International Certificate2025
PiiskaEST335
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 Angles42.4°42.4°40.3°37.3°36.6°36.4°36.4°37.0°39.3°
Beat VMG2.433.354.054.464.604.664.694.704.53
52°3.785.045.856.196.346.436.486.546.48
60°4.035.276.006.336.536.646.716.816.79
75°4.195.406.076.466.766.987.117.307.38
90°4.155.446.206.536.837.187.487.908.16
110°4.175.466.286.807.237.567.878.469.17
120°4.005.316.166.707.277.838.359.2210.18
135°3.444.775.796.366.877.458.2010.3612.53
150°2.804.025.095.926.446.927.468.9712.15
Run VMG2.433.484.415.195.806.276.707.7810.52
Gybe Angles145.3°145.3°150.1°156.2°165.1°170.5°169.1°154.1°145.9°
APH ToD:599.8CDL: 7.149APH ToT: 1.0003CertNo:014/20
BOAT
ClassPLATU 25DesignerFARRBuilderBENETEAUAge date03/1998Series date01/1997Offset fileplatu25.OD.offData fileEST335
HULL
Length Overall7.530 mMaximum Beam2.580 mDraft1.592 mDisplacement1,233 kgDLR4.3452IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight400 kg(declared)Minimum weight270 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail20.1820.65Headsail Luffed11.8211.82Headsail FlyingSymmetric42.6642.66Asymmetric
STORM SAIL AREAS (m²)
Trysail6.01Storm Jib4.24Heavy Weather Jib11.45
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment17.9 kg·mStability Index108.5
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.
International Certificate2025
PiiskaEST335
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 VMG1479.01075.1889.9807.4782.8772.7767.3766.7794.5
52°951.7714.4615.6581.8567.4560.2555.4550.4555.4
60°893.1683.3600.3569.0551.4542.4536.2528.9529.9
75°859.5666.7592.6557.1532.3515.6506.0492.8488.0
90°867.8662.1580.5551.2527.1501.2481.0455.5441.1
110°864.3658.9573.5529.5498.2476.0457.6425.3392.6
120°899.7678.5584.6537.3495.1459.9430.9390.5353.7
135°1047.2754.4621.9566.1523.9483.0439.0347.6287.3
150°1287.6896.5706.7608.3559.3520.3482.7401.4296.3
Run VMG1484.11035.2816.0693.8620.8574.4537.4462.8342.1
Selected Courses
Windward / Leeward1480.61055.2852.9750.6701.8673.6652.4614.7568.3
All purpose1113.1816.0681.5618.5584.7561.1541.6507.2478.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward729.40.8226
All purpose599.81.0003
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7165
Downwind "popa"0.8860
70% up, 30% down "Ilhabela"0.7601
30% up, 70% down "Ilhabela-inverso"0.8273
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Predominantly Upwind651.70.9207
Predominantly Downwind602.80.9954
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low748.70.8014
Triple Number AP Medium598.21.0030
Triple Number AP High533.61.1245
Triple Number Windward/Leeward Low996.60.6021
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Single Number Predominant Upwind674.80.8891
Single Number Predominant Reaching593.31.0113
Single Number Predominant Downwind624.40.9610
Predominant Upwind - Low895.00.6704
Predominant Upwind - Low/Med702.00.8548
Predominant Upwind - Medium635.60.9440
Predominant Upwind - Med/High599.21.0013
Predominant Upwind - High578.51.0372
Predominant Downwind Low896.50.6693
Predominant Downwind Low/Med678.10.8849
Predominant Downwind Medium587.01.0222
Predominant Downwind Med/High516.51.1616
Predominant Downwind High456.61.3139
Predominant Reaching Low798.50.7514
Predominant Reaching Low/Med630.20.9521
Predominant Reaching Medium564.51.0629
Predominant Reaching Med/High511.41.1733
Predominant Reaching High470.21.2762
SA/DSPL Upwind27.82SA/DSPL Downwind54.62
Scoring OptionTODTOT
5-Band Windward/Leeward Low1111.20.5399
5-Band Windward/Leeward Low/Med824.30.7279
5-Band Windward/Leeward Medium713.60.8408
5-Band Windward/Leeward Med/High653.70.9178
5-Band Windward/Leeward High613.20.9785
Windward/Leeward 60-40 Low1114.90.5382
Windward/Leeward 60-40 Low/Med833.90.7195
Windward/Leeward 60-40 Medium729.40.8226
Windward/Leeward 60-40 Med/High676.90.8864
Windward/Leeward 60-40 High644.90.9304
5-Band AP Low821.60.7303
5-Band AP Low/Med664.80.9025
5-Band AP Medium590.81.0156
5-Band AP Med/High542.71.1056
5-Band AP High508.21.1807
5-Band SF Bay Tour - Low959.00.6256
5-Band SF Bay Tour - Low/Med790.90.7587
5-Band SF Bay Tour - Medium691.70.8674
5-Band SF Bay Tour - Med/High636.00.9434
5-Band SF Bay Tour - High597.61.0041
Chicago-Mac Upwind0.8661
Chicago-Mac All Purpose0.8978
Chicago-Mac Downwind0.9254
Bayview-Mac Cove Island0.6706
Bayview-Mac Shore0.6755
Harvest Moon Regatta516.41.1620
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance648.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating648.60.9251
FinRating, kevyt tuuli1091.30.9164
FinRating, kova tuuli508.50.9834
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9251
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0031
Triple Number Coastal/Long Distance High1.1245
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
For information
General Purpose Handicap (GPH)668.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low748.7
Triple Number Coastal/Long Distance Medium598.1
Triple Number Coastal/Long Distance High533.6
Triple Number Windward/Leeward Low954.0
Triple Number Windward/Leeward Medium723.6
Triple Number Windward/Leeward High643.6
Predominantly Upwind651.7
Predominantly Downwind602.8
Predominantly Reaching582.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0031
Triple Number Coastal/Long Distance High1.1245
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9323
Coastal/Long Distance0.9251
Predominantly Upwind0.9207
Predominantly Downwind0.9954
For information
General Purpose Handicap (GPH)668.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0003
Distanseseilas Trippeltall svak vind0.8014
Distanseseilas Trippeltall mellomvind1.0031
Distanseseilas Trippeltall sterk vind1.1245
Pølsebane Trippeltall svak vind0.6289
Pølsebane Trippeltall mellomvind0.8292
Pølsebane Trippeltall sterk vind0.9323
Motvind Singeltall0.9207
Medvind Singeltall0.9954
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Coastal/Long Distance648.60.9251
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind651.70.9207
Predominantly Downwind602.80.9954
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore582.21.0305
Cape Doctor Coastal487.01.2321
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0031
Triple Number Coastal/Long Distance High1.1245
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9323
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0031
Triple Number Coastal/Long Distance High1.1245
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8292
Triple Number Windward/Leeward High0.9323
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Predominantly Upwind651.70.9207
Predominantly Downwind602.80.9954
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance648.60.9251
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium598.11.0031
Triple Number Coastal/Long Distance High533.61.1245
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.21053.2805.9686.2621.5581.1545.2484.0452.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low748.70.8014
Triple Number AP Medium598.21.0030
Triple Number AP High533.61.1245
Triple Number Windward/Leeward Low996.60.6021
Triple Number Windward/Leeward Medium723.60.8292
Triple Number Windward/Leeward High643.60.9323
Single Number Predominant Upwind674.80.8891
Single Number Predominant Reaching593.31.0113
Single Number Predominant Downwind624.40.9610
Predominant Upwind - Low895.00.6704
Predominant Upwind - Low/Med702.00.8548
Predominant Upwind - Medium635.60.9440
Predominant Upwind - Med/High599.21.0013
Predominant Upwind - High578.51.0372
Predominant Downwind Low896.50.6693
Predominant Downwind Low/Med678.10.8849
Predominant Downwind Medium587.01.0222
Predominant Downwind Med/High516.51.1616
Predominant Downwind High456.61.3139
Predominant Reaching Low798.50.7514
Predominant Reaching Low/Med630.20.9521
Predominant Reaching Medium564.51.0629
Predominant Reaching Med/High511.41.1733
Predominant Reaching High470.21.2762
SA/DSPL Upwind27.82SA/DSPL Downwind54.62
Scoring OptionTODTOT
5-Band Windward/Leeward Low1111.20.5399
5-Band Windward/Leeward Low/Med824.30.7279
5-Band Windward/Leeward Medium713.60.8408
5-Band Windward/Leeward Med/High653.70.9178
5-Band Windward/Leeward High613.20.9785
Windward/Leeward 60-40 Low1114.90.5382
Windward/Leeward 60-40 Low/Med833.90.7195
Windward/Leeward 60-40 Medium729.40.8226
Windward/Leeward 60-40 Med/High676.90.8864
Windward/Leeward 60-40 High644.90.9304
5-Band AP Low821.60.7303
5-Band AP Low/Med664.80.9025
5-Band AP Medium590.81.0156
5-Band AP Med/High542.71.1056
5-Band AP High508.21.1807
5-Band SF Bay Tour - Low959.00.6256
5-Band SF Bay Tour - Low/Med790.90.7587
5-Band SF Bay Tour - Medium691.70.8674
5-Band SF Bay Tour - Med/High636.00.9434
5-Band SF Bay Tour - High597.61.0041
Chicago-Mac Upwind0.8661
Chicago-Mac All Purpose0.8978
Chicago-Mac Downwind0.9254
Bayview-Mac Cove Island0.6706
Bayview-Mac Shore0.6755
Harvest Moon Regatta516.41.1620
International Certificate2025
PiiskaEST335
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPLATU 25MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.530Max. Beam2.580Draft1.592Displacement1,233Wetted area10.46IMS L7.021LSM06.570Acc. length7.530Sink (kg/mm) 7.63
VCGD-0.055VCGM-0.055RM Rated (kg·m) 17.9Limit of positive stability(°) 116.5Stability Index108.5Default crew weight378Declared crew weight400
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P9.405IG9.171ISP9.681MDT10.079MDL10.120MDT20.062MDL20.078TL2.340MW0.121GO0.131
E3.650J2.620BAS1.181FSD0.000SFJ0.000SPL3.380WPLTPSBD0.120MWT35.50MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date27/10/2013
SFFP0.120FFM0.907FF0.907LCFcl4.177SG1.0250
SAFP7.315FAM0.689FA0.689LCFsh4.356HBI0.831
W14.0W28.0W312.0W416.0
PD176.0PD2156.0PD3231.0PD4311.0
WD7.900PLM2510.00GSA19.6RSA6079.4RM17.7
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
International Certificate2025
PiiskaEST335
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.150.741.362.323.0120.1818/04/2023Valge10.160.731.342.283.0020.0218/04/2023Kollane30.160.741.322.253.0019.9318/04/2023Dacron
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.360.691.322.002.638.86YesNo 11.8218/04/2023Valge20.050.360.671.321.972.588.40NoNo 11.0518/04/2023Kollane30.040.310.611.231.832.436.75NoNo 8.2618/04/2023Heavy OSR
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment29.409.409.405.465.3942.6618/04/2023Roheline19.409.409.405.494.8942.0718/04/2023Sinine