Club Certificate2025
Luna 77CRO 2649
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 Angles47.6°47.6°46.5°45.2°44.1°43.0°42.1°40.4°40.8°
Beat VMG1.892.753.534.164.685.115.475.946.00
52°3.024.365.556.457.167.728.138.628.78
60°3.314.735.956.857.548.068.428.889.13
75°3.524.976.207.137.848.358.689.189.61
90°3.755.336.707.768.498.959.329.8210.13
110°3.895.546.958.018.699.179.6210.5311.44
120°3.775.376.767.848.569.069.5210.4611.60
135°3.244.736.107.228.098.699.1410.0311.04
150°2.703.975.196.277.197.938.499.259.99
Run VMG2.343.444.495.436.236.877.378.178.81
Gybe Angles143.0°143.0°145.8°146.8°148.1°149.5°152.3°159.9°160.8°
APH ToD:554.6CDL: 10.835APH ToT: 1.0818CertNo:074/25
BOAT
ClassDufour 520 GLDesignerFelciBuilderDufour yachtsAge date02/2019Series date02/2017Offset fileDufo520GL_CL.offData fileCRO2649
HULL
Length Overall14.750 mMaximum Beam4.798 mDraft2.237 mDisplacement15,243 kgDLR5.4679IMS DivisionCruiser/RacerDynamic Allowance0.430%Age Allowance0.260%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.460m
CREW
Maximum weight1,121 kg(default)Minimum weight952 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail43.5243.29Headsail Luffed51.9451.94Headsail FlyingSymmetricAsymmetric155.41155.41 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.88Storm Jib14.88Heavy Weather Jib40.18
SAIL LIMITS
Headsails6
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers5
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.
ORC Ref  03620003MWWIssued on 03/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
Luna 77CRO 2649
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 VMG1909.61310.81019.7865.1769.6704.3657.5605.9599.9
52°1191.8825.0648.3557.8502.7466.5443.1417.7409.9
60°1086.9761.1605.1525.4477.2446.9427.5405.3394.5
75°1023.1723.7580.3504.8459.4431.2415.0392.1374.7
90°960.4675.1537.2464.0424.2402.0386.4366.5355.4
110°924.3650.3518.2449.4414.1392.6374.1342.0314.6
120°956.2670.7532.6459.4420.3397.3378.2344.0310.5
135°1110.4760.8590.2498.9445.1414.3393.9358.9326.1
150°1333.3905.9694.3573.8500.8453.9424.2389.2360.5
Run VMG1539.61046.0801.7662.5578.2524.1488.5440.4408.8
Selected Courses
Windward / Leeward1724.71178.4910.7763.8673.9614.2573.0523.2504.4
All purpose1287.6888.6694.1589.4527.2487.5460.1424.9406.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward711.20.8436
All purpose554.61.0818
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7079
Downwind "popa"0.9248
70% up, 30% down "Ilhabela"0.7615
30% up, 70% down "Ilhabela-inverso"0.8470
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Predominantly Upwind617.50.9717
Predominantly Downwind558.41.0746
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low791.30.7582
TriNum AP Med552.01.0869
TriNum AP High453.71.3223
TriNum W/L Low1097.90.5465
TriNum W/L Med708.70.8466
TriNum W/L Hig564.61.0627
Predom. Upwind651.00.9217
Predom. Reaching546.91.0970
Predom. Downwind588.41.0197
Predom. Up Low1024.80.5855
Predom. Up L/M721.40.8317
Predom. Up Med588.71.0192
Predom. Up M/H506.81.1839
Predom. Up High469.71.2775
Predom. Dn Low942.30.6367
Predom. Dn L/M656.00.9146
Predom. Dn Med529.81.1325
Predom. Dn M/H453.51.3231
Predom. Dn High414.61.4472
Predom. Rc Low852.80.7035
Predom. Rc L/M602.90.9952
Predom. Rc Med495.31.2113
Predom. Rc M/H432.01.3890
Predom. Rc High400.71.4972
SA/DSPL Upwind15.39SA/DSPL Downwind32.07
Scoring OptionTODTOT
5B W/L Low1248.00.4808
5B W/L L/M863.40.6949
5B W/L Med690.20.8693
5B W/L M/H580.11.0344
5B W/L High528.51.1352
W/L 60-40 Low1276.00.4702
W/L 60-40 L/M884.90.6780
W/L 60-40 Med709.30.8458
W/L 60-40 M/H597.31.0045
W/L 60-40 High545.61.0997
5B AP Low880.50.6814
5B AP L/M661.20.9074
5B AP Med539.21.1127
5B AP M/H464.41.2919
5B AP High427.81.4026
5B SF Bay Low1066.00.5628
5B SF Bay L/M826.00.7264
5B SF Bay Med663.30.9046
5B SF Bay M/H560.31.0708
5B SF Bay High512.01.1720
Chicago-Mac Upwind0.8763
Chicago-Mac All Purpose0.9274
Chicago-Mac Downwind0.9718
BayMac Cove Island960.90.6244
BayMac Shore955.30.6281
Harvest Moon454.21.3210
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance612.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating612.40.9797
FinRating, kevyt tuuli1220.50.8194
FinRating, kova tuuli429.91.1631
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9797
Triple Number Coastal/Long Distance Low0.7582
Triple Number Coastal/Long Distance Medium1.0871
Triple Number Coastal/Long Distance High1.3223
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High1.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
For information
General Purpose Handicap (GPH)637.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low791.3
Triple Number Coastal/Long Distance Medium551.9
Triple Number Coastal/Long Distance High453.8
Triple Number Windward/Leeward Low1044.6
Triple Number Windward/Leeward Medium708.7
Triple Number Windward/Leeward High564.6
Predominantly Upwind617.5
Predominantly Downwind558.4
Predominantly Reaching528.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7582
Triple Number Coastal/Long Distance Medium1.0871
Triple Number Coastal/Long Distance High1.3223
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High1.0627
Coastal/Long Distance0.9797
Predominantly Upwind0.9717
Predominantly Downwind1.0746
For information
General Purpose Handicap (GPH)637.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0818
Distanseseilas Trippeltall svak vind0.7582
Distanseseilas Trippeltall mellomvind1.0871
Distanseseilas Trippeltall sterk vind1.3223
Pølsebane Trippeltall svak vind0.5744
Pølsebane Trippeltall mellomvind0.8466
Pølsebane Trippeltall sterk vind1.0627
Motvind Singeltall0.9717
Medvind Singeltall1.0746
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Coastal/Long Distance612.40.9797
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind617.50.9717
Predominantly Downwind558.41.0746
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore510.01.1765
Cape Doctor Coastal411.91.4568
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7582
Triple Number Coastal/Long Distance Medium1.0871
Triple Number Coastal/Long Distance High1.3223
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High1.0627
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7582
Triple Number Coastal/Long Distance Medium1.0871
Triple Number Coastal/Long Distance High1.3223
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High1.0627
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Predominantly Upwind617.50.9717
Predominantly Downwind558.41.0746
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.40.9797
Triple Number Coastal/Long Distance Low791.30.7582
Triple Number Coastal/Long Distance Medium551.91.0871
Triple Number Coastal/Long Distance High453.81.3223
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High564.61.0627
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.21165.2847.0675.6569.8507.7463.1404.2384.2
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low791.30.7582
TriNum AP Med552.01.0869
TriNum AP High453.71.3223
TriNum W/L Low1097.90.5465
TriNum W/L Med708.70.8466
TriNum W/L Hig564.61.0627
Predom. Upwind651.00.9217
Predom. Reaching546.91.0970
Predom. Downwind588.41.0197
Predom. Up Low1024.80.5855
Predom. Up L/M721.40.8317
Predom. Up Med588.71.0192
Predom. Up M/H506.81.1839
Predom. Up High469.71.2775
Predom. Dn Low942.30.6367
Predom. Dn L/M656.00.9146
Predom. Dn Med529.81.1325
Predom. Dn M/H453.51.3231
Predom. Dn High414.61.4472
Predom. Rc Low852.80.7035
Predom. Rc L/M602.90.9952
Predom. Rc Med495.31.2113
Predom. Rc M/H432.01.3890
Predom. Rc High400.71.4972
SA/DSPL Upwind15.39SA/DSPL Downwind32.07
Scoring OptionTODTOT
5B W/L Low1248.00.4808
5B W/L L/M863.40.6949
5B W/L Med690.20.8693
5B W/L M/H580.11.0344
5B W/L High528.51.1352
W/L 60-40 Low1276.00.4702
W/L 60-40 L/M884.90.6780
W/L 60-40 Med709.30.8458
W/L 60-40 M/H597.31.0045
W/L 60-40 High545.61.0997
5B AP Low880.50.6814
5B AP L/M661.20.9074
5B AP Med539.21.1127
5B AP M/H464.41.2919
5B AP High427.81.4026
5B SF Bay Low1066.00.5628
5B SF Bay L/M826.00.7264
5B SF Bay Med663.30.9046
5B SF Bay M/H560.31.0708
5B SF Bay High512.01.1720
Chicago-Mac Upwind0.8763
Chicago-Mac All Purpose0.9274
Chicago-Mac Downwind0.9718
BayMac Cove Island960.90.6244
BayMac Shore955.30.6281
Harvest Moon454.21.3210
ORC Ref  03620003MWWIssued on 03/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
Luna 77CRO 2649
Hrvatski jedriličarski savez
Osječka 11
21000 Split
CROATIA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 520 GLMeasurement18/04/2019HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA14.750Max. Beam4.798Draft2.237Displacement15,243Wetted area51.24IMS L14.140LSM014.073Acc. length14.750Sink (kg/mm) 41.56
VCGD-0.200VCGM-0.125RM Rated (kg·m) 658.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight1,121Declared crew weightN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBWPIPA0.0257
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P16.200IG17.250ISP17.550MDT10.200MDL10.300MDT20.200MDL20.300TL0.000MWGO
E5.600J5.590BAS1.880FSD0.040SFJ0.000SPLWPLTPS6.250BD0.240MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.200Flotation Date18/04/2019
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03620003MWWIssued on 03/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
Luna 77CRO 2649
Hrvatski jedriličarski savez
Osječka 11
21000 Split
CROATIA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.040.651.282.614.0443.5205/04/2019e 5.55 P 17.25
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.040.701.382.864.446.0417.68NoNo 51.9405/04/201910.040.551.072.223.494.8217.66NoNo 40.8405/04/2019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment119.9017.7018.8010.109.20110%155.4119/04/2023
CRUISER/RACER REQUIREMENTS*
Accommodation length14.8 mTable area0.66 m²Headroom1.90 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity264 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity146 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03620003MWWIssued on 03/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org