Club Certificate2025
La Monde MiaFIN-3213
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 Angles43.4°43.4°41.2°39.5°38.2°38.0°38.0°39.5°40.8°
Beat VMG2.273.143.824.304.544.624.654.604.44
52°3.564.795.666.176.426.516.566.586.50
60°3.795.045.886.346.586.706.756.806.78
75°3.935.206.036.476.756.957.077.197.24
90°3.785.096.016.536.797.047.277.557.71
110°3.725.106.106.657.027.327.557.888.18
120°3.554.915.956.576.997.367.718.338.87
135°3.124.405.486.266.757.167.568.4810.34
150°2.593.764.825.716.366.797.177.979.10
Run VMG2.243.254.184.975.656.196.617.328.06
Gybe Angles146.6°146.6°150.6°154.1°161.0°167.5°175.4°176.8°168.3°
APH ToD:614.9CDL: 7.476APH ToT: 0.9758CertNo:
BOAT
ClassGuy 90SDesignerG-C LönngrenBuilderCarl-Johan GestranAge dateSeries date01/1983Offset fileFIN3213.offData fileFIN3213
HULL
Length Overall9.120 mMaximum Beam2.850 mDraft1.684 mDisplacement2,727 kgDLR6.2402IMS DivisionCruiser/RacerDynamic Allowance0.280%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 3 bladesDiameter0.250m
CREW
Maximum weight360 kg(declared)Minimum weight230 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.8721.35Headsail Luffed22.3322.33Headsail FlyingSymmetric52.5352.52Asymmetric
STORM SAIL AREAS (m²)
Trysail5.95Storm Jib6.28Heavy Weather Jib16.94
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
hull modded from guyline 95
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
La Monde MiaFIN-3213
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 VMG1583.01146.5942.1838.0792.4779.1774.7782.0810.7
52°1012.5751.8636.5583.7561.0552.6549.1547.4553.5
60°950.3713.8612.7568.2547.0537.0533.0529.5531.3
75°916.6691.8597.3556.1533.2518.3509.3500.8497.4
90°951.4706.9599.2551.5530.4511.1495.5476.7466.8
110°966.7706.1589.8541.3512.8491.8476.9456.9440.3
120°1013.3733.4605.4547.9515.4489.1467.0432.0406.1
135°1153.3817.5656.9574.7533.4503.0476.3424.6348.3
150°1389.0957.9746.4630.3566.0530.0501.8451.9395.4
Run VMG1604.61106.1861.5724.2637.0581.5544.7492.1446.8
Selected Courses
Windward / Leeward1592.21126.3901.8781.1714.7680.3659.7637.1628.7
All purpose1205.9869.5712.1633.3592.1569.1553.7533.4519.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward751.00.7989
All purpose614.90.9758
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6937
Downwind "popa"0.8490
70% up, 30% down "Ilhabela"0.7339
30% up, 70% down "Ilhabela-inverso"0.7955
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Predominantly Upwind665.70.9013
Predominantly Downwind622.60.9638
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low790.80.7587
Triple Number AP Medium610.20.9833
Triple Number AP High550.01.0910
Triple Number Windward/Leeward Low1060.00.5660
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Single Number Predominant Upwind693.70.8650
Single Number Predominant Reaching614.10.9770
Single Number Predominant Downwind650.90.9219
Predominant Upwind - Low952.90.6297
Predominant Upwind - Low/Med727.50.8247
Predominant Upwind - Medium643.90.9319
Predominant Upwind - Med/High607.30.9880
Predominant Upwind - High595.41.0077
Predominant Downwind Low961.30.6241
Predominant Downwind Low/Med706.40.8494
Predominant Downwind Medium600.10.9998
Predominant Downwind Med/High535.61.1203
Predominant Downwind High495.81.2103
Predominant Reaching Low854.60.7021
Predominant Reaching Low/Med651.40.9210
Predominant Reaching Medium573.41.0465
Predominant Reaching Med/High528.11.1362
Predominant Reaching High500.51.1987
SA/DSPL Upwind22.06SA/DSPL Downwind37.48
Scoring OptionTODTOT
5-Band Windward/Leeward Low1187.10.5054
5-Band Windward/Leeward Low/Med864.70.6939
5-Band Windward/Leeward Medium731.00.8208
5-Band Windward/Leeward Med/High664.00.9036
5-Band Windward/Leeward High639.50.9382
Windward/Leeward 60-40 Low1190.60.5040
Windward/Leeward 60-40 Low/Med874.40.6861
Windward/Leeward 60-40 Medium746.60.8037
Windward/Leeward 60-40 Med/High686.80.8736
Windward/Leeward 60-40 High668.80.8972
5-Band AP Low876.30.6847
5-Band AP Low/Med689.80.8698
5-Band AP Medium601.90.9969
5-Band AP Med/High556.11.0789
5-Band AP High534.41.1227
5-Band SF Bay Tour - Low1022.40.5869
5-Band SF Bay Tour - Low/Med828.30.7244
5-Band SF Bay Tour - Medium708.10.8473
5-Band SF Bay Tour - Med/High649.70.9235
5-Band SF Bay Tour - High627.00.9569
Chicago-Mac Upwind0.8401
Chicago-Mac All Purpose0.8666
Chicago-Mac Downwind0.8882
Bayview-Mac Cove Island0.6329
Bayview-Mac Shore0.6375
Harvest Moon Regatta534.21.1231
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance667.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating667.40.8989
FinRating, kevyt tuuli1167.50.8565
FinRating, kova tuuli537.60.9301
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8990
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9835
Triple Number Coastal/Long Distance High1.0910
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High0.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
For information
General Purpose Handicap (GPH)690.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low790.8
Triple Number Coastal/Long Distance Medium610.1
Triple Number Coastal/Long Distance High550.0
Triple Number Windward/Leeward Low1014.0
Triple Number Windward/Leeward Medium743.8
Triple Number Windward/Leeward High656.4
Predominantly Upwind665.7
Predominantly Downwind622.6
Predominantly Reaching599.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9835
Triple Number Coastal/Long Distance High1.0910
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High0.9141
Coastal/Long Distance0.8990
Predominantly Upwind0.9013
Predominantly Downwind0.9638
For information
General Purpose Handicap (GPH)690.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9758
Distanseseilas Trippeltall svak vind0.7587
Distanseseilas Trippeltall mellomvind0.9835
Distanseseilas Trippeltall sterk vind1.0910
Pølsebane Trippeltall svak vind0.5917
Pølsebane Trippeltall mellomvind0.8067
Pølsebane Trippeltall sterk vind0.9141
Motvind Singeltall0.9013
Medvind Singeltall0.9638
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Coastal/Long Distance667.40.8990
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind665.70.9013
Predominantly Downwind622.60.9638
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore631.20.9505
Cape Doctor Coastal523.31.1465
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9835
Triple Number Coastal/Long Distance High1.0910
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High0.9141
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9835
Triple Number Coastal/Long Distance High1.0910
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High0.9141
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Predominantly Upwind665.70.9013
Predominantly Downwind622.60.9638
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.40.8990
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.10.9835
Triple Number Coastal/Long Distance High550.01.0910
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1689.71124.3849.7708.5630.6590.4559.0508.3493.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low790.80.7587
Triple Number AP Medium610.20.9833
Triple Number AP High550.01.0910
Triple Number Windward/Leeward Low1060.00.5660
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High656.40.9141
Single Number Predominant Upwind693.70.8650
Single Number Predominant Reaching614.10.9770
Single Number Predominant Downwind650.90.9219
Predominant Upwind - Low952.90.6297
Predominant Upwind - Low/Med727.50.8247
Predominant Upwind - Medium643.90.9319
Predominant Upwind - Med/High607.30.9880
Predominant Upwind - High595.41.0077
Predominant Downwind Low961.30.6241
Predominant Downwind Low/Med706.40.8494
Predominant Downwind Medium600.10.9998
Predominant Downwind Med/High535.61.1203
Predominant Downwind High495.81.2103
Predominant Reaching Low854.60.7021
Predominant Reaching Low/Med651.40.9210
Predominant Reaching Medium573.41.0465
Predominant Reaching Med/High528.11.1362
Predominant Reaching High500.51.1987
SA/DSPL Upwind22.06SA/DSPL Downwind37.48
Scoring OptionTODTOT
5-Band Windward/Leeward Low1187.10.5054
5-Band Windward/Leeward Low/Med864.70.6939
5-Band Windward/Leeward Medium731.00.8208
5-Band Windward/Leeward Med/High664.00.9036
5-Band Windward/Leeward High639.50.9382
Windward/Leeward 60-40 Low1190.60.5040
Windward/Leeward 60-40 Low/Med874.40.6861
Windward/Leeward 60-40 Medium746.60.8037
Windward/Leeward 60-40 Med/High686.80.8736
Windward/Leeward 60-40 High668.80.8972
5-Band AP Low876.30.6847
5-Band AP Low/Med689.80.8698
5-Band AP Medium601.90.9969
5-Band AP Med/High556.11.0789
5-Band AP High534.41.1227
5-Band SF Bay Tour - Low1022.40.5869
5-Band SF Bay Tour - Low/Med828.30.7244
5-Band SF Bay Tour - Medium708.10.8473
5-Band SF Bay Tour - Med/High649.70.9235
5-Band SF Bay Tour - High627.00.9569
Chicago-Mac Upwind0.8401
Chicago-Mac All Purpose0.8666
Chicago-Mac Downwind0.8882
Bayview-Mac Cove Island0.6329
Bayview-Mac Shore0.6375
Harvest Moon Regatta534.21.1231
Club Certificate2025
La Monde MiaFIN-3213
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGuy 90SMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.120Max. Beam2.850Draft1.684Displacement2,727Wetted area16.62IMS L7.849LSM07.588Acc. length9.120Sink (kg/mm) 12.43
VCGD-0.126VCGM-0.029RM Rated (kg·m) 55.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight464Declared crew weight360
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.250PBW0.080PIPA0.0007
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P10.000IG11.200ISP11.200MDT10.100MDL10.110MDT2MDL2TLMWGO
E3.400J3.000BAS1.500FSDSFJ0.500SPL2.980WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date19/03/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
La Monde MiaFIN-3213
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment120.87
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment14.509.75NoNo 22.33
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment19.559.559.556.9052.53
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.