Non Spin/HSFClub 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 VMG1.892.753.534.164.685.115.485.946.00
52°3.024.365.556.467.167.728.138.628.78
60°3.314.735.956.857.558.068.428.889.13
75°3.524.986.217.137.848.338.689.189.61
90°3.414.856.097.067.808.338.709.289.84
110°2.944.315.576.627.488.168.649.3310.00
120°2.764.075.306.357.237.958.489.209.87
135°2.403.594.735.766.657.428.058.889.51
150°1.952.943.934.865.706.457.128.208.93
Run VMG1.752.643.534.395.215.986.687.888.71
Gybe Angles171.2°171.2°171.2°172.1°173.0°173.9°175.0°176.6°178.0°
APH ToD:607.5CDL: 10.834APH ToT: 0.9877CertNo: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 Allowance0.420%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail15.88Storm Jib14.88Heavy Weather Jib40.18
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 = 6.25
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.
ORC Ref  03620003NKHIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub 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 VMG1909.21310.51019.5865.0769.5704.1657.5606.0600.1
52°1191.4824.8648.2557.6502.6466.4443.0417.7409.9
60°1086.5760.9604.9525.3477.1446.8427.5405.2394.5
75°1022.8723.4580.2504.7459.3432.1414.9392.0374.6
90°1057.0742.6591.0510.1461.6432.2413.7388.0366.0
110°1223.9836.2646.7544.0481.1441.1416.8386.0359.9
120°1303.7884.4678.8566.7497.9452.8424.6391.3364.6
135°1497.81004.2760.8625.0541.4485.4447.1405.2378.5
150°1842.11223.2916.6741.3631.8558.2505.9439.0403.0
Run VMG2058.11365.41020.8819.6690.5602.3539.2456.9413.2
Selected Courses
Windward / Leeward1983.01338.01020.1842.3730.0653.2598.3531.4506.6
All purpose1483.71011.5780.2653.6575.2523.1487.5444.6424.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward773.40.7758
All purpose607.50.9877
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7080
Downwind "popa"0.7644
70% up, 30% down "Ilhabela"0.7240
30% up, 70% down "Ilhabela-inverso"0.7466
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Predominantly Upwind647.80.9262
Predominantly Downwind643.00.9331
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low895.90.6697
TriNum AP Med605.50.9909
TriNum AP High480.31.2492
TriNum W/L Low1241.70.4832
TriNum W/L Med772.40.7768
TriNum W/L Hig587.01.0222
Predom. Upwind682.00.8797
Predom. Reaching608.20.9865
Predom. Downwind682.10.8796
Predom. Up Low1091.60.5497
Predom. Up L/M761.60.7878
Predom. Up Med614.70.9760
Predom. Up M/H521.71.1500
Predom. Up High479.71.2507
Predom. Dn Low1151.90.5209
Predom. Dn L/M779.00.7702
Predom. Dn Med607.00.9884
Predom. Dn M/H495.11.2118
Predom. Dn High440.71.3615
Predom. Rc Low980.50.6119
Predom. Rc L/M681.10.8809
Predom. Rc Med547.11.0967
Predom. Rc M/H463.31.2951
Predom. Rc High423.81.4157
SA/DSPL Upwind15.39SA/DSPL Downwind15.39
Scoring OptionTODTOT
5B W/L Low1419.90.4226
5B W/L L/M961.40.6241
5B W/L Med749.00.8011
5B W/L M/H607.40.9878
5B W/L High538.71.1138
W/L 60-40 Low1413.40.4245
W/L 60-40 L/M963.30.6228
W/L 60-40 Med756.40.7933
W/L 60-40 M/H619.20.9690
W/L 60-40 High553.71.0835
5B AP Low1025.30.5852
5B AP L/M739.40.8115
5B AP Med589.31.0182
5B AP M/H493.71.2154
5B AP High448.41.3379
5B SF Bay Low1201.50.4994
5B SF Bay L/M916.80.6545
5B SF Bay Med719.60.8338
5B SF Bay M/H589.91.0171
5B SF Bay High528.21.1359
Chicago-Mac Upwind0.8343
Chicago-Mac All Purpose0.8390
Chicago-Mac Downwind0.8316
BayMac Cove Island1086.20.5524
BayMac Shore1074.20.5586
Harvest Moon503.21.1923
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance673.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating673.20.8913
FinRating, kevyt tuuli1402.30.7131
FinRating, kova tuuli453.01.1038
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8913
Triple Number Coastal/Long Distance Low0.6697
Triple Number Coastal/Long Distance Medium0.9911
Triple Number Coastal/Long Distance High1.2492
Triple Number Windward/Leeward Low0.5089
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High1.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
For information
General Purpose Handicap (GPH)702.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low895.9
Triple Number Coastal/Long Distance Medium605.4
Triple Number Coastal/Long Distance High480.3
Triple Number Windward/Leeward Low1179.0
Triple Number Windward/Leeward Medium772.4
Triple Number Windward/Leeward High587.0
Predominantly Upwind647.8
Predominantly Downwind643.0
Predominantly Reaching597.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6697
Triple Number Coastal/Long Distance Medium0.9911
Triple Number Coastal/Long Distance High1.2492
Triple Number Windward/Leeward Low0.5089
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High1.0222
Coastal/Long Distance0.8913
Predominantly Upwind0.9262
Predominantly Downwind0.9331
For information
General Purpose Handicap (GPH)702.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9877
Distanseseilas Trippeltall svak vind0.6697
Distanseseilas Trippeltall mellomvind0.9911
Distanseseilas Trippeltall sterk vind1.2492
Pølsebane Trippeltall svak vind0.5089
Pølsebane Trippeltall mellomvind0.7768
Pølsebane Trippeltall sterk vind1.0222
Motvind Singeltall0.9262
Medvind Singeltall0.9331
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Coastal/Long Distance673.20.8913
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind647.80.9262
Predominantly Downwind643.00.9331
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore514.11.1672
Cape Doctor Coastal430.21.3947
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6697
Triple Number Coastal/Long Distance Medium0.9911
Triple Number Coastal/Long Distance High1.2492
Triple Number Windward/Leeward Low0.5089
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High1.0222
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6697
Triple Number Coastal/Long Distance Medium0.9911
Triple Number Coastal/Long Distance High1.2492
Triple Number Windward/Leeward Low0.5089
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High1.0222
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Predominantly Upwind647.80.9262
Predominantly Downwind643.00.9331
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance673.20.8913
Triple Number Coastal/Long Distance Low895.90.6697
Triple Number Coastal/Long Distance Medium605.40.9911
Triple Number Coastal/Long Distance High480.31.2492
Triple Number Windward/Leeward Low1179.00.5089
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High587.01.0222
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2144.71340.7955.7749.7621.6546.5493.8426.9404.6
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low895.90.6697
TriNum AP Med605.50.9909
TriNum AP High480.31.2492
TriNum W/L Low1241.70.4832
TriNum W/L Med772.40.7768
TriNum W/L Hig587.01.0222
Predom. Upwind682.00.8797
Predom. Reaching608.20.9865
Predom. Downwind682.10.8796
Predom. Up Low1091.60.5497
Predom. Up L/M761.60.7878
Predom. Up Med614.70.9760
Predom. Up M/H521.71.1500
Predom. Up High479.71.2507
Predom. Dn Low1151.90.5209
Predom. Dn L/M779.00.7702
Predom. Dn Med607.00.9884
Predom. Dn M/H495.11.2118
Predom. Dn High440.71.3615
Predom. Rc Low980.50.6119
Predom. Rc L/M681.10.8809
Predom. Rc Med547.11.0967
Predom. Rc M/H463.31.2951
Predom. Rc High423.81.4157
SA/DSPL Upwind15.39SA/DSPL Downwind15.39
Scoring OptionTODTOT
5B W/L Low1419.90.4226
5B W/L L/M961.40.6241
5B W/L Med749.00.8011
5B W/L M/H607.40.9878
5B W/L High538.71.1138
W/L 60-40 Low1413.40.4245
W/L 60-40 L/M963.30.6228
W/L 60-40 Med756.40.7933
W/L 60-40 M/H619.20.9690
W/L 60-40 High553.71.0835
5B AP Low1025.30.5852
5B AP L/M739.40.8115
5B AP Med589.31.0182
5B AP M/H493.71.2154
5B AP High448.41.3379
5B SF Bay Low1201.50.4994
5B SF Bay L/M916.80.6545
5B SF Bay Med719.60.8338
5B SF Bay M/H589.91.0171
5B SF Bay High528.21.1359
Chicago-Mac Upwind0.8343
Chicago-Mac All Purpose0.8390
Chicago-Mac Downwind0.8316
BayMac Cove Island1086.20.5524
BayMac Shore1074.20.5586
Harvest Moon503.21.1923
ORC Ref  03620003NKHIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub 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 L14.135LSM014.073Acc. 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
E5.600J5.590BAS1.880FSD0.040SFJ0.000SPLWPLTPSBD0.240MWTMCG
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  03620003NKHIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub 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
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  03620003NKHIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org