Club Certificate2025
ROSSKO RACERGBR-555N
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°40.6°38.5°37.3°37.1°36.7°36.5°37.5°
Beat VMG2.753.834.705.305.585.735.825.925.86
52°4.285.816.907.537.827.968.058.168.19
60°4.566.097.137.708.018.188.298.448.49
75°4.726.267.267.818.188.478.688.939.06
90°4.606.267.427.918.188.548.879.409.72
110°4.746.437.638.278.769.099.409.9710.52
120°4.596.297.548.228.809.359.8310.6311.49
135°3.975.637.007.848.439.039.6911.4513.82
150°3.324.735.967.027.808.308.809.9912.93
Run VMG2.884.095.166.086.787.247.668.6511.20
Gybe Angles142.2°142.2°146.0°148.9°152.5°154.8°155.0°145.8°142.4°
APH ToD:499.9CDL: 10.809APH ToT: 1.2002CertNo:
BOAT
ClassJPK 11.80DesignerVALER JacquesBuilderJPK CompositesAge date01/2020Series date01/2018Offset fileJPK1180-FK.offData fileGBR555N
HULL
Length Overall11.816 mMaximum Beam3.952 mDraft2.324 mDisplacement6,040 kgDLR5.2799IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.228%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight850 kg(declared)Minimum weight720 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.3350.32Headsail Luffed38.5538.55Headsail FlyingSymmetricAsymmetric155.46155.46 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.34Storm Jib12.51Heavy Weather Jib33.78
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
IRC ENDORSED 2025
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
ROSSKO RACERGBR-555N
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 VMG1310.2940.1765.6679.7645.5628.5618.4608.5614.0
52°840.6620.1521.8478.3460.4452.5447.3441.0439.8
60°790.0590.9505.1467.6449.6440.0434.1426.5424.1
75°763.0575.3495.9460.9440.1425.0414.8403.2397.3
90°782.5575.2485.3455.2440.2421.5405.7382.9370.5
110°759.2559.5471.9435.4410.8395.9383.1360.9342.1
120°784.0572.0477.5437.7409.1385.0366.3338.6313.2
135°906.0638.9514.3459.4427.3398.7371.6314.5260.5
150°1082.7761.6603.9512.6461.8433.5409.0360.3278.5
Run VMG1250.8879.4697.3591.9530.7497.1470.3416.0321.5
Selected Courses
Windward / Leeward1280.3909.8731.5635.8588.1562.8544.3512.3467.8
All purpose973.0702.2576.3515.3484.0464.3449.0423.3396.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward614.80.9759
All purpose499.91.2002
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8595
Downwind "popa"1.0287
70% up, 30% down "Ilhabela"0.9041
30% up, 70% down "Ilhabela-inverso"0.9714
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Predominantly Upwind541.61.1078
Predominantly Downwind506.31.1851
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low639.30.9386
Triple Number AP Medium497.21.2067
Triple Number AP High443.21.3539
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Single Number Predominant Upwind563.41.0649
Single Number Predominant Reaching497.51.2061
Single Number Predominant Downwind526.61.1393
Predominant Upwind - Low776.70.7725
Predominant Upwind - Low/Med592.11.0133
Predominant Upwind - Medium525.31.1423
Predominant Upwind - Med/High490.61.2229
Predominant Upwind - High470.91.2742
Predominant Downwind Low767.30.7820
Predominant Downwind Low/Med570.11.0525
Predominant Downwind Medium490.21.2239
Predominant Downwind Med/High436.91.3733
Predominant Downwind High393.21.5259
Predominant Reaching Low689.00.8709
Predominant Reaching Low/Med527.61.1373
Predominant Reaching Medium467.71.2829
Predominant Reaching Med/High426.81.4060
Predominant Reaching High395.61.5169
SA/DSPL Upwind26.34SA/DSPL Downwind61.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low957.90.6264
5-Band Windward/Leeward Low/Med702.80.8537
5-Band Windward/Leeward Medium600.10.9999
5-Band Windward/Leeward Med/High545.71.0995
5-Band Windward/Leeward High510.11.1762
Windward/Leeward 60-40 Low964.10.6223
Windward/Leeward 60-40 Low/Med710.90.8440
Windward/Leeward 60-40 Medium611.20.9816
Windward/Leeward 60-40 Med/High560.71.0701
Windward/Leeward 60-40 High530.31.1314
5-Band AP Low705.90.8500
5-Band AP Low/Med559.71.0720
5-Band AP Medium490.61.2229
5-Band AP Med/High450.21.3328
5-Band AP High423.01.4183
5-Band SF Bay Tour - Low825.90.7265
5-Band SF Bay Tour - Low/Med671.70.8933
5-Band SF Bay Tour - Medium577.71.0386
5-Band SF Bay Tour - Med/High527.31.1378
5-Band SF Bay Tour - High494.61.2130
Chicago-Mac Upwind1.0335
Chicago-Mac All Purpose1.0676
Chicago-Mac Downwind1.0975
Bayview-Mac Cove Island0.7829
Bayview-Mac Shore0.7877
Harvest Moon Regatta434.21.3818
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance543.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating543.11.1048
FinRating, kevyt tuuli940.61.0631
FinRating, kova tuuli423.61.1804
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.1048
Triple Number Coastal/Long Distance Low0.9386
Triple Number Coastal/Long Distance Medium1.2068
Triple Number Coastal/Long Distance High1.3539
Triple Number Windward/Leeward Low0.7312
Triple Number Windward/Leeward Medium0.9842
Triple Number Windward/Leeward High1.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
For information
General Purpose Handicap (GPH)560.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low639.2
Triple Number Coastal/Long Distance Medium497.2
Triple Number Coastal/Long Distance High443.2
Triple Number Windward/Leeward Low820.6
Triple Number Windward/Leeward Medium609.6
Triple Number Windward/Leeward High536.9
Predominantly Upwind541.6
Predominantly Downwind506.3
Predominantly Reaching486.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9386
Triple Number Coastal/Long Distance Medium1.2068
Triple Number Coastal/Long Distance High1.3539
Triple Number Windward/Leeward Low0.7312
Triple Number Windward/Leeward Medium0.9842
Triple Number Windward/Leeward High1.1175
Coastal/Long Distance1.1048
Predominantly Upwind1.1078
Predominantly Downwind1.1851
For information
General Purpose Handicap (GPH)560.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.2002
Distanseseilas Trippeltall svak vind0.9386
Distanseseilas Trippeltall mellomvind1.2068
Distanseseilas Trippeltall sterk vind1.3539
Pølsebane Trippeltall svak vind0.7312
Pølsebane Trippeltall mellomvind0.9842
Pølsebane Trippeltall sterk vind1.1175
Motvind Singeltall1.1078
Medvind Singeltall1.1851
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Coastal/Long Distance543.11.1048
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind541.61.1078
Predominantly Downwind506.31.1851
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore481.11.2471
Cape Doctor Coastal404.31.4841
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9386
Triple Number Coastal/Long Distance Medium1.2068
Triple Number Coastal/Long Distance High1.3539
Triple Number Windward/Leeward Low0.7312
Triple Number Windward/Leeward Medium0.9842
Triple Number Windward/Leeward High1.1175
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9386
Triple Number Coastal/Long Distance Medium1.2068
Triple Number Coastal/Long Distance High1.3539
Triple Number Windward/Leeward Low0.7312
Triple Number Windward/Leeward Medium0.9842
Triple Number Windward/Leeward High1.1175
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Predominantly Upwind541.61.1078
Predominantly Downwind506.31.1851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low639.20.9386
Triple Number Coastal/Long Distance Medium497.21.2068
Triple Number Coastal/Long Distance High443.21.3539
Triple Number Windward/Leeward Low820.60.7312
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1355.1906.8688.8576.6515.3481.3453.0406.3379.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low639.30.9386
Triple Number AP Medium497.21.2067
Triple Number AP High443.21.3539
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium609.60.9842
Triple Number Windward/Leeward High536.91.1175
Single Number Predominant Upwind563.41.0649
Single Number Predominant Reaching497.51.2061
Single Number Predominant Downwind526.61.1393
Predominant Upwind - Low776.70.7725
Predominant Upwind - Low/Med592.11.0133
Predominant Upwind - Medium525.31.1423
Predominant Upwind - Med/High490.61.2229
Predominant Upwind - High470.91.2742
Predominant Downwind Low767.30.7820
Predominant Downwind Low/Med570.11.0525
Predominant Downwind Medium490.21.2239
Predominant Downwind Med/High436.91.3733
Predominant Downwind High393.21.5259
Predominant Reaching Low689.00.8709
Predominant Reaching Low/Med527.61.1373
Predominant Reaching Medium467.71.2829
Predominant Reaching Med/High426.81.4060
Predominant Reaching High395.61.5169
SA/DSPL Upwind26.34SA/DSPL Downwind61.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low957.90.6264
5-Band Windward/Leeward Low/Med702.80.8537
5-Band Windward/Leeward Medium600.10.9999
5-Band Windward/Leeward Med/High545.71.0995
5-Band Windward/Leeward High510.11.1762
Windward/Leeward 60-40 Low964.10.6223
Windward/Leeward 60-40 Low/Med710.90.8440
Windward/Leeward 60-40 Medium611.20.9816
Windward/Leeward 60-40 Med/High560.71.0701
Windward/Leeward 60-40 High530.31.1314
5-Band AP Low705.90.8500
5-Band AP Low/Med559.71.0720
5-Band AP Medium490.61.2229
5-Band AP Med/High450.21.3328
5-Band AP High423.01.4183
5-Band SF Bay Tour - Low825.90.7265
5-Band SF Bay Tour - Low/Med671.70.8933
5-Band SF Bay Tour - Medium577.71.0386
5-Band SF Bay Tour - Med/High527.31.1378
5-Band SF Bay Tour - High494.61.2130
Chicago-Mac Upwind1.0335
Chicago-Mac All Purpose1.0676
Chicago-Mac Downwind1.0975
Bayview-Mac Cove Island0.7829
Bayview-Mac Shore0.7877
Harvest Moon Regatta434.21.3818
Club Certificate2025
ROSSKO RACERGBR-555N
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJPK 11.80MeasurementHIN2073Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.816Max. Beam3.952Draft2.324Displacement6,040Wetted area30.27IMS L10.914LSM010.457Acc. length11.816Sink (kg/mm) 22.65
VCGD-0.026VCGM0.031RM Rated (kg·m) 177.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight734Declared crew weight850
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0034
EDL2.000ST10.065ST20.180
ST30.180ST40.110ST50.180
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footYesRunning backstays1Checkstays0Spreaders2Rotating mastNo
P15.570IG15.780ISP17.280MDT10.111MDL10.199MDT20.100MDL20.161TL1.230MW0.199GO0.210
E5.260J4.690BAS1.670FSDSFJ0.000SPLWPLTPS6.390BD0.219MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date29/01/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
ROSSKO RACERGBR-555N
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment11.222.053.3649.33IRC ENDORSED 2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.771.412.574.7415.52NoNo 38.55IRC ENDORSED 2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment119.6515.8317.7410.5710.30103%155.46IRC ENDORSED 2025