Club Certificate2025
AMUSE IIIRL 1766
ORC
Central Rating Office
Issuing certificates for
Ireland
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 Angles43.6°43.6°41.7°39.9°38.5°38.0°38.4°38.6°39.7°
Beat VMG2.613.604.394.965.275.405.475.545.48
52°4.085.516.537.167.477.627.707.797.80
60°4.375.826.797.357.667.837.928.058.08
75°4.566.036.977.507.838.098.288.498.61
90°4.596.147.197.738.068.278.458.909.17
110°4.446.037.167.798.258.699.089.6210.10
120°4.245.816.997.668.148.609.0710.1211.07
135°3.715.186.397.257.788.238.689.7311.46
150°3.044.355.506.497.237.718.098.879.80
Run VMG2.633.764.775.626.286.787.227.918.59
Gybe Angles142.4°142.4°147.1°149.6°152.1°157.4°162.7°164.6°161.9°
APH ToD:531.3CDL: 10.035APH ToT: 1.1293CertNo:
BOAT
ClassARCONA 380/385DesignerQUIBERGBuilderARCONA YATCHSAge date05/2023Series date06/2021Offset fileARCONA380.offData fileIRL1766
HULL
Length Overall11.295 mMaximum Beam3.790 mDraft2.060 mDisplacement6,950 kgDLR6.3582IMS DivisionCruiser/RacerDynamic Allowance0.170%Age Allowance0.130%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight765 kg(declared)Minimum weight635 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail50.5151.32Headsail Luffed35.8235.82Headsail FlyingSymmetricAsymmetric95.2995.29 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail15.12Storm Jib13.09Heavy Weather Jib35.33
SAIL LIMITS
Headsails6Spinnakers5
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
AMUSE IIIRL 1766
ORC
Central Rating Office
Issuing certificates for
Ireland
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 VMG1381.01000.1820.6726.0683.1666.6657.6650.4657.2
52°881.4653.1551.3503.1481.7472.7467.6462.1461.5
60°824.3618.5529.9489.7469.9459.6454.3447.4445.4
75°788.7597.0516.5480.2459.7444.9434.7423.8418.2
90°784.7586.0500.8465.7446.6435.4425.9404.3392.5
110°810.7597.3503.0462.3436.2414.4396.5374.3356.5
120°849.6619.3515.4469.9442.4418.5397.0355.9325.2
135°970.7694.4563.4496.4462.5437.5414.6370.1314.2
150°1183.3828.1654.0555.0498.0467.0444.8405.8367.2
Run VMG1366.4956.2755.2640.9573.4530.9498.9455.2418.9
Selected Courses
Windward / Leeward1373.1978.1787.9683.4628.3598.7578.3552.8538.1
All purpose1032.5748.3615.7548.2512.8492.0476.9454.6438.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward658.10.9117
All purpose531.31.1293
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8070
Downwind "popa"0.9522
70% up, 30% down "Ilhabela"0.8457
30% up, 70% down "Ilhabela-inverso"0.9035
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Predominantly Upwind573.61.0460
Predominantly Downwind542.61.1058
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low682.00.8798
Triple Number AP Medium528.01.1363
Triple Number AP High472.31.2703
Triple Number Windward/Leeward Low921.70.6510
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Single Number Predominant Upwind596.81.0054
Single Number Predominant Reaching526.41.1398
Single Number Predominant Downwind565.61.0607
Predominant Upwind - Low822.20.7298
Predominant Upwind - Low/Med628.40.9549
Predominant Upwind - Medium555.01.0810
Predominant Upwind - Med/High520.31.1531
Predominant Upwind - High504.21.1900
Predominant Downwind Low822.70.7293
Predominant Downwind Low/Med611.40.9814
Predominant Downwind Medium524.01.1451
Predominant Downwind Med/High470.31.2757
Predominant Downwind High435.31.3784
Predominant Reaching Low726.00.8264
Predominant Reaching Low/Med557.61.0760
Predominant Reaching Medium492.91.2172
Predominant Reaching Med/High455.31.3177
Predominant Reaching High429.41.3972
SA/DSPL Upwind23.55SA/DSPL Downwind39.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1029.50.5828
5-Band Windward/Leeward Low/Med755.50.7941
5-Band Windward/Leeward Medium641.60.9351
5-Band Windward/Leeward Med/High581.61.0316
5-Band Windward/Leeward High554.61.0818
Windward/Leeward 60-40 Low1033.70.5805
Windward/Leeward 60-40 Low/Med763.10.7863
Windward/Leeward 60-40 Medium652.70.9193
Windward/Leeward 60-40 Med/High597.31.0045
Windward/Leeward 60-40 High574.31.0448
5-Band AP Low751.30.7986
5-Band AP Low/Med596.21.0063
5-Band AP Medium520.81.1521
5-Band AP Med/High478.71.2533
5-Band AP High455.71.3167
5-Band SF Bay Tour - Low887.50.6761
5-Band SF Bay Tour - Low/Med721.60.8315
5-Band SF Bay Tour - Medium617.80.9712
5-Band SF Bay Tour - Med/High564.11.0637
5-Band SF Bay Tour - High538.41.1143
Chicago-Mac Upwind0.9753
Chicago-Mac All Purpose1.0031
Chicago-Mac Downwind1.0231
Bayview-Mac Cove Island0.7343
Bayview-Mac Shore0.7402
Harvest Moon Regatta461.01.3015
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance579.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating579.21.0359
FinRating, kevyt tuuli1008.70.9914
FinRating, kova tuuli457.81.0923
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0359
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1364
Triple Number Coastal/Long Distance High1.2703
Triple Number Windward/Leeward Low0.6795
Triple Number Windward/Leeward Medium0.9194
Triple Number Windward/Leeward High1.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
For information
General Purpose Handicap (GPH)596.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low682.0
Triple Number Coastal/Long Distance Medium528.0
Triple Number Coastal/Long Distance High472.3
Triple Number Windward/Leeward Low883.0
Triple Number Windward/Leeward Medium652.6
Triple Number Windward/Leeward High573.8
Predominantly Upwind573.6
Predominantly Downwind542.6
Predominantly Reaching517.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1364
Triple Number Coastal/Long Distance High1.2703
Triple Number Windward/Leeward Low0.6795
Triple Number Windward/Leeward Medium0.9194
Triple Number Windward/Leeward High1.0456
Coastal/Long Distance1.0359
Predominantly Upwind1.0460
Predominantly Downwind1.1058
For information
General Purpose Handicap (GPH)596.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1293
Distanseseilas Trippeltall svak vind0.8798
Distanseseilas Trippeltall mellomvind1.1364
Distanseseilas Trippeltall sterk vind1.2703
Pølsebane Trippeltall svak vind0.6795
Pølsebane Trippeltall mellomvind0.9194
Pølsebane Trippeltall sterk vind1.0456
Motvind Singeltall1.0460
Medvind Singeltall1.1058
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Coastal/Long Distance579.21.0359
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind573.61.0460
Predominantly Downwind542.61.1058
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore542.51.1060
Cape Doctor Coastal443.31.3536
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1364
Triple Number Coastal/Long Distance High1.2703
Triple Number Windward/Leeward Low0.6795
Triple Number Windward/Leeward Medium0.9194
Triple Number Windward/Leeward High1.0456
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1364
Triple Number Coastal/Long Distance High1.2703
Triple Number Windward/Leeward Low0.6795
Triple Number Windward/Leeward Medium0.9194
Triple Number Windward/Leeward High1.0456
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Predominantly Upwind573.61.0460
Predominantly Downwind542.61.1058
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance579.21.0359
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium528.01.1364
Triple Number Coastal/Long Distance High472.31.2703
Triple Number Windward/Leeward Low883.00.6795
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1459.4976.0740.3616.7547.2511.2482.3432.8415.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low682.00.8798
Triple Number AP Medium528.01.1363
Triple Number AP High472.31.2703
Triple Number Windward/Leeward Low921.70.6510
Triple Number Windward/Leeward Medium652.60.9194
Triple Number Windward/Leeward High573.81.0456
Single Number Predominant Upwind596.81.0054
Single Number Predominant Reaching526.41.1398
Single Number Predominant Downwind565.61.0607
Predominant Upwind - Low822.20.7298
Predominant Upwind - Low/Med628.40.9549
Predominant Upwind - Medium555.01.0810
Predominant Upwind - Med/High520.31.1531
Predominant Upwind - High504.21.1900
Predominant Downwind Low822.70.7293
Predominant Downwind Low/Med611.40.9814
Predominant Downwind Medium524.01.1451
Predominant Downwind Med/High470.31.2757
Predominant Downwind High435.31.3784
Predominant Reaching Low726.00.8264
Predominant Reaching Low/Med557.61.0760
Predominant Reaching Medium492.91.2172
Predominant Reaching Med/High455.31.3177
Predominant Reaching High429.41.3972
SA/DSPL Upwind23.55SA/DSPL Downwind39.78
Scoring OptionTODTOT
5-Band Windward/Leeward Low1029.50.5828
5-Band Windward/Leeward Low/Med755.50.7941
5-Band Windward/Leeward Medium641.60.9351
5-Band Windward/Leeward Med/High581.61.0316
5-Band Windward/Leeward High554.61.0818
Windward/Leeward 60-40 Low1033.70.5805
Windward/Leeward 60-40 Low/Med763.10.7863
Windward/Leeward 60-40 Medium652.70.9193
Windward/Leeward 60-40 Med/High597.31.0045
Windward/Leeward 60-40 High574.31.0448
5-Band AP Low751.30.7986
5-Band AP Low/Med596.21.0063
5-Band AP Medium520.81.1521
5-Band AP Med/High478.71.2533
5-Band AP High455.71.3167
5-Band SF Bay Tour - Low887.50.6761
5-Band SF Bay Tour - Low/Med721.60.8315
5-Band SF Bay Tour - Medium617.80.9712
5-Band SF Bay Tour - Med/High564.11.0637
5-Band SF Bay Tour - High538.41.1143
Chicago-Mac Upwind0.9753
Chicago-Mac All Purpose1.0031
Chicago-Mac Downwind1.0231
Bayview-Mac Cove Island0.7343
Bayview-Mac Shore0.7402
Harvest Moon Regatta461.01.3015
Club Certificate2025
AMUSE IIIRL 1766
ORC
Central Rating Office
Issuing certificates for
Ireland
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassARCONA 380/385Measurement12/09/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.295Max. Beam3.790Draft2.060Displacement6,950Wetted area30.48IMS L10.514LSM010.300Acc. length11.295Sink (kg/mm) 23.79
VCGD0.033VCGM0.102RM Rated (kg·m) 209.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight718Declared crew weight765
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBW0.110PIPA0.0024
EDL2.785ST10.065ST20.181
ST30.180ST40.076ST50.260
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P16.000IG16.090ISP17.299MDT10.120MDL10.226MDT20.118MDL20.169TL0.900MW0.229GO0.251
E5.400J4.120BAS1.649FSD0.035SFJ0.230SPLWPLTPS4.800BD0.171MWT200.54MCG6.320
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered209.3Flotation Date12/09/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
AMUSE IIIRL 1766
ORC
Central Rating Office
Issuing certificates for
Ireland
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment01.051.903.3250.51
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.661.232.294.4315.75NoNo 35.82
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment017.1516.1616.666.548.1780%95.29
CRUISER/RACER REQUIREMENTS*
Accommodation length11.3 mTable area0.55 m²Headroom1.78 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity133 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity76 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.