Non Spin/HSFClub Certificate2026
ARIELFIN-15001
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°43.2°41.0°39.4°38.5°38.1°37.8°38.6°39.7°
Beat VMG2.773.904.715.185.385.495.565.615.53
52°4.355.956.957.457.657.767.837.917.91
60°4.706.267.197.667.877.978.058.158.17
75°4.976.477.357.818.098.278.398.578.66
90°4.846.367.307.828.168.448.678.989.20
110°4.145.686.757.517.998.378.749.429.84
120°3.615.196.417.307.848.258.649.4610.38
135°3.044.515.736.717.437.918.299.0910.06
150°2.513.774.905.916.767.427.888.629.44
Run VMG2.173.264.245.135.926.667.288.138.84
Gybe Angles139.4°142.6°147.8°153.0°158.6°168.7°176.8°179.2°179.0°
APH ToD:536.3CDL: 10.535APH ToT: 1.1189CertNo:
BOAT
ClassFinnGulf 41DesignerKamu StrahlmanBuilderFinnGulf YachtsAge date07/2001Series date06/2001Offset fileFINNGULF41-DK.offData fileFIN15001
HULL
Length Overall12.495 mMaximum Beam3.844 mDraft2.196 mDisplacement7,495 kgDLR5.8954IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.650%RS Assessment-0.254%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.454m
CREW
Maximum weight650 kg(declared)Minimum weight520 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.3752.32Headsail Luffed52.1252.12Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail15.15Storm Jib13.43Heavy Weather Jib36.24
SAIL LIMITS
Headsails6
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 193.5 kg·m Stability Index 115.9
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  04140004S7I Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
ARIELFIN-15001
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 VMG1300.4922.4764.0695.4668.8655.5647.5641.2650.9
52°826.8605.5517.9483.3470.5464.1459.9455.3455.4
60°765.4575.5500.4470.3457.7451.6447.2441.6440.4
75°724.5556.2489.7460.7444.9435.4429.3420.2415.8
90°744.3566.0493.1460.5441.1426.4415.4401.1391.1
110°868.7633.8533.6479.7450.8430.2412.1382.3366.0
120°997.6693.5561.6493.4458.9436.3416.7380.5346.9
135°1184.7798.2628.6536.6484.6455.4434.3395.9357.8
150°1435.2955.0734.5609.6532.7485.3457.0417.7381.3
Run VMG1657.21102.8848.1702.4608.0540.9494.3443.0407.4
Selected Courses
Windward / Leeward1478.81012.6806.0698.9638.4598.2570.9542.1529.1
All purpose1088.8764.9625.3555.2517.4493.6477.3455.7442.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward666.40.9004
All purpose536.31.1189
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8409
Downwind "popa"0.8862
70% up, 30% down "Ilhabela"0.8540
30% up, 70% down "Ilhabela-inverso"0.8721
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Predominantly Upwind566.51.0590
Predominantly Downwind562.81.0661
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP559.11.0732 Predom. Rc High432.81.3862 5B SF Bay L/M730.70.8212 TriNum AP Low695.10.8632 Predom. Dn Low904.00.6637 5B SF Bay Med624.40.9609 TriNum AP Med533.11.1255 Predom. Dn L/M648.50.9252 5B SF Bay M/H562.41.0668 TriNum AP High473.31.2678 Predom. Dn Med541.01.1090 5B SF Bay High535.01.1215 TriNum W/L Low955.50.6279 Predom. Dn M/H474.31.2650 5B AP Low784.80.7645 TriNum W/L Med662.50.9057 Predom. Dn High439.21.3661 5B AP L/M605.20.9914 TriNum W/L Hig566.91.0583 ChiMac Up Low709.70.8454 5B AP Med525.31.1422 Predom. Upwind589.31.0181 ChiMac Up Med642.10.9344 5B AP M/H479.81.2506 Predom. Reaching534.31.1229 ChiMac Up High563.71.0645 5B AP High457.11.3127 Predom. Downwind592.61.0125 ChiMac Off Low766.40.7829 5B W/L Low1077.50.5568 Predom. Up Low806.80.7437 ChiMac Off Med667.60.8987 5B W/L L/M773.90.7753 Predom. Up L/M616.20.9737 ChiMac Off High551.61.0877 5B W/L Med650.00.9231 Predom. Up Med549.01.0929 ChiMac AP Low732.10.8196 5B W/L M/H576.41.0410 Predom. Up M/H515.21.1645 ChiMac AP Med650.60.9222 5B W/L High544.81.1012 Predom. Up High500.61.1984 ChiMac AP High555.01.0811 W/L 60-40 Low1057.50.5674 Predom. Rc Low751.20.7988 BayMac Cove Island851.10.7049 W/L 60-40 L/M769.00.7803 Predom. Rc L/M568.11.0562 BayMac Shore840.00.7143 W/L 60-40 Med655.40.9155 Predom. Rc Med497.11.2070 Harvest Moon472.71.2694 W/L 60-40 M/H591.01.0152 Predom. Rc M/H455.61.3170 5B SF Bay Low889.90.6742 W/L 60-40 High564.71.0626      SA/DSPL Up26.84SA/DSPL Dn26.84
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance587.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating587.11.0219
FinRating, kevyt tuuli1063.50.9403
FinRating, kova tuuli459.71.0878
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0219
Triple Number Coastal/Long Distance Low0.8632
Triple Number Coastal/Long Distance Medium1.1256
Triple Number Coastal/Long Distance High1.2678
Triple Number Windward/Leeward Low0.6598
Triple Number Windward/Leeward Medium0.9057
Triple Number Windward/Leeward High1.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
For information
General Purpose Handicap (GPH)603.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Saronikos S All Purpose597.81.0038
Saronikos S Upwind646.20.9285
Saronikos S Downwind550.01.0910
Saronikos N All Purpose634.60.9454
Saronikos N Upwind673.30.8912
Saronikos N Downwind608.30.9863
Saronikos SW All Purpose603.50.9943
Saronikos SW Upwind659.80.9093
Saronikos SW Downwind560.31.0709
Saronikos NE All Purpose666.50.9002
Saronikos NE Upwind631.60.9500
Saronikos NE Downwind691.80.8672
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose559.11.0732
5-Band All Purpose Low847.70.7078
5-Band All Purpose L/M628.80.9542
5-Band All Purpose Med543.01.1051
5-Band All Purpose M/H493.21.2165
5-Band All Purpose High468.71.2801
Single Number Predominant Upwind564.31.0632
Single Number Predominant Reaching512.61.1704
Single Number Predominant Downwind564.31.0632
5-Band 50-50 Windward/Leeward Low1077.50.5568
5-Band 50-50 Windward/Leeward L/M773.90.7753
5-Band 50-50 Windward/Leeward Med650.00.9231
5-Band 50-50 Windward/Leeward M/H576.41.0410
5-Band 50-50 Windward/Leeward High544.81.1012
5-Band 60-40 Windward/Leeward Low1057.50.5674
5-Band 60-40 Windward/Leeward L/M769.00.7803
5-Band 60-40 Windward/Leeward Med655.40.9155
5-Band 60-40 Windward/Leeward M/H591.01.0152
5-Band 60-40 Windward/Leeward High564.71.0626
Triple Number 50-50 Windward/Leeward Low955.50.6279
Triple Number 50-50 Windward/Leeward Med662.60.9056
Triple Number 50-50 Windward/Leeward High566.91.0583
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward671.10.8940
Triple Number 60-40 Windward/Leeward Low940.80.6377
Triple Number 60-40 Windward/Leeward Med666.50.9002
Triple Number 60-40 Windward/Leeward High583.01.0292
Triple Number All-Purpose Low759.00.7905
Triple Number All-Purpose Med551.41.0880
Triple Number All-Purpose High486.21.2340
Triple Number Predominant Upwind Low738.80.8121
Triple Number Predominant Upwind Med557.91.0756
Triple Number Predominant Upwind High514.11.1671
Triple Number Predominant Reaching Low680.40.8819
Triple Number Predominant Reaching Med511.81.1723
Triple Number Predominant Reaching High441.11.3601
Triple Number Predominant Downwind Low798.00.7519
Triple Number Predominant Downwind Med555.51.0801
Triple Number Predominant Downwind High457.71.3108
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low695.1
Triple Number Coastal/Long Distance Medium533.0
Triple Number Coastal/Long Distance High473.3
Triple Number Windward/Leeward Low909.4
Triple Number Windward/Leeward Medium662.5
Triple Number Windward/Leeward High566.9
Predominantly Upwind566.5
Predominantly Downwind562.8
Predominantly Reaching528.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8632
Triple Number Coastal/Long Distance Medium1.1256
Triple Number Coastal/Long Distance High1.2678
Triple Number Windward/Leeward Low0.6598
Triple Number Windward/Leeward Medium0.9057
Triple Number Windward/Leeward High1.0583
Coastal/Long Distance1.0219
Predominantly Upwind1.0590
Predominantly Downwind1.0661
For information
General Purpose Handicap (GPH)603.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1189
Distanseseilas Trippeltall svak vind0.8632
Distanseseilas Trippeltall mellomvind1.1256
Distanseseilas Trippeltall sterk vind1.2678
Pølsebane Trippeltall svak vind0.6598
Pølsebane Trippeltall mellomvind0.9057
Pølsebane Trippeltall sterk vind1.0583
Motvind Singeltall1.0590
Medvind Singeltall1.0661
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Coastal/Long Distance587.11.0219
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind566.51.0590
Predominantly Downwind562.81.0661
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore533.01.1256
Cape Doctor Coastal446.21.3447
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8632
Triple Number Coastal/Long Distance Medium1.1256
Triple Number Coastal/Long Distance High1.2678
Triple Number Windward/Leeward Low0.6598
Triple Number Windward/Leeward Medium0.9057
Triple Number Windward/Leeward High1.0583
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8632
Triple Number Coastal/Long Distance Medium1.1256
Triple Number Coastal/Long Distance High1.2678
Triple Number Windward/Leeward Low0.6598
Triple Number Windward/Leeward Medium0.9057
Triple Number Windward/Leeward High1.0583
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Predominantly Upwind566.51.0590
Predominantly Downwind562.81.0661
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.11.0219
Triple Number Coastal/Long Distance Low695.10.8632
Triple Number Coastal/Long Distance Medium533.01.1256
Triple Number Coastal/Long Distance High473.31.2678
Triple Number Windward/Leeward Low909.40.6598
Triple Number Windward/Leeward Medium662.50.9057
Triple Number Windward/Leeward High566.91.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1496.61021.6759.3628.4553.3513.0482.6435.9419.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP559.11.0732 Predom. Dn High439.21.3661 5B AP M/H479.81.2506 TriNum AP Low695.10.8632 Predom. Rc Low751.20.7988 5B AP High457.11.3127 TriNum AP Med533.11.1255 Predom. Rc L/M568.11.0562 5B SF Bay Low889.90.6742 TriNum AP High473.31.2678 Predom. Rc Med497.11.2070 5B SF Bay L/M730.70.8212 TriNum W/L Low955.50.6279 Predom. Rc M/H455.61.3170 5B SF Bay Med624.40.9609 TriNum W/L Med662.50.9057 Predom. Rc High432.81.3862 5B SF Bay M/H562.41.0668 TriNum W/L Hig566.91.0583 5B W/L Low1077.50.5568 5B SF Bay High535.01.1215 Predom. Upwind589.31.0181 5B W/L L/M773.90.7753 ChiMac Up Low709.70.8454 Predom. Reaching534.31.1229 5B W/L Med650.00.9231 ChiMac Up Med642.10.9344 Predom. Downwind592.61.0125 5B W/L M/H576.41.0410 ChiMac Up High563.71.0645 Predom. Up Low806.80.7437 5B W/L High544.81.1012 ChiMac Off Low766.40.7829 Predom. Up L/M616.20.9737 W/L 60-40 Low1057.50.5674 ChiMac Off Med667.60.8987 Predom. Up Med549.01.0929 W/L 60-40 L/M769.00.7803 ChiMac Off High551.61.0877 Predom. Up M/H515.21.1645 W/L 60-40 Med655.40.9155 ChiMac AP Low732.10.8196 Predom. Up High500.61.1984 W/L 60-40 M/H591.01.0152 ChiMac AP Med650.60.9222 Predom. Dn Low904.00.6637 W/L 60-40 High564.71.0626 ChiMac AP High555.01.0811 Predom. Dn L/M648.50.9252 5B AP Low784.80.7645 BayMac Cove Island851.10.7049 Predom. Dn Med541.01.1090 5B AP L/M605.20.9914 BayMac Shore840.00.7143 Predom. Dn M/H474.31.2650 5B AP Med525.31.1422 Harvest Moon472.71.2694      SA/DSPL Up26.84SA/DSPL Dn26.84
ORC Ref  04140004S7I Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
ARIELFIN-15001
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFinnGulf 41Measurement03/06/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.495Maximum beam3.844Draft2.196Displacement7,495Wetted area31.75IMS L11.099LSM010.832Accomod. length12.493Sink (kg/mm) 24.22
VCGD0.043VCGM0.081 RM Rated (kg·m) 193.5Limit of positive stability(°) 113.3 Stability Index 115.9 BLR index 0.0000Default crew weight772 Declared crew weight 650
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.454PBW0.113PIPA0.0038
EDL2.760ST10.044ST20.170
ST30.170ST40.113ST50.302
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders3Rotating mastNo
P16.000IG16.300ISP16.657MDT10.140MDL10.205MDT2MDL2TLNo TaperMW0.180GO0.203
E5.408J4.530BAS1.555FSDFoilSFJ0.198SPL4.651WPLTPSBD0.171MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16/05/2002
SFFP0.200FFM1.395FF1.409LCFcl6.929SG1.0050
SAFP11.425FAM1.060FA1.070LCFsh7.184HBI1.204
W1105.7W2105.7W3105.7W4105.7
PD1538.4PD2538.4PD3538.4PD4538.4
WD12.550PLM9000.00GSA1.0RSA1.0RM194.0
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004S7I Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
ARIELFIN-15001
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.171.122.023.504.5251.37
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment11.543.106.3116.48NoNo 52.12
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.5 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity162 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity100 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004S7I Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org