Non Spin/HSFClub 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°41.0°40.1°40.7°42.2°
Beat VMG2.102.973.704.264.715.085.325.435.32
52°3.364.675.726.477.037.427.687.867.84
60°3.655.016.066.807.307.657.898.128.14
75°3.855.256.307.047.537.848.098.478.66
90°3.765.156.227.017.527.868.128.578.97
110°3.184.525.686.607.297.758.088.659.20
120°2.974.275.436.357.097.617.978.559.12
135°2.553.754.875.816.607.237.688.288.82
150°2.213.194.115.005.776.457.027.838.38
Run VMG1.852.763.664.525.326.046.687.648.24
Gybe Angles143.7°143.7°174.4°175.7°176.6°177.5°178.1°179.3°179.3°
APH ToD:607.4CDL: 9.405APH ToT: 0.9878CertNo: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 Allowance0.410%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail12.78Storm Jib14.83Heavy Weather Jib40.03
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
TPS = 5.25
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.
Non Spin/HSFClub 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 VMG1713.61211.8971.8845.5765.1708.5676.4662.7676.9
52°1071.7771.0629.8556.7512.3485.0468.9458.2459.4
60°986.0718.4594.3529.7492.8470.7456.4443.1442.1
75°934.6685.8571.3511.1478.4459.0445.0424.8415.5
90°957.1699.3579.0513.9478.7457.9443.3419.9401.3
110°1131.8795.9633.6545.7493.8464.4445.4416.1391.2
120°1211.8842.4663.1566.5507.7473.2451.9421.1394.7
135°1410.0959.5739.1619.5545.6497.8468.7434.5408.2
150°1629.91129.0876.9719.8623.5558.5512.7459.6429.5
Run VMG1942.81303.6984.5795.7676.7596.5539.2471.1437.1
Selected Courses
Windward / Leeward1826.61257.7978.1820.6720.9652.5607.8566.9557.0
All purpose1352.1949.6754.0645.4578.9535.4507.5478.9466.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward760.70.7887
All purpose607.40.9878
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7190
Downwind "popa"0.7825
70% up, 30% down "Ilhabela"0.7369
30% up, 70% down "Ilhabela-inverso"0.7623
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Predominantly Upwind645.30.9298
Predominantly Downwind638.10.9403
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low851.80.7044
Triple Number AP Medium604.90.9920
Triple Number AP High503.71.1911
Triple Number Windward/Leeward Low1173.20.5114
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Single Number Predominant Upwind675.60.8881
Single Number Predominant Reaching606.70.9890
Single Number Predominant Downwind674.10.8900
Predominant Upwind - Low1017.00.5900
Predominant Upwind - Low/Med739.30.8116
Predominant Upwind - Medium616.70.9728
Predominant Upwind - Med/High543.61.1037
Predominant Upwind - High519.31.1554
Predominant Downwind Low1090.00.5505
Predominant Downwind Low/Med757.80.7918
Predominant Downwind Medium606.00.9901
Predominant Downwind Med/High510.71.1748
Predominant Downwind High468.01.2821
Predominant Reaching Low922.40.6505
Predominant Reaching Low/Med666.10.9007
Predominant Reaching Medium553.51.0841
Predominant Reaching Med/High485.91.2347
Predominant Reaching High456.31.3148
SA/DSPL Upwind16.29SA/DSPL Downwind16.29
Scoring OptionTODTOT
5-Band Windward/Leeward Low1330.40.4510
5-Band Windward/Leeward Low/Med925.80.6481
5-Band Windward/Leeward Medium738.00.8130
5-Band Windward/Leeward Med/High618.00.9708
5-Band Windward/Leeward High572.31.0485
Windward/Leeward 60-40 Low1319.80.4546
Windward/Leeward 60-40 Low/Med927.10.6472
Windward/Leeward 60-40 Medium746.20.8041
Windward/Leeward 60-40 Med/High631.80.9496
Windward/Leeward 60-40 High591.31.0147
5-Band AP Low963.00.6231
5-Band AP Low/Med718.70.8349
5-Band AP Medium591.31.0147
5-Band AP Med/High513.41.1687
5-Band AP High481.71.2455
5-Band SF Bay Tour - Low1130.10.5309
5-Band SF Bay Tour - Low/Med883.30.6793
5-Band SF Bay Tour - Medium711.80.8430
5-Band SF Bay Tour - Med/High603.90.9936
5-Band SF Bay Tour - High564.21.0634
Chicago-Mac Upwind0.8489
Chicago-Mac All Purpose0.8536
Chicago-Mac Downwind0.8468
Bayview-Mac Cove Island0.5838
Bayview-Mac Shore0.5907
Harvest Moon Regatta515.91.1630
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance669.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating669.40.8964
FinRating, kevyt tuuli1309.50.7636
FinRating, kova tuuli486.91.0270
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8964
Triple Number Coastal/Long Distance Low0.7044
Triple Number Coastal/Long Distance Medium0.9921
Triple Number Coastal/Long Distance High1.1911
Triple Number Windward/Leeward Low0.5367
Triple Number Windward/Leeward Medium0.7911
Triple Number Windward/Leeward High0.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
For information
General Purpose Handicap (GPH)695.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low851.8
Triple Number Coastal/Long Distance Medium604.8
Triple Number Coastal/Long Distance High503.7
Triple Number Windward/Leeward Low1117.9
Triple Number Windward/Leeward Medium758.4
Triple Number Windward/Leeward High603.6
Predominantly Upwind645.3
Predominantly Downwind638.1
Predominantly Reaching597.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7044
Triple Number Coastal/Long Distance Medium0.9921
Triple Number Coastal/Long Distance High1.1911
Triple Number Windward/Leeward Low0.5367
Triple Number Windward/Leeward Medium0.7911
Triple Number Windward/Leeward High0.9940
Coastal/Long Distance0.8964
Predominantly Upwind0.9298
Predominantly Downwind0.9403
For information
General Purpose Handicap (GPH)695.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9878
Distanseseilas Trippeltall svak vind0.7044
Distanseseilas Trippeltall mellomvind0.9921
Distanseseilas Trippeltall sterk vind1.1911
Pølsebane Trippeltall svak vind0.5367
Pølsebane Trippeltall mellomvind0.7911
Pølsebane Trippeltall sterk vind0.9940
Motvind Singeltall0.9298
Medvind Singeltall0.9403
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Coastal/Long Distance669.40.8964
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind645.30.9298
Predominantly Downwind638.10.9403
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore560.01.0715
Cape Doctor Coastal470.41.2756
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7044
Triple Number Coastal/Long Distance Medium0.9921
Triple Number Coastal/Long Distance High1.1911
Triple Number Windward/Leeward Low0.5367
Triple Number Windward/Leeward Medium0.7911
Triple Number Windward/Leeward High0.9940
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7044
Triple Number Coastal/Long Distance Medium0.9921
Triple Number Coastal/Long Distance High1.1911
Triple Number Windward/Leeward Low0.5367
Triple Number Windward/Leeward Medium0.7911
Triple Number Windward/Leeward High0.9940
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Predominantly Upwind645.30.9298
Predominantly Downwind638.10.9403
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low851.80.7044
Triple Number Coastal/Long Distance Medium604.80.9921
Triple Number Coastal/Long Distance High503.71.1911
Triple Number Windward/Leeward Low1117.90.5367
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1974.41262.3918.2734.9622.5557.9514.3459.4443.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low851.80.7044
Triple Number AP Medium604.90.9920
Triple Number AP High503.71.1911
Triple Number Windward/Leeward Low1173.20.5114
Triple Number Windward/Leeward Medium758.40.7911
Triple Number Windward/Leeward High603.60.9940
Single Number Predominant Upwind675.60.8881
Single Number Predominant Reaching606.70.9890
Single Number Predominant Downwind674.10.8900
Predominant Upwind - Low1017.00.5900
Predominant Upwind - Low/Med739.30.8116
Predominant Upwind - Medium616.70.9728
Predominant Upwind - Med/High543.61.1037
Predominant Upwind - High519.31.1554
Predominant Downwind Low1090.00.5505
Predominant Downwind Low/Med757.80.7918
Predominant Downwind Medium606.00.9901
Predominant Downwind Med/High510.71.1748
Predominant Downwind High468.01.2821
Predominant Reaching Low922.40.6505
Predominant Reaching Low/Med666.10.9007
Predominant Reaching Medium553.51.0841
Predominant Reaching Med/High485.91.2347
Predominant Reaching High456.31.3148
SA/DSPL Upwind16.29SA/DSPL Downwind16.29
Scoring OptionTODTOT
5-Band Windward/Leeward Low1330.40.4510
5-Band Windward/Leeward Low/Med925.80.6481
5-Band Windward/Leeward Medium738.00.8130
5-Band Windward/Leeward Med/High618.00.9708
5-Band Windward/Leeward High572.31.0485
Windward/Leeward 60-40 Low1319.80.4546
Windward/Leeward 60-40 Low/Med927.10.6472
Windward/Leeward 60-40 Medium746.20.8041
Windward/Leeward 60-40 Med/High631.80.9496
Windward/Leeward 60-40 High591.31.0147
5-Band AP Low963.00.6231
5-Band AP Low/Med718.70.8349
5-Band AP Medium591.31.0147
5-Band AP Med/High513.41.1687
5-Band AP High481.71.2455
5-Band SF Bay Tour - Low1130.10.5309
5-Band SF Bay Tour - Low/Med883.30.6793
5-Band SF Bay Tour - Medium711.80.8430
5-Band SF Bay Tour - Med/High603.90.9936
5-Band SF Bay Tour - High564.21.0634
Chicago-Mac Upwind0.8489
Chicago-Mac All Purpose0.8536
Chicago-Mac Downwind0.8468
Bayview-Mac Cove Island0.5838
Bayview-Mac Shore0.5907
Harvest Moon Regatta515.91.1630
Non Spin/HSFClub 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 L11.193LSM010.972Acc. length12.000Sink (kg/mm) 28.16
VCGD0.227VCGM0.241RM Rated (kg·m) 278.0Limit 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
E4.650J4.500BAS1.590FSDSFJ0.000SPLWPL0.000TPSBD0.220MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date26/04/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub 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
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.