Club 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°3.074.275.055.625.996.246.416.566.62
60°3.354.535.305.846.196.416.566.736.81
75°3.524.695.476.026.366.576.736.997.14
90°3.434.705.636.256.596.806.957.137.40
110°3.454.765.686.296.656.927.167.607.91
120°3.304.595.526.196.586.867.137.658.07
135°2.874.125.065.856.366.686.957.518.03
150°2.383.544.515.315.976.416.707.227.76
Run VMG2.063.063.924.645.305.846.266.827.31
Gybe Angles143.5°148.0°152.8°156.5°161.7°167.3°175.9°178.8°178.6°
APH ToD:664.3CDL: 6.791APH ToT: 0.9032CertNo: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 Allowance0.720%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 FlyingSymmetric58.0458.04Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.62Storm Jib6.02Heavy Weather Jib16.25
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 128.0 kg·m Stability Index 142.2
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  03440004NA3 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 VMG1883.41315.91091.5974.7897.2841.8805.3777.0771.6
52°1171.8843.3712.2640.9600.7576.7562.0549.2544.2
60°1075.3794.3679.6616.2581.8561.6548.8534.7528.6
75°1022.1768.2658.3597.8566.5547.9534.6515.2504.1
90°1049.4765.3639.6576.2546.4529.5518.3504.8486.3
110°1043.3756.6633.5571.9541.3520.5502.5473.6455.3
120°1090.7783.8651.9581.8547.0524.8505.1470.7446.2
135°1254.6873.5710.8615.9566.4538.7517.7479.3448.4
150°1513.11017.4798.4678.0603.1561.8537.0498.4464.0
Run VMG1747.11174.8919.4776.5679.5616.3574.7527.6492.6
Selected Courses
Windward / Leeward1815.31245.31005.4875.6788.4729.1690.0652.3632.1
All purpose1360.3956.4786.6695.0640.0605.0581.4553.8536.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward821.90.7300
All purpose664.30.9032
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6266
Downwind "popa"0.7971
70% up, 30% down "Ilhabela"0.6695
30% up, 70% down "Ilhabela-inverso"0.7369
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Predominantly Upwind725.40.8271
Predominantly Downwind669.00.8969
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP688.10.8719 Predom. Rc High530.01.1321 5B SF Bay L/M921.40.6512 TriNum AP Low871.50.6885 Predom. Dn Low1047.90.5726 5B SF Bay Med778.40.7708 TriNum AP Med661.90.9065 Predom. Dn L/M763.60.7858 5B SF Bay M/H685.10.8758 TriNum AP High576.91.0400 Predom. Dn Med642.20.9343 5B SF Bay High645.40.9297 TriNum W/L Low1181.40.5079 Predom. Dn M/H568.31.0559 5B AP Low963.30.6229 TriNum W/L Med820.70.7311 Predom. Dn High531.51.1288 5B AP L/M757.70.7919 TriNum W/L Hig685.60.8751 ChiMac Up Low938.20.6395 5B AP Med650.60.9222 Predom. Upwind755.70.7940 ChiMac Up Med837.20.7167 5B AP M/H585.71.0245 Predom. Reaching659.00.9105 ChiMac Up High718.50.8351 5B AP High555.51.0801 Predom. Downwind700.40.8566 ChiMac Off Low894.30.6709 5B W/L Low1327.80.4519 Predom. Up Low1075.20.5580 ChiMac Off Med784.10.7652 5B W/L L/M963.00.6231 Predom. Up L/M809.90.7409 ChiMac Off High654.90.9162 5B W/L Med802.90.7473 Predom. Up Med700.50.8565 ChiMac AP Low911.30.6584 5B W/L M/H698.60.8589 Predom. Up M/H634.70.9454 ChiMac AP Med807.00.7435 5B W/L High655.30.9156 Predom. Up High607.90.9870 ChiMac AP High684.30.8768 W/L 60-40 Low1342.60.4469 Predom. Rc Low938.90.6391 BayMac Cove Island1052.40.5701 W/L 60-40 L/M981.30.6114 Predom. Rc L/M705.00.8510 BayMac Shore1044.10.5747 W/L 60-40 Med824.20.7280 Predom. Rc Med610.50.9829 Harvest Moon577.61.0389 W/L 60-40 M/H721.70.8313 Predom. Rc M/H556.51.0781 5B SF Bay Low1119.40.5360 W/L 60-40 High680.50.8818      SA/DSPL Up16.50SA/DSPL Dn26.99
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance725.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating725.40.8272
FinRating, kevyt tuuli1305.60.7660
FinRating, kova tuuli559.70.8933
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8272
Triple Number Coastal/Long Distance Low0.6885
Triple Number Coastal/Long Distance Medium0.9066
Triple Number Coastal/Long Distance High1.0400
Triple Number Windward/Leeward Low0.5332
Triple Number Windward/Leeward Medium0.7311
Triple Number Windward/Leeward High0.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
For information
General Purpose Handicap (GPH)749.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Saronikos S All Purpose773.70.7755
Saronikos S Upwind882.60.6798
Saronikos S Downwind637.50.9412
Saronikos N All Purpose800.90.7491
Saronikos N Upwind911.10.6586
Saronikos N Downwind697.40.8603
Saronikos SW All Purpose783.80.7655
Saronikos SW Upwind909.20.6599
Saronikos SW Downwind651.20.9214
Saronikos NE All Purpose830.10.7228
Saronikos NE Upwind850.20.7057
Saronikos NE Downwind787.30.7621
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose688.10.8719
5-Band All Purpose Low1056.30.5680
5-Band All Purpose L/M783.60.7657
5-Band All Purpose Med669.40.8963
5-Band All Purpose M/H600.40.9994
5-Band All Purpose High569.11.0542
Single Number Predominant Upwind724.40.8283
Single Number Predominant Reaching632.00.9494
Single Number Predominant Downwind669.00.8969
5-Band 50-50 Windward/Leeward Low1327.80.4519
5-Band 50-50 Windward/Leeward L/M963.00.6231
5-Band 50-50 Windward/Leeward Med802.90.7473
5-Band 50-50 Windward/Leeward M/H698.60.8589
5-Band 50-50 Windward/Leeward High655.30.9156
5-Band 60-40 Windward/Leeward Low1342.60.4469
5-Band 60-40 Windward/Leeward L/M981.30.6114
5-Band 60-40 Windward/Leeward Med824.20.7280
5-Band 60-40 Windward/Leeward M/H721.70.8313
5-Band 60-40 Windward/Leeward High680.50.8818
Triple Number 50-50 Windward/Leeward Low1181.40.5079
Triple Number 50-50 Windward/Leeward Med820.80.7310
Triple Number 50-50 Windward/Leeward High685.60.8751
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward842.90.7119
Triple Number 60-40 Windward/Leeward Low1197.10.5012
Triple Number 60-40 Windward/Leeward Med841.80.7128
Triple Number 60-40 Windward/Leeward High709.30.8459
Triple Number All-Purpose Low946.50.6339
Triple Number All-Purpose Med681.40.8805
Triple Number All-Purpose High591.31.0146
Triple Number Predominant Upwind Low975.30.6152
Triple Number Predominant Upwind Med716.20.8377
Triple Number Predominant Upwind High632.00.9494
Triple Number Predominant Reaching Low850.70.7053
Triple Number Predominant Reaching Med631.40.9502
Triple Number Predominant Reaching High539.41.1123
Triple Number Predominant Downwind Low933.90.6425
Triple Number Predominant Downwind Med654.00.9175
Triple Number Predominant Downwind High547.51.0958
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low871.5
Triple Number Coastal/Long Distance Medium661.8
Triple Number Coastal/Long Distance High576.9
Triple Number Windward/Leeward Low1125.3
Triple Number Windward/Leeward Medium820.7
Triple Number Windward/Leeward High685.6
Predominantly Upwind725.4
Predominantly Downwind669.0
Predominantly Reaching642.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6885
Triple Number Coastal/Long Distance Medium0.9066
Triple Number Coastal/Long Distance High1.0400
Triple Number Windward/Leeward Low0.5332
Triple Number Windward/Leeward Medium0.7311
Triple Number Windward/Leeward High0.8751
Coastal/Long Distance0.8272
Predominantly Upwind0.8271
Predominantly Downwind0.8969
For information
General Purpose Handicap (GPH)749.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9032
Distanseseilas Trippeltall svak vind0.6885
Distanseseilas Trippeltall mellomvind0.9066
Distanseseilas Trippeltall sterk vind1.0400
Pølsebane Trippeltall svak vind0.5332
Pølsebane Trippeltall mellomvind0.7311
Pølsebane Trippeltall sterk vind0.8751
Motvind Singeltall0.8271
Medvind Singeltall0.8969
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Coastal/Long Distance725.40.8272
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind725.40.8271
Predominantly Downwind669.00.8969
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore638.20.9402
Cape Doctor Coastal541.41.1082
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6885
Triple Number Coastal/Long Distance Medium0.9066
Triple Number Coastal/Long Distance High1.0400
Triple Number Windward/Leeward Low0.5332
Triple Number Windward/Leeward Medium0.7311
Triple Number Windward/Leeward High0.8751
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6885
Triple Number Coastal/Long Distance Medium0.9066
Triple Number Coastal/Long Distance High1.0400
Triple Number Windward/Leeward Low0.5332
Triple Number Windward/Leeward Medium0.7311
Triple Number Windward/Leeward High0.8751
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Predominantly Upwind725.40.8271
Predominantly Downwind669.00.8969
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance725.40.8272
Triple Number Coastal/Long Distance Low871.50.6885
Triple Number Coastal/Long Distance Medium661.80.9066
Triple Number Coastal/Long Distance High576.91.0400
Triple Number Windward/Leeward Low1125.30.5332
Triple Number Windward/Leeward Medium820.70.7311
Triple Number Windward/Leeward High685.60.8751
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1808.51238.3942.8785.5685.5628.1587.6532.6513.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP688.10.8719 Predom. Dn High531.51.1288 5B AP M/H585.71.0245 TriNum AP Low871.50.6885 Predom. Rc Low938.90.6391 5B AP High555.51.0801 TriNum AP Med661.90.9065 Predom. Rc L/M705.00.8510 5B SF Bay Low1119.40.5360 TriNum AP High576.91.0400 Predom. Rc Med610.50.9829 5B SF Bay L/M921.40.6512 TriNum W/L Low1181.40.5079 Predom. Rc M/H556.51.0781 5B SF Bay Med778.40.7708 TriNum W/L Med820.70.7311 Predom. Rc High530.01.1321 5B SF Bay M/H685.10.8758 TriNum W/L Hig685.60.8751 5B W/L Low1327.80.4519 5B SF Bay High645.40.9297 Predom. Upwind755.70.7940 5B W/L L/M963.00.6231 ChiMac Up Low938.20.6395 Predom. Reaching659.00.9105 5B W/L Med802.90.7473 ChiMac Up Med837.20.7167 Predom. Downwind700.40.8566 5B W/L M/H698.60.8589 ChiMac Up High718.50.8351 Predom. Up Low1075.20.5580 5B W/L High655.30.9156 ChiMac Off Low894.30.6709 Predom. Up L/M809.90.7409 W/L 60-40 Low1342.60.4469 ChiMac Off Med784.10.7652 Predom. Up Med700.50.8565 W/L 60-40 L/M981.30.6114 ChiMac Off High654.90.9162 Predom. Up M/H634.70.9454 W/L 60-40 Med824.20.7280 ChiMac AP Low911.30.6584 Predom. Up High607.90.9870 W/L 60-40 M/H721.70.8313 ChiMac AP Med807.00.7435 Predom. Dn Low1047.90.5726 W/L 60-40 High680.50.8818 ChiMac AP High684.30.8768 Predom. Dn L/M763.60.7858 5B AP Low963.30.6229 BayMac Cove Island1052.40.5701 Predom. Dn Med642.20.9343 5B AP L/M757.70.7919 BayMac Shore1044.10.5747 Predom. Dn M/H568.31.0559 5B AP Med650.60.9222 Harvest Moon577.61.0389      SA/DSPL Up16.50SA/DSPL Dn26.99
ORC Ref  03440004NA3 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 L8.041LSM08.034Accomod. length9.002Sink (kg/mm) 15.27
VCGD-0.300VCGM-0.469 RM Rated (kg·m) 128.0Limit of positive stability(°) 136.6 Stability Index 142.2 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  03440004NA3 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment189-20140519203010.9010.9010.906.476.0758.0419/05/2014189-20120605165710.8310.8310.835.540.0052.0505/06/2012
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  03440004NA3 Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org