Club Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 Angles46.7°44.1°41.6°40.3°39.3°38.6°38.7°38.8°39.7°
Beat VMG2.373.394.154.705.055.225.315.385.34
52°3.745.216.206.857.237.427.527.607.59
60°4.045.516.487.087.427.627.727.827.84
75°4.265.716.677.257.597.827.988.178.28
90°4.135.596.667.307.617.878.108.478.74
110°4.075.706.867.527.908.208.428.788.86
120°3.945.546.727.457.898.258.619.189.56
135°3.464.996.207.097.668.078.479.3310.25
150°2.884.245.416.417.187.688.078.889.76
Run VMG2.493.674.695.576.316.937.418.158.90
Gybe Angles140.3°145.3°149.4°152.5°157.4°164.4°169.8°176.3°171.4°
APH ToD:549.3CDL: 9.541APH ToT: 1.0923CertNo:13267
BOAT
ClassX-412DesignerN. JeppesenBuilderX-YachtsAge date01/1991Series date01/1990Offset filened3970.offData fileNED3970
HULL
Length Overall12.476 mMaximum Beam3.896 mDraft2.120 mDisplacement7,767 kgDLR8.2574IMS DivisionCruiser/RacerDynamic Allowance0.240%Age Allowance0.650%RS Assessment-0.305%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight639 kg(declared)Minimum weight509 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.0339.61Headsail Luffed39.5039.50Headsail FlyingSymmetric117.66117.66Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail11.79Storm Jib13.65Heavy Weather Jib36.85
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 167.0 kg·m Stability Index 118.2
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  04310004JU9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 VMG1521.81061.4867.7766.6713.5689.5677.7669.3674.6
52°963.8691.1580.9525.2498.2485.0478.9473.5474.1
60°891.8653.6556.0508.7485.1472.7466.0460.1458.9
75°845.6630.1539.5496.8474.3460.6451.2440.4434.9
90°872.2644.0540.6493.1473.3457.4444.7425.0411.8
110°885.1631.4524.6478.8455.6439.2427.6410.3406.2
120°913.5649.4535.9483.5456.5436.2418.2392.0376.6
135°1041.8721.2580.9507.7470.1446.3425.0385.7351.3
150°1250.4848.9664.9561.5501.7468.6446.2405.2368.7
Run VMG1443.8980.2767.8646.9570.1519.8485.7441.9404.7
Selected Courses
Windward / Leeward1482.81020.8817.7706.8641.8604.6581.7555.6539.6
All purpose1119.6787.0642.9568.6528.3505.0489.7469.0456.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward673.60.8908
All purpose549.31.0923
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7713
Downwind "popa"0.9519
70% up, 30% down "Ilhabela"0.8178
30% up, 70% down "Ilhabela-inverso"0.8894
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Predominantly Upwind596.61.0057
Predominantly Downwind555.71.0797
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP572.01.0489 Predom. Rc High444.71.3491 5B SF Bay L/M746.90.8033 TriNum AP Low715.00.8392 Predom. Dn Low866.30.6926 5B SF Bay Med634.70.9454 TriNum AP Med545.51.0998 Predom. Dn L/M631.50.9501 5B SF Bay M/H573.21.0468 TriNum AP High485.81.2351 Predom. Dn Med534.81.1220 5B SF Bay High547.01.0969 TriNum W/L Low964.50.6221 Predom. Dn M/H476.21.2600 5B AP Low795.30.7545 TriNum W/L Med668.80.8971 Predom. Dn High443.01.3543 5B AP L/M621.00.9661 TriNum W/L Hig577.61.0387 ChiMac Up Low765.50.7838 5B AP Med537.41.1164 Predom. Upwind623.20.9628 ChiMac Up Med685.60.8752 5B AP M/H492.11.2194 Predom. Reaching550.01.0908 ChiMac Up High593.71.0106 5B AP High470.41.2754 Predom. Downwind582.11.0308 ChiMac Off Low740.00.8108 5B W/L Low1085.50.5527 Predom. Up Low878.80.6828 ChiMac Off Med650.10.9229 5B W/L L/M782.50.7667 Predom. Up L/M659.40.9099 ChiMac Off High544.61.1017 5B W/L Med656.10.9145 Predom. Up Med575.81.0420 ChiMac AP Low749.50.8005 5B W/L M/H586.21.0235 Predom. Up M/H534.41.1227 ChiMac AP Med665.60.9014 5B W/L High557.31.0765 Predom. Up High518.11.1580 ChiMac AP High567.91.0566 W/L 60-40 Low1094.00.5484 Predom. Rc Low776.50.7727 BayMac Cove Island864.00.6945 W/L 60-40 L/M793.60.7560 Predom. Rc L/M584.71.0262 BayMac Shore857.50.6997 W/L 60-40 Med670.50.8949 Predom. Rc Med511.11.1740 Harvest Moon483.41.2413 W/L 60-40 M/H605.20.9914 Predom. Rc M/H469.01.2794 5B SF Bay Low914.00.6564 W/L 60-40 High580.21.0341      SA/DSPL Up19.89SA/DSPL Dn39.68
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance597.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating597.61.0040
FinRating, kevyt tuuli1069.40.9351
FinRating, kova tuuli473.41.0563
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0040
Triple Number Coastal/Long Distance Low0.8392
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2351
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8971
Triple Number Windward/Leeward High1.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
For information
General Purpose Handicap (GPH)618.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Saronikos S All Purpose632.00.9493
Saronikos S Upwind716.20.8377
Saronikos S Downwind531.11.1296
Saronikos N All Purpose662.30.9060
Saronikos N Upwind749.00.8011
Saronikos N Downwind580.51.0336
Saronikos SW All Purpose640.40.9369
Saronikos SW Upwind740.20.8106
Saronikos SW Downwind540.61.1098
Saronikos NE All Purpose688.60.8713
Saronikos NE Upwind703.40.8530
Saronikos NE Downwind655.70.9151
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose572.01.0489
5-Band All Purpose Low868.90.6906
5-Band All Purpose L/M643.80.9320
5-Band All Purpose Med554.51.0820
5-Band All Purpose M/H504.91.1883
5-Band All Purpose High480.41.2491
Single Number Predominant Upwind595.51.0075
Single Number Predominant Reaching527.71.1370
Single Number Predominant Downwind556.21.0788
5-Band 50-50 Windward/Leeward Low1085.50.5527
5-Band 50-50 Windward/Leeward L/M782.50.7667
5-Band 50-50 Windward/Leeward Med656.10.9145
5-Band 50-50 Windward/Leeward M/H586.21.0235
5-Band 50-50 Windward/Leeward High557.31.0765
5-Band 60-40 Windward/Leeward Low1094.00.5484
5-Band 60-40 Windward/Leeward L/M793.60.7560
5-Band 60-40 Windward/Leeward Med670.50.8949
5-Band 60-40 Windward/Leeward M/H605.20.9914
5-Band 60-40 Windward/Leeward High580.21.0341
Triple Number 50-50 Windward/Leeward Low964.50.6221
Triple Number 50-50 Windward/Leeward Med668.90.8970
Triple Number 50-50 Windward/Leeward High577.61.0387
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward688.10.8719
Triple Number 60-40 Windward/Leeward Low973.60.6162
Triple Number 60-40 Windward/Leeward Med682.80.8788
Triple Number 60-40 Windward/Leeward High597.61.0040
Triple Number All-Purpose Low778.10.7711
Triple Number All-Purpose Med563.21.0653
Triple Number All-Purpose High497.91.2050
Triple Number Predominant Upwind Low796.50.7533
Triple Number Predominant Upwind Med586.61.0229
Triple Number Predominant Upwind High534.71.1221
Triple Number Predominant Reaching Low703.20.8533
Triple Number Predominant Reaching Med526.51.1397
Triple Number Predominant Reaching High454.21.3209
Triple Number Predominant Downwind Low771.50.7777
Triple Number Predominant Downwind Med544.71.1015
Triple Number Predominant Downwind High457.81.3106
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low715.0
Triple Number Coastal/Long Distance Medium545.5
Triple Number Coastal/Long Distance High485.8
Triple Number Windward/Leeward Low919.3
Triple Number Windward/Leeward Medium668.8
Triple Number Windward/Leeward High577.6
Predominantly Upwind596.6
Predominantly Downwind555.7
Predominantly Reaching535.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8392
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2351
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8971
Triple Number Windward/Leeward High1.0387
Coastal/Long Distance1.0040
Predominantly Upwind1.0057
Predominantly Downwind1.0797
For information
General Purpose Handicap (GPH)618.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0923
Distanseseilas Trippeltall svak vind0.8392
Distanseseilas Trippeltall mellomvind1.0999
Distanseseilas Trippeltall sterk vind1.2351
Pølsebane Trippeltall svak vind0.6527
Pølsebane Trippeltall mellomvind0.8971
Pølsebane Trippeltall sterk vind1.0387
Motvind Singeltall1.0057
Medvind Singeltall1.0797
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Coastal/Long Distance597.61.0040
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind596.61.0057
Predominantly Downwind555.71.0797
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore544.41.1021
Cape Doctor Coastal460.21.3037
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8392
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2351
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8971
Triple Number Windward/Leeward High1.0387
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8392
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2351
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8971
Triple Number Windward/Leeward High1.0387
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Predominantly Upwind596.61.0057
Predominantly Downwind555.71.0797
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.61.0040
Triple Number Coastal/Long Distance Low715.00.8392
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High485.81.2351
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium668.80.8971
Triple Number Windward/Leeward High577.61.0387
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1478.91016.7769.0638.6563.4523.9494.6449.7436.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP572.01.0489 Predom. Dn High443.01.3543 5B AP M/H492.11.2194 TriNum AP Low715.00.8392 Predom. Rc Low776.50.7727 5B AP High470.41.2754 TriNum AP Med545.51.0998 Predom. Rc L/M584.71.0262 5B SF Bay Low914.00.6564 TriNum AP High485.81.2351 Predom. Rc Med511.11.1740 5B SF Bay L/M746.90.8033 TriNum W/L Low964.50.6221 Predom. Rc M/H469.01.2794 5B SF Bay Med634.70.9454 TriNum W/L Med668.80.8971 Predom. Rc High444.71.3491 5B SF Bay M/H573.21.0468 TriNum W/L Hig577.61.0387 5B W/L Low1085.50.5527 5B SF Bay High547.01.0969 Predom. Upwind623.20.9628 5B W/L L/M782.50.7667 ChiMac Up Low765.50.7838 Predom. Reaching550.01.0908 5B W/L Med656.10.9145 ChiMac Up Med685.60.8752 Predom. Downwind582.11.0308 5B W/L M/H586.21.0235 ChiMac Up High593.71.0106 Predom. Up Low878.80.6828 5B W/L High557.31.0765 ChiMac Off Low740.00.8108 Predom. Up L/M659.40.9099 W/L 60-40 Low1094.00.5484 ChiMac Off Med650.10.9229 Predom. Up Med575.81.0420 W/L 60-40 L/M793.60.7560 ChiMac Off High544.61.1017 Predom. Up M/H534.41.1227 W/L 60-40 Med670.50.8949 ChiMac AP Low749.50.8005 Predom. Up High518.11.1580 W/L 60-40 M/H605.20.9914 ChiMac AP Med665.60.9014 Predom. Dn Low866.30.6926 W/L 60-40 High580.21.0341 ChiMac AP High567.91.0566 Predom. Dn L/M631.50.9501 5B AP Low795.30.7545 BayMac Cove Island864.00.6945 Predom. Dn Med534.81.1220 5B AP L/M621.00.9661 BayMac Shore857.50.6997 Predom. Dn M/H476.21.2600 5B AP Med537.41.1164 Harvest Moon483.41.2413      SA/DSPL Up19.89SA/DSPL Dn39.68
ORC Ref  04310004JU9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-412Measurement04/04/1996HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.476Maximum beam3.896Draft2.120Displacement7,767Wetted area30.19IMS L10.322LSM09.797Accomod. length12.476Sink (kg/mm) 21.51
VCGD-0.099VCGM0.039 RM Rated (kg·m) 167.0Limit of positive stability(°) 115.7 Stability Index 118.2 BLR index 0.0000Default crew weight669 Declared crew weight 639
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBW0.121PIPA0.0038
EDL2.800ST10.070ST20.180
ST30.180ST40.112ST50.285
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders3Rotating mastNo
P14.390IG16.483ISP16.443MDT10.117MDL10.213MDT20.117MDL20.178TL1.500MW0.213GO0.224
E4.680J4.900BAS1.838FSD0.023SFJ0.000SPL5.080WPLTPSBD0.189MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered169.5Flotation Date04/04/1996
SFFP0.432FFM1.290FF1.304LCFcl6.653SG1.0100
SAFP10.980FAM1.043FA1.053LCFsh6.928HBI1.180
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04310004JU9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.150.941.672.903.8539.0302/02/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentj10.080.751.382.543.654.6915.95YesNo 39.5025/02/202010.080.641.232.393.554.6815.95YesNo 37.9802/02/2018
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment202116.1416.1416.148.808.54117.66
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.5 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity162 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity100 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04310004JU9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org