MDL10.240MDT20.000MDL20.000TL2.750MW0.000GO0.000
E5.850J4.550BAS1.770FSDFoilSFJ0.000SPL4.896WPLTPS4.700BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.110Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
Blanke Arc ^2NOR 15410
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2015042121240.181.172.103.654.8055.0021/04/2015MSW 23,1
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2015042121280.100.731.432.653.724.8216.30NoNo 41.4921/04/2015306-2015042121260.100.581.112.143.164.1316.07NoNo 34.1021/04/2015
CRUISER/RACER REQUIREMENTS*
Accommodation length12.2 mTable area0.55 m²Headroom1.82 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity155 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity94 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.