Club Certificate2025
KaylaniCRO 2957
Hrvatski jedriličarski savez
Osječka 11
21000 Split
CROATIA
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 Angles46.3°46.3°44.6°43.3°42.2°41.1°40.1°40.6°42.1°
Beat VMG2.102.973.704.264.705.085.325.445.32
52°3.364.675.716.467.037.427.687.867.84
60°3.655.016.066.797.307.657.898.138.15
75°3.855.256.307.047.537.848.098.478.67
90°4.045.576.777.568.018.308.468.718.97
110°4.135.726.967.728.178.568.929.509.87
120°4.025.576.797.598.088.488.879.6610.52
135°3.544.986.207.147.758.178.569.3410.28
150°2.914.195.356.327.107.648.028.659.30
Run VMG2.523.634.635.476.156.657.077.738.27
Gybe Angles143.0°143.0°146.9°148.5°149.9°153.1°158.1°163.3°162.8°
APH ToD:561.8CDL: 9.406APH ToT: 1.0680CertNo:112/25
BOAT
ClassDufour 41DesignerFelciBuilderDufourAge date01/2024Series date12/2022Offset fileDUF41CL.offData fileCRO2957
HULL
Length Overall12.000 mMaximum Beam4.300 mDraft2.098 mDisplacement9,693 kgDLR7.3372IMS DivisionCruiser/RacerDynamic Allowance0.420%Age Allowance0.098%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.480m
CREW
Maximum weight786 kg(default)Minimum weight656 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0634.93Headsail Luffed39.5739.57Headsail FlyingSymmetricAsymmetric123.40123.40 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.78Storm Jib14.83Heavy Weather Jib40.03
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
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
KaylaniCRO 2957
Hrvatski jedriličarski savez
Osječka 11
21000 Split
CROATIA
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 VMG1714.41212.2972.0845.8765.4708.7676.4662.3676.4
52°1072.1771.3630.0556.9512.4485.1468.9458.1459.2
60°986.4718.6594.5529.9492.9470.8456.4443.0442.0
75°935.0686.0571.5511.2478.0459.0445.1424.8415.4
90°891.3645.8531.8476.3449.3433.7425.5413.2401.4
110°872.1629.2517.3466.4440.4420.6403.6379.0364.7
120°895.0646.0530.1474.0445.6424.6406.0372.7342.2
135°1016.6722.4580.8504.4464.5440.5420.7385.5350.1
150°1238.2858.8673.2570.0507.3471.2449.0416.0386.9
Run VMG1429.7991.6777.4658.2585.8541.5509.3465.7435.2
Selected Courses
Windward / Leeward1571.81101.9874.7752.0675.6625.1592.8564.0555.8
All purpose1177.7836.9674.3589.0539.0506.7485.4462.5451.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward708.10.8473
All purpose561.81.0680
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7189
Downwind "popa"0.9273
70% up, 30% down "Ilhabela"0.7708
30% up, 70% down "Ilhabela-inverso"0.8531
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Predominantly Upwind618.90.9694
Predominantly Downwind564.41.0631
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low755.60.7941
Triple Number AP Medium559.01.0734
Triple Number AP High482.11.2445
Triple Number Windward/Leeward Low1034.40.5800
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Single Number Predominant Upwind648.40.9254
Single Number Predominant Reaching553.11.0848
Single Number Predominant Downwind590.51.0161
Predominant Upwind - Low953.90.6290
Predominant Upwind - Low/Med702.90.8536
Predominant Upwind - Medium595.01.0084
Predominant Upwind - Med/High532.31.1271
Predominant Upwind - High511.81.1724
Predominant Downwind Low887.00.6764
Predominant Downwind Low/Med644.90.9304
Predominant Downwind Medium540.91.1092
Predominant Downwind Med/High478.91.2530
Predominant Downwind High446.81.3430
Predominant Reaching Low802.90.7473
Predominant Reaching Low/Med595.61.0074
Predominant Reaching Medium509.91.1767
Predominant Reaching Med/High461.51.3000
Predominant Reaching High438.61.3680
SA/DSPL Upwind16.29SA/DSPL Downwind34.59
Scoring OptionTODTOT
5-Band Windward/Leeward Low1162.60.5161
5-Band Windward/Leeward Low/Med835.50.7181
5-Band Windward/Leeward Medium689.50.8702
5-Band Windward/Leeward Med/High600.40.9993
5-Band Windward/Leeward High567.61.0572
Windward/Leeward 60-40 Low1185.60.5061
Windward/Leeward 60-40 Low/Med854.90.7019
Windward/Leeward 60-40 Medium707.40.8482
Windward/Leeward 60-40 Med/High617.70.9713
Windward/Leeward 60-40 High587.51.0213
5-Band AP Low829.80.7231
5-Band AP Low/Med648.20.9256
5-Band AP Medium548.71.0935
5-Band AP Med/High489.61.2254
5-Band AP High464.51.2917
5-Band SF Bay Tour - Low1001.90.5989
5-Band SF Bay Tour - Low/Med800.40.7497
5-Band SF Bay Tour - Medium664.20.9033
5-Band SF Bay Tour - Med/High581.81.0313
5-Band SF Bay Tour - High551.61.0878
Chicago-Mac Upwind0.8872
Chicago-Mac All Purpose0.9346
Chicago-Mac Downwind0.9762
Bayview-Mac Cove Island0.6606
Bayview-Mac Shore0.6645
Harvest Moon Regatta475.21.2626
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance616.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating610.40.9829
FinRating, kevyt tuuli1135.20.8809
FinRating, kova tuuli467.61.0692
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9738
Triple Number Coastal/Long Distance Low0.7941
Triple Number Coastal/Long Distance Medium1.0736
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6071
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High1.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
For information
General Purpose Handicap (GPH)637.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low755.6
Triple Number Coastal/Long Distance Medium558.9
Triple Number Coastal/Long Distance High482.1
Triple Number Windward/Leeward Low988.3
Triple Number Windward/Leeward Medium705.1
Triple Number Windward/Leeward High590.1
Predominantly Upwind618.9
Predominantly Downwind564.4
Predominantly Reaching537.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7941
Triple Number Coastal/Long Distance Medium1.0736
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6071
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High1.0168
Coastal/Long Distance0.9738
Predominantly Upwind0.9694
Predominantly Downwind1.0631
For information
General Purpose Handicap (GPH)637.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0680
Distanseseilas Trippeltall svak vind0.7941
Distanseseilas Trippeltall mellomvind1.0736
Distanseseilas Trippeltall sterk vind1.2445
Pølsebane Trippeltall svak vind0.6071
Pølsebane Trippeltall mellomvind0.8510
Pølsebane Trippeltall sterk vind1.0168
Motvind Singeltall0.9694
Medvind Singeltall1.0631
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Coastal/Long Distance616.20.9738
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind618.90.9694
Predominantly Downwind564.41.0631
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore558.21.0748
Cape Doctor Coastal454.71.3195
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7941
Triple Number Coastal/Long Distance Medium1.0736
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6071
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High1.0168
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7941
Triple Number Coastal/Long Distance Medium1.0736
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6071
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High1.0168
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Predominantly Upwind618.90.9694
Predominantly Downwind564.41.0631
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance616.20.9738
Triple Number Coastal/Long Distance Low755.60.7941
Triple Number Coastal/Long Distance Medium558.91.0736
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low988.30.6071
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1655.31090.9816.2670.1579.3526.4489.8441.0426.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low755.60.7941
Triple Number AP Medium559.01.0734
Triple Number AP High482.11.2445
Triple Number Windward/Leeward Low1034.40.5800
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High590.11.0168
Single Number Predominant Upwind648.40.9254
Single Number Predominant Reaching553.11.0848
Single Number Predominant Downwind590.51.0161
Predominant Upwind - Low953.90.6290
Predominant Upwind - Low/Med702.90.8536
Predominant Upwind - Medium595.01.0084
Predominant Upwind - Med/High532.31.1271
Predominant Upwind - High511.81.1724
Predominant Downwind Low887.00.6764
Predominant Downwind Low/Med644.90.9304
Predominant Downwind Medium540.91.1092
Predominant Downwind Med/High478.91.2530
Predominant Downwind High446.81.3430
Predominant Reaching Low802.90.7473
Predominant Reaching Low/Med595.61.0074
Predominant Reaching Medium509.91.1767
Predominant Reaching Med/High461.51.3000
Predominant Reaching High438.61.3680
SA/DSPL Upwind16.29SA/DSPL Downwind34.59
Scoring OptionTODTOT
5-Band Windward/Leeward Low1162.60.5161
5-Band Windward/Leeward Low/Med835.50.7181
5-Band Windward/Leeward Medium689.50.8702
5-Band Windward/Leeward Med/High600.40.9993
5-Band Windward/Leeward High567.61.0572
Windward/Leeward 60-40 Low1185.60.5061
Windward/Leeward 60-40 Low/Med854.90.7019
Windward/Leeward 60-40 Medium707.40.8482
Windward/Leeward 60-40 Med/High617.70.9713
Windward/Leeward 60-40 High587.51.0213
5-Band AP Low829.80.7231
5-Band AP Low/Med648.20.9256
5-Band AP Medium548.71.0935
5-Band AP Med/High489.61.2254
5-Band AP High464.51.2917
5-Band SF Bay Tour - Low1001.90.5989
5-Band SF Bay Tour - Low/Med800.40.7497
5-Band SF Bay Tour - Medium664.20.9033
5-Band SF Bay Tour - Med/High581.81.0313
5-Band SF Bay Tour - High551.61.0878
Chicago-Mac Upwind0.8872
Chicago-Mac All Purpose0.9346
Chicago-Mac Downwind0.9762
Bayview-Mac Cove Island0.6606
Bayview-Mac Shore0.6645
Harvest Moon Regatta475.21.2626
Club Certificate2025
KaylaniCRO 2957
Hrvatski jedriličarski savez
Osječka 11
21000 Split
CROATIA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 41Measurement26/04/2024HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.000Max. Beam4.300Draft2.098Displacement9,693Wetted area36.44IMS L11.198LSM010.972Acc. length12.000Sink (kg/mm) 28.16
VCGD0.226VCGM0.239RM Rated (kg·m) 278.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight786Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.480PBWPIPA0.0009
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerIn mastArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P15.700IG16.300ISP17.000MDT10.240MDL10.160MDT20.240MDL20.160TLNo TaperMWGO0.240
E4.650J4.500BAS1.590FSDSFJ0.000SPLWPL0.000TPS5.250BD0.220MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date26/04/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
KaylaniCRO 2957
Hrvatski jedriličarski savez
Osječka 11
21000 Split
CROATIA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.050.511.042.173.3935.0609/04/2025Furling
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.060.581.122.343.725.1516.10NoNo 39.5716/04/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment118.4015.5016.958.908.08110%123.4016/04/2024
CRUISER/RACER REQUIREMENTS*
Accommodation length12.0 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity150 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity90 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.