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°39.1°37.5°37.2°37.0°37.1°37.9°
Beat VMG2.603.694.505.075.395.525.605.655.60
52°4.085.616.637.237.537.677.757.827.83
60°4.385.906.887.417.707.877.958.058.08
75°4.616.097.037.537.858.098.268.448.54
90°4.485.976.967.537.888.178.448.849.08
110°4.215.897.077.718.128.468.709.109.39
120°4.075.716.917.618.078.508.919.5710.09
135°3.555.116.347.247.798.248.709.7511.26
150°2.944.335.526.547.317.818.239.1410.30
Run VMG2.553.754.785.686.447.067.558.339.18
Gybe Angles140.8°144.6°148.7°152.3°157.9°164.8°171.4°175.9°167.3°
APH ToD:527.3CDL: 10.292APH ToT: 1.1379CertNo:
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)
MeasuredRatedMainsail45.8646.87Headsail Luffed42.8042.80Headsail FlyingSymmetric113.83113.83Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail13.29Storm Jib12.44Heavy Weather Jib33.59
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  04590004J9J Issued on 28/03/2026 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 VMG1384.5975.6800.7710.2668.1651.6642.8637.2642.8
52°882.5641.9542.7497.6477.8469.2464.6460.5460.0
60°821.2610.1523.6485.8467.4457.6452.6447.3445.6
75°780.9590.7512.2477.9458.3444.9435.9426.8421.6
90°803.5603.2517.2477.8457.1440.7426.7407.2396.6
110°854.8611.3509.0467.0443.4425.6413.8395.7383.5
120°885.4630.1521.2472.9445.9423.6404.0376.2356.8
135°1015.5704.2567.7497.2462.0436.9413.6369.1319.7
150°1223.0831.0651.8550.3492.7461.0437.6394.0349.4
Run VMG1412.2959.5752.6634.1559.4510.1477.0432.1392.4
Selected Courses
Windward / Leeward1398.4967.6776.6672.2613.8580.9559.9534.6517.6
All purpose1054.2746.1612.5544.7508.4487.2472.4451.6436.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward643.50.9324
All purpose527.31.1379
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8257
Downwind "popa"0.9711
70% up, 30% down "Ilhabela"0.8646
30% up, 70% down "Ilhabela-inverso"0.9224
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Predominantly Upwind567.51.0573
Predominantly Downwind538.61.1140
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP548.91.0931 Predom. Rc High427.21.4045 5B SF Bay L/M708.60.8468 TriNum AP Low679.30.8833 Predom. Dn Low833.00.7203 5B SF Bay Med605.90.9902 TriNum AP Med523.91.1452 Predom. Dn L/M610.70.9824 5B SF Bay M/H550.41.0900 TriNum AP High468.31.2811 Predom. Dn Med519.31.1554 5B SF Bay High524.71.1434 TriNum W/L Low914.30.6563 Predom. Dn M/H462.21.2983 5B AP Low756.90.7927 TriNum W/L Med638.60.9396 Predom. Dn High426.91.4054 5B AP L/M592.91.0120 TriNum W/L Hig555.71.0798 ChiMac Up Low718.10.8355 5B AP Med516.61.1615 Predom. Upwind591.31.0146 ChiMac Up Med646.70.9277 5B AP M/H474.41.2646 Predom. Reaching528.21.1360 ChiMac Up High564.71.0626 5B AP High452.51.3259 Predom. Downwind563.21.0653 ChiMac Off Low713.70.8407 5B W/L Low1027.50.5839 Predom. Up Low819.90.7318 ChiMac Off Med628.30.9550 5B W/L L/M743.90.8066 Predom. Up L/M622.10.9645 ChiMac Off High527.31.1379 5B W/L Med627.10.9568 Predom. Up Med548.91.0930 ChiMac AP Low712.50.8421 5B W/L M/H563.71.0644 Predom. Up M/H513.31.1689 ChiMac AP Med635.20.9446 5B W/L High536.11.1193 Predom. Up High497.81.2054 ChiMac AP High544.61.1016 W/L 60-40 Low1028.90.5832 Predom. Rc Low735.80.8154 BayMac Cove Island819.60.7320 W/L 60-40 L/M750.10.7999 Predom. Rc L/M560.71.0701 BayMac Shore812.60.7383 W/L 60-40 Med637.90.9406 Predom. Rc Med493.51.2159 Harvest Moon467.11.2847 W/L 60-40 M/H580.11.0343 Predom. Rc M/H452.81.3251 5B SF Bay Low863.70.6946 W/L 60-40 High556.71.0778      SA/DSPL Up24.62SA/DSPL Dn44.34
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance572.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating572.81.0475
FinRating, kevyt tuuli1012.90.9872
FinRating, kova tuuli455.21.0984
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0475
Triple Number Coastal/Long Distance Low0.8833
Triple Number Coastal/Long Distance Medium1.1453
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.6880
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
For information
General Purpose Handicap (GPH)592.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Saronikos S All Purpose598.71.0021
Saronikos S Upwind669.10.8967
Saronikos S Downwind517.71.1589
Saronikos N All Purpose629.60.9530
Saronikos N Upwind699.80.8574
Saronikos N Downwind566.41.0594
Saronikos SW All Purpose605.40.9911
Saronikos SW Upwind690.00.8695
Saronikos SW Downwind525.31.1421
Saronikos NE All Purpose655.70.9150
Saronikos NE Upwind658.90.9105
Saronikos NE Downwind637.90.9406
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose548.91.0931
5-Band All Purpose Low822.40.7296
5-Band All Purpose L/M614.80.9759
5-Band All Purpose Med533.31.1250
5-Band All Purpose M/H487.21.2317
5-Band All Purpose High462.11.2985
Single Number Predominant Upwind566.21.0597
Single Number Predominant Reaching508.21.1807
Single Number Predominant Downwind539.31.1125
5-Band 50-50 Windward/Leeward Low1027.50.5839
5-Band 50-50 Windward/Leeward L/M743.90.8066
5-Band 50-50 Windward/Leeward Med627.10.9568
5-Band 50-50 Windward/Leeward M/H563.71.0644
5-Band 50-50 Windward/Leeward High536.11.1193
5-Band 60-40 Windward/Leeward Low1028.90.5832
5-Band 60-40 Windward/Leeward L/M750.10.7999
5-Band 60-40 Windward/Leeward Med637.90.9406
5-Band 60-40 Windward/Leeward M/H580.11.0343
5-Band 60-40 Windward/Leeward High556.71.0778
Triple Number 50-50 Windward/Leeward Low914.30.6563
Triple Number 50-50 Windward/Leeward Med638.70.9395
Triple Number 50-50 Windward/Leeward High555.71.0798
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward654.40.9169
Triple Number 60-40 Windward/Leeward Low917.20.6542
Triple Number 60-40 Windward/Leeward Med648.80.9248
Triple Number 60-40 Windward/Leeward High573.11.0469
Triple Number All-Purpose Low738.60.8124
Triple Number All-Purpose Med541.31.1085
Triple Number All-Purpose High480.21.2494
Triple Number Predominant Upwind Low746.50.8037
Triple Number Predominant Upwind Med558.21.0749
Triple Number Predominant Upwind High513.51.1686
Triple Number Predominant Reaching Low668.50.8975
Triple Number Predominant Reaching Med507.51.1823
Triple Number Predominant Reaching High438.41.3686
Triple Number Predominant Downwind Low742.40.8081
Triple Number Predominant Downwind Med529.71.1328
Triple Number Predominant Downwind High444.61.3495
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low679.3
Triple Number Coastal/Long Distance Medium523.9
Triple Number Coastal/Long Distance High468.3
Triple Number Windward/Leeward Low872.1
Triple Number Windward/Leeward Medium638.6
Triple Number Windward/Leeward High555.7
Predominantly Upwind567.5
Predominantly Downwind538.6
Predominantly Reaching516.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8833
Triple Number Coastal/Long Distance Medium1.1453
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.6880
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0798
Coastal/Long Distance1.0475
Predominantly Upwind1.0573
Predominantly Downwind1.1140
For information
General Purpose Handicap (GPH)592.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1379
Distanseseilas Trippeltall svak vind0.8833
Distanseseilas Trippeltall mellomvind1.1453
Distanseseilas Trippeltall sterk vind1.2811
Pølsebane Trippeltall svak vind0.6880
Pølsebane Trippeltall mellomvind0.9396
Pølsebane Trippeltall sterk vind1.0798
Motvind Singeltall1.0573
Medvind Singeltall1.1140
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Coastal/Long Distance572.81.0475
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind567.51.0573
Predominantly Downwind538.61.1140
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore522.71.1479
Cape Doctor Coastal440.71.3615
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8833
Triple Number Coastal/Long Distance Medium1.1453
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.6880
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0798
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8833
Triple Number Coastal/Long Distance Medium1.1453
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.6880
Triple Number Windward/Leeward Medium0.9396
Triple Number Windward/Leeward High1.0798
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Predominantly Upwind567.51.0573
Predominantly Downwind538.61.1140
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572.81.0475
Triple Number Coastal/Long Distance Low679.30.8833
Triple Number Coastal/Long Distance Medium523.91.1453
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low872.10.6880
Triple Number Windward/Leeward Medium638.60.9396
Triple Number Windward/Leeward High555.71.0798
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1399.7966.8732.0609.7540.9505.1477.2433.6418.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP548.91.0931 Predom. Dn High426.91.4054 5B AP M/H474.41.2646 TriNum AP Low679.30.8833 Predom. Rc Low735.80.8154 5B AP High452.51.3259 TriNum AP Med523.91.1452 Predom. Rc L/M560.71.0701 5B SF Bay Low863.70.6946 TriNum AP High468.31.2811 Predom. Rc Med493.51.2159 5B SF Bay L/M708.60.8468 TriNum W/L Low914.30.6563 Predom. Rc M/H452.81.3251 5B SF Bay Med605.90.9902 TriNum W/L Med638.60.9396 Predom. Rc High427.21.4045 5B SF Bay M/H550.41.0900 TriNum W/L Hig555.71.0798 5B W/L Low1027.50.5839 5B SF Bay High524.71.1434 Predom. Upwind591.31.0146 5B W/L L/M743.90.8066 ChiMac Up Low718.10.8355 Predom. Reaching528.21.1360 5B W/L Med627.10.9568 ChiMac Up Med646.70.9277 Predom. Downwind563.21.0653 5B W/L M/H563.71.0644 ChiMac Up High564.71.0626 Predom. Up Low819.90.7318 5B W/L High536.11.1193 ChiMac Off Low713.70.8407 Predom. Up L/M622.10.9645 W/L 60-40 Low1028.90.5832 ChiMac Off Med628.30.9550 Predom. Up Med548.91.0930 W/L 60-40 L/M750.10.7999 ChiMac Off High527.31.1379 Predom. Up M/H513.31.1689 W/L 60-40 Med637.90.9406 ChiMac AP Low712.50.8421 Predom. Up High497.81.2054 W/L 60-40 M/H580.11.0343 ChiMac AP Med635.20.9446 Predom. Dn Low833.00.7203 W/L 60-40 High556.71.0778 ChiMac AP High544.61.1016 Predom. Dn L/M610.70.9824 5B AP Low756.90.7927 BayMac Cove Island819.60.7320 Predom. Dn Med519.31.1554 5B AP L/M592.91.0120 BayMac Shore812.60.7383 Predom. Dn M/H462.21.2983 5B AP Med516.61.1615 Harvest Moon467.11.2847      SA/DSPL Up24.62SA/DSPL Dn44.34
ORC Ref  04590004J9J Issued on 28/03/2026 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
P14.650IG15.700ISP16.650MDT10.130MDL10.240MDT20.110MDL20.175TL0.670MW0.240GO0.260
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  04590004J9J Issued on 28/03/2026 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.DateCommentA1.092.003.4245.86
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.711.402.825.8514.75NoNo 42.80
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA16.5416.5116.538.298.17113.83
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04590004J9J Issued on 28/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org