Non Spin/HSFClub Certificate2025
BateleurRSA-241
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 Angles43.6°43.6°41.4°39.9°39.2°38.8°38.6°38.6°40.0°
Beat VMG2.473.474.284.764.965.075.135.185.08
52°3.875.316.376.927.127.227.287.347.33
60°4.155.616.637.147.347.447.507.577.58
75°4.365.826.797.317.577.727.817.938.00
90°4.235.696.727.307.647.888.078.328.47
110°3.524.966.177.017.507.868.178.689.00
120°3.264.655.866.787.367.758.118.819.55
135°2.744.015.196.176.937.437.808.549.38
150°2.273.384.435.316.126.797.277.938.63
Run VMG1.972.933.844.655.486.236.867.698.37
Gybe Angles143.9°143.9°145.2°171.2°172.6°173.7°175.7°178.0°177.5°
APH ToD:581.8CDL: 9.375APH ToT: 1.0314CertNo:ZAN286
BOAT
ClassZeevalkDesignerVan De StadtBuilderVan RyswykAge date01/1983Series date01/1949Offset filebatelleur.offData fileRSA241
HULL
Length Overall12.191 mMaximum Beam2.774 mDraft2.004 mDisplacement4,958 kgDLR4.8035IMS DivisionCruiser/RacerDynamic Allowance0.260%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeSolid 3 bladesDiameter0.336m
CREW
Maximum weight500 kg(declared)Minimum weight370 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.1536.72Headsail Luffed33.3333.33Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail10.87Storm Jib10.14Heavy Weather Jib27.36
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
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
BateleurRSA-241
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 VMG1456.71036.2840.5756.9726.0710.5701.5695.0709.1
52°929.2677.7564.8520.3505.9498.6494.5490.2491.1
60°867.8641.8543.0504.3490.5484.0480.1475.7475.0
75°825.9618.8529.9492.2475.8466.3460.8453.7450.3
90°851.4632.2535.9493.1471.1457.0446.2432.5424.9
110°1023.0725.1583.5513.7480.0458.1440.5414.8400.2
120°1103.8774.1614.5530.9489.3464.5443.8408.5376.9
135°1311.8897.0694.0583.8519.7484.7461.4421.6383.9
150°1588.21065.4811.7677.8588.0530.0495.3453.9417.2
Run VMG1829.41230.2937.3774.2657.4578.3524.6468.1430.0
Selected Courses
Windward / Leeward1641.01133.2888.9765.6691.7644.4613.1581.6569.6
All purpose1216.8857.0686.2603.4558.5531.1512.9491.0478.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward725.40.8271
All purpose581.81.0314
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7683
Downwind "popa"0.8124
70% up, 30% down "Ilhabela"0.7810
30% up, 70% down "Ilhabela-inverso"0.7986
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Predominantly Upwind614.70.9761
Predominantly Downwind610.20.9834
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low771.60.7776
Triple Number AP Medium577.31.0393
Triple Number AP High509.31.1782
Triple Number Windward/Leeward Low1061.90.5650
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Single Number Predominant Upwind641.80.9348
Single Number Predominant Reaching580.51.0336
Single Number Predominant Downwind644.70.9306
Predominant Upwind - Low900.20.6665
Predominant Upwind - Low/Med674.60.8894
Predominant Upwind - Medium593.41.0112
Predominant Upwind - Med/High554.71.0817
Predominant Upwind - High539.71.1118
Predominant Downwind Low1006.30.5962
Predominant Downwind Low/Med712.20.8424
Predominant Downwind Medium584.41.0268
Predominant Downwind Med/High506.91.1837
Predominant Downwind High469.21.2787
Predominant Reaching Low838.10.7159
Predominant Reaching Low/Med620.90.9663
Predominant Reaching Medium535.31.1210
Predominant Reaching Med/High488.31.2289
Predominant Reaching High464.91.2907
SA/DSPL Upwind23.77SA/DSPL Downwind23.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1199.60.5002
5-Band Windward/Leeward Low/Med852.30.7040
5-Band Windward/Leeward Medium705.90.8500
5-Band Windward/Leeward Med/High619.70.9682
5-Band Windward/Leeward High584.91.0257
Windward/Leeward 60-40 Low1178.20.5093
Windward/Leeward 60-40 Low/Med846.40.7089
Windward/Leeward 60-40 Medium711.90.8428
Windward/Leeward 60-40 Med/High636.50.9426
Windward/Leeward 60-40 High607.70.9874
5-Band AP Low875.90.6850
5-Band AP Low/Med663.30.9046
5-Band AP Medium568.21.0560
5-Band AP Med/High516.11.1625
5-Band AP High492.71.2178
5-Band SF Bay Tour - Low1015.00.5911
5-Band SF Bay Tour - Low/Med808.30.7423
5-Band SF Bay Tour - Medium678.30.8845
5-Band SF Bay Tour - Med/High605.90.9903
5-Band SF Bay Tour - High576.21.0413
Chicago-Mac Upwind0.9066
Chicago-Mac All Purpose0.9041
Chicago-Mac Downwind0.8902
Bayview-Mac Cove Island0.6379
Bayview-Mac Shore0.6464
Harvest Moon Regatta501.61.1962
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance638.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating638.10.9402
FinRating, kevyt tuuli1183.00.8453
FinRating, kova tuuli496.11.0078
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9402
Triple Number Coastal/Long Distance Low0.7776
Triple Number Coastal/Long Distance Medium1.0394
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.5934
Triple Number Windward/Leeward Medium0.8323
Triple Number Windward/Leeward High0.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
For information
General Purpose Handicap (GPH)658.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low771.6
Triple Number Coastal/Long Distance Medium577.3
Triple Number Coastal/Long Distance High509.3
Triple Number Windward/Leeward Low1011.1
Triple Number Windward/Leeward Medium720.9
Triple Number Windward/Leeward High609.1
Predominantly Upwind614.7
Predominantly Downwind610.2
Predominantly Reaching571.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7776
Triple Number Coastal/Long Distance Medium1.0394
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.5934
Triple Number Windward/Leeward Medium0.8323
Triple Number Windward/Leeward High0.9851
Coastal/Long Distance0.9402
Predominantly Upwind0.9761
Predominantly Downwind0.9834
For information
General Purpose Handicap (GPH)658.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0314
Distanseseilas Trippeltall svak vind0.7776
Distanseseilas Trippeltall mellomvind1.0394
Distanseseilas Trippeltall sterk vind1.1782
Pølsebane Trippeltall svak vind0.5934
Pølsebane Trippeltall mellomvind0.8323
Pølsebane Trippeltall sterk vind0.9851
Motvind Singeltall0.9761
Medvind Singeltall0.9834
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Coastal/Long Distance638.10.9402
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind614.70.9761
Predominantly Downwind610.20.9834
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore573.21.0468
Cape Doctor Coastal482.51.2434
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7776
Triple Number Coastal/Long Distance Medium1.0394
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.5934
Triple Number Windward/Leeward Medium0.8323
Triple Number Windward/Leeward High0.9851
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7776
Triple Number Coastal/Long Distance Medium1.0394
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.5934
Triple Number Windward/Leeward Medium0.8323
Triple Number Windward/Leeward High0.9851
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Predominantly Upwind614.70.9761
Predominantly Downwind610.20.9834
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance638.10.9402
Triple Number Coastal/Long Distance Low771.60.7776
Triple Number Coastal/Long Distance Medium577.31.0394
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low1011.10.5934
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1787.11142.9836.4686.1598.7552.5518.8469.2453.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low771.60.7776
Triple Number AP Medium577.31.0393
Triple Number AP High509.31.1782
Triple Number Windward/Leeward Low1061.90.5650
Triple Number Windward/Leeward Medium720.90.8323
Triple Number Windward/Leeward High609.10.9851
Single Number Predominant Upwind641.80.9348
Single Number Predominant Reaching580.51.0336
Single Number Predominant Downwind644.70.9306
Predominant Upwind - Low900.20.6665
Predominant Upwind - Low/Med674.60.8894
Predominant Upwind - Medium593.41.0112
Predominant Upwind - Med/High554.71.0817
Predominant Upwind - High539.71.1118
Predominant Downwind Low1006.30.5962
Predominant Downwind Low/Med712.20.8424
Predominant Downwind Medium584.41.0268
Predominant Downwind Med/High506.91.1837
Predominant Downwind High469.21.2787
Predominant Reaching Low838.10.7159
Predominant Reaching Low/Med620.90.9663
Predominant Reaching Medium535.31.1210
Predominant Reaching Med/High488.31.2289
Predominant Reaching High464.91.2907
SA/DSPL Upwind23.77SA/DSPL Downwind23.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1199.60.5002
5-Band Windward/Leeward Low/Med852.30.7040
5-Band Windward/Leeward Medium705.90.8500
5-Band Windward/Leeward Med/High619.70.9682
5-Band Windward/Leeward High584.91.0257
Windward/Leeward 60-40 Low1178.20.5093
Windward/Leeward 60-40 Low/Med846.40.7089
Windward/Leeward 60-40 Medium711.90.8428
Windward/Leeward 60-40 Med/High636.50.9426
Windward/Leeward 60-40 High607.70.9874
5-Band AP Low875.90.6850
5-Band AP Low/Med663.30.9046
5-Band AP Medium568.21.0560
5-Band AP Med/High516.11.1625
5-Band AP High492.71.2178
5-Band SF Bay Tour - Low1015.00.5911
5-Band SF Bay Tour - Low/Med808.30.7423
5-Band SF Bay Tour - Medium678.30.8845
5-Band SF Bay Tour - Med/High605.90.9903
5-Band SF Bay Tour - High576.21.0413
Chicago-Mac Upwind0.9066
Chicago-Mac All Purpose0.9041
Chicago-Mac Downwind0.8902
Bayview-Mac Cove Island0.6379
Bayview-Mac Shore0.6464
Harvest Moon Regatta501.61.1962
Non Spin/HSFClub Certificate2025
BateleurRSA-241
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassZeevalkMeasurement21/06/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.191Max. Beam2.774Draft2.004Displacement4,958Wetted area24.38IMS L10.290LSM010.105Acc. length9.015Sink (kg/mm) 17.11
VCGD-0.210VCGM-0.188RM Rated (kg·m) 93.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight699Declared crew weight500
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.336PBW0.120PIPA0.0153
PSD0.025PHD0.035PHL0.030
PSA16.0°ESL0.950
ST10.018ST20.090ST30.100
ST40.050ST50.230
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P13.710IG14.131ISP14.181MDT10.122MDL10.200MDT2MDL2TLNo TaperMW0.200GO0.230
E4.530J4.100BAS1.491FSD0.030SFJ0.560SPLWPLTPS5.320BD0.150MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date03/07/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
BateleurRSA-241
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM1-10.180.901.652.813.7436.1503/04/2025Full Batten
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG1-10.080.641.242.523.965.4712.66NoNo 33.3303/04/2025Roller Furler
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.