Non Spin/HSFClub Certificate2026
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles47.8°45.3°43.6°42.5°41.2°40.1°39.9°40.6°42.5°
Beat VMG1.912.773.403.864.214.444.524.494.33
52°3.034.315.195.786.176.406.526.556.49
60°3.294.595.466.026.366.596.716.786.75
75°3.474.765.646.216.546.776.947.147.19
90°3.384.685.586.206.566.827.037.407.64
110°2.924.235.225.976.466.787.057.588.11
120°2.724.005.005.786.336.686.967.508.09
135°2.353.534.525.335.986.436.747.277.84
150°2.013.054.004.825.526.096.487.027.55
Run VMG1.742.643.494.284.995.616.136.787.28
Gybe Angles148.9°150.7°156.8°178.4°178.9°179.3°179.5°179.8°180.0°
APH ToD:673.4CDL: 7.107APH ToT: 0.8909CertNo:666839
BOAT
ClassDUFOUR 30 CLASSICDesignerOlivierPoncinandJ&JDesignsBuilderDufour YachtsAge date01/1999Series date01/1996Offset fileDU30CLAS.offData file666839
HULL
Length Overall9.040 mMaximum Beam3.040 mDraft1.559 mDisplacement3,536 kgDLR7.2064IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight491 kg(default)Minimum weight361 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.9522.36Headsail Luffed18.7518.75Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.64Storm Jib6.59Heavy Weather Jib17.80
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 68.6 kg·m Stability Index 102.7
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  03440004NFC Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1888.51297.81058.6933.2854.4810.7796.7800.9831.4
52°1186.4834.3693.2622.5583.6562.1552.4549.3555.0
60°1093.3784.6658.9597.8565.6546.6536.2530.8533.0
75°1036.5755.6637.8579.6550.4532.1518.7504.0500.6
90°1064.9769.1644.9581.0548.5528.2512.3486.6471.3
110°1234.1851.3689.6602.8557.3530.7510.6474.9444.0
120°1323.2899.8719.9622.7569.0538.9517.6479.8444.8
135°1531.61020.0795.6675.0601.8559.7533.9495.3458.9
150°1791.41179.6899.4746.4652.3591.6555.2512.5477.0
Run VMG2068.61361.51031.1841.7722.1641.6587.5530.7494.3
Selected Courses
Windward / Leeward1978.51329.71044.8887.4788.2726.2692.1665.8662.8
All purpose1483.01014.9813.8706.4642.8604.5582.7560.3550.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward832.70.7206
All purpose673.40.8909
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6410
Downwind "popa"0.7347
70% up, 30% down "Ilhabela"0.6665
30% up, 70% down "Ilhabela-inverso"0.7039
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Predominantly Upwind720.60.8326
Predominantly Downwind698.30.8592
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP701.10.8557 Predom. Rc High530.71.1306 5B SF Bay L/M946.50.6339 TriNum AP Low914.30.6562 Predom. Dn Low1167.30.5140 5B SF Bay Med781.70.7675 TriNum AP Med668.80.8971 Predom. Dn L/M816.70.7347 5B SF Bay M/H688.40.8715 TriNum AP High579.71.0349 Predom. Dn Med666.10.9008 5B SF Bay High661.50.9070 TriNum W/L Low1250.60.4798 Predom. Dn M/H576.81.0402 5B AP Low1038.90.5775 TriNum W/L Med827.10.7254 Predom. Dn High537.81.1157 5B AP L/M780.30.7689 TriNum W/L Hig690.80.8686 ChiMac Up Low950.50.6312 5B AP Med656.20.9143 Predom. Upwind756.10.7935 ChiMac Up Med841.60.7129 5B AP M/H587.61.0210 Predom. Reaching676.90.8864 ChiMac Up High717.00.8368 5B AP High562.41.0668 Predom. Downwind739.10.8118 ChiMac Off Low976.10.6147 5B W/L Low1420.70.4223 Predom. Up Low1103.40.5438 ChiMac Off Med840.60.7138 5B W/L L/M993.40.6040 Predom. Up L/M809.70.7410 ChiMac Off High683.30.8780 5B W/L Med807.70.7428 Predom. Up Med691.50.8677 ChiMac AP Low956.20.6275 5B W/L M/H701.50.8553 Predom. Up M/H630.60.9515 ChiMac AP Med835.90.7178 5B W/L High669.90.8957 Predom. Up High615.50.9748 ChiMac AP High696.90.8610 W/L 60-40 Low1413.70.4244 Predom. Rc Low1001.30.5992 BayMac Cove Island1116.40.5374 W/L 60-40 L/M998.60.6008 Predom. Rc L/M730.20.8217 BayMac Shore1104.30.5433 W/L 60-40 Med820.70.7311 Predom. Rc Med619.90.9678 Harvest Moon586.71.0227 W/L 60-40 M/H722.10.8309 Predom. Rc M/H558.01.0753 5B SF Bay Low1180.10.5084 W/L 60-40 High697.00.8608      SA/DSPL Up17.47SA/DSPL Dn17.47
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance736.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating736.50.8147
FinRating, kevyt tuuli1405.00.7118
FinRating, kova tuuli566.80.8822
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8147
Triple Number Coastal/Long Distance Low0.6562
Triple Number Coastal/Long Distance Medium0.8973
Triple Number Coastal/Long Distance High1.0349
Triple Number Windward/Leeward Low0.5054
Triple Number Windward/Leeward Medium0.7254
Triple Number Windward/Leeward High0.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
For information
General Purpose Handicap (GPH)765.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Saronikos S All Purpose773.80.7754
Saronikos S Upwind861.80.6963
Saronikos S Downwind685.60.8752
Saronikos N All Purpose824.20.7279
Saronikos N Upwind903.80.6639
Saronikos N Downwind769.50.7797
Saronikos SW All Purpose792.50.7571
Saronikos SW Upwind893.30.6717
Saronikos SW Downwind708.80.8465
Saronikos NE All Purpose871.20.6887
Saronikos NE Upwind845.90.7093
Saronikos NE Downwind890.00.6742
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose701.10.8557
5-Band All Purpose Low1126.40.5326
5-Band All Purpose L/M808.70.7419
5-Band All Purpose Med676.30.8872
5-Band All Purpose M/H602.00.9966
5-Band All Purpose High574.91.0436
Single Number Predominant Upwind718.70.8349
Single Number Predominant Reaching644.80.9305
Single Number Predominant Downwind699.40.8578
5-Band 50-50 Windward/Leeward Low1420.70.4223
5-Band 50-50 Windward/Leeward L/M993.40.6040
5-Band 50-50 Windward/Leeward Med807.70.7428
5-Band 50-50 Windward/Leeward M/H701.50.8553
5-Band 50-50 Windward/Leeward High669.90.8957
5-Band 60-40 Windward/Leeward Low1413.70.4244
5-Band 60-40 Windward/Leeward L/M998.60.6008
5-Band 60-40 Windward/Leeward Med820.70.7311
5-Band 60-40 Windward/Leeward M/H722.10.8309
5-Band 60-40 Windward/Leeward High697.00.8608
Triple Number 50-50 Windward/Leeward Low1250.60.4798
Triple Number 50-50 Windward/Leeward Med827.30.7252
Triple Number 50-50 Windward/Leeward High690.80.8686
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward845.20.7099
Triple Number 60-40 Windward/Leeward Low1247.80.4808
Triple Number 60-40 Windward/Leeward Med839.20.7150
Triple Number 60-40 Windward/Leeward High713.00.8415
Triple Number All-Purpose Low999.00.6006
Triple Number All-Purpose Med689.90.8697
Triple Number All-Purpose High593.51.0109
Triple Number Predominant Upwind Low996.90.6018
Triple Number Predominant Upwind Med707.90.8475
Triple Number Predominant Upwind High629.30.9535
Triple Number Predominant Reaching Low896.90.6690
Triple Number Predominant Reaching Med641.30.9357
Triple Number Predominant Reaching High540.11.1109
Triple Number Predominant Downwind Low1025.20.5853
Triple Number Predominant Downwind Med683.70.8776
Triple Number Predominant Downwind High556.41.0783
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low914.4
Triple Number Coastal/Long Distance Medium668.7
Triple Number Coastal/Long Distance High579.8
Triple Number Windward/Leeward Low1187.2
Triple Number Windward/Leeward Medium827.1
Triple Number Windward/Leeward High690.8
Predominantly Upwind720.6
Predominantly Downwind698.3
Predominantly Reaching661.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6562
Triple Number Coastal/Long Distance Medium0.8973
Triple Number Coastal/Long Distance High1.0349
Triple Number Windward/Leeward Low0.5054
Triple Number Windward/Leeward Medium0.7254
Triple Number Windward/Leeward High0.8686
Coastal/Long Distance0.8147
Predominantly Upwind0.8326
Predominantly Downwind0.8592
For information
General Purpose Handicap (GPH)765.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8909
Distanseseilas Trippeltall svak vind0.6562
Distanseseilas Trippeltall mellomvind0.8973
Distanseseilas Trippeltall sterk vind1.0349
Pølsebane Trippeltall svak vind0.5054
Pølsebane Trippeltall mellomvind0.7254
Pølsebane Trippeltall sterk vind0.8686
Motvind Singeltall0.8326
Medvind Singeltall0.8592
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Coastal/Long Distance736.50.8147
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind720.60.8326
Predominantly Downwind698.30.8592
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore663.70.9040
Cape Doctor Coastal553.31.0844
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6562
Triple Number Coastal/Long Distance Medium0.8973
Triple Number Coastal/Long Distance High1.0349
Triple Number Windward/Leeward Low0.5054
Triple Number Windward/Leeward Medium0.7254
Triple Number Windward/Leeward High0.8686
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6562
Triple Number Coastal/Long Distance Medium0.8973
Triple Number Coastal/Long Distance High1.0349
Triple Number Windward/Leeward Low0.5054
Triple Number Windward/Leeward Medium0.7254
Triple Number Windward/Leeward High0.8686
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Predominantly Upwind720.60.8326
Predominantly Downwind698.30.8592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance736.50.8147
Triple Number Coastal/Long Distance Low914.40.6562
Triple Number Coastal/Long Distance Medium668.70.8973
Triple Number Coastal/Long Distance High579.81.0349
Triple Number Windward/Leeward Low1187.20.5054
Triple Number Windward/Leeward Medium827.10.7254
Triple Number Windward/Leeward High690.80.8686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1987.51332.8982.0798.3687.5627.6589.0534.4519.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP701.10.8557 Predom. Dn High537.81.1157 5B AP M/H587.61.0210 TriNum AP Low914.30.6562 Predom. Rc Low1001.30.5992 5B AP High562.41.0668 TriNum AP Med668.80.8971 Predom. Rc L/M730.20.8217 5B SF Bay Low1180.10.5084 TriNum AP High579.71.0349 Predom. Rc Med619.90.9678 5B SF Bay L/M946.50.6339 TriNum W/L Low1250.60.4798 Predom. Rc M/H558.01.0753 5B SF Bay Med781.70.7675 TriNum W/L Med827.10.7254 Predom. Rc High530.71.1306 5B SF Bay M/H688.40.8715 TriNum W/L Hig690.80.8686 5B W/L Low1420.70.4223 5B SF Bay High661.50.9070 Predom. Upwind756.10.7935 5B W/L L/M993.40.6040 ChiMac Up Low950.50.6312 Predom. Reaching676.90.8864 5B W/L Med807.70.7428 ChiMac Up Med841.60.7129 Predom. Downwind739.10.8118 5B W/L M/H701.50.8553 ChiMac Up High717.00.8368 Predom. Up Low1103.40.5438 5B W/L High669.90.8957 ChiMac Off Low976.10.6147 Predom. Up L/M809.70.7410 W/L 60-40 Low1413.70.4244 ChiMac Off Med840.60.7138 Predom. Up Med691.50.8677 W/L 60-40 L/M998.60.6008 ChiMac Off High683.30.8780 Predom. Up M/H630.60.9515 W/L 60-40 Med820.70.7311 ChiMac AP Low956.20.6275 Predom. Up High615.50.9748 W/L 60-40 M/H722.10.8309 ChiMac AP Med835.90.7178 Predom. Dn Low1167.30.5140 W/L 60-40 High697.00.8608 ChiMac AP High696.90.8610 Predom. Dn L/M816.70.7347 5B AP Low1038.90.5775 BayMac Cove Island1116.40.5374 Predom. Dn Med666.10.9008 5B AP L/M780.30.7689 BayMac Shore1104.30.5433 Predom. Dn M/H576.81.0402 5B AP Med656.20.9143 Harvest Moon586.71.0227      SA/DSPL Up17.47SA/DSPL Dn17.47
ORC Ref  03440004NFC Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 30 CLASSICMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.040Maximum beam3.040Draft1.559Displacement3,536Wetted area18.59IMS L8.105LSM07.886Accomod. length9.040Sink (kg/mm) 14.37
VCGD0.180VCGM0.218 RM Rated (kg·m) 68.6Limit of positive stability(°) 103.5 Stability Index 102.7 BLR index 0.0000Default crew weight491 Declared crew weight 0
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.360PBWPIPA0.0031
EDL1.610ST10.035ST20.180
ST30.180ST40.100ST50.290
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P10.190IG11.480ISP11.480MDT10.120MDL10.180MDT20.120MDL20.180TL0.000MW0.000GO0.000
E3.720J3.340BAS1.630FSDFoilSFJ0.000SPL3.420WPLTPS0.000BD0.000MWT0.00MCG0.000
PY0.000MDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.180Flotation Date01/01/2015
SFFP0.787FFM1.150FF1.149LCFcl4.866SG1.0280
SAFP8.220FAM0.960FA0.960LCFsh5.100HBI1.022
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440004NFC Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AlidaNOR 9479
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment372-2015040212000.130.741.342.303.0521.9502/04/2015
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment372-2015040212010.040.410.781.612.533.5211.14NoNo 18.7502/04/2015
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.0 mTable area0.44 m²Headroom1.62 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity60 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity30 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03440004NFC Issued on 28/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org