Non Spin/HSFClub Certificate2025
SkarvenNOR 15912
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 Angles43.1°43.1°41.5°40.3°39.4°39.3°39.3°40.0°41.8°
Beat VMG2.273.073.654.064.294.404.454.434.31
52°3.514.655.415.876.126.256.316.356.32
60°3.724.895.626.036.276.416.496.556.55
75°3.835.035.766.176.416.586.716.866.92
90°3.734.945.726.166.436.646.817.077.24
110°3.304.505.406.026.386.646.867.287.65
120°3.114.285.195.876.286.556.797.247.69
135°2.693.804.735.486.026.366.617.037.48
150°2.273.244.104.835.455.936.266.757.17
Run VMG1.942.813.624.395.065.646.076.617.04
Gybe Angles144.9°144.9°170.3°172.1°173.2°174.7°176.6°177.7°177.7°
APH ToD:667.2CDL: 6.878APH ToT: 0.8992CertNo:674646
BOAT
ClassHR 31DesignerFrersBuilderHallberg RassyAge date01/1992Series date01/1992Offset fileHR31_CL.offData file674646
HULL
Length Overall9.231 mMaximum Beam3.308 mDraft1.696 mDisplacement4,492 kgDLR12.4583IMS DivisionCruiser/RacerDynamic Allowance0.530%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.350m
CREW
Maximum weight424 kg(default)Minimum weight294 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.1026.45Headsail Luffed26.4826.48Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.95Storm Jib7.15Heavy Weather Jib19.28
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ No 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
SkarvenNOR 15912
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 VMG1588.81174.2985.9887.7838.3818.3809.8812.5834.5
52°1026.0773.4665.1613.4588.5575.8570.2567.0569.9
60°968.6736.5640.3596.6574.2561.6554.6549.7549.8
75°940.2716.4624.6583.8561.5546.7536.4524.5520.1
90°964.5728.6629.1584.2559.5542.3528.7509.2497.2
110°1091.7800.1666.2598.3564.5542.4524.4494.7470.7
120°1157.2841.4693.0613.4573.7549.5530.5497.5468.2
135°1336.6948.3760.7656.7598.3566.3544.9511.9481.6
150°1583.81110.3878.4744.7660.1607.1575.2533.7502.3
Run VMG1857.21282.1994.4819.9711.7638.8593.2544.3511.5
Selected Courses
Windward / Leeward1720.11228.1990.1853.8775.0728.6701.5678.4673.0
All purpose1293.6942.9779.2691.2642.3613.9596.4576.7567.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward813.50.7376
All purpose667.20.8992
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6639
Downwind "popa"0.7521
70% up, 30% down "Ilhabela"0.6881
30% up, 70% down "Ilhabela-inverso"0.7233
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Predominantly Upwind709.10.8462
Predominantly Downwind687.70.8725
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low861.00.6968
Triple Number AP Medium663.00.9050
Triple Number AP High593.41.0111
Triple Number Windward/Leeward Low1156.90.5186
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Single Number Predominant Upwind735.80.8154
Single Number Predominant Reaching664.60.9028
Single Number Predominant Downwind720.50.8328
Predominant Upwind - Low1001.60.5990
Predominant Upwind - Low/Med775.20.7740
Predominant Upwind - Medium685.80.8749
Predominant Upwind - Med/High643.00.9331
Predominant Upwind - High630.90.9510
Predominant Downwind Low1074.70.5583
Predominant Downwind Low/Med787.00.7624
Predominant Downwind Medium660.30.9087
Predominant Downwind Med/High586.61.0229
Predominant Downwind High553.61.0838
Predominant Reaching Low921.90.6508
Predominant Reaching Low/Med707.00.8487
Predominant Reaching Medium619.50.9685
Predominant Reaching Med/High571.11.0505
Predominant Reaching High548.71.0934
SA/DSPL Upwind19.22SA/DSPL Downwind19.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1292.40.4643
5-Band Windward/Leeward Low/Med945.40.6347
5-Band Windward/Leeward Medium792.10.7575
5-Band Windward/Leeward Med/High708.40.8470
5-Band Windward/Leeward High681.50.8805
Windward/Leeward 60-40 Low1280.00.4687
Windward/Leeward 60-40 Low/Med947.80.6331
Windward/Leeward 60-40 Medium804.30.7460
Windward/Leeward 60-40 Med/High729.50.8225
Windward/Leeward 60-40 High708.30.8471
5-Band AP Low957.50.6266
5-Band AP Low/Med752.10.7978
5-Band AP Medium653.20.9185
5-Band AP Med/High599.91.0002
5-Band AP High578.41.0373
5-Band SF Bay Tour - Low1112.10.5395
5-Band SF Bay Tour - Low/Med905.10.6629
5-Band SF Bay Tour - Medium769.10.7802
5-Band SF Bay Tour - Med/High697.50.8602
5-Band SF Bay Tour - High674.50.8895
Chicago-Mac Upwind0.7908
Chicago-Mac All Purpose0.8001
Chicago-Mac Downwind0.8012
Bayview-Mac Cove Island0.5844
Bayview-Mac Shore0.5907
Harvest Moon Regatta585.41.0250
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance727.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating727.20.8251
FinRating, kevyt tuuli1271.00.7868
FinRating, kova tuuli583.90.8564
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8251
Triple Number Coastal/Long Distance Low0.6968
Triple Number Coastal/Long Distance Medium0.9051
Triple Number Coastal/Long Distance High1.0111
Triple Number Windward/Leeward Low0.5410
Triple Number Windward/Leeward Medium0.7429
Triple Number Windward/Leeward High0.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
For information
General Purpose Handicap (GPH)749.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low861.1
Triple Number Coastal/Long Distance Medium662.9
Triple Number Coastal/Long Distance High593.4
Triple Number Windward/Leeward Low1109.1
Triple Number Windward/Leeward Medium807.6
Triple Number Windward/Leeward High699.6
Predominantly Upwind709.1
Predominantly Downwind687.7
Predominantly Reaching654.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6968
Triple Number Coastal/Long Distance Medium0.9051
Triple Number Coastal/Long Distance High1.0111
Triple Number Windward/Leeward Low0.5410
Triple Number Windward/Leeward Medium0.7429
Triple Number Windward/Leeward High0.8576
Coastal/Long Distance0.8251
Predominantly Upwind0.8462
Predominantly Downwind0.8725
For information
General Purpose Handicap (GPH)749.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8992
Distanseseilas Trippeltall svak vind0.6968
Distanseseilas Trippeltall mellomvind0.9051
Distanseseilas Trippeltall sterk vind1.0111
Pølsebane Trippeltall svak vind0.5410
Pølsebane Trippeltall mellomvind0.7429
Pølsebane Trippeltall sterk vind0.8576
Motvind Singeltall0.8462
Medvind Singeltall0.8725
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Coastal/Long Distance727.20.8251
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind709.10.8462
Predominantly Downwind687.70.8725
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore674.60.8894
Cape Doctor Coastal569.91.0528
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6968
Triple Number Coastal/Long Distance Medium0.9051
Triple Number Coastal/Long Distance High1.0111
Triple Number Windward/Leeward Low0.5410
Triple Number Windward/Leeward Medium0.7429
Triple Number Windward/Leeward High0.8576
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6968
Triple Number Coastal/Long Distance Medium0.9051
Triple Number Coastal/Long Distance High1.0111
Triple Number Windward/Leeward Low0.5410
Triple Number Windward/Leeward Medium0.7429
Triple Number Windward/Leeward High0.8576
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Predominantly Upwind709.10.8462
Predominantly Downwind687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance727.20.8251
Triple Number Coastal/Long Distance Low861.10.6968
Triple Number Coastal/Long Distance Medium662.90.9051
Triple Number Coastal/Long Distance High593.41.0111
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1846.51233.5934.2775.5685.4637.7603.9552.7538.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low861.00.6968
Triple Number AP Medium663.00.9050
Triple Number AP High593.41.0111
Triple Number Windward/Leeward Low1156.90.5186
Triple Number Windward/Leeward Medium807.60.7429
Triple Number Windward/Leeward High699.60.8576
Single Number Predominant Upwind735.80.8154
Single Number Predominant Reaching664.60.9028
Single Number Predominant Downwind720.50.8328
Predominant Upwind - Low1001.60.5990
Predominant Upwind - Low/Med775.20.7740
Predominant Upwind - Medium685.80.8749
Predominant Upwind - Med/High643.00.9331
Predominant Upwind - High630.90.9510
Predominant Downwind Low1074.70.5583
Predominant Downwind Low/Med787.00.7624
Predominant Downwind Medium660.30.9087
Predominant Downwind Med/High586.61.0229
Predominant Downwind High553.61.0838
Predominant Reaching Low921.90.6508
Predominant Reaching Low/Med707.00.8487
Predominant Reaching Medium619.50.9685
Predominant Reaching Med/High571.11.0505
Predominant Reaching High548.71.0934
SA/DSPL Upwind19.22SA/DSPL Downwind19.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1292.40.4643
5-Band Windward/Leeward Low/Med945.40.6347
5-Band Windward/Leeward Medium792.10.7575
5-Band Windward/Leeward Med/High708.40.8470
5-Band Windward/Leeward High681.50.8805
Windward/Leeward 60-40 Low1280.00.4687
Windward/Leeward 60-40 Low/Med947.80.6331
Windward/Leeward 60-40 Medium804.30.7460
Windward/Leeward 60-40 Med/High729.50.8225
Windward/Leeward 60-40 High708.30.8471
5-Band AP Low957.50.6266
5-Band AP Low/Med752.10.7978
5-Band AP Medium653.20.9185
5-Band AP Med/High599.91.0002
5-Band AP High578.41.0373
5-Band SF Bay Tour - Low1112.10.5395
5-Band SF Bay Tour - Low/Med905.10.6629
5-Band SF Bay Tour - Medium769.10.7802
5-Band SF Bay Tour - Med/High697.50.8602
5-Band SF Bay Tour - High674.50.8895
Chicago-Mac Upwind0.7908
Chicago-Mac All Purpose0.8001
Chicago-Mac Downwind0.8012
Bayview-Mac Cove Island0.5844
Bayview-Mac Shore0.5907
Harvest Moon Regatta585.41.0250
Non Spin/HSFClub Certificate2025
SkarvenNOR 15912
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHR 31MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.231Max. Beam3.308Draft1.696Displacement4,492Wetted area18.56IMS L7.410LSM07.117Acc. length9.231Sink (kg/mm) 13.46
VCGD-0.062VCGM0.029RM Rated (kg·m) 76.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight424Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.350PBWPIPA0.0012
PSD0.000PHD0.000PHL0.000
PSA0.0°ESL0.000
ST10.000ST20.000ST30.000
ST40.000ST50.000
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P11.950IG11.950ISP12.000MDT10.140MDL10.170MDT20.000MDL20.000TL0.000MW0.000GO0.000
E3.800J3.560BAS1.510FSDFoilSFJ0.000SPL0.000WPLTPS3.600BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
SkarvenNOR 15912
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2019081911550.150.721.322.333.1226.1019/08/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2019081911560.080.581.132.293.534.8511.23NoNo 26.4819/08/2019
CRUISER/RACER REQUIREMENTS*
Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity34 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.