Non Spin/HSFClub Certificate2026
HattiwattiFIN 3464
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 Angles46.0°42.6°40.3°39.3°38.6°38.4°38.3°38.8°40.8°
Beat VMG2.413.363.974.274.404.464.504.494.34
52°3.785.055.796.116.236.296.346.376.33
60°4.065.295.976.276.396.466.526.576.56
75°4.245.456.106.416.606.706.786.906.95
90°4.125.386.096.456.706.897.057.277.42
110°3.544.835.796.336.676.977.267.788.08
120°3.224.575.566.206.586.897.217.908.55
135°2.734.015.035.816.316.656.967.668.51
150°2.263.394.405.245.916.356.677.308.07
Run VMG1.962.943.824.595.305.906.336.937.57
Gybe Angles141.2°146.2°152.8°160.4°170.5°178.1°179.5°179.7°179.5°
APH ToD:638.1CDL: 7.139APH ToT: 0.9403CertNo:
BOAT
ClassInferno 29DesignerHåkan SödergrenBuilderNa-BoatsAge date01/1984Series date01/1981Offset fileINFERNO29.offData fileFIN3464
HULL
Length Overall8.800 mMaximum Beam2.514 mDraft1.534 mDisplacement2,678 kgDLR6.3321IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight320 kg(declared)Minimum weight190 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.6427.29Headsail Luffed23.5423.54Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail7.70Storm Jib5.11Heavy Weather Jib13.79
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 45.2 kg·m Stability Index 126.5
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  04140004TRJ Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
HattiwattiFIN 3464
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 VMG1493.01073.0907.2842.3817.9807.2800.8801.3829.6
52°952.0713.0621.9589.4577.9572.2568.2564.8568.6
60°887.8681.2603.2574.5563.0557.0552.5547.8548.6
75°849.0660.7590.6561.6545.8536.9530.6521.4518.2
90°872.8669.6591.2557.9537.3522.2510.6495.1485.4
110°1016.5745.3621.6568.6539.8516.8496.1462.6445.5
120°1117.9787.8647.1580.6547.5522.4499.4455.9421.3
135°1320.5897.8716.4619.5570.7541.7517.3470.2422.8
150°1592.21061.2819.0687.4609.4566.9539.7493.4446.1
Run VMG1838.51225.4943.6783.7678.9609.8568.9519.2475.3
Selected Courses
Windward / Leeward1665.71149.2925.4813.0748.4708.5684.9660.2652.4
All purpose1236.9878.9727.9656.2618.0595.0579.1556.8544.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward780.30.7689
All purpose638.10.9403
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6942
Downwind "popa"0.7881
70% up, 30% down "Ilhabela"0.7200
30% up, 70% down "Ilhabela-inverso"0.7574
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Predominantly Upwind680.70.8815
Predominantly Downwind655.40.9155
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP663.90.9037 Predom. Rc High528.21.1360 5B SF Bay L/M848.20.7074 TriNum AP Low803.40.7468 Predom. Dn Low1022.90.5866 5B SF Bay Med738.10.8129 TriNum AP Med634.20.9461 Predom. Dn L/M745.40.8049 5B SF Bay M/H677.90.8851 TriNum AP High574.71.0440 Predom. Dn Med632.10.9492 5B SF Bay High653.50.9181 TriNum W/L Low1088.90.5510 Predom. Dn M/H564.31.0632 5B AP Low900.80.6661 TriNum W/L Med774.70.7745 Predom. Dn High527.51.1375 5B AP L/M708.60.8467 TriNum W/L Hig681.50.8804 ChiMac Up Low832.10.7210 5B AP Med626.40.9579 Predom. Upwind706.30.8495 ChiMac Up Med761.80.7876 5B AP M/H581.31.0322 Predom. Reaching634.70.9453 ChiMac Up High680.00.8824 5B AP High558.61.0741 Predom. Downwind688.50.8715 ChiMac Off Low874.00.6865 5B W/L Low1222.40.4908 Predom. Up Low933.90.6425 ChiMac Off Med768.40.7809 5B W/L L/M892.60.6722 Predom. Up L/M730.70.8211 ChiMac Off High644.10.9315 5B W/L Med761.90.7875 Predom. Up Med663.00.9050 ChiMac AP Low847.10.7083 5B W/L M/H690.00.8695 Predom. Up M/H630.50.9516 ChiMac AP Med760.80.7887 5B W/L High663.20.9048 Predom. Up High618.20.9706 ChiMac AP High659.40.9099 W/L 60-40 Low1205.20.4978 Predom. Rc Low865.20.6935 BayMac Cove Island978.10.6134 W/L 60-40 L/M893.20.6717 Predom. Rc L/M668.00.8982 BayMac Shore966.60.6207 W/L 60-40 Med774.70.7745 Predom. Rc Med594.81.0087 Harvest Moon564.81.0623 W/L 60-40 M/H712.70.8418 Predom. Rc M/H552.51.0859 5B SF Bay Low1018.10.5893 W/L 60-40 High691.70.8674      SA/DSPL Up25.94SA/DSPL Dn25.94
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance694.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating694.00.8645
FinRating, kevyt tuuli1206.60.8288
FinRating, kova tuuli561.90.8899
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8645
Triple Number Coastal/Long Distance Low0.7468
Triple Number Coastal/Long Distance Medium0.9462
Triple Number Coastal/Long Distance High1.0440
Triple Number Windward/Leeward Low0.5784
Triple Number Windward/Leeward Medium0.7745
Triple Number Windward/Leeward High0.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
For information
General Purpose Handicap (GPH)712.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Saronikos S All Purpose708.50.8469
Saronikos S Upwind775.40.7738
Saronikos S Downwind635.20.9446
Saronikos N All Purpose751.90.7980
Saronikos N Upwind805.60.7447
Saronikos N Downwind700.50.8566
Saronikos SW All Purpose712.10.8425
Saronikos SW Upwind785.30.7640
Saronikos SW Downwind650.10.9230
Saronikos NE All Purpose784.20.7651
Saronikos NE Upwind755.80.7939
Saronikos NE Downwind793.60.7560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose663.90.9037
5-Band All Purpose Low970.70.6181
5-Band All Purpose L/M734.60.8168
5-Band All Purpose Med645.50.9295
5-Band All Purpose M/H595.91.0069
5-Band All Purpose High571.71.0495
Single Number Predominant Upwind678.30.8846
Single Number Predominant Reaching610.80.9823
Single Number Predominant Downwind657.10.9131
5-Band 50-50 Windward/Leeward Low1222.40.4908
5-Band 50-50 Windward/Leeward L/M892.60.6722
5-Band 50-50 Windward/Leeward Med761.90.7875
5-Band 50-50 Windward/Leeward M/H690.00.8695
5-Band 50-50 Windward/Leeward High663.20.9048
5-Band 60-40 Windward/Leeward Low1205.20.4978
5-Band 60-40 Windward/Leeward L/M893.20.6717
5-Band 60-40 Windward/Leeward Med774.70.7745
5-Band 60-40 Windward/Leeward M/H712.70.8418
5-Band 60-40 Windward/Leeward High691.70.8674
Triple Number 50-50 Windward/Leeward Low1088.90.5510
Triple Number 50-50 Windward/Leeward Med774.80.7744
Triple Number 50-50 Windward/Leeward High681.50.8804
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward792.20.7574
Triple Number 60-40 Windward/Leeward Low1077.90.5566
Triple Number 60-40 Windward/Leeward Med786.00.7633
Triple Number 60-40 Windward/Leeward High705.70.8502
Triple Number All-Purpose Low874.10.6864
Triple Number All-Purpose Med654.10.9173
Triple Number All-Purpose High588.91.0189
Triple Number Predominant Upwind Low860.20.6975
Triple Number Predominant Upwind Med671.70.8932
Triple Number Predominant Upwind High632.50.9486
Triple Number Predominant Reaching Low788.30.7611
Triple Number Predominant Reaching Med611.00.9820
Triple Number Predominant Reaching High536.51.1183
Triple Number Predominant Downwind Low907.80.6610
Triple Number Predominant Downwind Med645.20.9300
Triple Number Predominant Downwind High543.91.1032
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low803.4
Triple Number Coastal/Long Distance Medium634.1
Triple Number Coastal/Long Distance High574.7
Triple Number Windward/Leeward Low1037.3
Triple Number Windward/Leeward Medium774.7
Triple Number Windward/Leeward High681.5
Predominantly Upwind680.7
Predominantly Downwind655.4
Predominantly Reaching624.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7468
Triple Number Coastal/Long Distance Medium0.9462
Triple Number Coastal/Long Distance High1.0440
Triple Number Windward/Leeward Low0.5784
Triple Number Windward/Leeward Medium0.7745
Triple Number Windward/Leeward High0.8804
Coastal/Long Distance0.8645
Predominantly Upwind0.8815
Predominantly Downwind0.9155
For information
General Purpose Handicap (GPH)712.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9403
Distanseseilas Trippeltall svak vind0.7468
Distanseseilas Trippeltall mellomvind0.9462
Distanseseilas Trippeltall sterk vind1.0440
Pølsebane Trippeltall svak vind0.5784
Pølsebane Trippeltall mellomvind0.7745
Pølsebane Trippeltall sterk vind0.8804
Motvind Singeltall0.8815
Medvind Singeltall0.9155
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Coastal/Long Distance694.00.8645
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind680.70.8815
Predominantly Downwind655.40.9155
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore654.80.9164
Cape Doctor Coastal548.51.0940
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7468
Triple Number Coastal/Long Distance Medium0.9462
Triple Number Coastal/Long Distance High1.0440
Triple Number Windward/Leeward Low0.5784
Triple Number Windward/Leeward Medium0.7745
Triple Number Windward/Leeward High0.8804
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7468
Triple Number Coastal/Long Distance Medium0.9462
Triple Number Coastal/Long Distance High1.0440
Triple Number Windward/Leeward Low0.5784
Triple Number Windward/Leeward Medium0.7745
Triple Number Windward/Leeward High0.8804
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Predominantly Upwind680.70.8815
Predominantly Downwind655.40.9155
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.00.8645
Triple Number Coastal/Long Distance Low803.40.7468
Triple Number Coastal/Long Distance Medium634.10.9462
Triple Number Coastal/Long Distance High574.71.0440
Triple Number Windward/Leeward Low1037.30.5784
Triple Number Windward/Leeward Medium774.70.7745
Triple Number Windward/Leeward High681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1683.01156.8873.4736.4658.9617.2585.0531.3514.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP663.90.9037 Predom. Dn High527.51.1375 5B AP M/H581.31.0322 TriNum AP Low803.40.7468 Predom. Rc Low865.20.6935 5B AP High558.61.0741 TriNum AP Med634.20.9461 Predom. Rc L/M668.00.8982 5B SF Bay Low1018.10.5893 TriNum AP High574.71.0440 Predom. Rc Med594.81.0087 5B SF Bay L/M848.20.7074 TriNum W/L Low1088.90.5510 Predom. Rc M/H552.51.0859 5B SF Bay Med738.10.8129 TriNum W/L Med774.70.7745 Predom. Rc High528.21.1360 5B SF Bay M/H677.90.8851 TriNum W/L Hig681.50.8804 5B W/L Low1222.40.4908 5B SF Bay High653.50.9181 Predom. Upwind706.30.8495 5B W/L L/M892.60.6722 ChiMac Up Low832.10.7210 Predom. Reaching634.70.9453 5B W/L Med761.90.7875 ChiMac Up Med761.80.7876 Predom. Downwind688.50.8715 5B W/L M/H690.00.8695 ChiMac Up High680.00.8824 Predom. Up Low933.90.6425 5B W/L High663.20.9048 ChiMac Off Low874.00.6865 Predom. Up L/M730.70.8211 W/L 60-40 Low1205.20.4978 ChiMac Off Med768.40.7809 Predom. Up Med663.00.9050 W/L 60-40 L/M893.20.6717 ChiMac Off High644.10.9315 Predom. Up M/H630.50.9516 W/L 60-40 Med774.70.7745 ChiMac AP Low847.10.7083 Predom. Up High618.20.9706 W/L 60-40 M/H712.70.8418 ChiMac AP Med760.80.7887 Predom. Dn Low1022.90.5866 W/L 60-40 High691.70.8674 ChiMac AP High659.40.9099 Predom. Dn L/M745.40.8049 5B AP Low900.80.6661 BayMac Cove Island978.10.6134 Predom. Dn Med632.10.9492 5B AP L/M708.60.8467 BayMac Shore966.60.6207 Predom. Dn M/H564.31.0632 5B AP Med626.40.9579 Harvest Moon564.81.0623      SA/DSPL Up25.94SA/DSPL Dn25.94
ORC Ref  04140004TRJ Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
HattiwattiFIN 3464
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassInferno 29MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.800Maximum beam2.514Draft1.534Displacement2,678Wetted area15.47IMS L7.613LSM07.506Accomod. length8.171Sink (kg/mm) 11.52
VCGD-0.151VCGM-0.113 RM Rated (kg·m) 45.2Limit of positive stability(°) 124.5 Stability Index 126.5 BLR index 0.0000Default crew weight457 Declared crew weight 320
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0053
PSD0.025PHD0.600PHL0.116
PSA14.0°ESL0.702
ST10.023ST20.086ST30.100
ST40.049ST50.100
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P11.000IG10.075ISP10.165MDT10.092MDL10.135MDT20.082MDL20.094TL2.310MW0.138GO0.147
E4.000J3.150BAS1.496FSDSFJ0.180SPL3.170WPLTPS0.000BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date29/01/2020
SFFP0.482FFM1.089FF1.095LCFcl5.114SG1.0050
SAFP8.072FAM0.772FA0.776LCFsh5.273HBI0.909
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004TRJ Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
HattiwattiFIN 3464
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.150.881.602.663.3526.6408/07/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.060.591.172.333.514.7010.04NoNo 23.5408/07/2021G1
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length8.2 mTable area0.33 m²Headroom1.40 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity33 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004TRJ Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org