Club Certificate2025
LINDAEST1
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
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 Angles43.9°43.9°41.5°39.7°38.9°38.2°37.7°36.8°36.4°
Beat VMG2.443.454.314.965.475.846.066.286.38
52°3.855.296.407.227.848.248.468.678.76
60°4.115.576.677.498.068.438.658.898.99
75°4.245.736.847.678.238.608.849.179.35
90°4.315.927.178.078.598.889.089.339.62
110°4.235.897.238.208.769.149.469.9210.30
120°4.105.727.058.058.679.099.4510.1110.65
135°3.585.096.407.468.268.789.189.9310.68
150°2.934.275.496.537.418.128.619.289.92
Run VMG2.543.704.755.656.427.047.518.288.86
Gybe Angles142.4°142.4°146.0°148.3°148.9°150.7°154.4°161.9°179.9°
APH ToD:513.4CDL: 12.273APH ToT: 1.1687CertNo:247/21
BOAT
ClassCONRAD 54DesignerBuilderst.yachtova,GdanskAge date01/1978Series date06/1972Offset fileC54_G6.offData fileEST1
HULL
Length Overall16.570 mMaximum Beam4.624 mDraft2.920 mDisplacement20,551 kgDLR7.1360IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.456m
CREW
Maximum weight1,100 kg(declared)Minimum weight935 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail57.2158.03Headsail Luffed61.4161.41Headsail FlyingSymmetricAsymmetric170.07172.46 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail16.92Storm Jib20.85Heavy Weather Jib56.30
SAIL LIMITS
Headsails7Spinnakers5
✱ Asymmetric SHALL NOT be tacked on the pole
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
LINDAEST1
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
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 VMG1476.41042.6835.0725.8658.0616.9594.0573.0564.3
52°935.5681.0562.3498.3458.9437.0425.4415.4410.8
60°876.5646.0539.8480.9446.4427.0416.1404.9400.6
75°849.2628.1526.6469.3437.2418.8407.1392.7385.2
90°834.7608.0502.0446.1419.1405.2396.6386.0374.2
110°851.2611.5497.9439.0410.8393.7380.7362.8349.5
120°877.4629.2510.7447.2415.2396.2380.8356.2338.0
135°1005.1707.0562.4482.5435.7410.0392.3362.5337.2
150°1227.2843.7655.8551.5485.5443.4418.2387.8362.8
Run VMG1417.1974.2757.3636.8560.6511.7479.3434.8406.2
Selected Courses
Windward / Leeward1446.41008.4796.2681.3609.3564.3536.7503.9485.2
All purpose1088.9772.5620.7538.8490.5461.7443.7421.8407.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward640.80.9363
All purpose513.41.1687
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8324
Downwind "popa"0.9645
70% up, 30% down "Ilhabela"0.8681
30% up, 70% down "Ilhabela-inverso"0.9207
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Predominantly Upwind555.51.0800
Predominantly Downwind527.91.1366
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low696.60.8613
Triple Number AP Medium510.31.1757
Triple Number AP High440.01.3637
Triple Number Windward/Leeward Low945.30.6348
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Single Number Predominant Upwind581.11.0325
Single Number Predominant Reaching512.31.1711
Single Number Predominant Downwind553.81.0834
Predominant Upwind - Low855.00.7018
Predominant Upwind - Low/Med629.90.9525
Predominant Upwind - Medium533.01.1257
Predominant Upwind - Med/High479.41.2517
Predominant Upwind - High458.41.3088
Predominant Downwind Low845.60.7096
Predominant Downwind Low/Med608.70.9856
Predominant Downwind Medium504.71.1887
Predominant Downwind Med/High443.71.3524
Predominant Downwind High413.21.4521
Predominant Reaching Low750.30.7997
Predominant Reaching Low/Med553.91.0832
Predominant Reaching Medium470.81.2744
Predominant Reaching Med/High425.41.4104
Predominant Reaching High404.31.4842
SA/DSPL Upwind15.65SA/DSPL Downwind29.99
Scoring OptionTODTOT
5-Band Windward/Leeward Low1064.90.5634
5-Band Windward/Leeward Low/Med759.40.7901
5-Band Windward/Leeward Medium623.30.9626
5-Band Windward/Leeward Med/High541.91.1072
5-Band Windward/Leeward High506.31.1850
Windward/Leeward 60-40 Low1071.80.5598
Windward/Leeward 60-40 Low/Med767.70.7816
Windward/Leeward 60-40 Medium633.00.9479
Windward/Leeward 60-40 Med/High553.51.0841
Windward/Leeward 60-40 High520.11.1536
5-Band AP Low776.10.7731
5-Band AP Low/Med595.01.0084
5-Band AP Medium500.71.1984
5-Band AP Med/High447.01.3423
5-Band AP High423.11.4182
5-Band SF Bay Tour - Low912.00.6579
5-Band SF Bay Tour - Low/Med724.30.8284
5-Band SF Bay Tour - Medium598.01.0033
5-Band SF Bay Tour - Med/High523.81.1455
5-Band SF Bay Tour - High491.91.2197
Chicago-Mac Upwind0.9912
Chicago-Mac All Purpose1.0190
Chicago-Mac Downwind1.0382
Bayview-Mac Cove Island0.7190
Bayview-Mac Shore0.7243
Harvest Moon Regatta441.31.3597
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance561.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating561.71.0683
FinRating, kevyt tuuli1046.10.9560
FinRating, kova tuuli426.41.1726
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0683
Triple Number Coastal/Long Distance Low0.8613
Triple Number Coastal/Long Distance Medium1.1759
Triple Number Coastal/Long Distance High1.3637
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9410
Triple Number Windward/Leeward High1.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
For information
General Purpose Handicap (GPH)583.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low696.6
Triple Number Coastal/Long Distance Medium510.2
Triple Number Coastal/Long Distance High440.0
Triple Number Windward/Leeward Low902.3
Triple Number Windward/Leeward Medium637.6
Triple Number Windward/Leeward High531.3
Predominantly Upwind555.5
Predominantly Downwind527.9
Predominantly Reaching500.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8613
Triple Number Coastal/Long Distance Medium1.1759
Triple Number Coastal/Long Distance High1.3637
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9410
Triple Number Windward/Leeward High1.1293
Coastal/Long Distance1.0683
Predominantly Upwind1.0800
Predominantly Downwind1.1366
For information
General Purpose Handicap (GPH)583.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1687
Distanseseilas Trippeltall svak vind0.8613
Distanseseilas Trippeltall mellomvind1.1759
Distanseseilas Trippeltall sterk vind1.3637
Pølsebane Trippeltall svak vind0.6650
Pølsebane Trippeltall mellomvind0.9410
Pølsebane Trippeltall sterk vind1.1293
Motvind Singeltall1.0800
Medvind Singeltall1.1366
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Coastal/Long Distance561.71.0683
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind555.51.0800
Predominantly Downwind527.91.1366
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore490.81.2224
Cape Doctor Coastal411.71.4573
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8613
Triple Number Coastal/Long Distance Medium1.1759
Triple Number Coastal/Long Distance High1.3637
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9410
Triple Number Windward/Leeward High1.1293
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8613
Triple Number Coastal/Long Distance Medium1.1759
Triple Number Coastal/Long Distance High1.3637
Triple Number Windward/Leeward Low0.6650
Triple Number Windward/Leeward Medium0.9410
Triple Number Windward/Leeward High1.1293
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Predominantly Upwind555.51.0800
Predominantly Downwind527.91.1366
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance561.71.0683
Triple Number Coastal/Long Distance Low696.60.8613
Triple Number Coastal/Long Distance Medium510.21.1759
Triple Number Coastal/Long Distance High440.01.3637
Triple Number Windward/Leeward Low902.30.6650
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.81005.0747.3610.6525.5479.4448.3407.0392.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low696.60.8613
Triple Number AP Medium510.31.1757
Triple Number AP High440.01.3637
Triple Number Windward/Leeward Low945.30.6348
Triple Number Windward/Leeward Medium637.60.9410
Triple Number Windward/Leeward High531.31.1293
Single Number Predominant Upwind581.11.0325
Single Number Predominant Reaching512.31.1711
Single Number Predominant Downwind553.81.0834
Predominant Upwind - Low855.00.7018
Predominant Upwind - Low/Med629.90.9525
Predominant Upwind - Medium533.01.1257
Predominant Upwind - Med/High479.41.2517
Predominant Upwind - High458.41.3088
Predominant Downwind Low845.60.7096
Predominant Downwind Low/Med608.70.9856
Predominant Downwind Medium504.71.1887
Predominant Downwind Med/High443.71.3524
Predominant Downwind High413.21.4521
Predominant Reaching Low750.30.7997
Predominant Reaching Low/Med553.91.0832
Predominant Reaching Medium470.81.2744
Predominant Reaching Med/High425.41.4104
Predominant Reaching High404.31.4842
SA/DSPL Upwind15.65SA/DSPL Downwind29.99
Scoring OptionTODTOT
5-Band Windward/Leeward Low1064.90.5634
5-Band Windward/Leeward Low/Med759.40.7901
5-Band Windward/Leeward Medium623.30.9626
5-Band Windward/Leeward Med/High541.91.1072
5-Band Windward/Leeward High506.31.1850
Windward/Leeward 60-40 Low1071.80.5598
Windward/Leeward 60-40 Low/Med767.70.7816
Windward/Leeward 60-40 Medium633.00.9479
Windward/Leeward 60-40 Med/High553.51.0841
Windward/Leeward 60-40 High520.11.1536
5-Band AP Low776.10.7731
5-Band AP Low/Med595.01.0084
5-Band AP Medium500.71.1984
5-Band AP Med/High447.01.3423
5-Band AP High423.11.4182
5-Band SF Bay Tour - Low912.00.6579
5-Band SF Bay Tour - Low/Med724.30.8284
5-Band SF Bay Tour - Medium598.01.0033
5-Band SF Bay Tour - Med/High523.81.1455
5-Band SF Bay Tour - High491.91.2197
Chicago-Mac Upwind0.9912
Chicago-Mac All Purpose1.0190
Chicago-Mac Downwind1.0382
Bayview-Mac Cove Island0.7190
Bayview-Mac Shore0.7243
Harvest Moon Regatta441.31.3597
Club Certificate2025
LINDAEST1
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCONRAD 54Measurement01/10/2019HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA16.570Max. Beam4.624Draft2.920Displacement20,551Wetted area57.93IMS L14.244LSM014.226Acc. length15.028Sink (kg/mm) 39.58
VCGD-0.100VCGM-0.028RM Rated (kg·m) 491.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight1,138Declared crew weight1,100
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.456PBWPIPA0.0008
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders3Rotating mastNo
P18.030IG20.420ISP20.480MDT10.140MDL10.320MDT20.140MDL20.320TLMWGO
E5.360J6.930BAS1.930FSD0.045SFJ0.530SPL6.997WPLTPS7.460BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date01/10/2019
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
LINDAEST1
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.201.172.013.454.4257.2118/10/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment30.100.841.583.094.616.1019.87YesNo 61.4117/10/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment220.7218.8019.769.8512.2480%170.0709/04/2021
CRUISER/RACER REQUIREMENTS*
Accommodation length15.0 mTable area0.77 m²Headroom1.90 mMinimum number of berths7Personal gear stowage0.28 m³Fresh water capacity315 lMinimum number of seats in cockpit7Food stowage0.42 m³Fuel capacity150 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.