Double HandedClub 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°43.1°41.2°40.5°40.0°39.7°39.6°39.8°41.4°
Beat VMG2.563.594.254.594.764.844.894.904.77
52°4.045.466.306.716.886.977.027.077.03
60°4.355.736.546.927.107.187.247.307.29
75°4.585.936.727.107.327.457.537.667.72
90°4.465.846.707.147.417.627.788.028.21
110°4.045.626.687.227.557.787.968.278.53
120°3.905.466.567.187.577.908.238.689.09
135°3.384.896.066.907.397.778.169.0810.20
150°2.794.055.196.216.977.427.818.659.81
Run VMG2.413.514.505.386.166.757.207.938.74
Gybe Angles137.2°144.4°149.4°151.0°158.5°166.4°173.2°176.8°166.5°
APH ToD:569.0CDL: 8.706APH ToT: 1.0546CertNo:
BOAT
ClassSirena 38DesignerHåkan SödergrenBuilderLito MarinAge date01/1982Series date01/1980Offset fileL5530.BOFData fileFIN7508
HULL
Length Overall11.620 mMaximum Beam3.134 mDraft1.776 mDisplacement5,425 kgDLR6.2515IMS DivisionCruiser/RacerDynamic Allowance0.050%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight180 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.1136.57Headsail Luffed38.9838.98Headsail FlyingSymmetric84.5984.59Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail11.27Storm Jib8.07Heavy Weather Jib21.78
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 94.6 kg·m Stability Index 131.3
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  04140004R94 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1404.91002.1847.8783.7756.4743.7736.7734.6754.9
52°891.3659.8571.6536.7523.2516.7512.8509.4512.4
60°828.1627.9550.2520.1507.3501.3497.4493.0493.5
75°786.2606.7535.9507.1492.1483.4477.9469.7466.3
90°806.7615.9537.7504.0485.6472.7462.6448.8438.7
110°891.1640.9539.0498.5476.8462.8452.5435.2422.0
120°923.8659.1548.8501.5475.8455.5437.4414.6396.2
135°1064.0735.8594.3522.0487.5463.2441.0396.4352.9
150°1291.7889.1693.1580.0516.5484.9461.2416.3366.8
Run VMG1491.51026.6800.3669.3584.2533.6500.2454.1411.7
Selected Courses
Windward / Leeward1448.21014.4824.1726.5670.3638.7618.5594.4583.3
All purpose1085.8777.1646.4584.2551.1532.2518.8499.7487.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward698.80.8586
All purpose569.01.0546
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7493
Downwind "popa"0.9193
70% up, 30% down "Ilhabela"0.7933
30% up, 70% down "Ilhabela-inverso"0.8608
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Predominantly Upwind615.70.9745
Predominantly Downwind572.01.0489
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP591.01.0153 Predom. Rc High469.21.2788 5B SF Bay L/M756.70.7929 TriNum AP Low711.80.8430 Predom. Dn Low871.90.6881 5B SF Bay Med661.40.9071 TriNum AP Med565.41.0612 Predom. Dn L/M645.30.9298 5B SF Bay M/H609.70.9842 TriNum AP High515.01.1651 Predom. Dn Med552.91.0853 5B SF Bay High586.41.0231 TriNum W/L Low962.40.6235 Predom. Dn M/H496.91.2076 5B AP Low788.20.7613 TriNum W/L Med694.00.8646 Predom. Dn High463.01.2958 5B AP L/M629.60.9529 TriNum W/L Hig614.50.9764 ChiMac Up Low754.50.7952 5B AP Med558.71.0740 Predom. Upwind639.10.9388 ChiMac Up Med690.30.8692 5B AP M/H520.61.1526 Predom. Reaching562.41.0668 ChiMac Up High615.40.9749 5B AP High500.91.1979 Predom. Downwind598.21.0030 ChiMac Off Low750.80.7992 5B W/L Low1075.20.5580 Predom. Up Low846.60.7087 ChiMac Off Med664.10.9034 5B W/L L/M795.00.7547 Predom. Up L/M662.20.9061 ChiMac Off High562.11.0674 5B W/L Med682.90.8786 Predom. Up Med599.81.0003 ChiMac AP Low748.70.8014 5B W/L M/H622.20.9644 Predom. Up M/H569.81.0531 ChiMac AP Med674.40.8896 5B W/L High596.61.0056 Predom. Up High557.31.0766 ChiMac AP High587.21.0218 W/L 60-40 Low1073.00.5592 Predom. Rc Low761.10.7883 BayMac Cove Island860.90.6969 W/L 60-40 L/M802.90.7473 Predom. Rc L/M590.91.0155 BayMac Shore852.80.7035 W/L 60-40 Med699.30.8581 Predom. Rc Med528.31.1357 Harvest Moon500.01.2000 W/L 60-40 M/H645.60.9294 Predom. Rc M/H491.81.2199 5B SF Bay Low903.50.6641 W/L 60-40 High625.00.9600      SA/DSPL Up24.18SA/DSPL Dn38.87
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance618.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating618.70.9698
FinRating, kevyt tuuli1057.20.9459
FinRating, kova tuuli503.70.9927
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9698
Triple Number Coastal/Long Distance Low0.8430
Triple Number Coastal/Long Distance Medium1.0613
Triple Number Coastal/Long Distance High1.1651
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8646
Triple Number Windward/Leeward High0.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
For information
General Purpose Handicap (GPH)634.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Saronikos S All Purpose639.60.9380
Saronikos S Upwind716.30.8377
Saronikos S Downwind546.11.0987
Saronikos N All Purpose674.00.8902
Saronikos N Upwind744.00.8065
Saronikos N Downwind597.51.0042
Saronikos SW All Purpose640.50.9368
Saronikos SW Upwind726.10.8264
Saronikos SW Downwind556.61.0780
Saronikos NE All Purpose696.70.8612
Saronikos NE Upwind695.90.8622
Saronikos NE Downwind673.20.8913
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose591.01.0153
5-Band All Purpose Low854.50.7021
5-Band All Purpose L/M651.70.9206
5-Band All Purpose Med575.21.0430
5-Band All Purpose M/H532.61.1265
5-Band All Purpose High510.01.1766
Single Number Predominant Upwind614.00.9771
Single Number Predominant Reaching542.01.1070
Single Number Predominant Downwind573.11.0469
5-Band 50-50 Windward/Leeward Low1075.20.5580
5-Band 50-50 Windward/Leeward L/M795.00.7547
5-Band 50-50 Windward/Leeward Med682.90.8786
5-Band 50-50 Windward/Leeward M/H622.20.9644
5-Band 50-50 Windward/Leeward High596.61.0056
5-Band 60-40 Windward/Leeward Low1073.00.5592
5-Band 60-40 Windward/Leeward L/M802.90.7473
5-Band 60-40 Windward/Leeward Med699.30.8581
5-Band 60-40 Windward/Leeward M/H645.60.9294
5-Band 60-40 Windward/Leeward High625.00.9600
Triple Number 50-50 Windward/Leeward Low962.40.6235
Triple Number 50-50 Windward/Leeward Med694.00.8645
Triple Number 50-50 Windward/Leeward High614.50.9764
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward714.60.8396
Triple Number 60-40 Windward/Leeward Low963.20.6229
Triple Number 60-40 Windward/Leeward Med709.20.8460
Triple Number 60-40 Windward/Leeward High639.10.9388
Triple Number All-Purpose Low771.70.7775
Triple Number All-Purpose Med582.61.0299
Triple Number All-Purpose High526.21.1401
Triple Number Predominant Upwind Low777.60.7716
Triple Number Predominant Upwind Med607.70.9873
Triple Number Predominant Upwind High572.81.0475
Triple Number Predominant Reaching Low695.50.8626
Triple Number Predominant Reaching Med543.21.1045
Triple Number Predominant Reaching High476.91.2582
Triple Number Predominant Downwind Low779.00.7702
Triple Number Predominant Downwind Med562.21.0672
Triple Number Predominant Downwind High476.51.2591
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low711.7
Triple Number Coastal/Long Distance Medium565.3
Triple Number Coastal/Long Distance High515.0
Triple Number Windward/Leeward Low919.3
Triple Number Windward/Leeward Medium694.0
Triple Number Windward/Leeward High614.5
Predominantly Upwind615.7
Predominantly Downwind572.0
Predominantly Reaching549.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8430
Triple Number Coastal/Long Distance Medium1.0613
Triple Number Coastal/Long Distance High1.1651
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8646
Triple Number Windward/Leeward High0.9764
Coastal/Long Distance0.9698
Predominantly Upwind0.9745
Predominantly Downwind1.0489
For information
General Purpose Handicap (GPH)634.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0546
Distanseseilas Trippeltall svak vind0.8430
Distanseseilas Trippeltall mellomvind1.0613
Distanseseilas Trippeltall sterk vind1.1651
Pølsebane Trippeltall svak vind0.6527
Pølsebane Trippeltall mellomvind0.8646
Pølsebane Trippeltall sterk vind0.9764
Motvind Singeltall0.9745
Medvind Singeltall1.0489
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Coastal/Long Distance618.70.9698
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind615.70.9745
Predominantly Downwind572.01.0489
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore586.71.0227
Cape Doctor Coastal491.21.2215
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8430
Triple Number Coastal/Long Distance Medium1.0613
Triple Number Coastal/Long Distance High1.1651
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8646
Triple Number Windward/Leeward High0.9764
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8430
Triple Number Coastal/Long Distance Medium1.0613
Triple Number Coastal/Long Distance High1.1651
Triple Number Windward/Leeward Low0.6527
Triple Number Windward/Leeward Medium0.8646
Triple Number Windward/Leeward High0.9764
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Predominantly Upwind615.70.9745
Predominantly Downwind572.01.0489
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low711.70.8430
Triple Number Coastal/Long Distance Medium565.31.0613
Triple Number Coastal/Long Distance High515.01.1651
Triple Number Windward/Leeward Low919.30.6527
Triple Number Windward/Leeward Medium694.00.8646
Triple Number Windward/Leeward High614.50.9764
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1452.51015.6775.8656.3588.1551.9522.9477.1463.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP591.01.0153 Predom. Dn High463.01.2958 5B AP M/H520.61.1526 TriNum AP Low711.80.8430 Predom. Rc Low761.10.7883 5B AP High500.91.1979 TriNum AP Med565.41.0612 Predom. Rc L/M590.91.0155 5B SF Bay Low903.50.6641 TriNum AP High515.01.1651 Predom. Rc Med528.31.1357 5B SF Bay L/M756.70.7929 TriNum W/L Low962.40.6235 Predom. Rc M/H491.81.2199 5B SF Bay Med661.40.9071 TriNum W/L Med694.00.8646 Predom. Rc High469.21.2788 5B SF Bay M/H609.70.9842 TriNum W/L Hig614.50.9764 5B W/L Low1075.20.5580 5B SF Bay High586.41.0231 Predom. Upwind639.10.9388 5B W/L L/M795.00.7547 ChiMac Up Low754.50.7952 Predom. Reaching562.41.0668 5B W/L Med682.90.8786 ChiMac Up Med690.30.8692 Predom. Downwind598.21.0030 5B W/L M/H622.20.9644 ChiMac Up High615.40.9749 Predom. Up Low846.60.7087 5B W/L High596.61.0056 ChiMac Off Low750.80.7992 Predom. Up L/M662.20.9061 W/L 60-40 Low1073.00.5592 ChiMac Off Med664.10.9034 Predom. Up Med599.81.0003 W/L 60-40 L/M802.90.7473 ChiMac Off High562.11.0674 Predom. Up M/H569.81.0531 W/L 60-40 Med699.30.8581 ChiMac AP Low748.70.8014 Predom. Up High557.31.0766 W/L 60-40 M/H645.60.9294 ChiMac AP Med674.40.8896 Predom. Dn Low871.90.6881 W/L 60-40 High625.00.9600 ChiMac AP High587.21.0218 Predom. Dn L/M645.30.9298 5B AP Low788.20.7613 BayMac Cove Island860.90.6969 Predom. Dn Med552.91.0853 5B AP L/M629.60.9529 BayMac Shore852.80.7035 Predom. Dn M/H496.91.2076 5B AP Med558.71.0740 Harvest Moon500.01.2000      SA/DSPL Up24.18SA/DSPL Dn38.87
ORC Ref  04140004R94 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 beam3.134Draft1.776Displacement5,425Wetted area23.71IMS L9.618LSM09.537Accomod. length10.185Sink (kg/mm) 17.28
VCGD-0.150VCGM-0.108 RM Rated (kg·m) 94.6Limit of positive stability(°) 126.5 Stability Index 131.3 BLR index 0.0000Default crew weight170 Declared crew weight 180
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
SFFP0.946FFMFF1.171LCFcl6.567SG
SAFP10.393FAMFA0.962LCFsh6.750HBI1.063
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004R94 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment112.8012.8012.808.007.6584.5930/08/2020All white
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  04140004R94 Issued on 27/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org