Club Certificate2025
AugustaFIN-3517
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 Angles42.9°42.9°40.8°39.6°38.5°37.8°37.8°38.3°39.8°
Beat VMG2.223.033.654.094.394.544.604.624.54
52°3.444.595.385.896.206.356.426.486.47
60°3.634.815.596.066.346.506.596.666.68
75°3.734.955.746.206.476.676.816.967.03
90°3.845.136.006.446.656.776.907.197.38
110°3.885.206.096.556.857.107.307.587.84
120°3.685.005.966.486.827.137.427.978.33
135°3.174.435.476.226.636.967.288.039.01
150°2.653.794.815.696.316.676.987.628.49
Run VMG2.293.284.174.955.666.156.527.107.71
Gybe Angles147.4°147.4°152.0°153.2°163.0°170.0°177.2°178.1°175.9°
APH ToD:629.9CDL: 7.116APH ToT: 0.9526CertNo:
BOAT
ClassFacil 30DesignerTommy StahlBuilderFacil BatarnaAge date01/1984Series date01/1984Offset fileS-9181.OFFData fileFIN3517
HULL
Length Overall9.070 mMaximum Beam3.024 mDraft1.788 mDisplacement3,511 kgDLR8.9688IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight360 kg(declared)Minimum weight230 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.5324.79Headsail Luffed18.2218.22Headsail FlyingSymmetric66.3466.34Asymmetric
STORM SAIL AREAS (m²)
Trysail7.56Storm Jib5.83Heavy Weather Jib15.72
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.
Club Certificate2025
AugustaFIN-3517
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 VMG1619.71186.7987.2881.0819.4792.6782.2778.5793.4
52°1047.6784.7669.2610.7581.0566.9560.6555.5556.1
60°991.3747.8643.6593.7567.7553.7546.3540.2539.0
75°965.1727.6626.6580.7556.1539.8528.8517.1512.1
90°938.0701.2599.7558.9541.3532.0521.7500.6488.1
110°928.9692.6591.1549.9525.2507.0493.1474.6459.2
120°979.6719.4604.1555.8527.5505.0485.2451.8432.0
135°1135.5812.0657.8578.5543.0517.3494.2448.1399.7
150°1357.2950.1749.2632.7570.8539.8515.9472.3424.0
Run VMG1574.41097.1863.5728.0636.4585.6552.1507.0467.2
Selected Courses
Windward / Leeward1595.41141.9925.3804.5727.9689.1667.1642.8630.3
All purpose1208.8880.8729.2651.2606.7582.9567.6546.2531.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward765.60.7837
All purpose629.90.9526
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6744
Downwind "popa"0.8451
70% up, 30% down "Ilhabela"0.7179
30% up, 70% down "Ilhabela-inverso"0.7855
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Predominantly Upwind684.70.8763
Predominantly Downwind632.90.9480
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low805.00.7453
Triple Number AP Medium625.90.9587
Triple Number AP High563.41.0649
Triple Number Windward/Leeward Low1077.90.5567
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Single Number Predominant Upwind711.60.8431
Single Number Predominant Reaching626.90.9571
Single Number Predominant Downwind660.50.9084
Predominant Upwind - Low974.60.6156
Predominant Upwind - Low/Med751.30.7987
Predominant Upwind - Medium662.70.9054
Predominant Upwind - Med/High620.10.9676
Predominant Upwind - High604.60.9925
Predominant Downwind Low961.30.6242
Predominant Downwind Low/Med714.30.8400
Predominant Downwind Medium610.20.9832
Predominant Downwind Med/High549.41.0920
Predominant Downwind High513.81.1677
Predominant Reaching Low858.70.6988
Predominant Reaching Low/Med661.90.9065
Predominant Reaching Medium586.81.0225
Predominant Reaching Med/High545.41.1002
Predominant Reaching High519.51.1550
SA/DSPL Upwind18.43SA/DSPL Downwind39.17
Scoring OptionTODTOT
5-Band Windward/Leeward Low1201.50.4994
5-Band Windward/Leeward Low/Med885.50.6776
5-Band Windward/Leeward Medium745.70.8046
5-Band Windward/Leeward Med/High671.80.8931
5-Band Windward/Leeward High644.80.9305
Windward/Leeward 60-40 Low1210.30.4958
Windward/Leeward 60-40 Low/Med899.30.6672
Windward/Leeward 60-40 Medium763.80.7856
Windward/Leeward 60-40 Med/High694.70.8636
Windward/Leeward 60-40 High672.20.8926
5-Band AP Low884.30.6785
5-Band AP Low/Med705.90.8499
5-Band AP Medium617.10.9723
5-Band AP Med/High569.91.0529
5-Band AP High547.41.0961
5-Band SF Bay Tour - Low1040.20.5768
5-Band SF Bay Tour - Low/Med849.60.7062
5-Band SF Bay Tour - Medium724.30.8284
5-Band SF Bay Tour - Med/High659.40.9100
5-Band SF Bay Tour - High634.10.9462
Chicago-Mac Upwind0.8172
Chicago-Mac All Purpose0.8493
Chicago-Mac Downwind0.8768
Bayview-Mac Cove Island0.6253
Bayview-Mac Shore0.6297
Harvest Moon Regatta551.11.0887
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance683.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating683.60.8777
FinRating, kevyt tuuli1177.80.8491
FinRating, kova tuuli551.10.9073
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8777
Triple Number Coastal/Long Distance Low0.7453
Triple Number Coastal/Long Distance Medium0.9588
Triple Number Coastal/Long Distance High1.0649
Triple Number Windward/Leeward Low0.5805
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
For information
General Purpose Handicap (GPH)705.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low805.0
Triple Number Coastal/Long Distance Medium625.8
Triple Number Coastal/Long Distance High563.4
Triple Number Windward/Leeward Low1033.6
Triple Number Windward/Leeward Medium760.2
Triple Number Windward/Leeward High663.5
Predominantly Upwind684.7
Predominantly Downwind632.9
Predominantly Reaching611.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7453
Triple Number Coastal/Long Distance Medium0.9588
Triple Number Coastal/Long Distance High1.0649
Triple Number Windward/Leeward Low0.5805
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.9043
Coastal/Long Distance0.8777
Predominantly Upwind0.8763
Predominantly Downwind0.9480
For information
General Purpose Handicap (GPH)705.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9526
Distanseseilas Trippeltall svak vind0.7453
Distanseseilas Trippeltall mellomvind0.9588
Distanseseilas Trippeltall sterk vind1.0649
Pølsebane Trippeltall svak vind0.5805
Pølsebane Trippeltall mellomvind0.7893
Pølsebane Trippeltall sterk vind0.9043
Motvind Singeltall0.8763
Medvind Singeltall0.9480
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Coastal/Long Distance683.60.8777
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind684.70.8763
Predominantly Downwind632.90.9480
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore634.00.9463
Cape Doctor Coastal536.11.1192
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7453
Triple Number Coastal/Long Distance Medium0.9588
Triple Number Coastal/Long Distance High1.0649
Triple Number Windward/Leeward Low0.5805
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.9043
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7453
Triple Number Coastal/Long Distance Medium0.9588
Triple Number Coastal/Long Distance High1.0649
Triple Number Windward/Leeward Low0.5805
Triple Number Windward/Leeward Medium0.7893
Triple Number Windward/Leeward High0.9043
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Predominantly Upwind684.70.8763
Predominantly Downwind632.90.9480
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance683.60.8777
Triple Number Coastal/Long Distance Low805.00.7453
Triple Number Coastal/Long Distance Medium625.80.9588
Triple Number Coastal/Long Distance High563.41.0649
Triple Number Windward/Leeward Low1033.60.5805
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1686.31137.4870.1728.7645.3604.1573.6523.9508.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low805.00.7453
Triple Number AP Medium625.90.9587
Triple Number AP High563.41.0649
Triple Number Windward/Leeward Low1077.90.5567
Triple Number Windward/Leeward Medium760.20.7893
Triple Number Windward/Leeward High663.50.9043
Single Number Predominant Upwind711.60.8431
Single Number Predominant Reaching626.90.9571
Single Number Predominant Downwind660.50.9084
Predominant Upwind - Low974.60.6156
Predominant Upwind - Low/Med751.30.7987
Predominant Upwind - Medium662.70.9054
Predominant Upwind - Med/High620.10.9676
Predominant Upwind - High604.60.9925
Predominant Downwind Low961.30.6242
Predominant Downwind Low/Med714.30.8400
Predominant Downwind Medium610.20.9832
Predominant Downwind Med/High549.41.0920
Predominant Downwind High513.81.1677
Predominant Reaching Low858.70.6988
Predominant Reaching Low/Med661.90.9065
Predominant Reaching Medium586.81.0225
Predominant Reaching Med/High545.41.1002
Predominant Reaching High519.51.1550
SA/DSPL Upwind18.43SA/DSPL Downwind39.17
Scoring OptionTODTOT
5-Band Windward/Leeward Low1201.50.4994
5-Band Windward/Leeward Low/Med885.50.6776
5-Band Windward/Leeward Medium745.70.8046
5-Band Windward/Leeward Med/High671.80.8931
5-Band Windward/Leeward High644.80.9305
Windward/Leeward 60-40 Low1210.30.4958
Windward/Leeward 60-40 Low/Med899.30.6672
Windward/Leeward 60-40 Medium763.80.7856
Windward/Leeward 60-40 Med/High694.70.8636
Windward/Leeward 60-40 High672.20.8926
5-Band AP Low884.30.6785
5-Band AP Low/Med705.90.8499
5-Band AP Medium617.10.9723
5-Band AP Med/High569.91.0529
5-Band AP High547.41.0961
5-Band SF Bay Tour - Low1040.20.5768
5-Band SF Bay Tour - Low/Med849.60.7062
5-Band SF Bay Tour - Medium724.30.8284
5-Band SF Bay Tour - Med/High659.40.9100
5-Band SF Bay Tour - High634.10.9462
Chicago-Mac Upwind0.8172
Chicago-Mac All Purpose0.8493
Chicago-Mac Downwind0.8768
Bayview-Mac Cove Island0.6253
Bayview-Mac Shore0.6297
Harvest Moon Regatta551.11.0887
Club Certificate2025
AugustaFIN-3517
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFacil 30Measurement07/07/2020HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.070Max. Beam3.024Draft1.788Displacement3,511Wetted area17.87IMS L7.590LSM07.315Acc. length9.070Sink (kg/mm) 13.16
VCGD0.019VCGM0.079RM Rated (kg·m) 66.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight441Declared crew weight360
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBW0.080PIPA0.0014
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders1Rotating mastNo
P12.000IG10.790ISP10.840MDT10.100MDL10.150MDT2MDL2TLTaperMWGO
E3.600J3.150BAS1.250FSDFoilSFJSPL3.150WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date07/07/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
AugustaFIN-3517
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.681.232.162.9224.53
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.040.470.891.732.553.3310.66NoNo 18.22
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment110.7010.7010.707.706.4066.3412/04/2022
CRUISER/RACER REQUIREMENTS*
Accommodation length9.1 mTable area0.44 m²Headroom1.63 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity62 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity32 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.