Club Certificate2026
SABRISAFRA-9923
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 Angles46.3°44.2°42.3°40.0°38.2°37.8°38.0°38.6°40.8°
Beat VMG2.243.233.994.524.784.874.914.914.73
52°3.524.975.986.506.746.856.916.956.88
60°3.795.266.226.676.937.087.167.247.18
75°3.995.446.376.827.167.447.627.817.88
90°3.925.556.546.997.247.607.978.508.77
110°4.015.646.687.287.838.298.689.399.86
120°3.885.496.577.197.838.529.2410.3211.18
135°3.414.926.106.817.388.038.8611.0713.39
150°2.824.145.266.206.807.277.809.3712.25
Run VMG2.443.584.565.375.926.346.768.1210.61
Gybe Angles139.7°142.8°146.7°150.3°153.4°157.2°151.2°142.9°142.5°
APH ToD:573.6CDL: 8.080APH ToT: 1.0460CertNo:26328a
BOAT
ClassALPHENA ONEDesignerLE BIHAN TanguyBuilderLATITUDE YACHTSAge date01/2009Series date01/2008Offset fileAlphena One_DV.offData fileF9923_26328a
HULL
Length Overall8.490 mMaximum Beam2.352 mDraft1.619 mDisplacement1,700 kgDLR3.4832IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.585%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.210m
CREW
Maximum weight489 kg(default)Minimum weight359 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.0121.47Headsail Luffed15.1915.19Headsail FlyingSymmetricAsymmetric51.5251.52 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.23Storm Jib5.30Heavy Weather Jib14.30
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 33.4 kg·m Stability Index 128.7
COMMENTS
2026: 1st ORC / H.Sail Furler / NANNI N2.10 / From: ALEAL.dxt
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  04330004UMK Issued on 02/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SABRISAFRA-9923
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 VMG1606.81112.9901.8796.4752.8738.8732.6733.5760.5
52°1021.7724.1601.9553.9533.7525.5521.1518.1523.5
60°949.1684.6578.5539.6519.1508.6502.6497.5501.5
75°903.1661.4565.4528.0503.0483.9472.6461.1456.8
90°917.5648.3550.3515.4497.0473.7451.6423.3410.4
110°898.3638.3538.8494.3459.9434.2414.9383.5365.0
120°927.9655.6548.3500.7460.0422.4389.7348.9322.1
135°1055.7731.8590.0528.7487.9448.2406.3325.3268.8
150°1276.0870.5684.2580.8529.7494.9461.6384.1294.0
Run VMG1473.41005.2790.1670.5608.1567.9532.7443.5339.4
Selected Courses
Windward / Leeward1540.11059.1845.9733.5680.4653.3632.6588.5550.0
All purpose1164.6812.4663.5592.6555.6531.5512.0478.3454.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward711.70.8430
All purpose573.61.0460
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7281
Downwind "popa"0.9095
70% up, 30% down "Ilhabela"0.7744
30% up, 70% down "Ilhabela-inverso"0.8462
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Predominantly Upwind626.90.9572
Predominantly Downwind577.81.0384
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP597.41.0044 Predom. Rc High442.01.3575 5B SF Bay L/M775.60.7736 TriNum AP Low737.90.8131 Predom. Dn Low889.00.6749 5B SF Bay Med668.60.8974 TriNum AP Med571.01.0508 Predom. Dn L/M652.90.9190 5B SF Bay M/H610.30.9831 TriNum AP High504.21.1899 Predom. Dn Med560.51.0705 5B SF Bay High571.81.0494 TriNum W/L Low1000.00.6000 Predom. Dn M/H492.31.2188 5B AP Low821.10.7307 TriNum W/L Med705.10.8509 Predom. Dn High433.21.3849 5B AP L/M644.50.9309 TriNum W/L Hig621.20.9658 ChiMac Up Low798.30.7516 5B AP Med563.01.0656 Predom. Upwind655.50.9154 ChiMac Up Med717.70.8360 5B AP M/H513.31.1689 Predom. Reaching569.01.0544 ChiMac Up High623.90.9616 5B AP High480.01.2500 Predom. Downwind601.90.9968 ChiMac Off Low763.70.7857 5B W/L Low1126.00.5328 Predom. Up Low914.50.6561 ChiMac Off Med673.00.8916 5B W/L L/M813.20.7378 Predom. Up L/M686.20.8743 ChiMac Off High560.81.0699 5B W/L Med694.50.8640 Predom. Up Med607.60.9875 ChiMac AP Low777.40.7718 5B W/L M/H632.70.9484 Predom. Up M/H568.31.0559 ChiMac AP Med692.90.8659 5B W/L High589.51.0179 Predom. Up High548.21.0944 ChiMac AP High590.91.0154 W/L 60-40 Low1137.50.5275 Predom. Rc Low798.70.7513 BayMac Cove Island898.10.6681 W/L 60-40 L/M825.30.7270 Predom. Rc L/M604.50.9925 BayMac Shore891.50.6730 W/L 60-40 Med709.30.8459 Predom. Rc Med534.21.1231 Harvest Moon493.51.2157 W/L 60-40 M/H653.20.9185 Predom. Rc M/H481.81.2453 5B SF Bay Low946.90.6337 W/L 60-40 High619.20.9690      SA/DSPL Up25.37SA/DSPL Dn50.83
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance624.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating624.00.9615
FinRating, kevyt tuuli1108.40.9022
FinRating, kova tuuli480.51.0405
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9615
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0509
Triple Number Coastal/Long Distance High1.1899
Triple Number Windward/Leeward Low0.6299
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
For information
General Purpose Handicap (GPH)644.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Saronikos S All Purpose655.40.9155
Saronikos S Upwind751.40.7985
Saronikos S Downwind537.01.1173
Saronikos N All Purpose694.70.8637
Saronikos N Upwind790.30.7592
Saronikos N Downwind595.31.0079
Saronikos SW All Purpose657.10.9131
Saronikos SW Upwind774.00.7752
Saronikos SW Downwind541.11.1089
Saronikos NE All Purpose717.50.8362
Saronikos NE Upwind741.30.8094
Saronikos NE Downwind666.10.9007
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose597.41.0044
5-Band All Purpose Low897.70.6684
5-Band All Purpose L/M667.60.8987
5-Band All Purpose Med583.11.0289
5-Band All Purpose M/H529.81.1326
5-Band All Purpose High490.81.2225
Single Number Predominant Upwind625.50.9592
Single Number Predominant Reaching547.51.0960
Single Number Predominant Downwind578.91.0364
5-Band 50-50 Windward/Leeward Low1126.00.5328
5-Band 50-50 Windward/Leeward L/M813.20.7378
5-Band 50-50 Windward/Leeward Med694.50.8640
5-Band 50-50 Windward/Leeward M/H632.70.9484
5-Band 50-50 Windward/Leeward High589.51.0179
5-Band 60-40 Windward/Leeward Low1137.50.5275
5-Band 60-40 Windward/Leeward L/M825.30.7270
5-Band 60-40 Windward/Leeward Med709.30.8459
5-Band 60-40 Windward/Leeward M/H653.20.9185
5-Band 60-40 Windward/Leeward High619.20.9690
Triple Number 50-50 Windward/Leeward Low1000.00.6000
Triple Number 50-50 Windward/Leeward Med705.20.8508
Triple Number 50-50 Windward/Leeward High621.30.9658
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward727.10.8252
Triple Number 60-40 Windward/Leeward Low1011.40.5933
Triple Number 60-40 Windward/Leeward Med719.40.8340
Triple Number 60-40 Windward/Leeward High643.90.9318
Triple Number All-Purpose Low803.20.7470
Triple Number All-Purpose Med591.31.0147
Triple Number All-Purpose High519.31.1554
Triple Number Predominant Upwind Low827.50.7251
Triple Number Predominant Upwind Med617.10.9723
Triple Number Predominant Upwind High570.01.0526
Triple Number Predominant Reaching Low723.00.8298
Triple Number Predominant Reaching Med551.11.0888
Triple Number Predominant Reaching High461.01.3015
Triple Number Predominant Downwind Low792.60.7570
Triple Number Predominant Downwind Med570.51.0517
Triple Number Predominant Downwind High465.31.2895
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low737.9
Triple Number Coastal/Long Distance Medium570.9
Triple Number Coastal/Long Distance High504.2
Triple Number Windward/Leeward Low952.5
Triple Number Windward/Leeward Medium705.1
Triple Number Windward/Leeward High621.2
Predominantly Upwind626.9
Predominantly Downwind577.8
Predominantly Reaching554.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0509
Triple Number Coastal/Long Distance High1.1899
Triple Number Windward/Leeward Low0.6299
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9658
Coastal/Long Distance0.9615
Predominantly Upwind0.9572
Predominantly Downwind1.0384
For information
General Purpose Handicap (GPH)644.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0460
Distanseseilas Trippeltall svak vind0.8131
Distanseseilas Trippeltall mellomvind1.0509
Distanseseilas Trippeltall sterk vind1.1899
Pølsebane Trippeltall svak vind0.6299
Pølsebane Trippeltall mellomvind0.8509
Pølsebane Trippeltall sterk vind0.9658
Motvind Singeltall0.9572
Medvind Singeltall1.0384
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Coastal/Long Distance624.00.9615
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind626.90.9572
Predominantly Downwind577.81.0384
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore561.51.0685
Cape Doctor Coastal461.71.2996
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0509
Triple Number Coastal/Long Distance High1.1899
Triple Number Windward/Leeward Low0.6299
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9658
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0509
Triple Number Coastal/Long Distance High1.1899
Triple Number Windward/Leeward Low0.6299
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9658
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Predominantly Upwind626.90.9572
Predominantly Downwind577.81.0384
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance624.00.9615
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium570.91.0509
Triple Number Coastal/Long Distance High504.21.1899
Triple Number Windward/Leeward Low952.50.6299
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High621.20.9658
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1533.41053.7794.8663.9593.1552.0515.2452.4427.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP597.41.0044 Predom. Dn High433.21.3849 5B AP M/H513.31.1689 TriNum AP Low737.90.8131 Predom. Rc Low798.70.7513 5B AP High480.01.2500 TriNum AP Med571.01.0508 Predom. Rc L/M604.50.9925 5B SF Bay Low946.90.6337 TriNum AP High504.21.1899 Predom. Rc Med534.21.1231 5B SF Bay L/M775.60.7736 TriNum W/L Low1000.00.6000 Predom. Rc M/H481.81.2453 5B SF Bay Med668.60.8974 TriNum W/L Med705.10.8509 Predom. Rc High442.01.3575 5B SF Bay M/H610.30.9831 TriNum W/L Hig621.20.9658 5B W/L Low1126.00.5328 5B SF Bay High571.81.0494 Predom. Upwind655.50.9154 5B W/L L/M813.20.7378 ChiMac Up Low798.30.7516 Predom. Reaching569.01.0544 5B W/L Med694.50.8640 ChiMac Up Med717.70.8360 Predom. Downwind601.90.9968 5B W/L M/H632.70.9484 ChiMac Up High623.90.9616 Predom. Up Low914.50.6561 5B W/L High589.51.0179 ChiMac Off Low763.70.7857 Predom. Up L/M686.20.8743 W/L 60-40 Low1137.50.5275 ChiMac Off Med673.00.8916 Predom. Up Med607.60.9875 W/L 60-40 L/M825.30.7270 ChiMac Off High560.81.0699 Predom. Up M/H568.31.0559 W/L 60-40 Med709.30.8459 ChiMac AP Low777.40.7718 Predom. Up High548.21.0944 W/L 60-40 M/H653.20.9185 ChiMac AP Med692.90.8659 Predom. Dn Low889.00.6749 W/L 60-40 High619.20.9690 ChiMac AP High590.91.0154 Predom. Dn L/M652.90.9190 5B AP Low821.10.7307 BayMac Cove Island898.10.6681 Predom. Dn Med560.51.0705 5B AP L/M644.50.9309 BayMac Shore891.50.6730 Predom. Dn M/H492.31.2188 5B AP Med563.01.0656 Harvest Moon493.51.2157      SA/DSPL Up25.37SA/DSPL Dn50.83
ORC Ref  04330004UMK Issued on 02/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SABRISAFRA-9923
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassALPHENA ONEMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.490Maximum beam2.352Draft1.619Displacement1,700Wetted area12.83IMS L8.291LSM07.873Accomod. length7.644Sink (kg/mm) 9.75
VCGD-0.200VCGM-0.190 RM Rated (kg·m) 33.4Limit of positive stability(°) 130.4 Stability Index 128.7 BLR index 0.0000Default crew weight489 Declared crew weight
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.210PBW0.100PIPA0.0018
EDL1.500ST10.040ST20.150
ST30.150ST40.068ST50.280
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P9.740IG10.226ISP10.840MDT10.085MDL10.139MDT20.069MDL20.092TL1.050MW0.139GO0.159
E3.650J3.150BAS1.050FSD0.035SFJ0.250SPLWPLTPS3.950BD0.115MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.200Flotation Date01/01/2013
SFFP0.464FFM0.982FF0.982LCFcl4.810SG1.0247
SAFP8.490FAM0.794FA0.794LCFsh5.015HBI0.912
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04330004UMK Issued on 02/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SABRISAFRA-9923
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.130.731.342.323.0821.0112/05/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.040.370.751.562.433.309.47NoNo 15.1912/05/2026
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA111.4010.2010.805.705.8298%51.5212/05/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04330004UMK Issued on 02/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org