International Certificate2026
DUCKHAWKGER 6471
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
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 Angles46.1°43.4°41.5°39.7°38.1°37.8°37.7°38.0°39.3°
Beat VMG2.323.304.014.534.844.975.035.064.99
52°3.645.035.956.506.806.947.017.077.07
60°3.915.306.196.676.957.117.197.297.31
75°4.105.476.346.817.097.317.477.657.75
90°4.105.696.647.047.247.407.618.008.25
110°4.215.876.837.317.677.968.198.629.00
120°4.095.756.757.277.718.138.549.149.76
135°3.625.126.317.007.457.928.439.6811.65
150°3.004.335.436.366.977.357.728.5710.38
Run VMG2.603.754.705.516.086.476.807.468.99
Gybe Angles139.9°143.9°147.9°149.5°153.7°158.8°161.3°157.0°142.2°
APH ToD:570.1CDL: 8.332APH ToT: 1.0524CertNo:142085
BOAT
ClassJ-97DesignerJOHNSTONEBuilderJ-COMPOSITESAge date11/2011Series date06/2009Offset fileJ97.OFFData fileGER6471
HULL
Length Overall9.600 mMaximum Beam3.348 mDraft1.910 mDisplacement3,792 kgDLR7.0384IMS DivisionCruiser/RacerDynamic Allowance0.200%Age Allowance0.552%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.281m
CREW
Maximum weight599 kg(declared)Minimum weight469 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.5229.06Headsail Luffed26.3326.33Headsail FlyingSymmetricAsymmetric104.47104.47 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail8.29Storm Jib7.95Heavy Weather Jib21.46
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 80.8 kg·m Stability Index 116.0
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  04150004LWE Issued on 20/04/2026 Valid until 01/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
DUCKHAWKGER 6471
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
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 VMG1552.71092.1897.5794.7743.3724.3715.1710.8721.8
52°988.8715.7604.6553.6529.5518.7513.9509.0509.3
60°920.4679.7581.6539.4517.8506.3500.5494.1492.7
75°877.4658.6567.5528.7507.4492.4481.8470.3464.2
90°877.3632.2542.3511.2497.2486.3472.8450.1436.5
110°855.4613.2527.3492.7469.2452.3439.4417.6400.1
120°879.8626.5533.0495.0466.8442.6421.7394.0368.8
135°993.3703.4570.9514.6483.3454.4427.2371.8309.1
150°1198.7830.8662.7566.2516.3489.9466.0420.1346.7
Run VMG1384.1959.4765.2653.8591.8556.6529.2482.8400.4
Selected Courses
Windward / Leeward1468.41025.7831.3724.2667.6640.5622.1596.8561.1
All purpose1113.0789.6653.8586.9551.3531.2516.2493.3469.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward699.70.8575
All purpose570.11.0524
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7397
Downwind "popa"0.9254
70% up, 30% down "Ilhabela"0.7871
30% up, 70% down "Ilhabela-inverso"0.8606
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Predominantly Upwind621.00.9662
Predominantly Downwind571.21.0504
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP593.31.0112 Predom. Rc High462.41.2976 5B SF Bay L/M762.20.7872 TriNum AP Low721.70.8314 Predom. Dn Low854.50.7022 5B SF Bay Med658.80.9108 TriNum AP Med566.71.0587 Predom. Dn L/M638.00.9404 5B SF Bay M/H605.40.9910 TriNum AP High511.41.1734 Predom. Dn Med553.71.0835 5B SF Bay High577.31.0392 TriNum W/L Low971.80.6174 Predom. Dn M/H500.41.1991 5B AP Low795.10.7546 TriNum W/L Med693.30.8654 Predom. Dn High459.41.3060 5B AP L/M635.10.9448 TriNum W/L Hig617.20.9721 ChiMac Up Low783.10.7662 5B AP Med559.51.0725 Predom. Upwind647.70.9263 ChiMac Up Med707.10.8485 5B AP M/H517.81.1587 Predom. Reaching565.81.0604 ChiMac Up High619.20.9689 5B AP High493.11.2169 Predom. Downwind595.01.0084 ChiMac Off Low739.70.8112 5B W/L Low1087.80.5516 Predom. Up Low891.60.6730 ChiMac Off Med658.10.9117 5B W/L L/M798.00.7518 Predom. Up L/M679.10.8836 ChiMac Off High559.91.0716 5B W/L Med682.40.8793 Predom. Up Med602.20.9963 ChiMac AP Low758.00.7916 5B W/L M/H624.80.9604 Predom. Up M/H565.51.0610 ChiMac AP Med680.40.8818 5B W/L High595.01.0084 Predom. Up High548.31.0943 ChiMac AP High588.41.0197 W/L 60-40 Low1102.00.5445 Predom. Rc Low773.10.7761 BayMac Cove Island870.30.6894 W/L 60-40 L/M811.90.7390 Predom. Rc L/M594.81.0088 BayMac Shore864.40.6941 W/L 60-40 Med697.70.8599 Predom. Rc Med531.71.1285 Harvest Moon503.01.1929 W/L 60-40 M/H643.50.9324 Predom. Rc M/H492.21.2191 5B SF Bay Low921.40.6512 W/L 60-40 High618.70.9698      SA/DSPL Up22.46SA/DSPL Dn54.45
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance618.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating618.90.9695
FinRating, kevyt tuuli1068.10.9362
FinRating, kova tuuli495.11.0099
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9695
Triple Number Coastal/Long Distance Low0.8314
Triple Number Coastal/Long Distance Medium1.0588
Triple Number Coastal/Long Distance High1.1734
Triple Number Windward/Leeward Low0.6462
Triple Number Windward/Leeward Medium0.8654
Triple Number Windward/Leeward High0.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
For information
General Purpose Handicap (GPH)637.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Saronikos S All Purpose654.90.9161
Saronikos S Upwind743.70.8067
Saronikos S Downwind540.61.1098
Saronikos N All Purpose681.70.8801
Saronikos N Upwind776.50.7727
Saronikos N Downwind582.21.0306
Saronikos SW All Purpose655.90.9147
Saronikos SW Upwind765.20.7842
Saronikos SW Downwind540.51.1102
Saronikos NE All Purpose701.10.8557
Saronikos NE Upwind728.30.8238
Saronikos NE Downwind646.00.9288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose593.31.0112
5-Band All Purpose Low869.10.6904
5-Band All Purpose L/M656.70.9137
5-Band All Purpose Med577.41.0392
5-Band All Purpose M/H533.01.1256
5-Band All Purpose High504.41.1895
Single Number Predominant Upwind620.20.9674
Single Number Predominant Reaching544.71.1015
Single Number Predominant Downwind571.81.0494
5-Band 50-50 Windward/Leeward Low1087.80.5516
5-Band 50-50 Windward/Leeward L/M798.00.7518
5-Band 50-50 Windward/Leeward Med682.40.8793
5-Band 50-50 Windward/Leeward M/H624.80.9604
5-Band 50-50 Windward/Leeward High595.01.0084
5-Band 60-40 Windward/Leeward Low1102.00.5445
5-Band 60-40 Windward/Leeward L/M811.90.7390
5-Band 60-40 Windward/Leeward Med697.70.8599
5-Band 60-40 Windward/Leeward M/H643.50.9324
5-Band 60-40 Windward/Leeward High618.70.9698
Triple Number 50-50 Windward/Leeward Low971.80.6174
Triple Number 50-50 Windward/Leeward Med693.40.8653
Triple Number 50-50 Windward/Leeward High617.20.9721
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward715.40.8387
Triple Number 60-40 Windward/Leeward Low985.50.6088
Triple Number 60-40 Windward/Leeward Med708.50.8469
Triple Number 60-40 Windward/Leeward High636.90.9420
Triple Number All-Purpose Low782.40.7669
Triple Number All-Purpose Med585.01.0257
Triple Number All-Purpose High525.71.1413
Triple Number Predominant Upwind Low810.40.7404
Triple Number Predominant Upwind Med611.80.9807
Triple Number Predominant Upwind High566.91.0584
Triple Number Predominant Reaching Low704.50.8517
Triple Number Predominant Reaching Med546.71.0976
Triple Number Predominant Reaching High475.51.2619
Triple Number Predominant Downwind Low766.70.7826
Triple Number Predominant Downwind Med561.91.0678
Triple Number Predominant Downwind High480.01.2501
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low721.7
Triple Number Coastal/Long Distance Medium566.7
Triple Number Coastal/Long Distance High511.3
Triple Number Windward/Leeward Low928.5
Triple Number Windward/Leeward Medium693.3
Triple Number Windward/Leeward High617.2
Predominantly Upwind621.0
Predominantly Downwind571.2
Predominantly Reaching551.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8314
Triple Number Coastal/Long Distance Medium1.0588
Triple Number Coastal/Long Distance High1.1734
Triple Number Windward/Leeward Low0.6462
Triple Number Windward/Leeward Medium0.8654
Triple Number Windward/Leeward High0.9721
Coastal/Long Distance0.9695
Predominantly Upwind0.9662
Predominantly Downwind1.0504
For information
General Purpose Handicap (GPH)637.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0524
Distanseseilas Trippeltall svak vind0.8314
Distanseseilas Trippeltall mellomvind1.0588
Distanseseilas Trippeltall sterk vind1.1734
Pølsebane Trippeltall svak vind0.6462
Pølsebane Trippeltall mellomvind0.8654
Pølsebane Trippeltall sterk vind0.9721
Motvind Singeltall0.9662
Medvind Singeltall1.0504
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Coastal/Long Distance618.90.9695
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind621.00.9662
Predominantly Downwind571.21.0504
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore571.81.0493
Cape Doctor Coastal476.31.2598
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8314
Triple Number Coastal/Long Distance Medium1.0588
Triple Number Coastal/Long Distance High1.1734
Triple Number Windward/Leeward Low0.6462
Triple Number Windward/Leeward Medium0.8654
Triple Number Windward/Leeward High0.9721
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8314
Triple Number Coastal/Long Distance Medium1.0588
Triple Number Coastal/Long Distance High1.1734
Triple Number Windward/Leeward Low0.6462
Triple Number Windward/Leeward Medium0.8654
Triple Number Windward/Leeward High0.9721
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Predominantly Upwind621.00.9662
Predominantly Downwind571.21.0504
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.90.9695
Triple Number Coastal/Long Distance Low721.70.8314
Triple Number Coastal/Long Distance Medium566.71.0588
Triple Number Coastal/Long Distance High511.31.1734
Triple Number Windward/Leeward Low928.50.6462
Triple Number Windward/Leeward Medium693.30.8654
Triple Number Windward/Leeward High617.20.9721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.01019.1781.1656.3586.6551.0521.2473.4449.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP593.31.0112 Predom. Dn High459.41.3060 5B AP M/H517.81.1587 TriNum AP Low721.70.8314 Predom. Rc Low773.10.7761 5B AP High493.11.2169 TriNum AP Med566.71.0587 Predom. Rc L/M594.81.0088 5B SF Bay Low921.40.6512 TriNum AP High511.41.1734 Predom. Rc Med531.71.1285 5B SF Bay L/M762.20.7872 TriNum W/L Low971.80.6174 Predom. Rc M/H492.21.2191 5B SF Bay Med658.80.9108 TriNum W/L Med693.30.8654 Predom. Rc High462.41.2976 5B SF Bay M/H605.40.9910 TriNum W/L Hig617.20.9721 5B W/L Low1087.80.5516 5B SF Bay High577.31.0392 Predom. Upwind647.70.9263 5B W/L L/M798.00.7518 ChiMac Up Low783.10.7662 Predom. Reaching565.81.0604 5B W/L Med682.40.8793 ChiMac Up Med707.10.8485 Predom. Downwind595.01.0084 5B W/L M/H624.80.9604 ChiMac Up High619.20.9689 Predom. Up Low891.60.6730 5B W/L High595.01.0084 ChiMac Off Low739.70.8112 Predom. Up L/M679.10.8836 W/L 60-40 Low1102.00.5445 ChiMac Off Med658.10.9117 Predom. Up Med602.20.9963 W/L 60-40 L/M811.90.7390 ChiMac Off High559.91.0716 Predom. Up M/H565.51.0610 W/L 60-40 Med697.70.8599 ChiMac AP Low758.00.7916 Predom. Up High548.31.0943 W/L 60-40 M/H643.50.9324 ChiMac AP Med680.40.8818 Predom. Dn Low854.50.7022 W/L 60-40 High618.70.9698 ChiMac AP High588.41.0197 Predom. Dn L/M638.00.9404 5B AP Low795.10.7546 BayMac Cove Island870.30.6894 Predom. Dn Med553.71.0835 5B AP L/M635.10.9448 BayMac Shore864.40.6941 Predom. Dn M/H500.41.1991 5B AP Med559.51.0725 Harvest Moon503.01.1929      SA/DSPL Up22.46SA/DSPL Dn54.45
ORC Ref  04150004LWE Issued on 20/04/2026 Valid until 01/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
DUCKHAWKGER 6471
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-97Measurement23/04/2018HINFR-JBC97026T010Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.600Maximum beam3.348Draft1.910Displacement3,792Wetted area19.82IMS L8.591LSM08.136Accomod. length9.600Sink (kg/mm) 14.78
VCGD-0.003VCGM-0.015 RM Rated (kg·m) 80.8Limit of positive stability(°) 119.4 Stability Index 116.0 BLR index 0.0000Default crew weight513 Declared crew weight 599
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.281PBW0.097PIPA0.0033
EDL1.670ST10.042ST20.180
ST30.180ST40.112ST50.320
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.040IG12.527ISP13.667MDT10.115MDL10.170MDT20.113MDL20.132TL1.100MW0.165GO0.188
E3.930J3.580BAS1.447FSDSFJ0.260SPL0.000WPLTPS5.230BD0.130MWT113.20MCG4.050
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/04/2016MeasurerDSV 154CommentSCHILKSEE
SFFP0.600FFM1.248FF1.251LCFcl5.204SG1.0150
SAFP9.303FAM0.912FA0.914LCFsh5.456HBI1.094
W164.0W264.0W364.0W464.0
PD1617.2PD2611.4PD3608.9PD4614.6
WD9.770PLM9000.00GSA1.0RSA1.0RM80.3
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG3WASTE PLASTIKWater3007.350.202FUEL S/SFuel5007.300.001WATER TEXTIL BLUE TEXTIL TANKWater10002.600.00Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousCOOLER WAECO104.950.002BatteryMOTOR VICTRON ENERGY 60AH374.950.001BatterySERVICE VICTRON ENERGY150AH474.950.001Engine (IC)VOLVO PENTA D1-20Total deductible0
ORC Ref  04150004LWE Issued on 20/04/2026 Valid until 01/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
DUCKHAWKGER 6471
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1606550.160.871.582.533.3228.5211/12/2018MN-21564590.150.841.522.573.3328.4818/04/2016MN-1
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1606470.100.631.182.163.083.9712.54YesNo 26.3311/12/2018JIB LIGHT1606580.090.571.091.992.873.7811.95YesNo 23.4311/12/2018JIB MED
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment15645515.3312.9314.139.088.04113%104.4709/04/2018A2-1015.3913.2414.328.788.66101%104.4521/08/2018A2-2015.1512.9514.057.857.75101%91.6802/02/2016A-3
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
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 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04150004LWE Issued on 20/04/2026 Valid until 01/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org