Club Certificate2025
A ELENAESP-4600_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 Angles42.8°42.8°40.7°38.8°37.5°37.1°36.7°36.6°37.1°
Beat VMG2.843.894.695.205.435.555.635.705.68
52°4.435.906.867.347.567.667.727.817.83
60°4.726.187.067.497.727.847.908.028.07
75°4.916.367.187.607.878.068.198.378.51
90°4.756.237.137.617.918.178.408.728.95
110°4.175.766.957.608.008.338.629.019.30
120°4.035.596.797.517.958.338.709.429.94
135°3.545.006.237.147.708.118.519.3810.62
150°2.934.235.426.447.227.728.118.899.85
Run VMG2.533.664.695.596.356.977.468.208.92
Gybe Angles144.7°144.7°148.9°152.2°157.4°164.6°170.9°177.2°175.9°
APH ToD:527.0CDL: 10.360APH ToT: 1.1385CertNo:460001
BOAT
ClassGIB'SEA 414 PLUSDesignerR.HUMPHREYSBuilderGIB MARINEAge date11/1995Series date01/1995Offset fileF108.OFFData fileE4600_C
HULL
Length Overall12.155 mMaximum Beam3.940 mDraft2.257 mDisplacement7,276 kgDLR6.9086IMS DivisionCruiser/RacerDynamic Allowance0.020%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight650 kg(declared)Minimum weight520 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail43.8244.89Headsail Luffed57.3357.33Headsail FlyingSymmetric108.71108.71Asymmetric
STORM SAIL AREAS (m²)
Trysail12.87Storm Jib12.96Heavy Weather Jib34.97
SAIL LIMITS
Headsails6Spinnakers5
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
A ELENAESP-4600_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 VMG1267.3924.4767.0692.8662.9648.1639.7631.9633.9
52°812.8610.1524.4490.6476.2469.7466.5461.1459.5
60°762.1582.1509.7480.7466.5459.3455.8448.9446.1
75°733.1566.1501.3473.8457.7446.5439.4429.9423.2
90°757.4578.0505.0473.3454.8440.5428.8412.7402.2
110°862.4624.9517.7473.5450.1432.1417.8399.7387.3
120°892.4644.4530.5479.3452.8432.1413.7382.4362.2
135°1016.3719.8577.6504.1467.7443.8423.0383.9339.0
150°1230.2850.8664.1559.0498.8466.5444.0404.9365.5
Run VMG1420.8982.4766.9644.3566.8516.4482.9439.0403.6
Selected Courses
Windward / Leeward1342.6953.4766.9668.5614.9582.3561.3535.5518.8
All purpose1011.6734.1605.7542.8509.8489.6475.5455.4439.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward641.90.9347
All purpose527.01.1385
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8456
Downwind "popa"0.9548
70% up, 30% down "Ilhabela"0.8757
30% up, 70% down "Ilhabela-inverso"0.9192
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Predominantly Upwind562.21.0673
Predominantly Downwind541.51.1081
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low669.90.8956
Triple Number AP Medium523.81.1455
Triple Number AP High471.51.2726
Triple Number Windward/Leeward Low898.70.6676
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Single Number Predominant Upwind583.01.0292
Single Number Predominant Reaching525.91.1409
Single Number Predominant Downwind565.81.0605
Predominant Upwind - Low785.20.7642
Predominant Upwind - Low/Med609.50.9844
Predominant Upwind - Medium545.81.0992
Predominant Upwind - Med/High514.31.1666
Predominant Upwind - High499.21.2020
Predominant Downwind Low828.70.7240
Predominant Downwind Low/Med612.90.9790
Predominant Downwind Medium522.71.1479
Predominant Downwind Med/High467.51.2834
Predominant Downwind High434.71.3803
Predominant Reaching Low717.90.8358
Predominant Reaching Low/Med555.91.0793
Predominant Reaching Medium493.61.2155
Predominant Reaching Med/High456.61.3141
Predominant Reaching High433.41.3843
SA/DSPL Upwind26.76SA/DSPL Downwind40.35
Scoring OptionTODTOT
5-Band Windward/Leeward Low1004.40.5974
5-Band Windward/Leeward Low/Med737.20.8138
5-Band Windward/Leeward Medium626.50.9577
5-Band Windward/Leeward Med/High565.01.0620
5-Band Windward/Leeward High537.01.1172
Windward/Leeward 60-40 Low997.70.6014
Windward/Leeward 60-40 Low/Med739.50.8113
Windward/Leeward 60-40 Medium635.60.9440
Windward/Leeward 60-40 Med/High580.31.0339
Windward/Leeward 60-40 High556.41.0784
5-Band AP Low744.60.8058
5-Band AP Low/Med588.31.0199
5-Band AP Medium517.01.1605
5-Band AP Med/High477.41.2568
5-Band AP High456.21.3153
5-Band SF Bay Tour - Low862.90.6954
5-Band SF Bay Tour - Low/Med703.70.8526
5-Band SF Bay Tour - Medium605.10.9916
5-Band SF Bay Tour - Med/High552.11.0868
5-Band SF Bay Tour - High526.51.1396
Chicago-Mac Upwind1.0009
Chicago-Mac All Purpose1.0156
Chicago-Mac Downwind1.0223
Bayview-Mac Cove Island0.7487
Bayview-Mac Shore0.7558
Harvest Moon Regatta463.91.2934
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance572.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating572.31.0484
FinRating, kevyt tuuli988.31.0118
FinRating, kova tuuli458.91.0895
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0484
Triple Number Coastal/Long Distance Low0.8956
Triple Number Coastal/Long Distance Medium1.1456
Triple Number Coastal/Long Distance High1.2726
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9415
Triple Number Windward/Leeward High1.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
For information
General Purpose Handicap (GPH)589.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low669.9
Triple Number Coastal/Long Distance Medium523.7
Triple Number Coastal/Long Distance High471.5
Triple Number Windward/Leeward Low860.1
Triple Number Windward/Leeward Medium637.3
Triple Number Windward/Leeward High556.8
Predominantly Upwind562.2
Predominantly Downwind541.5
Predominantly Reaching517.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8956
Triple Number Coastal/Long Distance Medium1.1456
Triple Number Coastal/Long Distance High1.2726
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9415
Triple Number Windward/Leeward High1.0775
Coastal/Long Distance1.0484
Predominantly Upwind1.0673
Predominantly Downwind1.1081
For information
General Purpose Handicap (GPH)589.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1385
Distanseseilas Trippeltall svak vind0.8956
Distanseseilas Trippeltall mellomvind1.1456
Distanseseilas Trippeltall sterk vind1.2726
Pølsebane Trippeltall svak vind0.6976
Pølsebane Trippeltall mellomvind0.9415
Pølsebane Trippeltall sterk vind1.0775
Motvind Singeltall1.0673
Medvind Singeltall1.1081
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Coastal/Long Distance572.31.0484
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind562.21.0673
Predominantly Downwind541.51.1081
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore523.81.1455
Cape Doctor Coastal444.51.3497
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8956
Triple Number Coastal/Long Distance Medium1.1456
Triple Number Coastal/Long Distance High1.2726
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9415
Triple Number Windward/Leeward High1.0775
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8956
Triple Number Coastal/Long Distance Medium1.1456
Triple Number Coastal/Long Distance High1.2726
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9415
Triple Number Windward/Leeward High1.0775
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Predominantly Upwind562.21.0673
Predominantly Downwind541.51.1081
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance572.31.0484
Triple Number Coastal/Long Distance Low669.90.8956
Triple Number Coastal/Long Distance Medium523.71.1456
Triple Number Coastal/Long Distance High471.51.2726
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.5956.3724.0607.1542.1507.6481.1437.9422.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low669.90.8956
Triple Number AP Medium523.81.1455
Triple Number AP High471.51.2726
Triple Number Windward/Leeward Low898.70.6676
Triple Number Windward/Leeward Medium637.30.9415
Triple Number Windward/Leeward High556.81.0775
Single Number Predominant Upwind583.01.0292
Single Number Predominant Reaching525.91.1409
Single Number Predominant Downwind565.81.0605
Predominant Upwind - Low785.20.7642
Predominant Upwind - Low/Med609.50.9844
Predominant Upwind - Medium545.81.0992
Predominant Upwind - Med/High514.31.1666
Predominant Upwind - High499.21.2020
Predominant Downwind Low828.70.7240
Predominant Downwind Low/Med612.90.9790
Predominant Downwind Medium522.71.1479
Predominant Downwind Med/High467.51.2834
Predominant Downwind High434.71.3803
Predominant Reaching Low717.90.8358
Predominant Reaching Low/Med555.91.0793
Predominant Reaching Medium493.61.2155
Predominant Reaching Med/High456.61.3141
Predominant Reaching High433.41.3843
SA/DSPL Upwind26.76SA/DSPL Downwind40.35
Scoring OptionTODTOT
5-Band Windward/Leeward Low1004.40.5974
5-Band Windward/Leeward Low/Med737.20.8138
5-Band Windward/Leeward Medium626.50.9577
5-Band Windward/Leeward Med/High565.01.0620
5-Band Windward/Leeward High537.01.1172
Windward/Leeward 60-40 Low997.70.6014
Windward/Leeward 60-40 Low/Med739.50.8113
Windward/Leeward 60-40 Medium635.60.9440
Windward/Leeward 60-40 Med/High580.31.0339
Windward/Leeward 60-40 High556.41.0784
5-Band AP Low744.60.8058
5-Band AP Low/Med588.31.0199
5-Band AP Medium517.01.1605
5-Band AP Med/High477.41.2568
5-Band AP High456.21.3153
5-Band SF Bay Tour - Low862.90.6954
5-Band SF Bay Tour - Low/Med703.70.8526
5-Band SF Bay Tour - Medium605.10.9916
5-Band SF Bay Tour - Med/High552.11.0868
5-Band SF Bay Tour - High526.51.1396
Chicago-Mac Upwind1.0009
Chicago-Mac All Purpose1.0156
Chicago-Mac Downwind1.0223
Bayview-Mac Cove Island0.7487
Bayview-Mac Shore0.7558
Harvest Moon Regatta463.91.2934
Club Certificate2025
A ELENAESP-4600_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGIB'SEA 414 PLUSMeasurement28/06/2005HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.155Max. Beam3.940Draft2.257Displacement7,276Wetted area29.72IMS L10.570LSM010.173Acc. length12.155Sink (kg/mm) 22.65
VCGD-0.152VCGM-0.130RM Rated (kg·m) 207.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight705Declared crew weight650
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.460PBW0.118PIPA0.0057
PSD0.030PHD0.070PHL0.120
PSA20.0°ESL1.060
ST10.025ST20.090ST30.103
ST40.055ST50.240
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders3Rotating mastNo
P13.870IG15.884ISP15.884MDT10.110MDL10.216MDT20.110MDL20.180TL1.580MW0.180GO0.240
E5.300J4.590BAS1.742FSD0.035SFJ0.000SPL4.590WPLTPSBD0.180MWT213.50MCG5.050
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered210.0Flotation Date25/07/2005
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
A ELENAESP-4600_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.161.131.993.424.4743.82* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC6.73NoNo 57.33* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC15.7115.7115.718.358.12108.71* Copied from legacy *
CRUISER/RACER REQUIREMENTS*
Accommodation length12.2 mTable area0.55 m²Headroom1.82 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity155 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity94 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.