Double HandedClub Certificate2026
OrcaFIN 797
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 Angles46.5°43.2°41.2°40.8°40.8°40.8°41.0°41.9°45.1°
Beat VMG1.992.843.423.773.964.034.053.973.69
52°3.124.325.095.565.805.905.945.885.69
60°3.354.545.325.776.006.126.166.156.08
75°3.524.715.515.966.216.366.456.516.53
90°3.414.635.505.996.296.506.666.907.03
110°3.434.775.716.226.526.746.907.117.25
120°3.304.635.616.206.566.867.147.487.65
135°2.924.225.235.986.436.787.127.778.29
150°2.463.654.665.506.106.506.837.548.23
Run VMG2.133.164.044.805.455.956.336.967.61
Gybe Angles144.2°148.0°151.6°154.7°161.7°167.8°176.3°177.2°177.0°
APH ToD:670.4CDL: 6.319APH ToT: 0.8949CertNo:
BOAT
ClassMurena 30DesignerSodegren HakanBuilderBoatsman SunsailAge date01/1977Series date01/1972Offset fileUS14080.OFFData fileFIN797
HULL
Length Overall9.141 mMaximum Beam3.164 mDraft1.679 mDisplacement3,200 kgDLR8.6057IMS DivisionCruiser/RacerDynamic Allowance0.370%Age Allowance0.650%RS Assessment-0.305%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.320m
CREW
Maximum weight155 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.5920.06Headsail Luffed25.0125.01Headsail FlyingSymmetric53.6755.52Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.68Storm Jib6.62Heavy Weather Jib17.86
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 46.9 kg·m Stability Index 119.6
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  04140004UVV Issued on 08/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
OrcaFIN 797
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 VMG1812.51267.81051.9954.6909.2893.7889.3906.8976.7
52°1153.7834.1707.5647.2620.9610.1605.8611.9632.1
60°1073.3792.5676.9623.7599.6588.5584.0585.2592.5
75°1023.7764.9653.9604.0579.8566.2557.9552.6551.7
90°1056.1777.2654.6601.0572.0554.0540.7521.9512.2
110°1048.6754.6630.9578.6551.8533.7521.9506.4496.5
120°1092.1777.6641.2580.3548.8524.6504.1481.6470.5
135°1233.7853.0687.9601.9560.1531.3505.4463.1434.3
150°1462.3986.2772.5654.0589.8554.2526.8477.3437.4
Run VMG1688.51138.7890.7750.4661.2605.4568.5517.1472.9
Selected Courses
Windward / Leeward1750.51203.3971.3852.5785.2749.5728.9712.0724.8
All purpose1330.6936.3769.7688.6646.0623.1608.4593.6597.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward821.70.7302
All purpose670.40.8949
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6111
Downwind "popa"0.8184
70% up, 30% down "Ilhabela"0.6613
30% up, 70% down "Ilhabela-inverso"0.7428
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Predominantly Upwind735.70.8155
Predominantly Downwind663.60.9042
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP698.70.8587 Predom. Rc High554.61.0819 5B SF Bay L/M897.40.6686 TriNum AP Low853.00.7034 Predom. Dn Low1024.40.5857 5B SF Bay Med779.00.7702 TriNum AP Med664.80.9025 Predom. Dn L/M750.10.7999 5B SF Bay M/H721.20.8319 TriNum AP High606.50.9893 Predom. Dn Med640.10.9374 5B SF Bay High707.50.8481 TriNum W/L Low1141.70.5255 Predom. Dn M/H576.01.0417 5B AP Low947.60.6332 TriNum W/L Med814.20.7369 Predom. Dn High543.51.1040 5B AP L/M747.40.8028 TriNum W/L Hig727.70.8245 ChiMac Up Low924.50.6490 5B AP Med656.40.9141 Predom. Upwind769.90.7794 ChiMac Up Med837.30.7166 5B AP M/H611.60.9811 Predom. Reaching667.20.8992 ChiMac Up High739.20.8117 5B AP High596.81.0054 Predom. Downwind696.50.8615 ChiMac Off Low877.30.6840 5B W/L Low1282.10.4680 Predom. Up Low1051.30.5707 ChiMac Off Med773.90.7753 5B W/L L/M936.10.6410 Predom. Up L/M801.10.7490 ChiMac Off High653.20.9186 5B W/L Med801.30.7488 Predom. Up Med713.30.8412 ChiMac AP Low897.20.6687 5B W/L M/H734.30.8172 Predom. Up M/H676.40.8871 ChiMac AP Med803.00.7472 5B W/L High717.10.8367 Predom. Up High673.10.8914 ChiMac AP High694.40.8640 W/L 60-40 Low1295.70.4631 Predom. Rc Low928.10.6465 BayMac Cove Island1033.20.5807 W/L 60-40 L/M954.50.6286 Predom. Rc L/M703.80.8525 BayMac Shore1026.10.5847 W/L 60-40 Med825.90.7265 Predom. Rc Med620.30.9673 Harvest Moon582.91.0293 W/L 60-40 M/H766.30.7829 Predom. Rc M/H575.21.0431 5B SF Bay Low1084.00.5535 W/L 60-40 High756.90.7928      SA/DSPL Up20.46SA/DSPL Dn33.61
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance726.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating726.60.8257
FinRating, kevyt tuuli1265.00.7905
FinRating, kova tuuli600.90.8321
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8257
Triple Number Coastal/Long Distance Low0.7034
Triple Number Coastal/Long Distance Medium0.9026
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.5518
Triple Number Windward/Leeward Medium0.7369
Triple Number Windward/Leeward High0.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
For information
General Purpose Handicap (GPH)750.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Saronikos S All Purpose768.30.7809
Saronikos S Upwind881.00.6811
Saronikos S Downwind628.00.9555
Saronikos N All Purpose814.20.7369
Saronikos N Upwind926.00.6479
Saronikos N Downwind687.90.8722
Saronikos SW All Purpose773.90.7753
Saronikos SW Upwind900.50.6663
Saronikos SW Downwind643.70.9321
Saronikos NE All Purpose840.50.7138
Saronikos NE Upwind866.40.6925
Saronikos NE Downwind779.50.7697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose698.70.8587
5-Band All Purpose Low1033.90.5803
5-Band All Purpose L/M773.80.7754
5-Band All Purpose Med675.60.8880
5-Band All Purpose M/H625.40.9594
5-Band All Purpose High607.50.9877
Single Number Predominant Upwind734.20.8172
Single Number Predominant Reaching639.00.9389
Single Number Predominant Downwind664.50.9029
5-Band 50-50 Windward/Leeward Low1282.10.4680
5-Band 50-50 Windward/Leeward L/M936.10.6410
5-Band 50-50 Windward/Leeward Med801.30.7488
5-Band 50-50 Windward/Leeward M/H734.30.8172
5-Band 50-50 Windward/Leeward High717.10.8367
5-Band 60-40 Windward/Leeward Low1295.70.4631
5-Band 60-40 Windward/Leeward L/M954.50.6286
5-Band 60-40 Windward/Leeward Med825.90.7265
5-Band 60-40 Windward/Leeward M/H766.30.7829
5-Band 60-40 Windward/Leeward High756.90.7928
Triple Number 50-50 Windward/Leeward Low1141.70.5255
Triple Number 50-50 Windward/Leeward Med814.30.7368
Triple Number 50-50 Windward/Leeward High727.70.8245
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward846.40.7088
Triple Number 60-40 Windward/Leeward Low1156.50.5188
Triple Number 60-40 Windward/Leeward Med837.90.7160
Triple Number 60-40 Windward/Leeward High761.60.7879
Triple Number All-Purpose Low927.80.6467
Triple Number All-Purpose Med684.90.8760
Triple Number All-Purpose High619.50.9685
Triple Number Predominant Upwind Low956.00.6276
Triple Number Predominant Upwind Med723.90.8289
Triple Number Predominant Upwind High683.70.8775
Triple Number Predominant Reaching Low841.60.7130
Triple Number Predominant Reaching Med639.40.9384
Triple Number Predominant Reaching High558.31.0747
Triple Number Predominant Downwind Low913.50.6568
Triple Number Predominant Downwind Med649.30.9241
Triple Number Predominant Downwind High551.51.0879
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low853.0
Triple Number Coastal/Long Distance Medium664.7
Triple Number Coastal/Long Distance High606.5
Triple Number Windward/Leeward Low1087.4
Triple Number Windward/Leeward Medium814.2
Triple Number Windward/Leeward High727.7
Predominantly Upwind735.7
Predominantly Downwind663.6
Predominantly Reaching644.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7034
Triple Number Coastal/Long Distance Medium0.9026
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.5518
Triple Number Windward/Leeward Medium0.7369
Triple Number Windward/Leeward High0.8245
Coastal/Long Distance0.8257
Predominantly Upwind0.8155
Predominantly Downwind0.9042
For information
General Purpose Handicap (GPH)750.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8949
Distanseseilas Trippeltall svak vind0.7034
Distanseseilas Trippeltall mellomvind0.9026
Distanseseilas Trippeltall sterk vind0.9893
Pølsebane Trippeltall svak vind0.5518
Pølsebane Trippeltall mellomvind0.7369
Pølsebane Trippeltall sterk vind0.8245
Motvind Singeltall0.8155
Medvind Singeltall0.9042
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Coastal/Long Distance726.60.8257
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind735.70.8155
Predominantly Downwind663.60.9042
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore720.90.8322
Cape Doctor Coastal596.21.0063
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7034
Triple Number Coastal/Long Distance Medium0.9026
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.5518
Triple Number Windward/Leeward Medium0.7369
Triple Number Windward/Leeward High0.8245
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7034
Triple Number Coastal/Long Distance Medium0.9026
Triple Number Coastal/Long Distance High0.9893
Triple Number Windward/Leeward Low0.5518
Triple Number Windward/Leeward Medium0.7369
Triple Number Windward/Leeward High0.8245
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Predominantly Upwind735.70.8155
Predominantly Downwind663.60.9042
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance726.60.8257
Triple Number Coastal/Long Distance Low853.00.7034
Triple Number Coastal/Long Distance Medium664.70.9026
Triple Number Coastal/Long Distance High606.50.9893
Triple Number Windward/Leeward Low1087.40.5518
Triple Number Windward/Leeward Medium814.20.7369
Triple Number Windward/Leeward High727.70.8245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1744.31196.8914.3771.3689.9646.3612.5561.2556.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP698.70.8587 Predom. Dn High543.51.1040 5B AP M/H611.60.9811 TriNum AP Low853.00.7034 Predom. Rc Low928.10.6465 5B AP High596.81.0054 TriNum AP Med664.80.9025 Predom. Rc L/M703.80.8525 5B SF Bay Low1084.00.5535 TriNum AP High606.50.9893 Predom. Rc Med620.30.9673 5B SF Bay L/M897.40.6686 TriNum W/L Low1141.70.5255 Predom. Rc M/H575.21.0431 5B SF Bay Med779.00.7702 TriNum W/L Med814.20.7369 Predom. Rc High554.61.0819 5B SF Bay M/H721.20.8319 TriNum W/L Hig727.70.8245 5B W/L Low1282.10.4680 5B SF Bay High707.50.8481 Predom. Upwind769.90.7794 5B W/L L/M936.10.6410 ChiMac Up Low924.50.6490 Predom. Reaching667.20.8992 5B W/L Med801.30.7488 ChiMac Up Med837.30.7166 Predom. Downwind696.50.8615 5B W/L M/H734.30.8172 ChiMac Up High739.20.8117 Predom. Up Low1051.30.5707 5B W/L High717.10.8367 ChiMac Off Low877.30.6840 Predom. Up L/M801.10.7490 W/L 60-40 Low1295.70.4631 ChiMac Off Med773.90.7753 Predom. Up Med713.30.8412 W/L 60-40 L/M954.50.6286 ChiMac Off High653.20.9186 Predom. Up M/H676.40.8871 W/L 60-40 Med825.90.7265 ChiMac AP Low897.20.6687 Predom. Up High673.10.8914 W/L 60-40 M/H766.30.7829 ChiMac AP Med803.00.7472 Predom. Dn Low1024.40.5857 W/L 60-40 High756.90.7928 ChiMac AP High694.40.8640 Predom. Dn L/M750.10.7999 5B AP Low947.60.6332 BayMac Cove Island1033.20.5807 Predom. Dn Med640.10.9374 5B AP L/M747.40.8028 BayMac Shore1026.10.5847 Predom. Dn M/H576.01.0417 5B AP Med656.40.9141 Harvest Moon582.91.0293      SA/DSPL Up20.46SA/DSPL Dn33.61
ORC Ref  04140004UVV Issued on 08/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
OrcaFIN 797
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMurena 30MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.141Maximum beam3.164Draft1.679Displacement3,200Wetted area16.59IMS L7.244LSM07.190Accomod. length9.141Sink (kg/mm) 11.36
VCGD-0.036VCGM-0.011 RM Rated (kg·m) 46.9Limit of positive stability(°) 123.0 Stability Index 119.6 BLR index 0.0000Default crew weight170 Declared crew weight 155
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.320PBW0.080PIPA0.0124
EDLST1ST2
ST3ST4ST5
RIG
BackstayFixedForestayAdjustable (turnbuckle)Inner forestayAdjustableMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders4Rotating mastNo
P9.400IG11.500ISP11.500MDT10.100MDL10.150MDT2MDL2TLTaperMWGO
E3.450J4.000BAS1.640FSDSFJ0.250SPL3.500WPLTPS5.000BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/07/2025
SFFP0.689FFMFF1.187LCFcl5.154SG
SAFP8.617FAMFA0.924LCFsh5.386HBI1.007
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004UVV Issued on 08/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
OrcaFIN 797
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.751.342.242.9619.5929/06/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.052.214.6510.80NoNo 25.0129/06/2026
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment011.5011.5011.506.004.0053.67
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.1 mTable area0.44 m²Headroom1.63 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity62 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity32 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004UVV Issued on 08/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org