Club
Certificate
2024

Boat

SEABIRD

EST 337

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.7°41.4°39.7°38.3°37.8°37.5°37.9°38.9°
Beat VMG3.203.914.424.764.914.984.994.90
52°4.895.816.396.736.906.977.027.00
60°5.156.056.586.897.087.177.257.26
75°5.316.226.737.047.287.477.667.75
90°5.186.186.807.137.347.608.018.24
110°5.216.316.947.357.728.028.418.74
120°5.046.166.867.307.718.108.849.37
135°4.525.626.497.027.437.858.7510.11
150°3.774.855.806.557.037.418.199.17
Run VMG3.264.205.035.766.346.837.578.30
Gybe Angles145.1°149.2°150.7°157.2°168.2°176.8°178.1°177.2°
APH ToD:592.1CDL: 8.399APH ToT: 1.0134CertNo:116/21
BOAT
ClassFirst 31.7DesignerFarrBuilderBeneteau S.A.Age date05/2003Series date02/1998Offset fileFIRST317-EST337.offData fileEST337
HULL
Length Overall9.610 mMaximum Beam3.212 mDraft1.925 mDisplacement3,726 kgDLR5.2765IMS DivisionCruiser/RacerDynamic Allowance0.300%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight500 kg(declared)Minimum weight370 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.9325.46Headsail Luffed27.4927.49Headsail FlyingSymmetric66.9266.92Asymmetric
STORM SAIL AREAS (m²)
Trysail7.34Storm Jib6.99Heavy Weather Jib18.86
SAIL LIMITS
Headsails1  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
ex. Evelyn II
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
Certificate
2024

Boat

SEABIRD

EST 337

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1126.6920.8814.1756.4733.1723.5721.7735.3
52°736.9619.7563.1535.2522.0516.7512.6514.3
60°699.3594.8546.8522.4508.8502.0496.3496.0
75°678.3579.1535.0511.2494.4482.1469.9464.3
90°694.7582.5529.6505.2490.3473.7449.5436.9
110°691.3570.5518.6489.6466.6448.9428.1412.1
120°714.2584.8525.2493.3467.2444.5407.3384.4
135°796.9640.3554.4512.9484.5458.8411.4356.2
150°955.6742.4620.5549.2512.3485.9439.5392.6
Run VMG1103.4857.3716.2625.4567.6526.8475.7433.7
Selected Courses
Windward / Leeward1115.0889.0765.1690.9650.4625.1598.7584.5
All purpose856.1696.7614.3568.6542.7525.1502.4487.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward727.50.8248
All purpose592.11.0134
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7246
Downwind "popa"0.8620
70% up, 30% down "Ilhabela"0.7610
30% up, 70% down "Ilhabela-inverso"0.8156
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Predominantly Upwind640.10.9374
Predominantly Downwind604.40.9928
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low776.40.7728
Triple Number AP Medium588.11.0202
Triple Number AP High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Single Number Predominant Upwind638.60.9395
Single Number Predominant Reaching569.31.0539
Single Number Predominant Downwind605.10.9915
Predominant Upwind - Low855.00.7018
Predominant Upwind - Low/Med707.80.8477
Predominant Upwind - Medium617.30.9719
Predominant Upwind - Med/High573.61.0460
Predominant Upwind - High557.41.0764
Predominant Downwind Low859.00.6985
Predominant Downwind Low/Med690.90.8684
Predominant Downwind Medium580.81.0331
Predominant Downwind Med/High513.51.1685
Predominant Downwind High474.31.2650
Predominant Reaching Low765.50.7838
Predominant Reaching Low/Med632.90.9480
Predominant Reaching Medium550.91.0892
Predominant Reaching Med/High503.51.1918
Predominant Reaching High475.01.2632
SA/DSPL Upwind21.72SA/DSPL Downwind38.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1063.70.5641
5-Band Windward/Leeward Low/Med849.40.7064
5-Band Windward/Leeward Medium707.60.8480
5-Band Windward/Leeward Med/High630.50.9517
5-Band Windward/Leeward High600.80.9986
Windward/Leeward 60-40 Low1066.90.5624
Windward/Leeward 60-40 Low/Med857.30.6998
Windward/Leeward 60-40 Medium720.70.8326
Windward/Leeward 60-40 Med/High649.90.9232
Windward/Leeward 60-40 High625.50.9592
5-Band AP Low819.90.7318
5-Band AP Low/Med672.20.8925
5-Band AP Medium578.91.0364
5-Band AP Med/High527.91.1366
5-Band AP High503.71.1912
5-Band SF Bay Tour - Low1008.70.5948
5-Band SF Bay Tour - Low/Med811.20.7396
5-Band SF Bay Tour - Medium683.20.8782
5-Band SF Bay Tour - Med/High615.90.9742
5-Band SF Bay Tour - High588.81.0190
Chicago-Mac Upwind0.9194
Chicago-Mac All Purpose0.9436
Chicago-Mac Downwind0.9744
Bayview-Mac Cove Island0.8721
Bayview-Mac Shore0.8822
Harvest Moon Regatta513.01.1695
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance644.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7728
Triple Number Coastal/Long Distance Medium1.0203
Triple Number Coastal/Long Distance High1.1516
Triple Number Windward/Leeward Low0.5988
Triple Number Windward/Leeward Medium0.8310
Triple Number Windward/Leeward High0.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low776.4
Triple Number Coastal/Long Distance Medium588.1
Triple Number Coastal/Long Distance High521.0
Triple Number Windward/Leeward Low1002.0
Triple Number Windward/Leeward Medium722.0
Triple Number Windward/Leeward High621.5
Predominantly Upwind640.1
Predominantly Downwind604.4
Predominantly Reaching579.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7728
Triple Number Coastal/Long Distance Medium1.0203
Triple Number Coastal/Long Distance High1.1516
Triple Number Windward/Leeward Low0.5988
Triple Number Windward/Leeward Medium0.8310
Triple Number Windward/Leeward High0.9654
Coastal/Long Distance0.9306
Predominantly Upwind0.9374
Predominantly Downwind0.9928
For information
General Purpose Handicap (GPH)667.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7728
Tretall Distanseseilas Mellomvind1.0203
Tretall Distanseseilas Mye vind1.1516
Tretall Pølsebane Lite vind0.5988
Tretall Pølsebane Mellomvind0.8310
Tretall Pølsebane Mye vind0.9654
Distanseseilas ett tall1.0134
Enkeltall Motvind0.9374
Enkeltall Medvind0.9928
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Coastal/Long Distance644.80.9306
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind640.10.9374
Predominantly Downwind604.40.9928
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore588.81.0191
Cape Doctor Coastal491.61.2205
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7728
Triple Number Coastal/Long Distance Medium1.0203
Triple Number Coastal/Long Distance High1.1516
Triple Number Windward/Leeward Low0.5988
Triple Number Windward/Leeward Medium0.8310
Triple Number Windward/Leeward High0.9654
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7728
Triple Number Coastal/Long Distance Medium1.0203
Triple Number Coastal/Long Distance High1.1516
Triple Number Windward/Leeward Low0.5988
Triple Number Windward/Leeward Medium0.8310
Triple Number Windward/Leeward High0.9654
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Predominantly Upwind640.10.9374
Predominantly Downwind604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.80.9306
Triple Number Coastal/Long Distance Low776.40.7728
Triple Number Coastal/Long Distance Medium588.11.0203
Triple Number Coastal/Long Distance High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1113.8836.5690.9606.0563.2530.6479.5463.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low776.40.7728
Triple Number AP Medium588.11.0202
Triple Number AP High521.01.1516
Triple Number Windward/Leeward Low1002.00.5988
Triple Number Windward/Leeward Medium722.00.8310
Triple Number Windward/Leeward High621.50.9654
Single Number Predominant Upwind638.60.9395
Single Number Predominant Reaching569.31.0539
Single Number Predominant Downwind605.10.9915
Predominant Upwind - Low855.00.7018
Predominant Upwind - Low/Med707.80.8477
Predominant Upwind - Medium617.30.9719
Predominant Upwind - Med/High573.61.0460
Predominant Upwind - High557.41.0764
Predominant Downwind Low859.00.6985
Predominant Downwind Low/Med690.90.8684
Predominant Downwind Medium580.81.0331
Predominant Downwind Med/High513.51.1685
Predominant Downwind High474.31.2650
Predominant Reaching Low765.50.7838
Predominant Reaching Low/Med632.90.9480
Predominant Reaching Medium550.91.0892
Predominant Reaching Med/High503.51.1918
Predominant Reaching High475.01.2632
SA/DSPL Upwind21.72SA/DSPL Downwind38.05
Scoring OptionTODTOT
5-Band Windward/Leeward Low1063.70.5641
5-Band Windward/Leeward Low/Med849.40.7064
5-Band Windward/Leeward Medium707.60.8480
5-Band Windward/Leeward Med/High630.50.9517
5-Band Windward/Leeward High600.80.9986
Windward/Leeward 60-40 Low1066.90.5624
Windward/Leeward 60-40 Low/Med857.30.6998
Windward/Leeward 60-40 Medium720.70.8326
Windward/Leeward 60-40 Med/High649.90.9232
Windward/Leeward 60-40 High625.50.9592
5-Band AP Low819.90.7318
5-Band AP Low/Med672.20.8925
5-Band AP Medium578.91.0364
5-Band AP Med/High527.91.1366
5-Band AP High503.71.1912
5-Band SF Bay Tour - Low1008.70.5948
5-Band SF Bay Tour - Low/Med811.20.7396
5-Band SF Bay Tour - Medium683.20.8782
5-Band SF Bay Tour - Med/High615.90.9742
5-Band SF Bay Tour - High588.81.0190
Chicago-Mac Upwind0.9194
Chicago-Mac All Purpose0.9436
Chicago-Mac Downwind0.9744
Bayview-Mac Cove Island0.8721
Bayview-Mac Shore0.8822
Harvest Moon Regatta513.01.1695

Club
Certificate
2024

Boat

SEABIRD

EST 337

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFirst 31.7Measurement12/04/2010HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.610Max. Beam3.212Draft1.925Displacement3,726Wetted area20.47IMS L9.003LSM08.904Acc. length9.610Sink (kg/mm) 15.72
VCGD0.121VCGM0.081RM Rated (kg·m) 79.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight583Declared crew weight500
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0031
EDL2.550ST10.047ST20.175
ST30.175ST40.096ST50.305
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P10.780IG11.750ISP11.790MDT10.101MDL10.156MDT20.101MDL20.156TLMW0.156GO0.176
E3.890J3.490BAS1.712FSD0.026SFJ0.050SPL3.570WPLTPSBD0.108MWTMCG4.500
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date20/04/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

SEABIRD

EST 337

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1a0.160.801.462.503.2724.93
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment40.080.161.192.403.654.9611.50NoNo 27.49
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment311.8111.8111.816.856.6066.9211/04/2022211.6611.6611.666.226.0260.05
CRUISER/RACER REQUIREMENTS*
Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity42 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.