Non Spin/HSFClub Certificate2026
SuvihuviFin 7508
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 Angles46.7°43.8°41.2°40.0°39.2°38.8°38.5°38.5°39.4°
Beat VMG2.543.594.314.714.915.005.065.105.03
52°4.025.476.376.807.007.097.147.217.20
60°4.345.766.596.997.187.287.347.427.43
75°4.585.966.757.147.377.527.627.767.84
90°4.455.866.727.177.457.667.848.108.30
110°3.795.226.276.977.377.687.968.528.89
120°3.384.876.006.807.277.607.918.579.31
135°2.864.255.386.296.937.337.668.329.13
150°2.373.574.645.586.366.947.327.958.65
Run VMG2.053.094.024.855.606.296.847.558.16
Gybe Angles140.2°143.8°149.2°154.7°161.3°171.8°178.1°179.5°179.5°
APH ToD:581.3CDL: 8.991APH ToT: 1.0322CertNo:
BOAT
ClassSirena 38DesignerHåkan SödergrenBuilderLito MarinAge date01/1982Series date01/1980Offset fileL5530.BOFData fileFIN7508
HULL
Length Overall11.620 mMaximum Beam3.134 mDraft1.775 mDisplacement5,425 kgDLR6.1740IMS DivisionCruiser/RacerDynamic Allowance0.130%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.1136.57Headsail Luffed38.9838.98Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail11.27Storm Jib8.07Heavy Weather Jib21.78
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 94.7 kg·m Stability Index 128.8
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  04140004R96 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SuvihuviFin 7508
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 VMG1415.91003.3835.8763.8733.9719.4711.3705.6716.0
52°896.4657.8565.4529.1514.6507.8503.9499.6500.1
60°828.7625.2545.9514.9501.1494.6490.5485.3484.3
75°785.4604.2533.3503.9488.3478.5472.6463.8459.1
90°809.6614.4535.7502.2483.4469.9459.3444.3433.7
110°950.1689.6574.5516.9488.6469.0452.2422.7405.1
120°1064.2739.3600.1529.5495.5473.5454.9420.2386.6
135°1257.9847.2668.8572.1519.7490.9470.0432.8394.4
150°1519.71009.7775.5645.7565.8518.9491.5452.8416.3
Run VMG1754.81165.9895.5742.3642.7572.6526.2476.7441.3
Selected Courses
Windward / Leeward1585.41084.6865.6753.1688.3646.0618.7591.1578.6
All purpose1170.3822.4673.8600.4560.9536.7520.9499.9486.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward718.50.8350
All purpose581.31.0322
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7674
Downwind "popa"0.8363
70% up, 30% down "Ilhabela"0.7869
30% up, 70% down "Ilhabela-inverso"0.8144
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Predominantly Upwind616.90.9726
Predominantly Downwind604.30.9929
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP605.80.9905 Predom. Rc High475.31.2623 5B SF Bay L/M787.40.7620 TriNum AP Low748.10.8021 Predom. Dn Low964.40.6221 5B SF Bay Med675.20.8886 TriNum AP Med577.51.0390 Predom. Dn L/M693.60.8651 5B SF Bay M/H611.30.9815 TriNum AP High517.01.1606 Predom. Dn Med581.21.0323 5B SF Bay High584.51.0265 TriNum W/L Low1024.90.5854 Predom. Dn M/H513.31.1688 5B AP Low843.20.7116 TriNum W/L Med714.10.8402 Predom. Dn High478.91.2529 5B AP L/M653.10.9187 TriNum W/L Hig615.20.9753 ChiMac Up Low769.50.7797 5B AP Med569.41.0537 Predom. Upwind641.70.9349 ChiMac Up Med697.90.8597 5B AP M/H523.41.1464 Predom. Reaching579.41.0356 ChiMac Up High614.80.9760 5B AP High501.21.1972 Predom. Downwind636.40.9428 ChiMac Off Low818.80.7328 5B W/L Low1155.00.5195 Predom. Up Low872.50.6877 ChiMac Off Med715.00.8391 5B W/L L/M832.00.7211 Predom. Up L/M669.30.8964 ChiMac Off High593.41.0112 5B W/L Med700.90.8560 Predom. Up Med598.51.0026 ChiMac AP Low788.10.7613 5B W/L M/H624.50.9607 Predom. Up M/H563.71.0643 ChiMac AP Med702.20.8545 5B W/L High593.81.0105 Predom. Up High549.51.0919 ChiMac AP High601.50.9976 W/L 60-40 Low1136.90.5277 Predom. Rc Low807.80.7428 BayMac Cove Island915.10.6557 W/L 60-40 L/M829.60.7232 Predom. Rc L/M613.10.9786 BayMac Shore903.80.6639 W/L 60-40 Med709.30.8459 Predom. Rc Med539.41.1123 Harvest Moon513.71.1680 W/L 60-40 M/H642.40.9341 Predom. Rc M/H497.81.2053 5B SF Bay Low956.20.6275 W/L 60-40 High616.70.9730      SA/DSPL Up24.18SA/DSPL Dn24.18
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance635.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating635.10.9447
FinRating, kevyt tuuli1140.00.8772
FinRating, kova tuuli504.20.9917
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9447
Triple Number Coastal/Long Distance Low0.8021
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1606
Triple Number Windward/Leeward Low0.6153
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
For information
General Purpose Handicap (GPH)652.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Saronikos S All Purpose649.10.9244
Saronikos S Upwind706.50.8493
Saronikos S Downwind589.91.0172
Saronikos N All Purpose688.10.8719
Saronikos N Upwind735.20.8161
Saronikos N Downwind651.30.9212
Saronikos SW All Purpose655.20.9158
Saronikos SW Upwind720.10.8332
Saronikos SW Downwind602.70.9955
Saronikos NE All Purpose721.90.8312
Saronikos NE Upwind689.40.8703
Saronikos NE Downwind741.60.8090
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose605.80.9905
5-Band All Purpose Low910.60.6589
5-Band All Purpose L/M677.90.8851
5-Band All Purpose Med587.91.0206
5-Band All Purpose M/H537.21.1170
5-Band All Purpose High513.11.1693
Single Number Predominant Upwind614.60.9762
Single Number Predominant Reaching555.71.0797
Single Number Predominant Downwind605.80.9904
5-Band 50-50 Windward/Leeward Low1155.00.5195
5-Band 50-50 Windward/Leeward L/M832.00.7211
5-Band 50-50 Windward/Leeward Med700.90.8560
5-Band 50-50 Windward/Leeward M/H624.50.9607
5-Band 50-50 Windward/Leeward High593.81.0105
5-Band 60-40 Windward/Leeward Low1136.90.5277
5-Band 60-40 Windward/Leeward L/M829.60.7232
5-Band 60-40 Windward/Leeward Med709.30.8459
5-Band 60-40 Windward/Leeward M/H642.40.9341
5-Band 60-40 Windward/Leeward High616.70.9730
Triple Number 50-50 Windward/Leeward Low1024.90.5854
Triple Number 50-50 Windward/Leeward Med714.20.8401
Triple Number 50-50 Windward/Leeward High615.20.9753
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward726.20.8262
Triple Number 60-40 Windward/Leeward Low1012.30.5927
Triple Number 60-40 Windward/Leeward Med721.10.8321
Triple Number 60-40 Windward/Leeward High634.40.9458
Triple Number All-Purpose Low815.90.7354
Triple Number All-Purpose Med596.71.0055
Triple Number All-Purpose High530.21.1315
Triple Number Predominant Upwind Low799.40.7506
Triple Number Predominant Upwind Med607.80.9872
Triple Number Predominant Upwind High563.61.0645
Triple Number Predominant Reaching Low732.30.8194
Triple Number Predominant Reaching Med554.91.0813
Triple Number Predominant Reaching High483.01.2422
Triple Number Predominant Downwind Low852.20.7041
Triple Number Predominant Downwind Med595.41.0077
Triple Number Predominant Downwind High495.51.2109
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low748.0
Triple Number Coastal/Long Distance Medium577.4
Triple Number Coastal/Long Distance High517.0
Triple Number Windward/Leeward Low975.1
Triple Number Windward/Leeward Medium714.1
Triple Number Windward/Leeward High615.2
Predominantly Upwind616.9
Predominantly Downwind604.3
Predominantly Reaching570.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8021
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1606
Triple Number Windward/Leeward Low0.6153
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9753
Coastal/Long Distance0.9447
Predominantly Upwind0.9726
Predominantly Downwind0.9929
For information
General Purpose Handicap (GPH)652.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0322
Distanseseilas Trippeltall svak vind0.8021
Distanseseilas Trippeltall mellomvind1.0391
Distanseseilas Trippeltall sterk vind1.1606
Pølsebane Trippeltall svak vind0.6153
Pølsebane Trippeltall mellomvind0.8402
Pølsebane Trippeltall sterk vind0.9753
Motvind Singeltall0.9726
Medvind Singeltall0.9929
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Coastal/Long Distance635.10.9447
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind616.90.9726
Predominantly Downwind604.30.9929
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore582.41.0303
Cape Doctor Coastal490.41.2235
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8021
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1606
Triple Number Windward/Leeward Low0.6153
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9753
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8021
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1606
Triple Number Windward/Leeward Low0.6153
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9753
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Predominantly Upwind616.90.9726
Predominantly Downwind604.30.9929
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.10.9447
Triple Number Coastal/Long Distance Low748.00.8021
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High517.01.1606
Triple Number Windward/Leeward Low975.10.6153
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High615.20.9753
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.31092.7815.4678.2599.3557.4526.6478.7461.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP605.80.9905 Predom. Dn High478.91.2529 5B AP M/H523.41.1464 TriNum AP Low748.10.8021 Predom. Rc Low807.80.7428 5B AP High501.21.1972 TriNum AP Med577.51.0390 Predom. Rc L/M613.10.9786 5B SF Bay Low956.20.6275 TriNum AP High517.01.1606 Predom. Rc Med539.41.1123 5B SF Bay L/M787.40.7620 TriNum W/L Low1024.90.5854 Predom. Rc M/H497.81.2053 5B SF Bay Med675.20.8886 TriNum W/L Med714.10.8402 Predom. Rc High475.31.2623 5B SF Bay M/H611.30.9815 TriNum W/L Hig615.20.9753 5B W/L Low1155.00.5195 5B SF Bay High584.51.0265 Predom. Upwind641.70.9349 5B W/L L/M832.00.7211 ChiMac Up Low769.50.7797 Predom. Reaching579.41.0356 5B W/L Med700.90.8560 ChiMac Up Med697.90.8597 Predom. Downwind636.40.9428 5B W/L M/H624.50.9607 ChiMac Up High614.80.9760 Predom. Up Low872.50.6877 5B W/L High593.81.0105 ChiMac Off Low818.80.7328 Predom. Up L/M669.30.8964 W/L 60-40 Low1136.90.5277 ChiMac Off Med715.00.8391 Predom. Up Med598.51.0026 W/L 60-40 L/M829.60.7232 ChiMac Off High593.41.0112 Predom. Up M/H563.71.0643 W/L 60-40 Med709.30.8459 ChiMac AP Low788.10.7613 Predom. Up High549.51.0919 W/L 60-40 M/H642.40.9341 ChiMac AP Med702.20.8545 Predom. Dn Low964.40.6221 W/L 60-40 High616.70.9730 ChiMac AP High601.50.9976 Predom. Dn L/M693.60.8651 5B AP Low843.20.7116 BayMac Cove Island915.10.6557 Predom. Dn Med581.21.0323 5B AP L/M653.10.9187 BayMac Shore903.80.6639 Predom. Dn M/H513.31.1688 5B AP Med569.41.0537 Harvest Moon513.71.1680      SA/DSPL Up24.18SA/DSPL Dn24.18
ORC Ref  04140004R96 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SuvihuviFin 7508
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSirena 38MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.620Maximum beam3.134Draft1.775Displacement5,425Wetted area23.78IMS L9.702LSM09.577Accomod. length10.185Sink (kg/mm) 17.34
VCGD-0.148VCGM-0.105 RM Rated (kg·m) 94.7Limit of positive stability(°) 124.0 Stability Index 128.8 BLR index 0.0000Default crew weight647 Declared crew weight 450
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.408PBW0.105PIPA0.0037
EDL1.300ST10.080ST20.150
ST30.150ST40.100ST50.280
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P13.700IG12.700ISP12.750MDT10.110MDL10.160MDT20.090MDL20.115TL2.000MWGO
E4.700J4.160BAS1.400FSDFoilSFJSPL4.060WPLTPS0.000BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/04/2020
SFFP0.946FFMFF1.183LCFcl6.605SG
SAFP10.393FAMFA0.954LCFsh6.788HBI1.068
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004R96 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SuvihuviFin 7508
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.871.562.793.7636.11white
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG1261.492.954.536.0512.90NoNo 38.9816/04/2026Light and dark grey
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.2 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity84 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity54 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004R96 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org