International Certificate2026
BLACKWATERTUR 1955
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 Angles46.0°42.7°40.8°39.0°37.5°37.2°37.0°37.1°37.9°
Beat VMG2.613.704.515.085.395.525.605.655.60
52°4.105.636.657.257.547.677.757.827.83
60°4.405.926.897.427.717.877.958.058.08
75°4.636.127.047.547.868.108.268.448.54
90°4.505.996.987.547.898.188.448.849.08
110°4.215.887.077.708.128.468.719.119.39
120°4.065.706.907.618.078.508.919.5810.10
135°3.545.106.337.237.788.238.699.7411.23
150°2.944.325.516.537.307.808.229.1310.28
Run VMG2.543.744.775.676.437.057.548.339.17
Gybe Angles140.2°144.4°148.9°152.3°157.9°165.1°171.4°176.3°167.8°
APH ToD:527.2CDL: 10.296APH ToT: 1.1382CertNo:
BOAT
ClassFIRST 40.7DesignerFARRBuilderBENETEAUAge date01/1998Series date01/1997Offset fileFIRST407.offData fileTUR1955
HULL
Length Overall11.924 mMaximum Beam3.770 mDraft2.403 mDisplacement6,769 kgDLR6.2748IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight850 kg(declared)Minimum weight720 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail46.6547.64Headsail Luffed42.8042.80Headsail FlyingSymmetric111.67111.67Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail13.51Storm Jib12.24Heavy Weather Jib33.03
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
STABILITY
Righting Moment 174.6 kg·m Stability Index 122.5
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.
ORC Ref  04590004K8K Issued on 03/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
BLACKWATERTUR 1955
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 VMG1377.8971.7798.1708.7667.8651.6642.9637.1642.4
52°878.3639.6541.3496.9477.5469.2464.7460.4459.9
60°817.4608.1522.4485.1467.0457.5452.6447.2445.4
75°777.2588.6511.0477.2457.8444.6435.7426.7421.5
90°799.5601.0515.9477.6456.5440.2426.3407.1396.6
110°855.5611.8509.4467.3443.5425.6413.5395.3383.2
120°886.8631.1521.9473.3446.1423.8404.1376.0356.6
135°1017.6705.4568.4497.9462.5437.4414.2369.7320.5
150°1226.0832.9653.0551.3493.2461.4438.0394.4350.1
Run VMG1415.6961.7754.0635.1560.0510.4477.2432.2392.6
Selected Courses
Windward / Leeward1396.7966.7776.0671.9613.9581.0560.0534.6517.5
All purpose1052.4745.2611.9544.5508.4487.2472.5451.7436.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward643.40.9325
All purpose527.21.1382
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8271
Downwind "popa"0.9698
70% up, 30% down "Ilhabela"0.8653
30% up, 70% down "Ilhabela-inverso"0.9221
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Predominantly Upwind567.01.0581
Predominantly Downwind538.71.1137
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP548.81.0934 Predom. Rc High427.31.4041 5B SF Bay L/M708.00.8474 TriNum AP Low678.50.8843 Predom. Dn Low833.20.7201 5B SF Bay Med605.90.9902 TriNum AP Med523.81.1454 Predom. Dn L/M611.00.9820 5B SF Bay M/H550.61.0897 TriNum AP High468.41.2810 Predom. Dn Med519.51.1549 5B SF Bay High524.81.1433 TriNum W/L Low913.50.6568 Predom. Dn M/H462.31.2977 5B AP Low756.30.7934 TriNum W/L Med638.60.9396 Predom. Dn High427.11.4047 5B AP L/M592.51.0127 TriNum W/L Hig555.81.0796 ChiMac Up Low716.60.8373 5B AP Med516.51.1617 Predom. Upwind590.71.0157 ChiMac Up Med645.70.9292 5B AP M/H474.51.2645 Predom. Reaching527.91.1365 ChiMac Up High564.21.0635 5B AP High452.61.3258 Predom. Downwind563.41.0649 ChiMac Off Low713.90.8405 5B W/L Low1026.60.5845 Predom. Up Low817.60.7338 ChiMac Off Med628.50.9546 5B W/L L/M743.50.8070 Predom. Up L/M621.10.9660 ChiMac Off High527.51.1374 5B W/L Med627.10.9568 Predom. Up Med548.61.0936 ChiMac AP Low711.80.8429 5B W/L M/H563.81.0642 Predom. Up M/H513.31.1689 ChiMac AP Med634.80.9452 5B W/L High536.11.1193 Predom. Up High497.81.2054 ChiMac AP High544.51.1019 W/L 60-40 Low1027.20.5841 Predom. Rc Low734.60.8167 BayMac Cove Island818.90.7327 W/L 60-40 L/M749.40.8007 Predom. Rc L/M560.31.0709 BayMac Shore811.80.7391 W/L 60-40 Med637.80.9407 Predom. Rc Med493.41.2162 Harvest Moon467.01.2849 W/L 60-40 M/H580.21.0342 Predom. Rc M/H452.81.3251 5B SF Bay Low862.70.6955 W/L 60-40 High556.71.0779      SA/DSPL Up24.84SA/DSPL Dn43.96
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance572.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating572.71.0477
FinRating, kevyt tuuli1012.00.9882
FinRating, kova tuuli455.21.0984
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0477
Triple Number Coastal/Long Distance Low0.8843
Triple Number Coastal/Long Distance Medium1.1455
Triple Number Coastal/Long Distance High1.2810
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
For information
General Purpose Handicap (GPH)591.9
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Saronikos S All Purpose598.01.0034
Saronikos S Upwind667.50.8988
Saronikos S Downwind518.21.1578
Saronikos N All Purpose629.00.9539
Saronikos N Upwind697.90.8597
Saronikos N Downwind567.01.0581
Saronikos SW All Purpose604.50.9926
Saronikos SW Upwind688.00.8721
Saronikos SW Downwind525.91.1409
Saronikos NE All Purpose655.10.9158
Saronikos NE Upwind657.10.9131
Saronikos NE Downwind638.70.9394
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose548.81.0934
5-Band All Purpose Low821.30.7306
5-Band All Purpose L/M614.40.9766
5-Band All Purpose Med533.31.1252
5-Band All Purpose M/H487.21.2315
5-Band All Purpose High462.11.2983
Single Number Predominant Upwind565.71.0606
Single Number Predominant Reaching507.91.1812
Single Number Predominant Downwind539.51.1121
5-Band 50-50 Windward/Leeward Low1026.60.5845
5-Band 50-50 Windward/Leeward L/M743.50.8070
5-Band 50-50 Windward/Leeward Med627.10.9568
5-Band 50-50 Windward/Leeward M/H563.81.0642
5-Band 50-50 Windward/Leeward High536.11.1193
5-Band 60-40 Windward/Leeward Low1027.20.5841
5-Band 60-40 Windward/Leeward L/M749.40.8007
5-Band 60-40 Windward/Leeward Med637.80.9407
5-Band 60-40 Windward/Leeward M/H580.21.0342
5-Band 60-40 Windward/Leeward High556.71.0779
Triple Number 50-50 Windward/Leeward Low913.50.6568
Triple Number 50-50 Windward/Leeward Med638.60.9395
Triple Number 50-50 Windward/Leeward High555.81.0796
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward654.10.9172
Triple Number 60-40 Windward/Leeward Low915.90.6551
Triple Number 60-40 Windward/Leeward Med648.60.9251
Triple Number 60-40 Windward/Leeward High573.21.0468
Triple Number All-Purpose Low737.70.8133
Triple Number All-Purpose Med541.21.1087
Triple Number All-Purpose High480.31.2492
Triple Number Predominant Upwind Low744.80.8056
Triple Number Predominant Upwind Med557.81.0756
Triple Number Predominant Upwind High513.41.1686
Triple Number Predominant Reaching Low667.60.8987
Triple Number Predominant Reaching Med507.41.1826
Triple Number Predominant Reaching High438.41.3685
Triple Number Predominant Downwind Low742.60.8080
Triple Number Predominant Downwind Med530.01.1322
Triple Number Predominant Downwind High444.81.3488
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low678.5
Triple Number Coastal/Long Distance Medium523.8
Triple Number Coastal/Long Distance High468.4
Triple Number Windward/Leeward Low871.3
Triple Number Windward/Leeward Medium638.6
Triple Number Windward/Leeward High555.8
Predominantly Upwind567.0
Predominantly Downwind538.7
Predominantly Reaching516.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8843
Triple Number Coastal/Long Distance Medium1.1455
Triple Number Coastal/Long Distance High1.2810
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0796
Coastal/Long Distance1.0477
Predominantly Upwind1.0581
Predominantly Downwind1.1137
For information
General Purpose Handicap (GPH)591.9
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1382
Distanseseilas Trippeltall svak vind0.8843
Distanseseilas Trippeltall mellomvind1.1455
Distanseseilas Trippeltall sterk vind1.2810
Pølsebane Trippeltall svak vind0.6886
Pølsebane Trippeltall mellomvind0.9396
Pølsebane Trippeltall sterk vind1.0796
Motvind Singeltall1.0581
Medvind Singeltall1.1137
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Coastal/Long Distance572.71.0477
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind567.01.0581
Predominantly Downwind538.71.1137
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore522.61.1480
Cape Doctor Coastal440.71.3615
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8843
Triple Number Coastal/Long Distance Medium1.1455
Triple Number Coastal/Long Distance High1.2810
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0796
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8843
Triple Number Coastal/Long Distance Medium1.1455
Triple Number Coastal/Long Distance High1.2810
Triple Number Windward/Leeward Low0.6886
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0796
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Predominantly Upwind567.01.0581
Predominantly Downwind538.71.1137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.71.0477
Triple Number Coastal/Long Distance Low678.50.8843
Triple Number Coastal/Long Distance Medium523.81.1455
Triple Number Coastal/Long Distance High468.41.2810
Triple Number Windward/Leeward Low871.30.6886
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.81.0796
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1398.6966.2731.5609.5541.0505.2477.3433.6418.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP548.81.0934 Predom. Dn High427.11.4047 5B AP M/H474.51.2645 TriNum AP Low678.50.8843 Predom. Rc Low734.60.8167 5B AP High452.61.3258 TriNum AP Med523.81.1454 Predom. Rc L/M560.31.0709 5B SF Bay Low862.70.6955 TriNum AP High468.41.2810 Predom. Rc Med493.41.2162 5B SF Bay L/M708.00.8474 TriNum W/L Low913.50.6568 Predom. Rc M/H452.81.3251 5B SF Bay Med605.90.9902 TriNum W/L Med638.60.9396 Predom. Rc High427.31.4041 5B SF Bay M/H550.61.0897 TriNum W/L Hig555.81.0796 5B W/L Low1026.60.5845 5B SF Bay High524.81.1433 Predom. Upwind590.71.0157 5B W/L L/M743.50.8070 ChiMac Up Low716.60.8373 Predom. Reaching527.91.1365 5B W/L Med627.10.9568 ChiMac Up Med645.70.9292 Predom. Downwind563.41.0649 5B W/L M/H563.81.0642 ChiMac Up High564.21.0635 Predom. Up Low817.60.7338 5B W/L High536.11.1193 ChiMac Off Low713.90.8405 Predom. Up L/M621.10.9660 W/L 60-40 Low1027.20.5841 ChiMac Off Med628.50.9546 Predom. Up Med548.61.0936 W/L 60-40 L/M749.40.8007 ChiMac Off High527.51.1374 Predom. Up M/H513.31.1689 W/L 60-40 Med637.80.9407 ChiMac AP Low711.80.8429 Predom. Up High497.81.2054 W/L 60-40 M/H580.21.0342 ChiMac AP Med634.80.9452 Predom. Dn Low833.20.7201 W/L 60-40 High556.71.0779 ChiMac AP High544.51.1019 Predom. Dn L/M611.00.9820 5B AP Low756.30.7934 BayMac Cove Island818.90.7327 Predom. Dn Med519.51.1549 5B AP L/M592.51.0127 BayMac Shore811.80.7391 Predom. Dn M/H462.31.2977 5B AP Med516.51.1617 Harvest Moon467.01.2849      SA/DSPL Up24.84SA/DSPL Dn43.96
ORC Ref  04590004K8K Issued on 03/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
BLACKWATERTUR 1955
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 40.7Measurement27/03/2026HINPlan review27.03.2026Hull constructionSolidCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall11.924Maximum beam3.770Draft2.403Displacement6,769Wetted area29.42IMS L10.593LSM010.255Accomod. length11.924Sink (kg/mm) 21.79
VCGD-0.086VCGM-0.029 RM Rated (kg·m) 174.6Limit of positive stability(°) 120.8 Stability Index 122.5 BLR index 0.0000Default crew weight714 Declared crew weight 850
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBWPIPA0.0031
EDL2.250ST10.050ST20.175
ST30.175ST40.096ST50.280
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders3Rotating mastNo
P14.900IG15.570ISP16.530MDT10.130MDL10.240MDT20.110MDL20.175TL0.670MW0.240GO0.260
E5.180J4.390BAS1.705FSD0.037SFJ0.000SPL4.480WPLTPSBD0.190MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date24/03/2026MeasurerTUR-01 BECommentPerfect conditions
SFFP0.292FFM1.357FF1.356LCFcl6.457SG1.0230
SAFP11.313FAM1.141FA1.148LCFsh6.706HBI1.228
W174.2W274.2W374.2W474.2LCFD9.960
PD1178.0PD2175.6PD3184.5PD4178.4
WD5.350PLM9000.00GSA1.0RSA1.0RM174.6
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGFFuel135409.35-0.05W0,80 prtWater150105.37-0.10W0,80 stbWater150105.37-0.10GWWater9004.06-0.10BBoiler 0,30 prtWater22107.77-0.10Total deductible647.85-0.07
OTHER ITEMSIdKindDescriptionWeightLCGVCGEq1MiscellaneousWindlass241.101.20B1Battery130 Amp Service317.40-0.15B2Battery130 Amp Service317.40-0.15B3Battery130 Amp Start317.40-0.15EngEngine (IC)Volvo MD 20-407.80Total deductible0
ORC Ref  04590004K8K Issued on 03/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
BLACKWATERTUR 1955
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA1.092.003.4246.65
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.711.402.825.8514.75NoNo 42.80
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA16.5216.5116.528.167.93111.67
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04590004K8K Issued on 03/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org