Club Certificate2025
GATTAMELATAITA-6376
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 Angles42.0°42.0°40.2°38.2°37.5°37.4°37.6°38.8°41.5°
Beat VMG2.293.093.654.024.194.244.254.194.01
52°3.534.615.275.605.775.865.895.905.82
60°3.724.805.405.705.896.006.046.096.07
75°3.814.905.485.796.016.186.306.426.47
90°3.684.815.495.876.076.246.436.726.89
110°3.654.835.585.976.286.546.777.097.32
120°3.484.675.495.926.256.566.877.497.86
135°3.114.285.175.736.086.416.747.528.48
150°2.623.714.655.375.826.146.447.107.98
Run VMG2.263.214.044.735.295.696.016.567.19
Gybe Angles148.7°148.7°152.8°158.1°166.0°175.0°177.7°177.7°170.8°
APH ToD:670.2CDL: 5.951APH ToT: 0.8953CertNo:25/1
BOAT
ClassComet 770DesignerFinotBuilderComar YachtsAge date03/1974Series date03/1974Offset fileIC770.OFFData fileI6376
HULL
Length Overall7.700Maximum Beam2.708Draft1.498Displacement1,750DLR10.8902IMS DivisionCruiser/RacerDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.300m
CREW
Maximum weight315(declared)Minimum weight185 ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail15.5115.85Headsail Luffed22.1722.17Headsail FlyingSymmetric48.9348.93Asymmetric
STORM SAIL AREAS (m²)
Trysail4.19Storm Jib5.14Heavy Weather Jib13.86
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
peso Mamone 25.03.2016
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  031900046FBIssued on 21/10/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
GATTAMELATAITA-6376
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 VMG1571.01166.8985.8896.3859.3849.1846.6859.6897.9
52°1020.7780.3683.5643.1623.5614.7611.2610.3618.4
60°967.7749.7666.4631.3611.5600.1596.3590.9593.2
75°945.1735.2656.4621.6599.0582.7571.7561.2556.1
90°977.0748.4655.9613.7592.6576.5560.0536.0522.6
110°987.0745.8645.5603.0573.7550.9531.6507.4491.9
120°1034.2770.1656.1608.0575.6548.6523.9480.5458.2
135°1159.1841.7696.1628.2591.7561.7534.5478.7424.3
150°1375.2969.8773.8670.0618.9586.5559.0507.1451.3
Run VMG1590.81119.9890.9761.4680.3632.2599.3548.5501.0
Selected Courses
Windward / Leeward1579.11143.3938.4828.9769.8740.6723.0704.1699.5
All purpose1209.7896.4756.1687.3650.8629.8614.3593.4582.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward803.30.7469
All purpose670.20.8953
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6498
Downwind "popa"0.8027
70% up, 30% down "Ilhabela"0.6892
30% up, 70% down "Ilhabela-inverso"0.7498
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Predominantly Upwind722.70.8302
Predominantly Downwind673.80.8905
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low826.30.7262
TriNum AP Med666.50.9002
TriNum AP High610.40.9830
TriNum W/L Low1083.90.5536
TriNum W/L Med796.30.7535
TriNum W/L Hig720.30.8330
Predom. Upwind748.40.8017
Predom. Reaching668.20.8980
Predom. Downwind700.10.8570
Predom. Up Low977.90.6136
Predom. Up L/M776.50.7727
Predom. Up Med704.10.8521
Predom. Up M/H671.70.8933
Predom. Up High661.80.9066
Predom. Dn Low983.50.6101
Predom. Dn L/M749.90.8001
Predom. Dn Med654.20.9171
Predom. Dn M/H594.31.0095
Predom. Dn High555.61.0798
Predom. Rc Low884.20.6786
Predom. Rc L/M701.40.8555
Predom. Rc Med632.30.9489
Predom. Rc M/H589.61.0177
Predom. Rc High561.61.0683
SA/DSPL Upwind25.91SA/DSPL Downwind44.29
Scoring OptionTODTOT
5B W/L Low1201.50.4994
5B W/L L/M905.10.6629
5B W/L Med784.90.7644
5B W/L M/H726.70.8257
5B W/L High706.50.8492
W/L 60-40 Low1205.70.4976
W/L 60-40 L/M916.50.6547
W/L 60-40 Med802.60.7476
W/L 60-40 M/H751.40.7985
W/L 60-40 High738.00.8130
5B AP Low904.90.6631
5B AP L/M737.00.8142
5B AP Med659.10.9104
5B AP M/H616.50.9732
5B AP High595.21.0081
5B SF Bay Low1045.60.5739
5B SF Bay L/M870.90.6890
5B SF Bay Med764.40.7850
5B SF Bay M/H713.20.8413
5B SF Bay High694.10.8645
Chicago-Mac Upwind0.7821
Chicago-Mac All Purpose0.8078
Chicago-Mac Downwind0.8303
BayMac Cove Island978.00.6135
BayMac Shore971.70.6175
Harvest Moon592.31.0130
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance722.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating722.40.8306
FinRating, kevyt tuuli1181.80.8462
FinRating, kova tuuli599.10.8346
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8306
Triple Number Coastal/Long Distance Low0.7262
Triple Number Coastal/Long Distance Medium0.9003
Triple Number Coastal/Long Distance High0.9830
Triple Number Windward/Leeward Low0.5764
Triple Number Windward/Leeward Medium0.7535
Triple Number Windward/Leeward High0.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
For information
General Purpose Handicap (GPH)744.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low826.2
Triple Number Coastal/Long Distance Medium666.4
Triple Number Coastal/Long Distance High610.4
Triple Number Windward/Leeward Low1040.9
Triple Number Windward/Leeward Medium796.3
Triple Number Windward/Leeward High720.3
Predominantly Upwind722.7
Predominantly Downwind673.8
Predominantly Reaching653.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7262
Triple Number Coastal/Long Distance Medium0.9003
Triple Number Coastal/Long Distance High0.9830
Triple Number Windward/Leeward Low0.5764
Triple Number Windward/Leeward Medium0.7535
Triple Number Windward/Leeward High0.8330
Coastal/Long Distance0.8306
Predominantly Upwind0.8302
Predominantly Downwind0.8905
For information
General Purpose Handicap (GPH)744.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8953
Distanseseilas Trippeltall svak vind0.7262
Distanseseilas Trippeltall mellomvind0.9003
Distanseseilas Trippeltall sterk vind0.9830
Pølsebane Trippeltall svak vind0.5764
Pølsebane Trippeltall mellomvind0.7535
Pølsebane Trippeltall sterk vind0.8330
Motvind Singeltall0.8302
Medvind Singeltall0.8905
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Coastal/Long Distance722.40.8306
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind722.70.8302
Predominantly Downwind673.80.8905
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore700.90.8561
Cape Doctor Coastal585.81.0243
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7262
Triple Number Coastal/Long Distance Medium0.9003
Triple Number Coastal/Long Distance High0.9830
Triple Number Windward/Leeward Low0.5764
Triple Number Windward/Leeward Medium0.7535
Triple Number Windward/Leeward High0.8330
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7262
Triple Number Coastal/Long Distance Medium0.9003
Triple Number Coastal/Long Distance High0.9830
Triple Number Windward/Leeward Low0.5764
Triple Number Windward/Leeward Medium0.7535
Triple Number Windward/Leeward High0.8330
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Predominantly Upwind722.70.8302
Predominantly Downwind673.80.8905
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.40.8306
Triple Number Coastal/Long Distance Low826.20.7262
Triple Number Coastal/Long Distance Medium666.40.9003
Triple Number Coastal/Long Distance High610.40.9830
Triple Number Windward/Leeward Low1040.90.5764
Triple Number Windward/Leeward Medium796.30.7535
Triple Number Windward/Leeward High720.30.8330
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1663.61141.0888.3760.1690.0652.4621.2566.6552.4
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low826.30.7262
TriNum AP Med666.50.9002
TriNum AP High610.40.9830
TriNum W/L Low1083.90.5536
TriNum W/L Med796.30.7535
TriNum W/L Hig720.30.8330
Predom. Upwind748.40.8017
Predom. Reaching668.20.8980
Predom. Downwind700.10.8570
Predom. Up Low977.90.6136
Predom. Up L/M776.50.7727
Predom. Up Med704.10.8521
Predom. Up M/H671.70.8933
Predom. Up High661.80.9066
Predom. Dn Low983.50.6101
Predom. Dn L/M749.90.8001
Predom. Dn Med654.20.9171
Predom. Dn M/H594.31.0095
Predom. Dn High555.61.0798
Predom. Rc Low884.20.6786
Predom. Rc L/M701.40.8555
Predom. Rc Med632.30.9489
Predom. Rc M/H589.61.0177
Predom. Rc High561.61.0683
SA/DSPL Upwind25.91SA/DSPL Downwind44.29
Scoring OptionTODTOT
5B W/L Low1201.50.4994
5B W/L L/M905.10.6629
5B W/L Med784.90.7644
5B W/L M/H726.70.8257
5B W/L High706.50.8492
W/L 60-40 Low1205.70.4976
W/L 60-40 L/M916.50.6547
W/L 60-40 Med802.60.7476
W/L 60-40 M/H751.40.7985
W/L 60-40 High738.00.8130
5B AP Low904.90.6631
5B AP L/M737.00.8142
5B AP Med659.10.9104
5B AP M/H616.50.9732
5B AP High595.21.0081
5B SF Bay Low1045.60.5739
5B SF Bay L/M870.90.6890
5B SF Bay Med764.40.7850
5B SF Bay M/H713.20.8413
5B SF Bay High694.10.8645
Chicago-Mac Upwind0.7821
Chicago-Mac All Purpose0.8078
Chicago-Mac Downwind0.8303
BayMac Cove Island978.00.6135
BayMac Shore971.70.6175
Harvest Moon592.31.0130
ORC Ref  031900046FBIssued on 21/10/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
GATTAMELATAITA-6376
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassComet 770Measurement01/01/1974HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.700Max. Beam2.708Draft1.498Displacement1,750Wetted area11.96IMS L5.863LSM05.436Acc. length7.700Sink (kg/mm) 8.59
VCGD0.000VCGM-0.066RM Rated (kg·m) 37.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight289Declared crew weight315
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBW0.100PIPA0.0024
PSD0.025PHD0.050PHL0.120
PSA15.0°ESL0.490
ST10.020ST20.070ST30.080
ST40.050ST50.180
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P8.860IG10.050ISP10.060MDT10.085MDL10.125MDT20.085MDL20.125TLMW0.125GO0.150
E2.700J3.160BAS1.000FSD0.035SFJSPL3.240WPLTPSBD0.103MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.000Flotation Date08/11/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  031900046FBIssued on 21/10/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
GATTAMELATAITA-6376
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.220.701.171.922.4515.51
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.070.561.082.173.304.4310.08NoNo 22.17
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC10.0010.0010.005.945.6048.93* Copied from legacy *
CRUISER/RACER REQUIREMENTS*
Accommodation length7.7 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity17 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  031900046FBIssued on 21/10/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org