Non Spin/HSFClub Certificate2025
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 Angles44.9°44.9°43.2°42.7°42.7°41.7°40.7°39.9°40.0°
Beat VMG2.012.753.323.714.034.294.484.644.68
52°3.194.295.085.646.016.256.426.576.63
60°3.434.555.325.866.206.426.586.766.84
75°3.554.705.486.036.366.586.767.037.17
90°3.484.635.436.016.406.676.887.227.41
110°3.144.295.185.876.336.636.867.317.70
120°2.934.064.975.686.206.536.787.237.65
135°2.503.584.515.255.856.286.587.037.46
150°2.093.073.994.765.405.936.326.827.24
Run VMG1.802.663.484.224.865.445.936.576.99
Gybe Angles149.6°149.6°155.5°166.7°173.6°176.3°178.6°179.5°179.5°
APH ToD:688.9CDL: 6.814APH ToT: 0.8709CertNo: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 Allowance0.487%
PROPELLER
InstallationShaft non exposedTypeSolid 2 bladesDiameter0.340m
CREW
Maximum weight504 kg(default)Minimum weight374 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.5226.73Headsail Luffed25.1825.18Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail8.62Storm Jib6.02Heavy Weather Jib16.25
SAIL LIMITS
Headsails5
✱ 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
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 VMG1789.21307.31085.5970.0893.2838.6803.0775.5769.9
52°1126.8838.9709.3638.8599.2575.8561.1547.9542.6
60°1049.5790.7677.1614.6580.8560.8547.5532.8526.4
75°1014.7765.5656.5596.7565.9546.9532.8512.4502.3
90°1035.2777.5663.1598.6562.5540.0523.4498.5486.1
110°1148.0840.0695.3613.2568.9543.4524.4492.7467.7
120°1227.3886.6724.6633.6581.0551.5531.3498.2470.7
135°1437.61005.7797.4686.0615.0572.9547.4512.0482.5
150°1724.51171.4901.4756.8667.2606.7569.7528.1497.1
Run VMG1994.91352.61035.0854.0740.3662.2607.1548.4514.7
Selected Courses
Windward / Leeward1888.11330.01060.3912.0816.7750.4705.1661.9642.3
All purpose1410.01014.6827.0724.7662.3621.4594.2564.0546.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward853.60.7029
All purpose688.90.8709
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6294
Downwind "popa"0.7242
70% up, 30% down "Ilhabela"0.6551
30% up, 70% down "Ilhabela-inverso"0.6929
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Predominantly Upwind738.60.8124
Predominantly Downwind712.40.8422
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low920.80.6516
Triple Number AP Medium686.70.8738
Triple Number AP High589.61.0176
Triple Number Windward/Leeward Low1250.00.4800
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Single Number Predominant Upwind766.60.7827
Single Number Predominant Reaching686.00.8746
Single Number Predominant Downwind747.60.8026
Predominant Upwind - Low1091.30.5498
Predominant Upwind - Low/Med827.50.7251
Predominant Upwind - Medium711.80.8429
Predominant Upwind - Med/High640.70.9365
Predominant Upwind - High611.90.9806
Predominant Downwind Low1148.20.5226
Predominant Downwind Low/Med826.70.7257
Predominant Downwind Medium681.80.8800
Predominant Downwind Med/High591.01.0152
Predominant Downwind High549.21.0926
Predominant Reaching Low988.90.6067
Predominant Reaching Low/Med743.00.8075
Predominant Reaching Medium635.40.9443
Predominant Reaching Med/High570.01.0526
Predominant Reaching High539.31.1125
SA/DSPL Upwind16.50SA/DSPL Downwind16.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low1403.10.4276
5-Band Windward/Leeward Low/Med1011.80.5930
5-Band Windward/Leeward Medium832.40.7208
5-Band Windward/Leeward Med/High714.90.8393
5-Band Windward/Leeward High666.00.9009
Windward/Leeward 60-40 Low1396.90.4295
Windward/Leeward 60-40 Low/Med1019.20.5887
Windward/Leeward 60-40 Medium847.00.7084
Windward/Leeward 60-40 Med/High734.30.8171
Windward/Leeward 60-40 High688.70.8713
5-Band AP Low1024.20.5858
5-Band AP Low/Med794.20.7554
5-Band AP Medium673.80.8904
5-Band AP Med/High599.41.0010
5-Band AP High566.21.0597
5-Band SF Bay Tour - Low1203.60.4985
5-Band SF Bay Tour - Low/Med968.30.6197
5-Band SF Bay Tour - Medium805.50.7449
5-Band SF Bay Tour - Med/High700.70.8563
5-Band SF Bay Tour - High657.30.9128
Chicago-Mac Upwind0.7520
Chicago-Mac All Purpose0.7645
Chicago-Mac Downwind0.7686
Bayview-Mac Cove Island0.5443
Bayview-Mac Shore0.5500
Harvest Moon Regatta592.21.0132
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance754.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating754.20.7956
FinRating, kevyt tuuli1378.20.7256
FinRating, kova tuuli571.20.8754
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7956
Triple Number Coastal/Long Distance Low0.6516
Triple Number Coastal/Long Distance Medium0.8739
Triple Number Coastal/Long Distance High1.0176
Triple Number Windward/Leeward Low0.5020
Triple Number Windward/Leeward Medium0.7041
Triple Number Windward/Leeward High0.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
For information
General Purpose Handicap (GPH)780.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low920.8
Triple Number Coastal/Long Distance Medium686.6
Triple Number Coastal/Long Distance High589.6
Triple Number Windward/Leeward Low1195.2
Triple Number Windward/Leeward Medium852.2
Triple Number Windward/Leeward High700.2
Predominantly Upwind738.6
Predominantly Downwind712.4
Predominantly Reaching675.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6516
Triple Number Coastal/Long Distance Medium0.8739
Triple Number Coastal/Long Distance High1.0176
Triple Number Windward/Leeward Low0.5020
Triple Number Windward/Leeward Medium0.7041
Triple Number Windward/Leeward High0.8569
Coastal/Long Distance0.7956
Predominantly Upwind0.8124
Predominantly Downwind0.8422
For information
General Purpose Handicap (GPH)780.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8709
Distanseseilas Trippeltall svak vind0.6516
Distanseseilas Trippeltall mellomvind0.8739
Distanseseilas Trippeltall sterk vind1.0176
Pølsebane Trippeltall svak vind0.5020
Pølsebane Trippeltall mellomvind0.7041
Pølsebane Trippeltall sterk vind0.8569
Motvind Singeltall0.8124
Medvind Singeltall0.8422
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Coastal/Long Distance754.20.7956
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind738.60.8124
Predominantly Downwind712.40.8422
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore648.20.9256
Cape Doctor Coastal551.91.0871
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6516
Triple Number Coastal/Long Distance Medium0.8739
Triple Number Coastal/Long Distance High1.0176
Triple Number Windward/Leeward Low0.5020
Triple Number Windward/Leeward Medium0.7041
Triple Number Windward/Leeward High0.8569
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6516
Triple Number Coastal/Long Distance Medium0.8739
Triple Number Coastal/Long Distance High1.0176
Triple Number Windward/Leeward Low0.5020
Triple Number Windward/Leeward Medium0.7041
Triple Number Windward/Leeward High0.8569
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Predominantly Upwind738.60.8124
Predominantly Downwind712.40.8422
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance754.20.7956
Triple Number Coastal/Long Distance Low920.80.6516
Triple Number Coastal/Long Distance Medium686.60.8739
Triple Number Coastal/Long Distance High589.61.0176
Triple Number Windward/Leeward Low1195.20.5020
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2024.01332.2996.5819.7709.6645.6601.0542.7524.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low920.80.6516
Triple Number AP Medium686.70.8738
Triple Number AP High589.61.0176
Triple Number Windward/Leeward Low1250.00.4800
Triple Number Windward/Leeward Medium852.20.7041
Triple Number Windward/Leeward High700.20.8569
Single Number Predominant Upwind766.60.7827
Single Number Predominant Reaching686.00.8746
Single Number Predominant Downwind747.60.8026
Predominant Upwind - Low1091.30.5498
Predominant Upwind - Low/Med827.50.7251
Predominant Upwind - Medium711.80.8429
Predominant Upwind - Med/High640.70.9365
Predominant Upwind - High611.90.9806
Predominant Downwind Low1148.20.5226
Predominant Downwind Low/Med826.70.7257
Predominant Downwind Medium681.80.8800
Predominant Downwind Med/High591.01.0152
Predominant Downwind High549.21.0926
Predominant Reaching Low988.90.6067
Predominant Reaching Low/Med743.00.8075
Predominant Reaching Medium635.40.9443
Predominant Reaching Med/High570.01.0526
Predominant Reaching High539.31.1125
SA/DSPL Upwind16.50SA/DSPL Downwind16.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low1403.10.4276
5-Band Windward/Leeward Low/Med1011.80.5930
5-Band Windward/Leeward Medium832.40.7208
5-Band Windward/Leeward Med/High714.90.8393
5-Band Windward/Leeward High666.00.9009
Windward/Leeward 60-40 Low1396.90.4295
Windward/Leeward 60-40 Low/Med1019.20.5887
Windward/Leeward 60-40 Medium847.00.7084
Windward/Leeward 60-40 Med/High734.30.8171
Windward/Leeward 60-40 High688.70.8713
5-Band AP Low1024.20.5858
5-Band AP Low/Med794.20.7554
5-Band AP Medium673.80.8904
5-Band AP Med/High599.41.0010
5-Band AP High566.21.0597
5-Band SF Bay Tour - Low1203.60.4985
5-Band SF Bay Tour - Low/Med968.30.6197
5-Band SF Bay Tour - Medium805.50.7449
5-Band SF Bay Tour - Med/High700.70.8563
5-Band SF Bay Tour - High657.30.9128
Chicago-Mac Upwind0.7520
Chicago-Mac All Purpose0.7645
Chicago-Mac Downwind0.7686
Bayview-Mac Cove Island0.5443
Bayview-Mac Shore0.5500
Harvest Moon Regatta592.21.0132
Non Spin/HSFClub Certificate2025
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
LOA8.980Max. Beam2.770Draft1.259Displacement5,497Wetted area22.34IMS L8.038LSM08.034Acc. length9.002Sink (kg/mm) 15.27
VCGD-0.300VCGM-0.469RM Rated (kg·m) 128.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight504Declared crew weightN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0058
PSDPHDPHL
PSAESL
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders0Rotating mastNo
P12.100IG10.970ISP10.970MDT10.120MDL10.200MDT20.000MDL20.000TL0.000MW0.000GO0.000
E4.070J3.410BAS1.000FSD0.000SFJ0.000SPL3.710WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.300Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
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
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.