Club Certificate2025
LOBSTER STTUR 1635
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 Angles42.6°42.6°40.4°38.9°37.4°36.7°36.7°36.4°37.0°
Beat VMG2.723.774.605.205.555.705.805.895.88
52°4.245.716.767.397.737.907.988.088.12
60°4.506.007.007.577.908.098.198.328.37
75°4.666.187.157.698.038.298.498.728.85
90°4.576.197.327.898.168.358.619.079.36
110°4.636.297.468.078.528.919.179.6210.03
120°4.466.127.347.998.468.919.3610.1210.78
135°3.905.476.757.608.128.589.0610.1612.16
150°3.234.585.776.807.578.088.519.4610.73
Run VMG2.793.975.005.906.677.297.788.599.48
Gybe Angles142.0°142.0°146.0°152.1°157.4°164.6°170.0°172.7°166.0°
APH ToD:509.5CDL: 10.944APH ToT: 1.1777CertNo:
BOAT
ClassFirst 40DesignerFarrBuilderBeneteauAge date01/2012Series date10/2008Offset fileFIRST40-FINKEEL.offData fileTUR 1635 LOBSTER ST
HULL
Length Overall12.240 mMaximum Beam3.898 mDraft2.477 mDisplacement7,805 kgDLR5.8480IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight955 kg(declared)Minimum weight812 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.7452.79Headsail Luffed38.9838.98Headsail FlyingSymmetric136.44136.44Asymmetric133.88133.88 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.07Storm Jib13.67Heavy Weather Jib36.90
SAIL LIMITS
Headsails6Spinnakers5
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
IRC ENDORSED 2024 cockpitbox & table removed
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
LOBSTER STTUR 1635
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 VMG1322.4955.5782.8692.8649.2631.3621.2611.7612.6
52°849.0630.2532.9486.9465.6455.9450.9445.3443.6
60°799.5600.2514.5475.8456.0445.2439.5432.8430.0
75°772.0583.0503.4468.3448.5434.2423.9412.9406.6
90°788.1582.0491.8456.3441.1430.9417.9396.8384.6
110°777.9572.6482.4445.9422.5404.2392.7374.4358.9
120°806.9588.3490.6450.7425.7403.9384.5355.6334.0
135°922.8658.1533.5473.7443.2419.4397.5354.4296.0
150°1115.9785.9623.8529.2475.4445.7422.8380.6335.5
Run VMG1289.0907.5720.3610.1540.1494.0462.7418.9379.8
Selected Courses
Windward / Leeward1305.4931.5751.6651.4594.6562.6541.9515.3496.2
All purpose990.1717.4590.6526.6491.9471.4456.6434.8416.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward622.90.9632
All purpose509.51.1777
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8494
Downwind "popa"1.0112
70% up, 30% down "Ilhabela"0.8923
30% up, 70% down "Ilhabela-inverso"0.9565
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Predominantly Upwind550.21.0906
Predominantly Downwind518.31.1576
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low654.00.9174
Triple Number AP Medium506.61.1844
Triple Number AP High452.11.3272
Triple Number Windward/Leeward Low877.90.6834
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Single Number Predominant Upwind572.21.0486
Single Number Predominant Reaching508.41.1803
Single Number Predominant Downwind539.81.1115
Predominant Upwind - Low790.30.7593
Predominant Upwind - Low/Med603.60.9940
Predominant Upwind - Medium532.51.1268
Predominant Upwind - Med/High497.21.2069
Predominant Upwind - High480.01.2501
Predominant Downwind Low786.20.7631
Predominant Downwind Low/Med584.91.0258
Predominant Downwind Medium500.61.1985
Predominant Downwind Med/High447.11.3419
Predominant Downwind High411.81.4570
Predominant Reaching Low701.90.8548
Predominant Reaching Low/Med538.11.1150
Predominant Reaching Medium476.31.2596
Predominant Reaching Med/High439.01.3666
Predominant Reaching High412.81.4535
SA/DSPL Upwind22.90SA/DSPL Downwind47.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low980.10.6122
5-Band Windward/Leeward Low/Med719.60.8338
5-Band Windward/Leeward Medium607.40.9878
5-Band Windward/Leeward Med/High545.41.1002
5-Band Windward/Leeward High516.61.1615
Windward/Leeward 60-40 Low984.90.6092
Windward/Leeward 60-40 Low/Med727.00.8253
Windward/Leeward 60-40 Medium618.40.9703
Windward/Leeward 60-40 Med/High561.01.0695
Windward/Leeward 60-40 High536.01.1195
5-Band AP Low721.20.8320
5-Band AP Low/Med572.11.0487
5-Band AP Medium499.51.2012
5-Band AP Med/High458.41.3090
5-Band AP High435.41.3781
5-Band SF Bay Tour - Low845.60.7096
5-Band SF Bay Tour - Low/Med687.70.8725
5-Band SF Bay Tour - Medium586.61.0229
5-Band SF Bay Tour - Med/High531.81.1282
5-Band SF Bay Tour - High504.71.1888
Chicago-Mac Upwind1.0168
Chicago-Mac All Purpose1.0469
Chicago-Mac Downwind1.0711
Bayview-Mac Cove Island0.7680
Bayview-Mac Shore0.7733
Harvest Moon Regatta445.61.3465
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance553.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating553.91.0832
FinRating, kevyt tuuli961.71.0398
FinRating, kova tuuli437.81.1421
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0832
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1845
Triple Number Coastal/Long Distance High1.3272
Triple Number Windward/Leeward Low0.7130
Triple Number Windward/Leeward Medium0.9699
Triple Number Windward/Leeward High1.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
For information
General Purpose Handicap (GPH)571.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low654.0
Triple Number Coastal/Long Distance Medium506.5
Triple Number Coastal/Long Distance High452.1
Triple Number Windward/Leeward Low841.5
Triple Number Windward/Leeward Medium618.6
Triple Number Windward/Leeward High537.1
Predominantly Upwind550.2
Predominantly Downwind518.3
Predominantly Reaching497.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1845
Triple Number Coastal/Long Distance High1.3272
Triple Number Windward/Leeward Low0.7130
Triple Number Windward/Leeward Medium0.9699
Triple Number Windward/Leeward High1.1171
Coastal/Long Distance1.0832
Predominantly Upwind1.0906
Predominantly Downwind1.1576
For information
General Purpose Handicap (GPH)571.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1777
Distanseseilas Trippeltall svak vind0.9174
Distanseseilas Trippeltall mellomvind1.1845
Distanseseilas Trippeltall sterk vind1.3272
Pølsebane Trippeltall svak vind0.7130
Pølsebane Trippeltall mellomvind0.9699
Pølsebane Trippeltall sterk vind1.1171
Motvind Singeltall1.0906
Medvind Singeltall1.1576
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Coastal/Long Distance553.91.0832
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind550.21.0906
Predominantly Downwind518.31.1576
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore501.91.1954
Cape Doctor Coastal422.01.4218
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1845
Triple Number Coastal/Long Distance High1.3272
Triple Number Windward/Leeward Low0.7130
Triple Number Windward/Leeward Medium0.9699
Triple Number Windward/Leeward High1.1171
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1845
Triple Number Coastal/Long Distance High1.3272
Triple Number Windward/Leeward Low0.7130
Triple Number Windward/Leeward Medium0.9699
Triple Number Windward/Leeward High1.1171
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Predominantly Upwind550.21.0906
Predominantly Downwind518.31.1576
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance553.91.0832
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium506.51.1845
Triple Number Coastal/Long Distance High452.11.3272
Triple Number Windward/Leeward Low841.50.7130
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1383.6929.1707.3590.0523.5488.9461.4417.6400.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low654.00.9174
Triple Number AP Medium506.61.1844
Triple Number AP High452.11.3272
Triple Number Windward/Leeward Low877.90.6834
Triple Number Windward/Leeward Medium618.60.9699
Triple Number Windward/Leeward High537.11.1171
Single Number Predominant Upwind572.21.0486
Single Number Predominant Reaching508.41.1803
Single Number Predominant Downwind539.81.1115
Predominant Upwind - Low790.30.7593
Predominant Upwind - Low/Med603.60.9940
Predominant Upwind - Medium532.51.1268
Predominant Upwind - Med/High497.21.2069
Predominant Upwind - High480.01.2501
Predominant Downwind Low786.20.7631
Predominant Downwind Low/Med584.91.0258
Predominant Downwind Medium500.61.1985
Predominant Downwind Med/High447.11.3419
Predominant Downwind High411.81.4570
Predominant Reaching Low701.90.8548
Predominant Reaching Low/Med538.11.1150
Predominant Reaching Medium476.31.2596
Predominant Reaching Med/High439.01.3666
Predominant Reaching High412.81.4535
SA/DSPL Upwind22.90SA/DSPL Downwind47.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low980.10.6122
5-Band Windward/Leeward Low/Med719.60.8338
5-Band Windward/Leeward Medium607.40.9878
5-Band Windward/Leeward Med/High545.41.1002
5-Band Windward/Leeward High516.61.1615
Windward/Leeward 60-40 Low984.90.6092
Windward/Leeward 60-40 Low/Med727.00.8253
Windward/Leeward 60-40 Medium618.40.9703
Windward/Leeward 60-40 Med/High561.01.0695
Windward/Leeward 60-40 High536.01.1195
5-Band AP Low721.20.8320
5-Band AP Low/Med572.11.0487
5-Band AP Medium499.51.2012
5-Band AP Med/High458.41.3090
5-Band AP High435.41.3781
5-Band SF Bay Tour - Low845.60.7096
5-Band SF Bay Tour - Low/Med687.70.8725
5-Band SF Bay Tour - Medium586.61.0229
5-Band SF Bay Tour - Med/High531.81.1282
5-Band SF Bay Tour - High504.71.1888
Chicago-Mac Upwind1.0168
Chicago-Mac All Purpose1.0469
Chicago-Mac Downwind1.0711
Bayview-Mac Cove Island0.7680
Bayview-Mac Shore0.7733
Harvest Moon Regatta445.61.3465
Club Certificate2025
LOBSTER STTUR 1635
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFirst 40Measurement13/10/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.240Max. Beam3.898Draft2.477Displacement7,805Wetted area32.11IMS L11.307LSM011.009Acc. length12.240Sink (kg/mm) 24.24
VCGD-0.034VCGM-0.060RM Rated (kg·m) 204.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight790Declared crew weight955
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBW0.127PIPA0.0037
EDL2.212ST10.042ST20.180
ST30.180ST40.112ST50.310
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P15.800IG16.370ISP18.120MDT10.120MDL10.220MDT20.120MDL20.150TL1.150MW0.220GO0.265
E5.450J4.590BAS1.750FSD0.035SFJSPL5.200WPLTPS4.790BDMWT198.00MCG5.610
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date13/10/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
LOBSTER STTUR 1635
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment11.202.073.5251.74IRC ENDORSED
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.701.302.454.8515.80YesNo 38.98IRC ENDORSED 2024
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment017.7017.7017.709.358.85136.44IRC ENDORSED 2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment018.4817.1517.828.909.4994%133.8806/03/2025maeasured by KAAN IS