Club Certificate2026
FannyFIN-3649
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
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°45.3°43.4°40.5°40.1°39.8°39.7°40.1°41.5°
Beat VMG2.243.143.754.144.374.464.514.524.41
52°3.604.915.726.106.286.396.456.506.47
60°3.985.266.016.346.476.586.646.706.70
75°4.355.596.256.566.746.846.917.017.07
90°4.375.636.326.666.907.097.247.447.55
110°3.985.286.156.616.917.187.467.948.24
120°3.665.056.026.556.877.177.478.098.55
135°3.174.535.556.266.686.997.328.058.68
150°2.623.864.915.766.356.727.027.708.41
Run VMG2.273.344.265.035.706.226.607.187.82
Gybe Angles141.5°146.5°151.9°155.6°163.5°171.4°178.1°178.6°177.7°
APH ToD:620.3CDL: 7.316APH ToT: 0.9673CertNo:03649
BOAT
ClassInferno 31DesignerHåkan SödergrenBuilderFinngulf MarineAge date01/1984Series date01/1984Offset fileINFERNO-31.offData fileL-3649
HULL
Length Overall9.447 mMaximum Beam3.018 mDraft1.631 mDisplacement4,259 kgDLR8.3523IMS DivisionCruiser/RacerDynamic Allowance0.340%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.354m
CREW
Maximum weight380 kg(declared)Minimum weight250 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.6231.15Headsail Luffed21.8621.86Headsail Flying43.0343.03Symmetric59.9559.95Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.18Storm Jib6.96Heavy Weather Jib18.79
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 74.2 kg·m Stability Index 123.3
COMMENTS
IG and ISP to be remeasured ex Alexandra
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  04140004MK8 Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FannyFIN-3649
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
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 VMG1609.01146.4959.1868.8824.7806.9798.0796.9815.8
52°1001.3732.7629.1590.3573.0563.0558.0553.9556.1
60°904.0684.0599.4568.2556.4547.4542.3537.2537.2
75°827.0644.5576.2548.5534.1526.3521.3513.2509.2
90°822.9639.8570.0540.3521.8507.8497.1483.9476.9
110°905.3681.4585.1544.5520.9501.6482.9453.2437.0
120°984.7713.2598.3550.0523.8502.2481.6444.9420.9
135°1133.9793.9648.7574.7539.3514.8491.7447.3414.9
150°1374.4932.3733.8624.8566.6535.8512.7467.7428.3
Run VMG1587.01076.6846.0715.5631.3578.9545.6501.7460.2
Selected Courses
Windward / Leeward1598.01111.5902.6792.1728.0692.9671.8649.3638.0
All purpose1178.0844.7705.5637.5600.9579.8565.1544.4533.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward760.90.7886
All purpose620.30.9673
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6773
Downwind "popa"0.8579
70% up, 30% down "Ilhabela"0.7230
30% up, 70% down "Ilhabela-inverso"0.7944
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Predominantly Upwind673.30.8911
Predominantly Downwind622.10.9644
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP644.00.9317 Predom. Rc High514.21.1669 5B SF Bay L/M830.60.7223 TriNum AP Low775.10.7741 Predom. Dn Low935.90.6411 5B SF Bay Med721.80.8312 TriNum AP Med616.60.9731 Predom. Dn L/M697.80.8598 5B SF Bay M/H664.30.9032 TriNum AP High561.01.0695 Predom. Dn Med602.10.9966 5B SF Bay High641.10.9358 TriNum W/L Low1055.10.5687 Predom. Dn M/H544.11.1027 5B AP Low849.60.7062 TriNum W/L Med755.20.7945 Predom. Dn High511.31.1735 5B AP L/M686.60.8739 TriNum W/L Hig668.70.8973 ChiMac Up Low832.30.7209 5B AP Med609.20.9849 Predom. Upwind700.00.8572 ChiMac Up Med758.60.7909 5B AP M/H567.11.0580 Predom. Reaching610.80.9824 ChiMac Up High673.40.8910 5B AP High546.11.0986 Predom. Downwind650.10.9230 ChiMac Off Low808.80.7418 5B W/L Low1180.90.5081 Predom. Up Low936.60.6406 ChiMac Off Med718.50.8350 5B W/L L/M868.60.6907 Predom. Up L/M728.40.8237 ChiMac Off High611.90.9806 5B W/L Med742.70.8079 Predom. Up Med655.10.9159 ChiMac AP Low815.00.7362 5B W/L M/H676.30.8872 Predom. Up M/H619.70.9682 ChiMac AP Med734.60.8168 5B W/L High651.30.9213 Predom. Up High607.20.9882 ChiMac AP High640.20.9372 W/L 60-40 Low1187.70.5052 Predom. Rc Low818.10.7334 BayMac Cove Island939.20.6388 W/L 60-40 L/M881.90.6804 Predom. Rc L/M640.60.9366 BayMac Shore930.20.6450 W/L 60-40 Med761.80.7876 Predom. Rc Med575.01.0435 Harvest Moon545.71.0995 W/L 60-40 M/H701.40.8555 Predom. Rc M/H536.21.1190 5B SF Bay Low996.70.6020 W/L 60-40 High681.10.8809      SA/DSPL Up19.88SA/DSPL Dn34.30
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance675.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating675.00.8888
FinRating, kevyt tuuli1156.90.8644
FinRating, kova tuuli549.60.9098
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8888
Triple Number Coastal/Long Distance Low0.7741
Triple Number Coastal/Long Distance Medium0.9732
Triple Number Coastal/Long Distance High1.0695
Triple Number Windward/Leeward Low0.5958
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
For information
General Purpose Handicap (GPH)691.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Saronikos S All Purpose704.10.8521
Saronikos S Upwind790.30.7592
Saronikos S Downwind593.11.0117
Saronikos N All Purpose737.30.8138
Saronikos N Upwind819.50.7322
Saronikos N Downwind644.60.9308
Saronikos SW All Purpose706.10.8498
Saronikos SW Upwind801.70.7484
Saronikos SW Downwind604.00.9934
Saronikos NE All Purpose755.60.7941
Saronikos NE Upwind758.00.7916
Saronikos NE Downwind720.60.8326
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose644.00.9317
5-Band All Purpose Low929.30.6457
5-Band All Purpose L/M710.00.8450
5-Band All Purpose Med626.70.9574
5-Band All Purpose M/H580.61.0335
5-Band All Purpose High558.41.0746
Single Number Predominant Upwind671.90.8930
Single Number Predominant Reaching589.21.0184
Single Number Predominant Downwind623.00.9631
5-Band 50-50 Windward/Leeward Low1180.90.5081
5-Band 50-50 Windward/Leeward L/M868.60.6907
5-Band 50-50 Windward/Leeward Med742.70.8079
5-Band 50-50 Windward/Leeward M/H676.30.8872
5-Band 50-50 Windward/Leeward High651.30.9213
5-Band 60-40 Windward/Leeward Low1187.70.5052
5-Band 60-40 Windward/Leeward L/M881.90.6804
5-Band 60-40 Windward/Leeward Med761.80.7876
5-Band 60-40 Windward/Leeward M/H701.40.8555
5-Band 60-40 Windward/Leeward High681.10.8809
Triple Number 50-50 Windward/Leeward Low1055.10.5687
Triple Number 50-50 Windward/Leeward Med755.20.7944
Triple Number 50-50 Windward/Leeward High668.70.8973
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward779.80.7694
Triple Number 60-40 Windward/Leeward Low1063.90.5640
Triple Number 60-40 Windward/Leeward Med773.40.7758
Triple Number 60-40 Windward/Leeward High694.90.8634
Triple Number All-Purpose Low839.60.7146
Triple Number All-Purpose Med634.80.9452
Triple Number All-Purpose High574.11.0451
Triple Number Predominant Upwind Low857.20.7000
Triple Number Predominant Upwind Med664.50.9029
Triple Number Predominant Upwind High622.60.9637
Triple Number Predominant Reaching Low750.70.7992
Triple Number Predominant Reaching Med591.41.0145
Triple Number Predominant Reaching High520.61.1526
Triple Number Predominant Downwind Low838.60.7155
Triple Number Predominant Downwind Med611.00.9819
Triple Number Predominant Downwind High523.61.1459
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low775.1
Triple Number Coastal/Long Distance Medium616.5
Triple Number Coastal/Long Distance High561.0
Triple Number Windward/Leeward Low1007.0
Triple Number Windward/Leeward Medium755.2
Triple Number Windward/Leeward High668.7
Predominantly Upwind673.3
Predominantly Downwind622.1
Predominantly Reaching597.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7741
Triple Number Coastal/Long Distance Medium0.9732
Triple Number Coastal/Long Distance High1.0695
Triple Number Windward/Leeward Low0.5958
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.8973
Coastal/Long Distance0.8888
Predominantly Upwind0.8911
Predominantly Downwind0.9644
For information
General Purpose Handicap (GPH)691.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9673
Distanseseilas Trippeltall svak vind0.7741
Distanseseilas Trippeltall mellomvind0.9732
Distanseseilas Trippeltall sterk vind1.0695
Pølsebane Trippeltall svak vind0.5958
Pølsebane Trippeltall mellomvind0.7945
Pølsebane Trippeltall sterk vind0.8973
Motvind Singeltall0.8911
Medvind Singeltall0.9644
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Coastal/Long Distance675.00.8888
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind673.30.8911
Predominantly Downwind622.10.9644
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore641.40.9355
Cape Doctor Coastal536.81.1176
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7741
Triple Number Coastal/Long Distance Medium0.9732
Triple Number Coastal/Long Distance High1.0695
Triple Number Windward/Leeward Low0.5958
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.8973
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7741
Triple Number Coastal/Long Distance Medium0.9732
Triple Number Coastal/Long Distance High1.0695
Triple Number Windward/Leeward Low0.5958
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.8973
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Predominantly Upwind673.30.8911
Predominantly Downwind622.10.9644
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.00.8888
Triple Number Coastal/Long Distance Low775.10.7741
Triple Number Coastal/Long Distance Medium616.50.9732
Triple Number Coastal/Long Distance High561.01.0695
Triple Number Windward/Leeward Low1007.00.5958
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High668.70.8973
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1596.91108.0847.1715.6641.3601.6570.4518.9505.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP644.00.9317 Predom. Dn High511.31.1735 5B AP M/H567.11.0580 TriNum AP Low775.10.7741 Predom. Rc Low818.10.7334 5B AP High546.11.0986 TriNum AP Med616.60.9731 Predom. Rc L/M640.60.9366 5B SF Bay Low996.70.6020 TriNum AP High561.01.0695 Predom. Rc Med575.01.0435 5B SF Bay L/M830.60.7223 TriNum W/L Low1055.10.5687 Predom. Rc M/H536.21.1190 5B SF Bay Med721.80.8312 TriNum W/L Med755.20.7945 Predom. Rc High514.21.1669 5B SF Bay M/H664.30.9032 TriNum W/L Hig668.70.8973 5B W/L Low1180.90.5081 5B SF Bay High641.10.9358 Predom. Upwind700.00.8572 5B W/L L/M868.60.6907 ChiMac Up Low832.30.7209 Predom. Reaching610.80.9824 5B W/L Med742.70.8079 ChiMac Up Med758.60.7909 Predom. Downwind650.10.9230 5B W/L M/H676.30.8872 ChiMac Up High673.40.8910 Predom. Up Low936.60.6406 5B W/L High651.30.9213 ChiMac Off Low808.80.7418 Predom. Up L/M728.40.8237 W/L 60-40 Low1187.70.5052 ChiMac Off Med718.50.8350 Predom. Up Med655.10.9159 W/L 60-40 L/M881.90.6804 ChiMac Off High611.90.9806 Predom. Up M/H619.70.9682 W/L 60-40 Med761.80.7876 ChiMac AP Low815.00.7362 Predom. Up High607.20.9882 W/L 60-40 M/H701.40.8555 ChiMac AP Med734.60.8168 Predom. Dn Low935.90.6411 W/L 60-40 High681.10.8809 ChiMac AP High640.20.9372 Predom. Dn L/M697.80.8598 5B AP Low849.60.7062 BayMac Cove Island939.20.6388 Predom. Dn Med602.10.9966 5B AP L/M686.60.8739 BayMac Shore930.20.6450 Predom. Dn M/H544.11.1027 5B AP Med609.20.9849 Harvest Moon545.71.0995      SA/DSPL Up19.88SA/DSPL Dn34.30
ORC Ref  04140004MK8 Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FannyFIN-3649
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassInferno 31Measurement31/05/2010HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.447Maximum beam3.018Draft1.631Displacement4,259Wetted area19.31IMS L8.076LSM07.989Accomod. length9.447Sink (kg/mm) 14.33
VCGD-0.043VCGM-0.017 RM Rated (kg·m) 74.2Limit of positive stability(°) 121.0 Stability Index 123.3 BLR index 0.0000Default crew weight500 Declared crew weight 380
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.354PBW0.096PIPA0.0061
PSD0.025PHD71.700PHL0.116
PSA20.0°ESL0.786
ST10.025ST20.077ST30.077
ST40.048ST50.150
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P12.450IG11.696ISP11.776MDT10.120MDL10.170MDT20.100MDL20.124TL2.090MW0.170GO0.200
E4.210J3.575BAS1.476FSD0.026SFJ0.170SPL3.720WPLTPS4.200BD0.125MWT102.00MCG4.900
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS111.7764.200
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date01/09/2009MeasurerFIN01
SFFP0.593FFM1.204FF1.219LCFcl5.483SG1.0050
SAFP8.565FAM0.944FA0.955LCFsh5.689HBI1.056
W159.6W259.6W359.6W459.6
PD1604.6PD2597.4PD3598.8PD4599.2
WD9.570PLM9000.00GSA1.0RSA1.0RM74.9
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Water RST Empty5005.502Fuel RST FB adjusted 1 mm0.900045204.603Waste RST Empty3006.70Total deductible184.60
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery2x75Ah7.101Anchor120.252Anchor107.80Total deductible223.68
ORC Ref  04140004MK8 Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FannyFIN-3649
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.020.841.532.663.5030.6228/04/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentFlying0.051.072.103.965.426.5911.76NoYes143.0328/04/2025G30.100.480.911.832.833.8511.58NoNo 21.8623/05/2010
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment211.6011.6011.606.216.1759.9523/05/2010White/Y/G111.5711.5711.576.216.2359.9123/05/2010Neon Y/W/Pink311.2011.2011.206.246.2958.3323/05/2010Blue/R/W
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity38 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004MK8 Issued on 22/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org