Double HandedClub Certificate2025
SpiralisNOR 11643
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 Angles44.2°44.2°42.3°41.1°40.5°40.4°40.4°41.1°43.0°
Beat VMG2.273.183.924.464.784.904.964.954.76
52°3.584.885.886.607.017.187.267.317.21
60°3.825.176.176.867.277.467.547.617.55
75°4.005.386.387.067.487.747.898.058.09
90°3.965.446.567.267.557.818.078.458.63
110°4.005.536.707.437.878.208.428.758.93
120°3.865.346.527.317.818.228.609.149.53
135°3.374.775.956.887.517.968.389.2610.37
150°2.774.035.196.186.987.547.978.809.75
Run VMG2.403.494.505.376.136.777.298.098.86
Gybe Angles145.3°145.3°149.6°152.8°157.4°163.7°169.3°176.3°175.0°
APH ToD:568.4CDL: 9.191APH ToT: 1.0556CertNo:9269
BOAT
ClassHanse 370DesignerJudel/VrolijkBuilderHanse YachtsAge date01/2006Series date01/2005Offset fileHANSe370.OFFData file9269
HULL
Length Overall11.298 mMaximum Beam3.742 mDraft1.998 mDisplacement7,256 kgDLR6.2496IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail41.9442.58Headsail Luffed26.9026.90Headsail FlyingSymmetric92.1192.11Asymmetric
STORM SAIL AREAS (m²)
Trysail12.98Storm Jib11.33Heavy Weather Jib30.58
SAIL LIMITS
Headsails5Spinnakers4
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.
Double HandedClub Certificate2025
SpiralisNOR 11643
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 VMG1584.31133.7919.2806.7752.8734.8726.1727.5755.7
52°1007.0737.1611.8545.2513.5501.4495.6492.3499.0
60°941.5695.8583.9524.8495.2482.8477.5473.0476.6
75°900.6668.6564.2509.9481.4465.4456.1447.4445.2
90°908.4661.8548.4495.9476.8461.2446.3426.2417.3
110°899.0651.4537.5484.6457.6438.9427.8411.3403.0
120°933.5673.9552.6492.3460.9438.1418.6393.7377.9
135°1067.7755.4604.7523.3479.5452.4429.4388.7347.0
150°1298.6892.5693.2582.2515.6477.3451.9409.3369.3
Run VMG1498.71030.6800.5670.4587.5531.5493.6444.9406.2
Selected Courses
Windward / Leeward1540.51082.2859.8738.6670.2633.1609.9586.2581.0
All purpose1161.6829.7671.6588.3544.2520.3504.7485.9478.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward705.80.8501
All purpose568.41.0556
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7240
Downwind "popa"0.9213
70% up, 30% down "Ilhabela"0.7737
30% up, 70% down "Ilhabela-inverso"0.8517
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Predominantly Upwind621.90.9649
Predominantly Downwind573.01.0472
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low750.60.7993
Triple Number AP Medium563.61.0646
Triple Number AP High501.51.1963
Triple Number Windward/Leeward Low1015.90.5906
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Single Number Predominant Upwind650.50.9223
Single Number Predominant Reaching565.61.0607
Single Number Predominant Downwind600.50.9992
Predominant Upwind - Low923.60.6496
Predominant Upwind - Low/Med689.80.8698
Predominant Upwind - Medium598.51.0025
Predominant Upwind - Med/High557.31.0766
Predominant Upwind - High544.91.1011
Predominant Downwind Low904.20.6636
Predominant Downwind Low/Med655.80.9148
Predominant Downwind Medium550.01.0909
Predominant Downwind Med/High486.61.2329
Predominant Downwind High452.11.3270
Predominant Reaching Low808.80.7419
Predominant Reaching Low/Med604.10.9932
Predominant Reaching Medium523.41.1463
Predominant Reaching Med/High478.81.2533
Predominant Reaching High454.71.3196
SA/DSPL Upwind18.25SA/DSPL Downwind35.53
Scoring OptionTODTOT
5-Band Windward/Leeward Low1141.40.5257
5-Band Windward/Leeward Low/Med821.80.7301
5-Band Windward/Leeward Medium686.20.8744
5-Band Windward/Leeward Med/High614.90.9758
5-Band Windward/Leeward High589.41.0181
Windward/Leeward 60-40 Low1151.70.5210
Windward/Leeward 60-40 Low/Med834.80.7188
Windward/Leeward 60-40 Medium703.00.8535
Windward/Leeward 60-40 Med/High637.90.9406
Windward/Leeward 60-40 High617.90.9710
5-Band AP Low831.40.7217
5-Band AP Low/Med646.70.9278
5-Band AP Medium554.91.0814
5-Band AP Med/High507.51.1823
5-Band AP High487.81.2300
5-Band SF Bay Tour - Low981.70.6112
5-Band SF Bay Tour - Low/Med786.80.7626
5-Band SF Bay Tour - Medium663.20.9046
5-Band SF Bay Tour - Med/High601.00.9983
5-Band SF Bay Tour - High578.71.0368
Chicago-Mac Upwind0.8920
Chicago-Mac All Purpose0.9290
Chicago-Mac Downwind0.9605
Bayview-Mac Cove Island0.6648
Bayview-Mac Shore0.6695
Harvest Moon Regatta485.21.2365
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance620.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating620.00.9677
FinRating, kevyt tuuli1120.10.8927
FinRating, kova tuuli490.61.0191
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9677
Triple Number Coastal/Long Distance Low0.7993
Triple Number Coastal/Long Distance Medium1.0647
Triple Number Coastal/Long Distance High1.1963
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8577
Triple Number Windward/Leeward High0.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
For information
General Purpose Handicap (GPH)642.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low750.7
Triple Number Coastal/Long Distance Medium563.5
Triple Number Coastal/Long Distance High501.5
Triple Number Windward/Leeward Low971.0
Triple Number Windward/Leeward Medium699.5
Triple Number Windward/Leeward High606.8
Predominantly Upwind621.9
Predominantly Downwind573.0
Predominantly Reaching549.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7993
Triple Number Coastal/Long Distance Medium1.0647
Triple Number Coastal/Long Distance High1.1963
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8577
Triple Number Windward/Leeward High0.9888
Coastal/Long Distance0.9677
Predominantly Upwind0.9649
Predominantly Downwind1.0472
For information
General Purpose Handicap (GPH)642.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0556
Distanseseilas Trippeltall svak vind0.7993
Distanseseilas Trippeltall mellomvind1.0647
Distanseseilas Trippeltall sterk vind1.1963
Pølsebane Trippeltall svak vind0.6179
Pølsebane Trippeltall mellomvind0.8577
Pølsebane Trippeltall sterk vind0.9888
Motvind Singeltall0.9649
Medvind Singeltall1.0472
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Coastal/Long Distance620.00.9677
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind621.90.9649
Predominantly Downwind573.01.0472
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore582.51.0300
Cape Doctor Coastal480.61.2484
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7993
Triple Number Coastal/Long Distance Medium1.0647
Triple Number Coastal/Long Distance High1.1963
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8577
Triple Number Windward/Leeward High0.9888
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7993
Triple Number Coastal/Long Distance Medium1.0647
Triple Number Coastal/Long Distance High1.1963
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8577
Triple Number Windward/Leeward High0.9888
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Predominantly Upwind621.90.9649
Predominantly Downwind573.01.0472
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.00.9677
Triple Number Coastal/Long Distance Low750.70.7993
Triple Number Coastal/Long Distance Medium563.51.0647
Triple Number Coastal/Long Distance High501.51.1963
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.21077.0806.8663.8582.4540.5508.5460.1450.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low750.60.7993
Triple Number AP Medium563.61.0646
Triple Number AP High501.51.1963
Triple Number Windward/Leeward Low1015.90.5906
Triple Number Windward/Leeward Medium699.50.8577
Triple Number Windward/Leeward High606.80.9888
Single Number Predominant Upwind650.50.9223
Single Number Predominant Reaching565.61.0607
Single Number Predominant Downwind600.50.9992
Predominant Upwind - Low923.60.6496
Predominant Upwind - Low/Med689.80.8698
Predominant Upwind - Medium598.51.0025
Predominant Upwind - Med/High557.31.0766
Predominant Upwind - High544.91.1011
Predominant Downwind Low904.20.6636
Predominant Downwind Low/Med655.80.9148
Predominant Downwind Medium550.01.0909
Predominant Downwind Med/High486.61.2329
Predominant Downwind High452.11.3270
Predominant Reaching Low808.80.7419
Predominant Reaching Low/Med604.10.9932
Predominant Reaching Medium523.41.1463
Predominant Reaching Med/High478.81.2533
Predominant Reaching High454.71.3196
SA/DSPL Upwind18.25SA/DSPL Downwind35.53
Scoring OptionTODTOT
5-Band Windward/Leeward Low1141.40.5257
5-Band Windward/Leeward Low/Med821.80.7301
5-Band Windward/Leeward Medium686.20.8744
5-Band Windward/Leeward Med/High614.90.9758
5-Band Windward/Leeward High589.41.0181
Windward/Leeward 60-40 Low1151.70.5210
Windward/Leeward 60-40 Low/Med834.80.7188
Windward/Leeward 60-40 Medium703.00.8535
Windward/Leeward 60-40 Med/High637.90.9406
Windward/Leeward 60-40 High617.90.9710
5-Band AP Low831.40.7217
5-Band AP Low/Med646.70.9278
5-Band AP Medium554.91.0814
5-Band AP Med/High507.51.1823
5-Band AP High487.81.2300
5-Band SF Bay Tour - Low981.70.6112
5-Band SF Bay Tour - Low/Med786.80.7626
5-Band SF Bay Tour - Medium663.20.9046
5-Band SF Bay Tour - Med/High601.00.9983
5-Band SF Bay Tour - High578.71.0368
Chicago-Mac Upwind0.8920
Chicago-Mac All Purpose0.9290
Chicago-Mac Downwind0.9605
Bayview-Mac Cove Island0.6648
Bayview-Mac Shore0.6695
Harvest Moon Regatta485.21.2365
Double HandedClub Certificate2025
SpiralisNOR 11643
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHanse 370MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.298Max. Beam3.742Draft1.998Displacement7,256Wetted area30.68IMS L10.514LSM010.509Acc. length11.298Sink (kg/mm) 23.96
VCGD0.180VCGM0.219RM Rated (kg·m) 186.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0038
EDL2.000ST10.050ST20.170
ST30.170ST40.170ST50.300
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.400IG15.050ISP15.160MDT10.140MDL10.220MDT20.120MDL20.180TL1.000MW0.220GO0.220
E5.150J4.080BAS1.700FSDFoilSFJ0.000SPL4.233WPLTPS0.000BD0.000MWT180.00MCG5.960
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.180Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
SpiralisNOR 11643
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment332-2006081509570.140.001.663.024.1341.9415/08/2006
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment332-2006081509590.000.000.000.000.003.6614.44NoNo 26.9015/08/2006366-2007050616100.000.000.000.000.002.924.64NoNo 6.9006/05/2007Stormfokk
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment332-20060815101214.7714.7714.777.450.0092.1115/08/2006
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.