Double HandedClub Certificate2025
Raindance MaggieFin 12094
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 Angles43.3°43.3°41.3°40.4°39.6°39.3°39.3°39.6°41.4°
Beat VMG2.503.454.174.634.864.965.015.024.86
52°3.895.256.206.767.027.127.197.247.18
60°4.155.536.466.987.237.347.417.487.44
75°4.345.756.657.147.437.627.747.897.94
90°4.235.656.617.157.477.737.968.288.47
110°4.165.676.777.357.737.998.188.518.79
120°4.025.516.627.277.718.108.468.929.32
135°3.534.956.116.957.467.888.319.2510.58
150°2.904.185.336.307.027.497.908.759.89
Run VMG2.513.624.615.486.216.807.268.038.83
Gybe Angles145.1°145.1°149.6°152.9°159.2°166.2°172.3°175.9°168.5°
APH ToD:562.0CDL: 8.866APH ToT: 1.0676CertNo:
BOAT
ClassDehler 35DesignerSimonis en VoogdBuilderDehlerAge date01/2012Series date05/2007Offset fileDE35ND.offData fileFIN12094
HULL
Length Overall10.500 mMaximum Beam3.466 mDraft2.016 mDisplacement5,900 kgDLR6.6725IMS DivisionCruiser/RacerDynamic Allowance0.200%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight160 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.2039.83Headsail Luffed32.2532.25Headsail FlyingSymmetric93.5193.51Asymmetric
STORM SAIL AREAS (m²)
Trysail11.51Storm Jib10.96Heavy Weather Jib29.58
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
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.
Double HandedClub Certificate2025
Raindance MaggieFin 12094
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 VMG1437.41044.6863.5777.4741.3725.7718.1716.9741.1
52°924.8685.9580.2532.5513.2505.4500.9497.4501.1
60°868.4650.7557.0516.0498.2490.3485.7481.3484.1
75°828.6626.5541.7504.2484.8472.6465.0456.3453.5
90°850.7636.9544.6503.5482.2465.7452.4434.9425.2
110°865.9634.5531.9490.0466.0450.5439.9423.1409.7
120°896.2653.2543.4495.0467.2444.7425.4403.6386.3
135°1019.7727.9589.2518.2482.6456.6433.3389.1340.2
150°1240.4862.0675.9571.1512.5480.5455.7411.3363.8
Run VMG1432.6995.3780.5657.5579.5529.2495.7448.4407.7
Selected Courses
Windward / Leeward1433.91020.0822.0717.5660.4627.4606.9582.7574.4
All purpose1084.7785.7646.9578.4542.8521.9507.6488.2477.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward690.10.8694
All purpose562.01.0676
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7517
Downwind "popa"0.9362
70% up, 30% down "Ilhabela"0.7989
30% up, 70% down "Ilhabela-inverso"0.8720
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Predominantly Upwind610.40.9830
Predominantly Downwind566.21.0597
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low716.30.8377
Triple Number AP Medium558.21.0750
Triple Number AP High503.91.1907
Triple Number Windward/Leeward Low961.90.6237
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Single Number Predominant Upwind634.90.9451
Single Number Predominant Reaching558.41.0746
Single Number Predominant Downwind590.91.0153
Predominant Upwind - Low864.20.6943
Predominant Upwind - Low/Med664.70.9026
Predominant Upwind - Medium591.71.0140
Predominant Upwind - Med/High557.41.0765
Predominant Upwind - High544.51.1020
Predominant Downwind Low863.80.6946
Predominant Downwind Low/Med640.00.9374
Predominant Downwind Medium546.51.0979
Predominant Downwind Med/High488.71.2277
Predominant Downwind High453.91.3219
Predominant Reaching Low769.40.7798
Predominant Reaching Low/Med591.31.0148
Predominant Reaching Medium522.71.1479
Predominant Reaching Med/High482.21.2442
Predominant Reaching High457.91.3102
SA/DSPL Upwind21.75SA/DSPL Downwind40.40
Scoring OptionTODTOT
5-Band Windward/Leeward Low1074.20.5585
5-Band Windward/Leeward Low/Med790.40.7591
5-Band Windward/Leeward Medium673.40.8910
5-Band Windward/Leeward Med/High610.80.9823
5-Band Windward/Leeward High585.41.0249
Windward/Leeward 60-40 Low1078.90.5561
Windward/Leeward 60-40 Low/Med800.70.7493
Windward/Leeward 60-40 Medium689.30.8705
Windward/Leeward 60-40 Med/High632.90.9481
Windward/Leeward 60-40 High612.60.9794
5-Band AP Low790.20.7593
5-Band AP Low/Med627.80.9557
5-Band AP Medium550.91.0891
5-Band AP Med/High509.71.1772
5-Band AP High489.71.2254
5-Band SF Bay Tour - Low926.60.6475
5-Band SF Bay Tour - Low/Med756.90.7927
5-Band SF Bay Tour - Medium652.10.9201
5-Band SF Bay Tour - Med/High597.71.0038
5-Band SF Bay Tour - High574.71.0440
Chicago-Mac Upwind0.9180
Chicago-Mac All Purpose0.9508
Chicago-Mac Downwind0.9789
Bayview-Mac Cove Island0.6987
Bayview-Mac Shore0.7037
Harvest Moon Regatta486.81.2324
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance610.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating610.90.9821
FinRating, kevyt tuuli1054.80.9481
FinRating, kova tuuli493.01.0142
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9821
Triple Number Coastal/Long Distance Low0.8377
Triple Number Coastal/Long Distance Medium1.0751
Triple Number Coastal/Long Distance High1.1907
Triple Number Windward/Leeward Low0.6515
Triple Number Windward/Leeward Medium0.8764
Triple Number Windward/Leeward High0.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
For information
General Purpose Handicap (GPH)629.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low716.2
Triple Number Coastal/Long Distance Medium558.1
Triple Number Coastal/Long Distance High503.9
Triple Number Windward/Leeward Low921.0
Triple Number Windward/Leeward Medium684.6
Triple Number Windward/Leeward High603.0
Predominantly Upwind610.4
Predominantly Downwind566.2
Predominantly Reaching545.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8377
Triple Number Coastal/Long Distance Medium1.0751
Triple Number Coastal/Long Distance High1.1907
Triple Number Windward/Leeward Low0.6515
Triple Number Windward/Leeward Medium0.8764
Triple Number Windward/Leeward High0.9951
Coastal/Long Distance0.9821
Predominantly Upwind0.9830
Predominantly Downwind1.0597
For information
General Purpose Handicap (GPH)629.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0676
Distanseseilas Trippeltall svak vind0.8377
Distanseseilas Trippeltall mellomvind1.0751
Distanseseilas Trippeltall sterk vind1.1907
Pølsebane Trippeltall svak vind0.6515
Pølsebane Trippeltall mellomvind0.8764
Pølsebane Trippeltall sterk vind0.9951
Motvind Singeltall0.9830
Medvind Singeltall1.0597
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Coastal/Long Distance610.90.9821
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind610.40.9830
Predominantly Downwind566.21.0597
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore576.91.0401
Cape Doctor Coastal480.51.2487
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8377
Triple Number Coastal/Long Distance Medium1.0751
Triple Number Coastal/Long Distance High1.1907
Triple Number Windward/Leeward Low0.6515
Triple Number Windward/Leeward Medium0.8764
Triple Number Windward/Leeward High0.9951
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8377
Triple Number Coastal/Long Distance Medium1.0751
Triple Number Coastal/Long Distance High1.1907
Triple Number Windward/Leeward Low0.6515
Triple Number Windward/Leeward Medium0.8764
Triple Number Windward/Leeward High0.9951
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Predominantly Upwind610.40.9830
Predominantly Downwind566.21.0597
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance610.90.9821
Triple Number Coastal/Long Distance Low716.20.8377
Triple Number Coastal/Long Distance Medium558.11.0751
Triple Number Coastal/Long Distance High503.91.1907
Triple Number Windward/Leeward Low921.00.6515
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.11017.5773.6648.9579.2541.5511.6465.9453.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low716.30.8377
Triple Number AP Medium558.21.0750
Triple Number AP High503.91.1907
Triple Number Windward/Leeward Low961.90.6237
Triple Number Windward/Leeward Medium684.60.8764
Triple Number Windward/Leeward High603.00.9951
Single Number Predominant Upwind634.90.9451
Single Number Predominant Reaching558.41.0746
Single Number Predominant Downwind590.91.0153
Predominant Upwind - Low864.20.6943
Predominant Upwind - Low/Med664.70.9026
Predominant Upwind - Medium591.71.0140
Predominant Upwind - Med/High557.41.0765
Predominant Upwind - High544.51.1020
Predominant Downwind Low863.80.6946
Predominant Downwind Low/Med640.00.9374
Predominant Downwind Medium546.51.0979
Predominant Downwind Med/High488.71.2277
Predominant Downwind High453.91.3219
Predominant Reaching Low769.40.7798
Predominant Reaching Low/Med591.31.0148
Predominant Reaching Medium522.71.1479
Predominant Reaching Med/High482.21.2442
Predominant Reaching High457.91.3102
SA/DSPL Upwind21.75SA/DSPL Downwind40.40
Scoring OptionTODTOT
5-Band Windward/Leeward Low1074.20.5585
5-Band Windward/Leeward Low/Med790.40.7591
5-Band Windward/Leeward Medium673.40.8910
5-Band Windward/Leeward Med/High610.80.9823
5-Band Windward/Leeward High585.41.0249
Windward/Leeward 60-40 Low1078.90.5561
Windward/Leeward 60-40 Low/Med800.70.7493
Windward/Leeward 60-40 Medium689.30.8705
Windward/Leeward 60-40 Med/High632.90.9481
Windward/Leeward 60-40 High612.60.9794
5-Band AP Low790.20.7593
5-Band AP Low/Med627.80.9557
5-Band AP Medium550.91.0891
5-Band AP Med/High509.71.1772
5-Band AP High489.71.2254
5-Band SF Bay Tour - Low926.60.6475
5-Band SF Bay Tour - Low/Med756.90.7927
5-Band SF Bay Tour - Medium652.10.9201
5-Band SF Bay Tour - Med/High597.71.0038
5-Band SF Bay Tour - High574.71.0440
Chicago-Mac Upwind0.9180
Chicago-Mac All Purpose0.9508
Chicago-Mac Downwind0.9789
Bayview-Mac Cove Island0.6987
Bayview-Mac Shore0.7037
Harvest Moon Regatta486.81.2324
Double HandedClub Certificate2025
Raindance MaggieFin 12094
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDehler 35Measurement17/06/2021HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
LOA10.500Max. Beam3.466Draft2.016Displacement5,900Wetted area26.67IMS L9.617LSM09.597Acc. length10.500Sink (kg/mm) 19.25
VCGD-0.183VCGM-0.111RM Rated (kg·m) 141.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight160
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0007
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.450IG14.800ISP14.600MDT10.111MDL10.212MDT2MDL2TLTaperMWGO
E4.550J4.100BAS1.580FSDFoilSFJSPL4.264WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date17/06/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Raindance MaggieFin 12094
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentIso0.180.951.702.943.8439.2018/04/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentFocka0.090.671.242.293.214.2714.52NoNo 32.25
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment214.5514.5514.557.747.6093.5126/04/2023
CRUISER/RACER REQUIREMENTS*
Accommodation length10.5 mTable area0.44 m²Headroom1.73 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity90 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity60 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.