Club Certificate2025
Odins RavnNOR 4315
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 Angles42.2°42.2°40.3°38.3°37.8°37.6°37.6°38.1°39.7°
Beat VMG2.473.364.024.444.634.704.744.744.64
52°3.805.055.856.256.456.536.596.646.63
60°4.035.276.026.396.596.716.776.856.87
75°4.145.396.126.506.746.927.057.207.29
90°4.005.286.106.576.847.037.227.537.73
110°3.805.146.096.596.957.267.558.028.36
120°3.604.935.916.486.867.207.548.269.04
135°3.154.395.406.156.606.967.318.099.28
150°2.593.744.775.636.256.666.997.688.55
Run VMG2.243.244.144.925.616.156.557.187.84
Gybe Angles147.1°147.1°152.1°156.1°163.9°171.6°178.1°178.6°178.1°
APH ToD:611.7CDL: 7.393APH ToT: 0.9808CertNo:5919
BOAT
ClassNESSY 94 GPDesignerRobertHumphreyBuilderNesmar A/SAge date01/1983Series date01/1983Offset fileNESSY94.OFFData file5919
HULL
Length Overall9.384 mMaximum Beam3.264 mDraft1.770 mDisplacement2,854 kgDLR8.6343IMS DivisionCruiser/RacerDynamic Allowance0.030%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.1028.78Headsail Luffed21.5421.54Headsail FlyingSymmetric45.3345.33Asymmetric
STORM SAIL AREAS (m²)
Trysail8.16Storm Jib5.33Heavy Weather Jib14.38
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.
Club Certificate2025
Odins RavnNOR 4315
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 VMG1459.21071.3894.6810.1778.0765.5759.5758.7775.7
52°946.4713.5615.6575.8558.6550.9546.5542.0543.0
60°893.2682.8598.1563.6546.4536.8531.7525.4524.0
75°868.8667.5587.9553.9533.9520.3510.8500.1493.9
90°899.7681.5589.9548.2526.0512.1498.5478.2465.4
110°946.8699.8591.5546.0518.1495.8477.0448.8430.8
120°999.7730.5609.2555.6525.0500.0477.7436.1398.1
135°1144.0820.2666.2585.3545.2517.5492.7444.9387.9
150°1387.7963.2755.0639.1575.7540.7514.9469.0421.0
Run VMG1605.21112.2870.1731.5641.9585.8549.6501.5459.4
Selected Courses
Windward / Leeward1530.21091.8882.4770.8710.0675.6654.6630.1617.6
All purpose1157.2844.4700.5629.1591.9570.1554.6531.9515.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward742.10.8085
All purpose611.70.9808
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7194
Downwind "popa"0.8412
70% up, 30% down "Ilhabela"0.7521
30% up, 70% down "Ilhabela-inverso"0.8006
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Predominantly Upwind656.20.9144
Predominantly Downwind624.80.9603
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low772.40.7768
Triple Number AP Medium608.00.9869
Triple Number AP High550.01.0909
Triple Number Windward/Leeward Low1030.40.5823
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Single Number Predominant Upwind680.40.8818
Single Number Predominant Reaching610.90.9822
Single Number Predominant Downwind652.10.9201
Predominant Upwind - Low909.60.6596
Predominant Upwind - Low/Med709.60.8456
Predominant Upwind - Medium637.40.9414
Predominant Upwind - Med/High603.60.9940
Predominant Upwind - High589.31.0182
Predominant Downwind Low948.40.6326
Predominant Downwind Low/Med705.50.8505
Predominant Downwind Medium603.50.9942
Predominant Downwind Med/High541.61.1079
Predominant Downwind High504.11.1901
Predominant Reaching Low831.00.7220
Predominant Reaching Low/Med645.10.9301
Predominant Reaching Medium573.71.0459
Predominant Reaching Med/High531.91.1280
Predominant Reaching High505.21.1876
SA/DSPL Upwind24.59SA/DSPL Downwind36.37
Scoring OptionTODTOT
5-Band Windward/Leeward Low1149.50.5219
5-Band Windward/Leeward Low/Med848.40.7072
5-Band Windward/Leeward Medium724.10.8286
5-Band Windward/Leeward Med/High658.60.9110
5-Band Windward/Leeward High632.20.9491
Windward/Leeward 60-40 Low1144.50.5243
Windward/Leeward 60-40 Low/Med853.50.7030
Windward/Leeward 60-40 Medium737.10.8140
Windward/Leeward 60-40 Med/High679.30.8832
Windward/Leeward 60-40 High658.10.9117
5-Band AP Low855.40.7014
5-Band AP Low/Med680.50.8817
5-Band AP Medium600.40.9994
5-Band AP Med/High556.51.0781
5-Band AP High533.01.1256
5-Band SF Bay Tour - Low990.50.6058
5-Band SF Bay Tour - Low/Med812.10.7388
5-Band SF Bay Tour - Medium702.20.8545
5-Band SF Bay Tour - Med/High646.00.9288
5-Band SF Bay Tour - High621.20.9659
Chicago-Mac Upwind0.8585
Chicago-Mac All Purpose0.8765
Chicago-Mac Downwind0.8880
Bayview-Mac Cove Island0.6501
Bayview-Mac Shore0.6558
Harvest Moon Regatta537.31.1167
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance663.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating663.20.9047
FinRating, kevyt tuuli1131.30.8839
FinRating, kova tuuli535.70.9333
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9047
Triple Number Coastal/Long Distance Low0.7768
Triple Number Coastal/Long Distance Medium0.9870
Triple Number Coastal/Long Distance High1.0909
Triple Number Windward/Leeward Low0.6079
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
For information
General Purpose Handicap (GPH)683.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low772.4
Triple Number Coastal/Long Distance Medium607.9
Triple Number Coastal/Long Distance High550.0
Triple Number Windward/Leeward Low987.0
Triple Number Windward/Leeward Medium736.0
Triple Number Windward/Leeward High650.7
Predominantly Upwind656.2
Predominantly Downwind624.8
Predominantly Reaching599.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7768
Triple Number Coastal/Long Distance Medium0.9870
Triple Number Coastal/Long Distance High1.0909
Triple Number Windward/Leeward Low0.6079
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9221
Coastal/Long Distance0.9047
Predominantly Upwind0.9144
Predominantly Downwind0.9603
For information
General Purpose Handicap (GPH)683.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9808
Distanseseilas Trippeltall svak vind0.7768
Distanseseilas Trippeltall mellomvind0.9870
Distanseseilas Trippeltall sterk vind1.0909
Pølsebane Trippeltall svak vind0.6079
Pølsebane Trippeltall mellomvind0.8152
Pølsebane Trippeltall sterk vind0.9221
Motvind Singeltall0.9144
Medvind Singeltall0.9603
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Coastal/Long Distance663.20.9047
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind656.20.9144
Predominantly Downwind624.80.9603
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore621.30.9657
Cape Doctor Coastal520.61.1526
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7768
Triple Number Coastal/Long Distance Medium0.9870
Triple Number Coastal/Long Distance High1.0909
Triple Number Windward/Leeward Low0.6079
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9221
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7768
Triple Number Coastal/Long Distance Medium0.9870
Triple Number Coastal/Long Distance High1.0909
Triple Number Windward/Leeward Low0.6079
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9221
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Predominantly Upwind656.20.9144
Predominantly Downwind624.80.9603
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.20.9047
Triple Number Coastal/Long Distance Low772.40.7768
Triple Number Coastal/Long Distance Medium607.90.9870
Triple Number Coastal/Long Distance High550.01.0909
Triple Number Windward/Leeward Low987.00.6079
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1631.11093.8833.5701.7629.3591.2560.8508.9489.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low772.40.7768
Triple Number AP Medium608.00.9869
Triple Number AP High550.01.0909
Triple Number Windward/Leeward Low1030.40.5823
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High650.70.9221
Single Number Predominant Upwind680.40.8818
Single Number Predominant Reaching610.90.9822
Single Number Predominant Downwind652.10.9201
Predominant Upwind - Low909.60.6596
Predominant Upwind - Low/Med709.60.8456
Predominant Upwind - Medium637.40.9414
Predominant Upwind - Med/High603.60.9940
Predominant Upwind - High589.31.0182
Predominant Downwind Low948.40.6326
Predominant Downwind Low/Med705.50.8505
Predominant Downwind Medium603.50.9942
Predominant Downwind Med/High541.61.1079
Predominant Downwind High504.11.1901
Predominant Reaching Low831.00.7220
Predominant Reaching Low/Med645.10.9301
Predominant Reaching Medium573.71.0459
Predominant Reaching Med/High531.91.1280
Predominant Reaching High505.21.1876
SA/DSPL Upwind24.59SA/DSPL Downwind36.37
Scoring OptionTODTOT
5-Band Windward/Leeward Low1149.50.5219
5-Band Windward/Leeward Low/Med848.40.7072
5-Band Windward/Leeward Medium724.10.8286
5-Band Windward/Leeward Med/High658.60.9110
5-Band Windward/Leeward High632.20.9491
Windward/Leeward 60-40 Low1144.50.5243
Windward/Leeward 60-40 Low/Med853.50.7030
Windward/Leeward 60-40 Medium737.10.8140
Windward/Leeward 60-40 Med/High679.30.8832
Windward/Leeward 60-40 High658.10.9117
5-Band AP Low855.40.7014
5-Band AP Low/Med680.50.8817
5-Band AP Medium600.40.9994
5-Band AP Med/High556.51.0781
5-Band AP High533.01.1256
5-Band SF Bay Tour - Low990.50.6058
5-Band SF Bay Tour - Low/Med812.10.7388
5-Band SF Bay Tour - Medium702.20.8545
5-Band SF Bay Tour - Med/High646.00.9288
5-Band SF Bay Tour - High621.20.9659
Chicago-Mac Upwind0.8585
Chicago-Mac All Purpose0.8765
Chicago-Mac Downwind0.8880
Bayview-Mac Cove Island0.6501
Bayview-Mac Shore0.6558
Harvest Moon Regatta537.31.1167
Club Certificate2025
Odins RavnNOR 4315
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNESSY 94 GPMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.384Max. Beam3.264Draft1.770Displacement2,854Wetted area15.77IMS L7.419LSM06.913Acc. length9.384Sink (kg/mm) 11.69
VCGD0.028VCGM-0.043RM Rated (kg·m) 56.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight407Declared crew weight450
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0040
PSD0.025PHD0.050PHL0.250
PSA28.0°ESL0.450
ST10.020ST20.077ST30.770
ST40.045ST50.165
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P11.280IG10.320ISP10.320MDT10.090MDL10.130MDT20.000MDL20.000TLTaperMW0.000GO0.000
E4.130J3.110BAS1.570FSDFoilSFJ0.000SPL3.190WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.028Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
Odins RavnNOR 4315
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment633-2025042408410.140.911.642.703.4828.1021/04/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment633-2025042408500.050.531.022.053.144.3010.25NoNo 21.5421/04/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment633-20250424085210.0710.0710.075.624.5345.3321/04/2025SLU og SLE var notert med en desimal for lite. Målene var 10,065.
CRUISER/RACER REQUIREMENTS*
Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity38 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.