International Certificate2026
HEDAAPOL 41000
Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
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 Angles48.4°46.3°44.2°42.9°41.9°41.1°40.8°41.2°42.6°
Beat VMG2.083.043.764.304.724.995.115.135.00
52°3.324.785.786.507.007.317.487.567.52
60°3.655.126.116.817.267.557.727.857.86
75°3.885.366.437.157.557.797.998.288.39
90°4.115.716.817.487.878.158.368.648.84
110°4.065.726.927.628.068.458.819.329.78
120°3.945.576.777.527.998.398.809.6310.28
135°3.465.006.217.117.698.108.519.3710.45
150°2.874.225.376.347.107.607.968.649.38
Run VMG2.483.664.655.496.156.647.067.708.28
Gybe Angles139.9°143.5°147.5°148.9°150.8°154.8°159.7°163.9°161.9°
APH ToD:563.7CDL: 9.163APH ToT: 1.0645CertNo:25/01
BOAT
ClassDufour 390DesignerFeliciBuilderDUFOURAge date10/2019Series date10/2019Offset filedufour390+.offData filePOL41000
HULL
Length Overall11.158 mMaximum Beam4.022 mDraft1.929 mDisplacement8,034 kgDLR6.7801IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.228%RS Assessment-0.381%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.464m
CREW
Maximum weight580 kg(declared)Minimum weight450 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.7739.39Headsail Luffed33.2333.23Headsail FlyingSymmetricAsymmetric110.03110.03 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail11.47Storm Jib10.83Heavy Weather Jib29.24
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 220.5 kg·m Stability Index 114.5
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  04410004OSJ Issued on 06/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
HEDAAPOL 41000
Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
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 VMG1734.61183.8956.2837.1763.0721.3704.7701.7720.0
52°1083.3753.5622.6554.0514.1492.4481.6476.4478.8
60°987.6702.7588.8528.6495.8476.9466.2458.9458.2
75°926.8671.4559.7503.3476.9461.9450.6434.9429.1
90°875.4630.7528.3481.0457.2441.7430.4416.4407.0
110°887.0629.8520.6472.3446.5426.1408.8386.3368.1
120°913.3645.9531.8478.6450.8429.0409.0373.8350.2
135°1040.2719.5579.9506.0468.4444.4423.2384.1344.6
150°1256.4852.8670.2568.1507.2473.6452.2416.8383.8
Run VMG1450.8984.8773.9656.0585.3542.2510.2467.3434.6
Selected Courses
Windward / Leeward1592.71084.3865.1746.5674.1631.7607.5584.5577.3
All purpose1189.7823.7668.4587.5540.9512.9495.2475.5465.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward708.60.8468
All purpose563.71.0645
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7158
Downwind "popa"0.9293
70% up, 30% down "Ilhabela"0.7688
30% up, 70% down "Ilhabela-inverso"0.8530
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Predominantly Upwind620.30.9673
Predominantly Downwind565.11.0618
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP587.31.0217 Predom. Rc High446.01.3452 5B SF Bay L/M790.10.7594 TriNum AP Low746.00.8042 Predom. Dn Low885.00.6779 5B SF Bay Med664.80.9025 TriNum AP Med560.11.0712 Predom. Dn L/M642.20.9342 5B SF Bay M/H595.11.0083 TriNum AP High492.21.2189 Predom. Dn Med543.01.1051 5B SF Bay High571.11.0506 TriNum W/L Low1024.60.5856 Predom. Dn M/H484.01.2396 5B AP Low825.90.7265 TriNum W/L Med703.60.8528 Predom. Dn High452.21.3267 5B AP L/M643.90.9318 TriNum W/L Hig604.90.9919 ChiMac Up Low816.70.7347 5B AP Med550.81.0894 Predom. Upwind651.50.9210 ChiMac Up Med724.40.8283 5B AP M/H498.71.2031 Predom. Reaching555.71.0797 ChiMac Up High618.30.9705 5B AP High477.11.2576 Predom. Downwind592.51.0127 ChiMac Off Low754.90.7948 5B W/L Low1156.60.5188 Predom. Up Low945.70.6344 ChiMac Off Med662.60.9055 5B W/L L/M827.40.7252 Predom. Up L/M696.40.8616 ChiMac Off High554.41.0823 5B W/L Med689.50.8703 Predom. Up Med597.11.0049 ChiMac AP Low780.70.7685 5B W/L M/H613.30.9783 Predom. Up M/H545.41.1000 ChiMac AP Med689.80.8698 5B W/L High587.21.0218 Predom. Up High530.51.1310 ChiMac AP High583.91.0275 W/L 60-40 Low1178.20.5093 Predom. Rc Low797.00.7529 BayMac Cove Island908.10.6607 W/L 60-40 L/M845.70.7094 Predom. Rc L/M593.11.0117 BayMac Shore901.10.6659 W/L 60-40 Med707.50.8481 Predom. Rc Med513.51.1685 Harvest Moon484.31.2390 W/L 60-40 M/H633.00.9479 Predom. Rc M/H468.51.2808 5B SF Bay Low972.60.6169 W/L 60-40 High610.90.9822      SA/DSPL Up17.83SA/DSPL Dn36.84
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance617.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating617.10.9723
FinRating, kevyt tuuli1133.80.8820
FinRating, kova tuuli479.71.0423
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9723
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0713
Triple Number Coastal/Long Distance High1.2189
Triple Number Windward/Leeward Low0.6156
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
For information
General Purpose Handicap (GPH)637.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Saronikos S All Purpose668.70.8972
Saronikos S Upwind767.30.7820
Saronikos S Downwind539.41.1123
Saronikos N All Purpose692.50.8664
Saronikos N Upwind801.80.7483
Saronikos N Downwind581.31.0322
Saronikos SW All Purpose673.20.8913
Saronikos SW Upwind793.10.7565
Saronikos SW Downwind540.61.1099
Saronikos NE All Purpose713.00.8415
Saronikos NE Upwind742.30.8083
Saronikos NE Downwind653.40.9183
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose587.31.0217
5-Band All Purpose Low909.50.6597
5-Band All Purpose L/M666.10.9007
5-Band All Purpose Med568.11.0561
5-Band All Purpose M/H513.61.1682
5-Band All Purpose High490.71.2228
Single Number Predominant Upwind619.80.9681
Single Number Predominant Reaching531.31.1293
Single Number Predominant Downwind565.01.0620
5-Band 50-50 Windward/Leeward Low1156.60.5188
5-Band 50-50 Windward/Leeward L/M827.40.7252
5-Band 50-50 Windward/Leeward Med689.50.8703
5-Band 50-50 Windward/Leeward M/H613.30.9783
5-Band 50-50 Windward/Leeward High587.21.0218
5-Band 60-40 Windward/Leeward Low1178.20.5093
5-Band 60-40 Windward/Leeward L/M845.70.7094
5-Band 60-40 Windward/Leeward Med707.50.8481
5-Band 60-40 Windward/Leeward M/H633.00.9479
5-Band 60-40 Windward/Leeward High610.90.9822
Triple Number 50-50 Windward/Leeward Low1024.60.5856
Triple Number 50-50 Windward/Leeward Med703.70.8527
Triple Number 50-50 Windward/Leeward High604.90.9919
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward727.00.8253
Triple Number 60-40 Windward/Leeward Low1044.60.5744
Triple Number 60-40 Windward/Leeward Med721.60.8314
Triple Number 60-40 Windward/Leeward High625.50.9593
Triple Number All-Purpose Low811.10.7397
Triple Number All-Purpose Med578.01.0381
Triple Number All-Purpose High506.81.1839
Triple Number Predominant Upwind Low849.70.7062
Triple Number Predominant Upwind Med610.40.9829
Triple Number Predominant Upwind High545.51.0999
Triple Number Predominant Reaching Low720.60.8326
Triple Number Predominant Reaching Med532.21.1274
Triple Number Predominant Reaching High452.21.3268
Triple Number Predominant Downwind Low787.80.7616
Triple Number Predominant Downwind Med552.11.0867
Triple Number Predominant Downwind High465.71.2885
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low746.1
Triple Number Coastal/Long Distance Medium560.1
Triple Number Coastal/Long Distance High492.2
Triple Number Windward/Leeward Low974.7
Triple Number Windward/Leeward Medium703.6
Triple Number Windward/Leeward High604.9
Predominantly Upwind620.3
Predominantly Downwind565.1
Predominantly Reaching539.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0713
Triple Number Coastal/Long Distance High1.2189
Triple Number Windward/Leeward Low0.6156
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9919
Coastal/Long Distance0.9723
Predominantly Upwind0.9673
Predominantly Downwind1.0618
For information
General Purpose Handicap (GPH)637.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0645
Distanseseilas Trippeltall svak vind0.8042
Distanseseilas Trippeltall mellomvind1.0713
Distanseseilas Trippeltall sterk vind1.2189
Pølsebane Trippeltall svak vind0.6156
Pølsebane Trippeltall mellomvind0.8528
Pølsebane Trippeltall sterk vind0.9919
Motvind Singeltall0.9673
Medvind Singeltall1.0618
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Coastal/Long Distance617.10.9723
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind620.30.9673
Predominantly Downwind565.11.0618
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore579.51.0355
Cape Doctor Coastal468.21.2815
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0713
Triple Number Coastal/Long Distance High1.2189
Triple Number Windward/Leeward Low0.6156
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9919
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0713
Triple Number Coastal/Long Distance High1.2189
Triple Number Windward/Leeward Low0.6156
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9919
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Predominantly Upwind620.30.9673
Predominantly Downwind565.11.0618
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance617.10.9723
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium560.11.0713
Triple Number Coastal/Long Distance High492.21.2189
Triple Number Windward/Leeward Low974.70.6156
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High604.90.9919
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1578.51074.3808.0667.0580.5532.9499.4450.0437.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP587.31.0217 Predom. Dn High452.21.3267 5B AP M/H498.71.2031 TriNum AP Low746.00.8042 Predom. Rc Low797.00.7529 5B AP High477.11.2576 TriNum AP Med560.11.0712 Predom. Rc L/M593.11.0117 5B SF Bay Low972.60.6169 TriNum AP High492.21.2189 Predom. Rc Med513.51.1685 5B SF Bay L/M790.10.7594 TriNum W/L Low1024.60.5856 Predom. Rc M/H468.51.2808 5B SF Bay Med664.80.9025 TriNum W/L Med703.60.8528 Predom. Rc High446.01.3452 5B SF Bay M/H595.11.0083 TriNum W/L Hig604.90.9919 5B W/L Low1156.60.5188 5B SF Bay High571.11.0506 Predom. Upwind651.50.9210 5B W/L L/M827.40.7252 ChiMac Up Low816.70.7347 Predom. Reaching555.71.0797 5B W/L Med689.50.8703 ChiMac Up Med724.40.8283 Predom. Downwind592.51.0127 5B W/L M/H613.30.9783 ChiMac Up High618.30.9705 Predom. Up Low945.70.6344 5B W/L High587.21.0218 ChiMac Off Low754.90.7948 Predom. Up L/M696.40.8616 W/L 60-40 Low1178.20.5093 ChiMac Off Med662.60.9055 Predom. Up Med597.11.0049 W/L 60-40 L/M845.70.7094 ChiMac Off High554.41.0823 Predom. Up M/H545.41.1000 W/L 60-40 Med707.50.8481 ChiMac AP Low780.70.7685 Predom. Up High530.51.1310 W/L 60-40 M/H633.00.9479 ChiMac AP Med689.80.8698 Predom. Dn Low885.00.6779 W/L 60-40 High610.90.9822 ChiMac AP High583.91.0275 Predom. Dn L/M642.20.9342 5B AP Low825.90.7265 BayMac Cove Island908.10.6607 Predom. Dn Med543.01.1051 5B AP L/M643.90.9318 BayMac Shore901.10.6659 Predom. Dn M/H484.01.2396 5B AP Med550.81.0894 Harvest Moon484.31.2390      SA/DSPL Up17.83SA/DSPL Dn36.84
ORC Ref  04410004OSJ Issued on 06/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
HEDAAPOL 41000
Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 390Measurement05/05/2026HINFR-DUFG0529F919Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.158Maximum beam4.022Draft1.929Displacement8,034Wetted area32.30IMS L10.666LSM010.581Accomod. length11.158Sink (kg/mm) 25.56
VCGD0.215VCGM0.232 RM Rated (kg·m) 220.5Limit of positive stability(°) 112.5 Stability Index 114.5 BLR index 0.0000Default crew weight746 Declared crew weight 580
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.464PBW0.130PIPA0.0026
EDL3.055ST10.066ST20.180
ST30.180ST40.080ST50.295
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.300IG14.678ISP15.134MDT10.125MDL10.200MDT20.125MDL20.200TLMW0.200GO0.210
E4.580J3.985BAS1.319FSD0.035SFJ0.173SPL5.215WPLTPS5.555BD0.175MWT224.54MCG5.740
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date14/04/2024Measurer3/ORC
SFFP0.400FFM1.513FF1.543LCFcl6.119SG1.0010
SAFP10.975FAM1.282FA1.285LCFsh6.425HBI1.427
W193.2W293.2W393.2W493.2LCFD6.010
PD1295.0PD2295.2PD3302.6PD4302.8
WD8.900PLM9000.00GSA1.0RSA1.0RM218.6
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG5Fuel plastic STFuel200929.200.204Water plastic STWater20009.200.203Water plasticWater18002.600.252Waste plastic5003.781.451Waste plastic5007.451.45Total deductible779.200.20
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousSzpryc budka124.501.854aBattery105 Strb238.500.304Battery105 Ah Ps for engine238.500.603Battery80 Ah PB gel279.300.102Battery80 Ah PB gel278.910.101aBattery95 Ah gel262.710.201Battery95 Ah gel262.710.201Engine (IC)VOLVO D2-401AnchorLewmar200.001.581Chainkaliber 10mm 40 mb920.840.88Total deductible1120.691.01
ORC Ref  04410004OSJ Issued on 06/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
HEDAAPOL 41000
Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment40.180.931.662.943.8638.7727/04/2026202630.160.971.672.833.7337.9919/04/2024202210.090.821.562.843.8237.7315/06/20202020 Membr
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment40.070.741.352.403.384.4214.24YesNo 33.2327/04/2026202610.080.601.142.243.384.4914.20YesNo 32.0715/06/20202020 Membr30.080.671.222.283.324.3614.15YesNo 31.9019/04/2024202220.070.380.731.532.443.4314.04NoNo 22.7520/07/20212020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment416.9014.0515.488.697.90110%110.0320/04/20232023317.0112.8514.938.747.52116%105.7017/06/20202020 White215.3213.2214.277.129.1078%89.3808/07/20212021 correct115.2313.3014.275.206.8176%65.6419/04/20242021
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamYesJib trackNoSpinnaker retrieverNoBoomvangYesHeadsail cunninghamYesTack lineNoOuthaulYesMain travellerNoHalyardsYes
CRUISER/RACER REQUIREMENTS*
Accommodation length11.2 mTable area0.55 m²Headroom1.77 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity130 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity74 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04410004OSJ Issued on 06/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org