Non Spin/HSFClub Certificate2026
LærkeNOR 8376
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 Angles48.2°45.0°43.3°42.8°42.8°41.8°40.8°40.0°40.2°
Beat VMG1.912.743.303.694.014.284.474.634.67
52°3.074.275.055.625.996.246.416.566.61
60°3.354.535.305.846.196.416.566.736.81
75°3.524.695.476.026.356.576.736.997.14
90°3.434.625.426.016.406.666.867.207.44
110°3.024.285.175.876.336.636.867.307.71
120°2.814.064.975.686.196.536.777.227.67
135°2.413.584.515.255.856.286.587.027.48
150°2.033.073.994.765.395.936.326.817.24
Run VMG1.762.663.484.214.865.435.936.576.98
Gybe Angles145.7°149.6°155.5°166.7°173.6°176.3°178.6°179.5°179.7°
APH ToD:690.3CDL: 6.789APH ToT: 0.8691CertNo:5713
BOAT
ClassONE OFF/SPISSGATTEDesignerBuilderKais BåtbyggeriAge date01/1991Series date01/1991Offset filecl_laerke.OFFData file5713
HULL
Length Overall8.980 mMaximum Beam2.770 mDraft1.259 mDisplacement5,497 kgDLR10.5983IMS DivisionCruiser/RacerDynamic Allowance0.710%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft non exposedTypeSolid 2 bladesDiameter0.340m
CREW
Maximum weight504 kg(default)Minimum weight374 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.5226.73Headsail Luffed25.1825.18Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.62Storm Jib6.02Heavy Weather Jib16.25
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 128.0 kg·m Stability Index 142.1
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.
ORC Ref  03440004NF9 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
LærkeNOR 8376
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 VMG1883.11315.81091.4974.7897.2841.8805.3777.1771.7
52°1171.6843.2712.2640.8600.7576.8562.1549.2544.2
60°1075.1794.2679.5616.2581.8561.6548.9534.7528.6
75°1021.9768.2658.3597.8566.5547.9534.6515.2504.1
90°1049.3779.6664.5599.5562.7540.6524.7499.9484.1
110°1190.2841.3696.1613.7568.9543.3525.0493.2466.9
120°1280.5887.4725.0633.9581.2551.3531.6498.5469.5
135°1496.91005.9797.6686.2615.1572.9547.3512.7481.6
150°1776.51171.8901.7757.1667.4606.9569.7528.6497.4
Run VMG2051.31353.11035.3854.3740.5662.4607.3548.4515.5
Selected Courses
Windward / Leeward1967.21334.41063.4914.5818.8752.1706.3662.7643.6
All purpose1464.41017.7829.1726.3663.5622.3595.2565.1547.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward855.80.7011
All purpose690.30.8691
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6266
Downwind "popa"0.7240
70% up, 30% down "Ilhabela"0.6529
30% up, 70% down "Ilhabela-inverso"0.6917
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Predominantly Upwind740.70.8100
Predominantly Downwind713.20.8413
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP715.40.8387 Predom. Rc High540.11.1109 5B SF Bay L/M967.40.6202 TriNum AP Low923.40.6498 Predom. Dn Low1162.50.5161 5B SF Bay Med807.50.7430 TriNum AP Med688.00.8721 Predom. Dn L/M827.80.7248 5B SF Bay M/H702.00.8547 TriNum AP High590.71.0158 Predom. Dn Med682.50.8791 5B SF Bay High658.30.9114 TriNum W/L Low1260.80.4759 Predom. Dn M/H591.61.0142 5B AP Low1037.00.5786 TriNum W/L Med854.50.7022 Predom. Dn High549.71.0915 5B AP L/M796.20.7536 TriNum W/L Hig701.40.8554 ChiMac Up Low964.40.6221 5B AP Med675.10.8887 Predom. Upwind771.50.7777 ChiMac Up Med857.60.6997 5B AP M/H600.40.9993 Predom. Reaching689.10.8707 ChiMac Up High731.90.8198 5B AP High567.21.0578 Predom. Downwind751.00.7990 ChiMac Off Low980.60.6119 5B W/L Low1424.90.4211 Predom. Up Low1109.00.5410 ChiMac Off Med849.90.7060 5B W/L L/M1014.70.5913 Predom. Up L/M830.40.7226 ChiMac Off High696.70.8612 5B W/L Med834.50.7190 Predom. Up Med713.80.8406 ChiMac AP Low965.70.6213 5B W/L M/H716.20.8377 Predom. Up M/H642.00.9346 ChiMac AP Med848.80.7069 5B W/L High666.90.8996 Predom. Up High613.00.9787 ChiMac AP High711.20.8437 W/L 60-40 Low1420.20.4225 Predom. Rc Low1001.00.5994 BayMac Cove Island1121.80.5349 W/L 60-40 L/M1022.70.5867 Predom. Rc L/M744.40.8060 BayMac Shore1109.80.5406 W/L 60-40 Med849.50.7063 Predom. Rc Med636.20.9431 Harvest Moon601.80.9970 W/L 60-40 M/H735.90.8153 Predom. Rc M/H570.81.0511 5B SF Bay Low1187.50.5052 W/L 60-40 High689.80.8699      SA/DSPL Up16.50SA/DSPL Dn16.50
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance755.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating755.80.7938
FinRating, kevyt tuuli1405.60.7115
FinRating, kova tuuli572.00.8742
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7938
Triple Number Coastal/Long Distance Low0.6498
Triple Number Coastal/Long Distance Medium0.8722
Triple Number Coastal/Long Distance High1.0158
Triple Number Windward/Leeward Low0.5005
Triple Number Windward/Leeward Medium0.7022
Triple Number Windward/Leeward High0.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
For information
General Purpose Handicap (GPH)782.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Saronikos S All Purpose793.70.7559
Saronikos S Upwind884.40.6784
Saronikos S Downwind695.20.8630
Saronikos N All Purpose831.60.7215
Saronikos N Upwind914.40.6562
Saronikos N Downwind773.50.7757
Saronikos SW All Purpose809.20.7415
Saronikos SW Upwind912.70.6574
Saronikos SW Downwind715.50.8386
Saronikos NE All Purpose873.50.6869
Saronikos NE Upwind853.70.7028
Saronikos NE Downwind885.70.6775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose715.40.8387
5-Band All Purpose Low1127.40.5322
5-Band All Purpose L/M825.00.7273
5-Band All Purpose Med695.70.8625
5-Band All Purpose M/H615.20.9753
5-Band All Purpose High579.81.0348
Single Number Predominant Upwind738.90.8120
Single Number Predominant Reaching660.00.9091
Single Number Predominant Downwind713.90.8404
5-Band 50-50 Windward/Leeward Low1424.90.4211
5-Band 50-50 Windward/Leeward L/M1014.70.5913
5-Band 50-50 Windward/Leeward Med834.50.7190
5-Band 50-50 Windward/Leeward M/H716.20.8377
5-Band 50-50 Windward/Leeward High666.90.8996
5-Band 60-40 Windward/Leeward Low1420.20.4225
5-Band 60-40 Windward/Leeward L/M1022.70.5867
5-Band 60-40 Windward/Leeward Med849.50.7063
5-Band 60-40 Windward/Leeward M/H735.90.8153
5-Band 60-40 Windward/Leeward High689.80.8699
Triple Number 50-50 Windward/Leeward Low1260.80.4759
Triple Number 50-50 Windward/Leeward Med854.50.7021
Triple Number 50-50 Windward/Leeward High701.40.8554
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward870.00.6897
Triple Number 60-40 Windward/Leeward Low1260.60.4759
Triple Number 60-40 Windward/Leeward Med868.70.6907
Triple Number 60-40 Windward/Leeward High721.90.8311
Triple Number All-Purpose Low1006.00.5964
Triple Number All-Purpose Med709.60.8455
Triple Number All-Purpose High604.80.9921
Triple Number Predominant Upwind Low1007.70.5954
Triple Number Predominant Upwind Med731.00.8208
Triple Number Predominant Upwind High636.60.9425
Triple Number Predominant Reaching Low903.10.6643
Triple Number Predominant Reaching Med658.40.9113
Triple Number Predominant Reaching High552.01.0870
Triple Number Predominant Downwind Low1026.60.5845
Triple Number Predominant Downwind Med699.60.8576
Triple Number Predominant Downwind High571.01.0507
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low923.4
Triple Number Coastal/Long Distance Medium687.9
Triple Number Coastal/Long Distance High590.7
Triple Number Windward/Leeward Low1198.8
Triple Number Windward/Leeward Medium854.5
Triple Number Windward/Leeward High701.4
Predominantly Upwind740.7
Predominantly Downwind713.2
Predominantly Reaching676.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6498
Triple Number Coastal/Long Distance Medium0.8722
Triple Number Coastal/Long Distance High1.0158
Triple Number Windward/Leeward Low0.5005
Triple Number Windward/Leeward Medium0.7022
Triple Number Windward/Leeward High0.8554
Coastal/Long Distance0.7938
Predominantly Upwind0.8100
Predominantly Downwind0.8413
For information
General Purpose Handicap (GPH)782.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8691
Distanseseilas Trippeltall svak vind0.6498
Distanseseilas Trippeltall mellomvind0.8722
Distanseseilas Trippeltall sterk vind1.0158
Pølsebane Trippeltall svak vind0.5005
Pølsebane Trippeltall mellomvind0.7022
Pølsebane Trippeltall sterk vind0.8554
Motvind Singeltall0.8100
Medvind Singeltall0.8413
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Coastal/Long Distance755.80.7938
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind740.70.8100
Predominantly Downwind713.20.8413
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore649.30.9241
Cape Doctor Coastal552.61.0858
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6498
Triple Number Coastal/Long Distance Medium0.8722
Triple Number Coastal/Long Distance High1.0158
Triple Number Windward/Leeward Low0.5005
Triple Number Windward/Leeward Medium0.7022
Triple Number Windward/Leeward High0.8554
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6498
Triple Number Coastal/Long Distance Medium0.8722
Triple Number Coastal/Long Distance High1.0158
Triple Number Windward/Leeward Low0.5005
Triple Number Windward/Leeward Medium0.7022
Triple Number Windward/Leeward High0.8554
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Predominantly Upwind740.70.8100
Predominantly Downwind713.20.8413
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance755.80.7938
Triple Number Coastal/Long Distance Low923.40.6498
Triple Number Coastal/Long Distance Medium687.90.8722
Triple Number Coastal/Long Distance High590.71.0158
Triple Number Windward/Leeward Low1198.80.5005
Triple Number Windward/Leeward Medium854.50.7022
Triple Number Windward/Leeward High701.40.8554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1975.61336.3999.2821.7711.1646.6602.0543.7524.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP715.40.8387 Predom. Dn High549.71.0915 5B AP M/H600.40.9993 TriNum AP Low923.40.6498 Predom. Rc Low1001.00.5994 5B AP High567.21.0578 TriNum AP Med688.00.8721 Predom. Rc L/M744.40.8060 5B SF Bay Low1187.50.5052 TriNum AP High590.71.0158 Predom. Rc Med636.20.9431 5B SF Bay L/M967.40.6202 TriNum W/L Low1260.80.4759 Predom. Rc M/H570.81.0511 5B SF Bay Med807.50.7430 TriNum W/L Med854.50.7022 Predom. Rc High540.11.1109 5B SF Bay M/H702.00.8547 TriNum W/L Hig701.40.8554 5B W/L Low1424.90.4211 5B SF Bay High658.30.9114 Predom. Upwind771.50.7777 5B W/L L/M1014.70.5913 ChiMac Up Low964.40.6221 Predom. Reaching689.10.8707 5B W/L Med834.50.7190 ChiMac Up Med857.60.6997 Predom. Downwind751.00.7990 5B W/L M/H716.20.8377 ChiMac Up High731.90.8198 Predom. Up Low1109.00.5410 5B W/L High666.90.8996 ChiMac Off Low980.60.6119 Predom. Up L/M830.40.7226 W/L 60-40 Low1420.20.4225 ChiMac Off Med849.90.7060 Predom. Up Med713.80.8406 W/L 60-40 L/M1022.70.5867 ChiMac Off High696.70.8612 Predom. Up M/H642.00.9346 W/L 60-40 Med849.50.7063 ChiMac AP Low965.70.6213 Predom. Up High613.00.9787 W/L 60-40 M/H735.90.8153 ChiMac AP Med848.80.7069 Predom. Dn Low1162.50.5161 W/L 60-40 High689.80.8699 ChiMac AP High711.20.8437 Predom. Dn L/M827.80.7248 5B AP Low1037.00.5786 BayMac Cove Island1121.80.5349 Predom. Dn Med682.50.8791 5B AP L/M796.20.7536 BayMac Shore1109.80.5406 Predom. Dn M/H591.61.0142 5B AP Med675.10.8887 Harvest Moon601.80.9970      SA/DSPL Up16.50SA/DSPL Dn16.50
ORC Ref  03440004NF9 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
LærkeNOR 8376
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassONE OFF/SPISSGATTEMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.980Maximum beam2.770Draft1.259Displacement5,497Wetted area22.34IMS L8.038LSM08.034Accomod. length9.002Sink (kg/mm) 15.27
VCGD-0.300VCGM-0.469 RM Rated (kg·m) 128.0Limit of positive stability(°) 136.5 Stability Index 142.1 BLR index 0.0000Default crew weight504 Declared crew weight 0
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0058
PSDPHDPHL
PSAESL
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders0Rotating mastNo
P12.100IG10.970ISP10.970MDT10.120MDL10.200MDT20.000MDL20.000TL0.000MW0.000GO0.000
E4.070J3.410BAS1.000FSD0.000SFJ0.000SPL3.710WPLTPS0.000BD0.000MWT0.00MCG0.000
PY0.000MDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.300Flotation Date01/01/2015
SFFP0.875FFM0.687FF0.687LCFcl5.043SG
SAFP8.191FAM0.356FA0.356LCFsh5.236HBI0.479
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440004NF9 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
LærkeNOR 8376
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment403-2011052115000.130.681.242.253.1826.5221/05/2011
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment403-2011052114450.000.000.000.000.004.8410.22NoNo 25.1821/05/2011189-2006061409420.000.000.000.000.003.059.95NoNo 15.4514/06/2006189-2006061316440.000.000.000.000.002.658.27NoNo 11.1513/06/2006
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.0 mTable area0.44 m²Headroom1.62 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity60 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity30 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03440004NF9 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org