Double HandedClub Certificate2026
Ulla IIFIN5610
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°40.4°39.8°39.5°39.1°38.9°38.9°40.0°
Beat VMG2.373.354.004.394.604.714.784.824.76
52°3.735.055.896.366.596.696.756.826.81
60°4.015.306.126.556.766.876.937.017.02
75°4.225.496.306.716.947.087.187.317.37
90°4.115.426.306.777.007.197.357.607.81
110°3.935.416.406.897.197.437.627.908.03
120°3.775.246.266.837.167.447.728.268.57
135°3.264.705.776.546.977.297.608.349.08
150°2.683.975.075.976.627.027.327.998.80
Run VMG2.323.444.395.205.916.466.877.478.12
Gybe Angles138.1°145.6°151.0°154.6°161.7°169.3°178.1°178.6°177.2°
APH ToD:595.7CDL: 8.207APH ToT: 1.0071CertNo:
BOAT
ClassSeaking 34DesignerHåkan SödergrenBuilderKaarinan venesisusAge date01/1987Series date05/1981Offset fileCLFIGU34.OFFData fileFIN5610
HULL
Length Overall10.470 mMaximum Beam3.284 mDraft1.859 mDisplacement5,500 kgDLR6.9343IMS DivisionCruiser/RacerDynamic Allowance0.340%Age Allowance0.650%RS Assessment-0.381%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.430m
CREW
Maximum weight210 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.9635.54Headsail Luffed26.2126.21Headsail FlyingSymmetric65.2365.23Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail10.34Storm Jib9.10Heavy Weather Jib24.55
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 97.3 kg·m Stability Index 128.7
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  04140004TRA Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Ulla IIFIN5610
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 VMG1516.11074.9900.9820.2781.8764.0753.4746.2756.6
52°965.4712.6611.1565.9546.6538.3533.2528.1528.5
60°898.0679.0587.9549.5532.4524.1519.3513.6512.8
75°853.3655.5571.5536.4519.0508.3501.4492.6488.4
90°875.7664.1571.5531.9514.3500.5489.7473.4461.1
110°915.2664.8562.2522.3500.7484.4472.3455.5448.4
120°955.0687.3574.6527.0502.5483.8466.1435.9419.9
135°1105.4766.4624.3550.8516.2493.9473.7431.5396.7
150°1344.5906.8710.5602.6543.4512.9491.5450.6408.9
Run VMG1552.51047.1819.9691.8609.6557.1523.7482.2443.4
Selected Courses
Windward / Leeward1534.31061.0860.4756.0695.7660.5638.6614.2600.0
All purpose1151.9819.1679.6612.1576.5556.0541.9521.8509.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward725.70.8268
All purpose595.71.0071
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7190
Downwind "popa"0.8877
70% up, 30% down "Ilhabela"0.7625
30% up, 70% down "Ilhabela-inverso"0.8293
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Predominantly Upwind644.90.9303
Predominantly Downwind600.10.9998
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP619.60.9684 Predom. Rc High495.11.2118 5B SF Bay L/M791.50.7581 TriNum AP Low749.40.8007 Predom. Dn Low912.60.6575 5B SF Bay Med688.10.8720 TriNum AP Med591.91.0137 Predom. Dn L/M674.70.8892 5B SF Bay M/H631.60.9499 TriNum AP High537.91.1155 Predom. Dn Med579.81.0348 5B SF Bay High606.80.9888 TriNum W/L Low1007.60.5955 Predom. Dn M/H523.41.1464 5B AP Low830.80.7222 TriNum W/L Med720.70.8325 Predom. Dn High490.81.2224 5B AP L/M661.10.9076 TriNum W/L Hig634.90.9450 ChiMac Up Low800.10.7499 5B AP Med584.61.0263 Predom. Upwind670.50.8948 ChiMac Up Med727.70.8246 5B AP M/H543.81.1034 Predom. Reaching593.41.0111 ChiMac Up High643.60.9322 5B AP High523.21.1469 Predom. Downwind627.90.9556 ChiMac Off Low785.70.7636 5B W/L Low1129.10.5314 Predom. Up Low903.60.6640 ChiMac Off Med695.80.8623 5B W/L L/M828.80.7239 Predom. Up L/M698.90.8585 ChiMac Off High589.91.0171 5B W/L Med708.80.8465 Predom. Up Med626.80.9572 ChiMac AP Low789.10.7604 5B W/L M/H643.00.9332 Predom. Up M/H591.81.0139 ChiMac AP Med709.10.8462 5B W/L High616.00.9741 Predom. Up High577.01.0399 ChiMac AP High615.20.9753 W/L 60-40 Low1131.70.5302 Predom. Rc Low807.80.7428 BayMac Cove Island906.70.6618 W/L 60-40 L/M839.10.7150 Predom. Rc L/M623.50.9623 BayMac Shore898.90.6675 W/L 60-40 Med725.60.8269 Predom. Rc Med556.21.0788 Harvest Moon528.31.1358 W/L 60-40 M/H665.70.9014 Predom. Rc M/H518.21.1579 5B SF Bay Low949.60.6318 W/L 60-40 High642.60.9337      SA/DSPL Up19.52SA/DSPL Dn31.97
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance646.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating646.60.9280
FinRating, kevyt tuuli1112.70.8988
FinRating, kova tuuli526.30.9500
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9280
Triple Number Coastal/Long Distance Low0.8007
Triple Number Coastal/Long Distance Medium1.0138
Triple Number Coastal/Long Distance High1.1155
Triple Number Windward/Leeward Low0.6246
Triple Number Windward/Leeward Medium0.8325
Triple Number Windward/Leeward High0.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
For information
General Purpose Handicap (GPH)665.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Saronikos S All Purpose674.40.8897
Saronikos S Upwind757.00.7926
Saronikos S Downwind573.11.0469
Saronikos N All Purpose706.80.8489
Saronikos N Upwind787.00.7624
Saronikos N Downwind623.70.9620
Saronikos SW All Purpose679.10.8836
Saronikos SW Upwind772.80.7764
Saronikos SW Downwind584.31.0268
Saronikos NE All Purpose731.30.8205
Saronikos NE Upwind738.60.8123
Saronikos NE Downwind700.10.8571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose619.60.9684
5-Band All Purpose Low903.60.6640
5-Band All Purpose L/M684.90.8761
5-Band All Purpose Med602.30.9962
5-Band All Purpose M/H556.91.0773
5-Band All Purpose High533.61.1245
Single Number Predominant Upwind643.50.9324
Single Number Predominant Reaching571.21.0503
Single Number Predominant Downwind600.90.9985
5-Band 50-50 Windward/Leeward Low1129.10.5314
5-Band 50-50 Windward/Leeward L/M828.80.7239
5-Band 50-50 Windward/Leeward Med708.80.8465
5-Band 50-50 Windward/Leeward M/H643.00.9332
5-Band 50-50 Windward/Leeward High616.00.9741
5-Band 60-40 Windward/Leeward Low1131.70.5302
5-Band 60-40 Windward/Leeward L/M839.10.7150
5-Band 60-40 Windward/Leeward Med725.60.8269
5-Band 60-40 Windward/Leeward M/H665.70.9014
5-Band 60-40 Windward/Leeward High642.60.9337
Triple Number 50-50 Windward/Leeward Low1007.60.5955
Triple Number 50-50 Windward/Leeward Med720.80.8324
Triple Number 50-50 Windward/Leeward High634.90.9450
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward742.10.8085
Triple Number 60-40 Windward/Leeward Low1012.60.5925
Triple Number 60-40 Windward/Leeward Med736.70.8145
Triple Number 60-40 Windward/Leeward High658.60.9110
Triple Number All-Purpose Low814.30.7368
Triple Number All-Purpose Med610.10.9834
Triple Number All-Purpose High550.31.0903
Triple Number Predominant Upwind Low826.70.7258
Triple Number Predominant Upwind Med635.90.9435
Triple Number Predominant Upwind High593.61.0108
Triple Number Predominant Reaching Low736.70.8144
Triple Number Predominant Reaching Med571.31.0503
Triple Number Predominant Reaching High503.41.1920
Triple Number Predominant Downwind Low815.10.7361
Triple Number Predominant Downwind Med589.01.0186
Triple Number Predominant Downwind High503.91.1908
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low749.3
Triple Number Coastal/Long Distance Medium591.8
Triple Number Coastal/Long Distance High537.9
Triple Number Windward/Leeward Low960.6
Triple Number Windward/Leeward Medium720.7
Triple Number Windward/Leeward High634.9
Predominantly Upwind644.9
Predominantly Downwind600.1
Predominantly Reaching579.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8007
Triple Number Coastal/Long Distance Medium1.0138
Triple Number Coastal/Long Distance High1.1155
Triple Number Windward/Leeward Low0.6246
Triple Number Windward/Leeward Medium0.8325
Triple Number Windward/Leeward High0.9450
Coastal/Long Distance0.9280
Predominantly Upwind0.9303
Predominantly Downwind0.9998
For information
General Purpose Handicap (GPH)665.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0071
Distanseseilas Trippeltall svak vind0.8007
Distanseseilas Trippeltall mellomvind1.0138
Distanseseilas Trippeltall sterk vind1.1155
Pølsebane Trippeltall svak vind0.6246
Pølsebane Trippeltall mellomvind0.8325
Pølsebane Trippeltall sterk vind0.9450
Motvind Singeltall0.9303
Medvind Singeltall0.9998
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Coastal/Long Distance646.50.9280
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind644.90.9303
Predominantly Downwind600.10.9998
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore604.30.9930
Cape Doctor Coastal513.21.1692
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8007
Triple Number Coastal/Long Distance Medium1.0138
Triple Number Coastal/Long Distance High1.1155
Triple Number Windward/Leeward Low0.6246
Triple Number Windward/Leeward Medium0.8325
Triple Number Windward/Leeward High0.9450
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8007
Triple Number Coastal/Long Distance Medium1.0138
Triple Number Coastal/Long Distance High1.1155
Triple Number Windward/Leeward Low0.6246
Triple Number Windward/Leeward Medium0.8325
Triple Number Windward/Leeward High0.9450
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Predominantly Upwind644.90.9303
Predominantly Downwind600.10.9998
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance646.50.9280
Triple Number Coastal/Long Distance Low749.30.8007
Triple Number Coastal/Long Distance Medium591.81.0138
Triple Number Coastal/Long Distance High537.91.1155
Triple Number Windward/Leeward Low960.60.6246
Triple Number Windward/Leeward Medium720.70.8325
Triple Number Windward/Leeward High634.90.9450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1536.11059.6810.5685.1614.2576.5547.3500.0486.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP619.60.9684 Predom. Dn High490.81.2224 5B AP M/H543.81.1034 TriNum AP Low749.40.8007 Predom. Rc Low807.80.7428 5B AP High523.21.1469 TriNum AP Med591.91.0137 Predom. Rc L/M623.50.9623 5B SF Bay Low949.60.6318 TriNum AP High537.91.1155 Predom. Rc Med556.21.0788 5B SF Bay L/M791.50.7581 TriNum W/L Low1007.60.5955 Predom. Rc M/H518.21.1579 5B SF Bay Med688.10.8720 TriNum W/L Med720.70.8325 Predom. Rc High495.11.2118 5B SF Bay M/H631.60.9499 TriNum W/L Hig634.90.9450 5B W/L Low1129.10.5314 5B SF Bay High606.80.9888 Predom. Upwind670.50.8948 5B W/L L/M828.80.7239 ChiMac Up Low800.10.7499 Predom. Reaching593.41.0111 5B W/L Med708.80.8465 ChiMac Up Med727.70.8246 Predom. Downwind627.90.9556 5B W/L M/H643.00.9332 ChiMac Up High643.60.9322 Predom. Up Low903.60.6640 5B W/L High616.00.9741 ChiMac Off Low785.70.7636 Predom. Up L/M698.90.8585 W/L 60-40 Low1131.70.5302 ChiMac Off Med695.80.8623 Predom. Up Med626.80.9572 W/L 60-40 L/M839.10.7150 ChiMac Off High589.91.0171 Predom. Up M/H591.81.0139 W/L 60-40 Med725.60.8269 ChiMac AP Low789.10.7604 Predom. Up High577.01.0399 W/L 60-40 M/H665.70.9014 ChiMac AP Med709.10.8462 Predom. Dn Low912.60.6575 W/L 60-40 High642.60.9337 ChiMac AP High615.20.9753 Predom. Dn L/M674.70.8892 5B AP Low830.80.7222 BayMac Cove Island906.70.6618 Predom. Dn Med579.81.0348 5B AP L/M661.10.9076 BayMac Shore898.90.6675 Predom. Dn M/H523.41.1464 5B AP Med584.61.0263 Harvest Moon528.31.1358      SA/DSPL Up19.52SA/DSPL Dn31.97
ORC Ref  04140004TRA Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Ulla IIFIN5610
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSeaking 34MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.470Maximum beam3.284Draft1.859Displacement5,500Wetted area23.16IMS L9.119LSM09.256Accomod. length10.470Sink (kg/mm) 16.91
VCGD-0.073VCGM-0.074 RM Rated (kg·m) 97.3Limit of positive stability(°) 125.4 Stability Index 128.7 BLR index 0.0000Default crew weight170 Declared crew weight 210
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.430PBWPIPA0.0032
EDL0.820ST10.048ST20.170
ST30.170ST40.098ST50.281
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders2Rotating mastNo
P13.480IG13.470ISP13.730MDT10.115MDL10.170MDT20.113MDL20.132TLMW0.135GO0.139
E4.380J3.650BAS1.370FSD0.032SFJSPL3.700WPLTPS0.000BDMWT104.70MCG4.590
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date23/04/2020
SFFP0.660FFMFF1.168LCFcl6.061SG1.0250
SAFP9.078FAMFA0.967LCFsh6.280HBI1.086
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004TRA Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Ulla IIFIN5610
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.140.891.632.803.6834.9612/05/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.531.011.932.813.6913.80NoNo 26.2117/06/2026
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.9111.9111.916.626.3865.2325/11/2013
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.5 mTable area0.44 m²Headroom1.73 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity90 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity60 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004TRA Issued on 22/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org