Club Certificate2025
GITTAP 245
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
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 Angles43.4°43.4°40.0°38.5°37.7°37.5°37.4°37.7°39.3°
Beat VMG2.863.854.514.774.914.965.015.044.94
52°4.575.856.496.726.836.886.957.027.02
60°4.866.116.666.887.007.077.147.247.27
75°5.056.296.797.077.237.357.477.667.78
90°4.956.226.807.147.407.637.828.198.50
110°4.555.956.787.197.497.768.038.609.22
120°4.415.836.737.217.638.088.509.3810.47
135°3.795.246.356.997.478.008.7111.0212.78
150°3.084.385.526.437.047.508.019.7813.06
Run VMG2.663.794.785.596.286.797.218.4711.31
Gybe Angles138.7°138.7°149.4°153.2°161.1°168.1°169.4°144.3°147.0°
APH ToD:556.9CDL: 8.218APH ToT: 1.0774CertNo:142739
BOAT
Class45M2 NATIONALERDesignerKLAUS RÖDERBuilderGLASAge date01/2013Series date01/2013Offset fileCL45er_P247.offData fileP245
HULL
Length Overall10.500 mMaximum Beam2.404 mDraft1.196 mDisplacement2,595 kgDLR6.4390IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.390%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.290m
CREW
Maximum weight480 kg(declared)Minimum weight350 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail29.0529.49Headsail Luffed36.7636.76Headsail FlyingSymmetric91.1791.17Asymmetric
STORM SAIL AREAS (m²)
Trysail8.62Storm Jib7.86Heavy Weather Jib21.23
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
KRÄUTLER E-MOTOR
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
GITTAP 245
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
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 VMG1260.1936.2799.0754.4733.8726.1718.2713.7728.7
52°788.5615.8554.5536.0527.3522.9518.3513.0513.1
60°740.4588.9540.3523.0514.5509.3504.1497.4495.4
75°713.4572.8529.9509.5497.7489.7482.2469.7462.8
90°726.6578.5529.6504.5486.6472.1460.3439.5423.6
110°791.5605.1530.7500.6480.7464.2448.3418.5390.4
120°816.1617.5535.0499.1471.6445.3423.6383.8343.8
135°951.0687.4567.4515.2481.7449.8413.4326.7281.6
150°1170.6821.9652.3560.2511.5480.0449.6368.2275.6
Run VMG1353.1949.0753.2644.4573.4530.2499.3425.1318.2
Selected Courses
Windward / Leeward1305.3942.6776.1699.4653.6628.2608.7569.4523.4
All purpose970.9725.3619.4573.0545.4527.4511.1477.5449.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward675.70.8880
All purpose556.91.0774
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7805
Downwind "popa"0.9601
70% up, 30% down "Ilhabela"0.8269
30% up, 70% down "Ilhabela-inverso"0.8981
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Predominantly Upwind601.40.9977
Predominantly Downwind556.21.0787
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low672.40.8923
Triple Number AP Medium556.31.0786
Triple Number AP High502.61.1938
Triple Number Windward/Leeward Low896.40.6693
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Single Number Predominant Upwind618.60.9699
Single Number Predominant Reaching544.71.1014
Single Number Predominant Downwind574.21.0449
Predominant Upwind - Low783.50.7658
Predominant Upwind - Low/Med638.60.9396
Predominant Upwind - Medium590.31.0165
Predominant Upwind - Med/High561.11.0694
Predominant Upwind - High540.61.1100
Predominant Downwind Low806.20.7442
Predominant Downwind Low/Med620.40.9671
Predominant Downwind Medium542.91.1052
Predominant Downwind Med/High482.91.2426
Predominant Downwind High427.71.4028
Predominant Reaching Low706.30.8494
Predominant Reaching Low/Med573.71.0458
Predominant Reaching Medium522.51.1484
Predominant Reaching Med/High481.01.2473
Predominant Reaching High444.31.3506
SA/DSPL Upwind34.74SA/DSPL Downwind63.46
Scoring OptionTODTOT
5-Band Windward/Leeward Low992.00.6049
5-Band Windward/Leeward Low/Med755.50.7942
5-Band Windward/Leeward Medium663.50.9043
5-Band Windward/Leeward Med/High609.10.9850
5-Band Windward/Leeward High568.31.0558
Windward/Leeward 60-40 Low990.10.6060
Windward/Leeward 60-40 Low/Med763.20.7862
Windward/Leeward 60-40 Medium678.80.8839
Windward/Leeward 60-40 Med/High631.30.9504
Windward/Leeward 60-40 High598.01.0033
5-Band AP Low731.30.8205
5-Band AP Low/Med607.70.9873
5-Band AP Medium550.31.0904
5-Band AP Med/High511.11.1740
5-Band AP High478.41.2542
5-Band SF Bay Tour - Low857.90.6994
5-Band SF Bay Tour - Low/Med723.80.8290
5-Band SF Bay Tour - Medium643.30.9327
5-Band SF Bay Tour - Med/High594.01.0101
5-Band SF Bay Tour - High555.41.0802
Chicago-Mac Upwind0.9471
Chicago-Mac All Purpose0.9798
Chicago-Mac Downwind1.0079
Bayview-Mac Cove Island0.7486
Bayview-Mac Shore0.7549
Harvest Moon Regatta484.41.2386
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance602.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating602.10.9966
FinRating, kevyt tuuli971.81.0290
FinRating, kova tuuli478.71.0444
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9966
Triple Number Coastal/Long Distance Low0.8923
Triple Number Coastal/Long Distance Medium1.0787
Triple Number Coastal/Long Distance High1.1938
Triple Number Windward/Leeward Low0.6982
Triple Number Windward/Leeward Medium0.8919
Triple Number Windward/Leeward High1.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
For information
General Purpose Handicap (GPH)615.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low672.4
Triple Number Coastal/Long Distance Medium556.2
Triple Number Coastal/Long Distance High502.6
Triple Number Windward/Leeward Low859.4
Triple Number Windward/Leeward Medium672.7
Triple Number Windward/Leeward High598.9
Predominantly Upwind601.4
Predominantly Downwind556.2
Predominantly Reaching537.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8923
Triple Number Coastal/Long Distance Medium1.0787
Triple Number Coastal/Long Distance High1.1938
Triple Number Windward/Leeward Low0.6982
Triple Number Windward/Leeward Medium0.8919
Triple Number Windward/Leeward High1.0019
Coastal/Long Distance0.9966
Predominantly Upwind0.9977
Predominantly Downwind1.0787
For information
General Purpose Handicap (GPH)615.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0774
Distanseseilas Trippeltall svak vind0.8923
Distanseseilas Trippeltall mellomvind1.0787
Distanseseilas Trippeltall sterk vind1.1938
Pølsebane Trippeltall svak vind0.6982
Pølsebane Trippeltall mellomvind0.8919
Pølsebane Trippeltall sterk vind1.0019
Motvind Singeltall0.9977
Medvind Singeltall1.0787
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Coastal/Long Distance602.10.9966
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind601.40.9977
Predominantly Downwind556.21.0787
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore537.21.1168
Cape Doctor Coastal457.61.3113
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8923
Triple Number Coastal/Long Distance Medium1.0787
Triple Number Coastal/Long Distance High1.1938
Triple Number Windward/Leeward Low0.6982
Triple Number Windward/Leeward Medium0.8919
Triple Number Windward/Leeward High1.0019
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8923
Triple Number Coastal/Long Distance Medium1.0787
Triple Number Coastal/Long Distance High1.1938
Triple Number Windward/Leeward Low0.6982
Triple Number Windward/Leeward Medium0.8919
Triple Number Windward/Leeward High1.0019
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Predominantly Upwind601.40.9977
Predominantly Downwind556.21.0787
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.10.9966
Triple Number Coastal/Long Distance Low672.40.8923
Triple Number Coastal/Long Distance Medium556.21.0787
Triple Number Coastal/Long Distance High502.61.1938
Triple Number Windward/Leeward Low859.40.6982
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1384.8943.2733.7637.3579.4545.9515.6458.9426.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low672.40.8923
Triple Number AP Medium556.31.0786
Triple Number AP High502.61.1938
Triple Number Windward/Leeward Low896.40.6693
Triple Number Windward/Leeward Medium672.70.8919
Triple Number Windward/Leeward High598.91.0019
Single Number Predominant Upwind618.60.9699
Single Number Predominant Reaching544.71.1014
Single Number Predominant Downwind574.21.0449
Predominant Upwind - Low783.50.7658
Predominant Upwind - Low/Med638.60.9396
Predominant Upwind - Medium590.31.0165
Predominant Upwind - Med/High561.11.0694
Predominant Upwind - High540.61.1100
Predominant Downwind Low806.20.7442
Predominant Downwind Low/Med620.40.9671
Predominant Downwind Medium542.91.1052
Predominant Downwind Med/High482.91.2426
Predominant Downwind High427.71.4028
Predominant Reaching Low706.30.8494
Predominant Reaching Low/Med573.71.0458
Predominant Reaching Medium522.51.1484
Predominant Reaching Med/High481.01.2473
Predominant Reaching High444.31.3506
SA/DSPL Upwind34.74SA/DSPL Downwind63.46
Scoring OptionTODTOT
5-Band Windward/Leeward Low992.00.6049
5-Band Windward/Leeward Low/Med755.50.7942
5-Band Windward/Leeward Medium663.50.9043
5-Band Windward/Leeward Med/High609.10.9850
5-Band Windward/Leeward High568.31.0558
Windward/Leeward 60-40 Low990.10.6060
Windward/Leeward 60-40 Low/Med763.20.7862
Windward/Leeward 60-40 Medium678.80.8839
Windward/Leeward 60-40 Med/High631.30.9504
Windward/Leeward 60-40 High598.01.0033
5-Band AP Low731.30.8205
5-Band AP Low/Med607.70.9873
5-Band AP Medium550.31.0904
5-Band AP Med/High511.11.1740
5-Band AP High478.41.2542
5-Band SF Bay Tour - Low857.90.6994
5-Band SF Bay Tour - Low/Med723.80.8290
5-Band SF Bay Tour - Medium643.30.9327
5-Band SF Bay Tour - Med/High594.01.0101
5-Band SF Bay Tour - High555.41.0802
Chicago-Mac Upwind0.9471
Chicago-Mac All Purpose0.9798
Chicago-Mac Downwind1.0079
Bayview-Mac Cove Island0.7486
Bayview-Mac Shore0.7549
Harvest Moon Regatta484.41.2386
Club Certificate2025
GITTAP 245
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
Class45M2 NATIONALERMeasurement05/09/2024HINDE-GLMGL272C213Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.500Max. Beam2.404Draft1.196Displacement2,595Wetted area16.69IMS L8.152LSM07.386Acc. length7.813Sink (kg/mm) 12.46
VCGD-0.176VCGM-0.200RM Rated (kg·m) 61.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight447Declared crew weight480
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.290PBWPIPA0.0003
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1Checkstays1Spreaders2Rotating mastNo
P12.655IG12.538ISP12.600MDT10.090MDL10.130MDT2MDL2TLTaperMWGO
E3.890J3.130BAS1.531FSD0.030SFJ1.200SPL3.130WPLTPSBD0.110MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date26/04/2022
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
GITTAP 245
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1804050.200.891.512.493.1229.0528/08/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1804040.040.671.372.874.446.0312.53NoNo 36.7628/08/2025Genua 1
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment18040713.6013.6013.608.107.8291.1728/08/2025Runner
CRUISER/RACER REQUIREMENTS*
Accommodation length7.8 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity18 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.