Club Certificate2026
ArdnageeFIN-11926
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 Angles46.9°43.9°41.6°40.3°38.8°37.2°36.5°36.1°36.7°
Beat VMG2.253.223.924.444.835.095.255.375.35
52°3.564.945.856.466.807.017.167.317.33
60°3.855.216.106.646.947.147.297.487.54
75°4.055.396.276.777.067.277.447.737.94
90°3.935.286.206.817.177.407.557.858.21
110°3.725.236.306.927.287.567.848.408.68
120°3.595.066.156.837.227.537.838.509.01
135°3.154.585.686.517.017.357.658.359.01
150°2.633.915.015.926.627.057.367.958.65
Run VMG2.283.394.345.155.856.416.847.437.99
Gybe Angles143.0°146.6°150.5°153.4°158.8°165.7°172.7°178.1°177.2°
APH ToD:586.1CDL: 8.740APH ToT: 1.0237CertNo:371-40
BOAT
ClassSwan 371DesignerRon HollandBuilderNautorAge date01/1981Series date01/1979Offset fileSWN371.offData file371-40
HULL
Length Overall11.229 mMaximum Beam3.474 mDraft2.058 mDisplacement7,301 kgDLR9.0370IMS DivisionCruiser/RacerDynamic Allowance0.540%Age Allowance0.650%RS Assessment-0.305%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.432m
CREW
Maximum weight500 kg(declared)Minimum weight370 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.7827.12Headsail Luffed43.6343.63Headsail FlyingSymmetric90.4490.44Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.01Storm Jib10.30Heavy Weather Jib27.80
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 190.2 kg·m Stability Index 147.2
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  04140004KUF Issued on 10/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ArdnageeFIN-11926
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 VMG1596.61117.1918.2810.6744.9706.7685.5670.6673.2
52°1010.8728.9615.4557.6529.5513.3503.0492.8491.1
60°935.6690.9589.8542.2518.5503.9493.7481.1477.7
75°887.9667.8574.1531.8509.7495.1483.6465.6453.4
90°916.4681.4581.1528.5502.1486.4476.7458.6438.7
110°968.0688.6571.3520.5494.7476.1458.9428.7414.9
120°1003.9711.2585.8527.2498.3478.1459.7423.6399.4
135°1143.0786.0634.1552.6513.4490.1470.7431.2399.8
150°1367.4919.7718.5608.2544.1510.8489.4452.7416.3
Run VMG1579.01061.9829.4699.6615.8561.6526.6484.3450.8
Selected Courses
Windward / Leeward1587.81089.5873.8755.1680.4634.2606.1577.5562.0
All purpose1197.8841.3689.2609.6564.1536.8518.7494.5478.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward713.30.8412
All purpose586.11.0237
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7429
Downwind "popa"0.8788
70% up, 30% down "Ilhabela"0.7790
30% up, 70% down "Ilhabela-inverso"0.8331
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Predominantly Upwind631.50.9501
Predominantly Downwind598.81.0020
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP609.30.9847 Predom. Rc High477.01.2578 5B SF Bay L/M797.30.7526 TriNum AP Low765.30.7840 Predom. Dn Low934.30.6422 5B SF Bay Med672.80.8918 TriNum AP Med583.01.0292 Predom. Dn L/M680.50.8817 5B SF Bay M/H599.41.0010 TriNum AP High514.21.1670 Predom. Dn Med575.51.0425 5B SF Bay High569.31.0539 TriNum W/L Low1030.40.5823 Predom. Dn M/H513.11.1693 5B AP Low853.30.7031 TriNum W/L Med709.90.8452 Predom. Dn High479.61.2511 5B AP L/M665.10.9021 TriNum W/L Hig602.30.9961 ChiMac Up Low812.50.7385 5B AP Med573.81.0457 Predom. Upwind658.40.9113 ChiMac Up Med726.30.8261 5B AP M/H521.51.1505 Predom. Reaching589.01.0187 ChiMac Up High626.30.9580 5B AP High496.01.2097 Predom. Downwind627.30.9564 ChiMac Off Low797.70.7521 5B W/L Low1160.20.5172 Predom. Up Low932.10.6437 ChiMac Off Med700.70.8563 5B W/L L/M835.20.7184 Predom. Up L/M701.40.8554 ChiMac Off High586.91.0223 5B W/L Med695.00.8633 Predom. Up Med609.40.9845 ChiMac AP Low801.30.7488 5B W/L M/H612.20.9800 Predom. Up M/H559.11.0731 ChiMac AP Med710.90.8440 5B W/L High579.71.0350 Predom. Up High538.81.1136 ChiMac AP High605.10.9916 W/L 60-40 Low1165.60.5148 Predom. Rc Low830.60.7224 BayMac Cove Island922.60.6503 W/L 60-40 L/M844.90.7101 Predom. Rc L/M627.20.9567 BayMac Shore915.10.6557 W/L 60-40 Med707.80.8477 Predom. Rc Med547.21.0965 Harvest Moon521.61.1502 W/L 60-40 M/H628.10.9553 Predom. Rc M/H502.21.1948 5B SF Bay Low975.70.6150 W/L 60-40 High598.51.0025      SA/DSPL Up18.59SA/DSPL Dn30.94
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance637.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating637.10.9417
FinRating, kevyt tuuli1144.40.8738
FinRating, kova tuuli500.20.9996
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9417
Triple Number Coastal/Long Distance Low0.7840
Triple Number Coastal/Long Distance Medium1.0294
Triple Number Coastal/Long Distance High1.1670
Triple Number Windward/Leeward Low0.6112
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
For information
General Purpose Handicap (GPH)660.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Saronikos S All Purpose673.30.8911
Saronikos S Upwind754.80.7950
Saronikos S Downwind579.61.0352
Saronikos N All Purpose701.30.8555
Saronikos N Upwind784.80.7645
Saronikos N Downwind632.30.9490
Saronikos SW All Purpose684.80.8762
Saronikos SW Upwind782.00.7673
Saronikos SW Downwind590.71.0157
Saronikos NE All Purpose732.80.8188
Saronikos NE Upwind739.00.8119
Saronikos NE Downwind714.70.8395
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose609.30.9847
5-Band All Purpose Low928.70.6460
5-Band All Purpose L/M689.00.8708
5-Band All Purpose Med591.41.0145
5-Band All Purpose M/H535.61.1202
5-Band All Purpose High508.91.1789
Single Number Predominant Upwind630.40.9517
Single Number Predominant Reaching565.61.0609
Single Number Predominant Downwind599.01.0016
5-Band 50-50 Windward/Leeward Low1160.20.5172
5-Band 50-50 Windward/Leeward L/M835.20.7184
5-Band 50-50 Windward/Leeward Med695.00.8633
5-Band 50-50 Windward/Leeward M/H612.20.9800
5-Band 50-50 Windward/Leeward High579.71.0350
5-Band 60-40 Windward/Leeward Low1165.60.5148
5-Band 60-40 Windward/Leeward L/M844.90.7101
5-Band 60-40 Windward/Leeward Med707.80.8477
5-Band 60-40 Windward/Leeward M/H628.10.9553
5-Band 60-40 Windward/Leeward High598.51.0025
Triple Number 50-50 Windward/Leeward Low1030.40.5823
Triple Number 50-50 Windward/Leeward Med710.00.8451
Triple Number 50-50 Windward/Leeward High602.40.9961
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward726.00.8265
Triple Number 60-40 Windward/Leeward Low1037.30.5784
Triple Number 60-40 Windward/Leeward Med722.30.8307
Triple Number 60-40 Windward/Leeward High618.90.9694
Triple Number All-Purpose Low832.10.7210
Triple Number All-Purpose Med601.30.9979
Triple Number All-Purpose High527.91.1366
Triple Number Predominant Upwind Low846.40.7089
Triple Number Predominant Upwind Med621.90.9648
Triple Number Predominant Upwind High556.71.0778
Triple Number Predominant Reaching Low752.70.7971
Triple Number Predominant Reaching Med563.31.0652
Triple Number Predominant Reaching High487.61.2306
Triple Number Predominant Downwind Low831.30.7217
Triple Number Predominant Downwind Med586.81.0225
Triple Number Predominant Downwind High496.21.2092
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low765.3
Triple Number Coastal/Long Distance Medium582.9
Triple Number Coastal/Long Distance High514.1
Triple Number Windward/Leeward Low981.7
Triple Number Windward/Leeward Medium709.9
Triple Number Windward/Leeward High602.3
Predominantly Upwind631.5
Predominantly Downwind598.8
Predominantly Reaching575.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7840
Triple Number Coastal/Long Distance Medium1.0294
Triple Number Coastal/Long Distance High1.1670
Triple Number Windward/Leeward Low0.6112
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9961
Coastal/Long Distance0.9417
Predominantly Upwind0.9501
Predominantly Downwind1.0020
For information
General Purpose Handicap (GPH)660.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0237
Distanseseilas Trippeltall svak vind0.7840
Distanseseilas Trippeltall mellomvind1.0294
Distanseseilas Trippeltall sterk vind1.1670
Pølsebane Trippeltall svak vind0.6112
Pølsebane Trippeltall mellomvind0.8452
Pølsebane Trippeltall sterk vind0.9961
Motvind Singeltall0.9501
Medvind Singeltall1.0020
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Coastal/Long Distance637.10.9417
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind631.50.9501
Predominantly Downwind598.81.0020
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore566.61.0589
Cape Doctor Coastal483.61.2407
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7840
Triple Number Coastal/Long Distance Medium1.0294
Triple Number Coastal/Long Distance High1.1670
Triple Number Windward/Leeward Low0.6112
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9961
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7840
Triple Number Coastal/Long Distance Medium1.0294
Triple Number Coastal/Long Distance High1.1670
Triple Number Windward/Leeward Low0.6112
Triple Number Windward/Leeward Medium0.8452
Triple Number Windward/Leeward High0.9961
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Predominantly Upwind631.50.9501
Predominantly Downwind598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance637.10.9417
Triple Number Coastal/Long Distance Low765.30.7840
Triple Number Coastal/Long Distance Medium582.91.0294
Triple Number Coastal/Long Distance High514.11.1670
Triple Number Windward/Leeward Low981.70.6112
Triple Number Windward/Leeward Medium709.90.8452
Triple Number Windward/Leeward High602.30.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1586.91086.8822.8683.5600.2556.1525.4478.7461.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP609.30.9847 Predom. Dn High479.61.2511 5B AP M/H521.51.1505 TriNum AP Low765.30.7840 Predom. Rc Low830.60.7224 5B AP High496.01.2097 TriNum AP Med583.01.0292 Predom. Rc L/M627.20.9567 5B SF Bay Low975.70.6150 TriNum AP High514.21.1670 Predom. Rc Med547.21.0965 5B SF Bay L/M797.30.7526 TriNum W/L Low1030.40.5823 Predom. Rc M/H502.21.1948 5B SF Bay Med672.80.8918 TriNum W/L Med709.90.8452 Predom. Rc High477.01.2578 5B SF Bay M/H599.41.0010 TriNum W/L Hig602.30.9961 5B W/L Low1160.20.5172 5B SF Bay High569.31.0539 Predom. Upwind658.40.9113 5B W/L L/M835.20.7184 ChiMac Up Low812.50.7385 Predom. Reaching589.01.0187 5B W/L Med695.00.8633 ChiMac Up Med726.30.8261 Predom. Downwind627.30.9564 5B W/L M/H612.20.9800 ChiMac Up High626.30.9580 Predom. Up Low932.10.6437 5B W/L High579.71.0350 ChiMac Off Low797.70.7521 Predom. Up L/M701.40.8554 W/L 60-40 Low1165.60.5148 ChiMac Off Med700.70.8563 Predom. Up Med609.40.9845 W/L 60-40 L/M844.90.7101 ChiMac Off High586.91.0223 Predom. Up M/H559.11.0731 W/L 60-40 Med707.80.8477 ChiMac AP Low801.30.7488 Predom. Up High538.81.1136 W/L 60-40 M/H628.10.9553 ChiMac AP Med710.90.8440 Predom. Dn Low934.30.6422 W/L 60-40 High598.51.0025 ChiMac AP High605.10.9916 Predom. Dn L/M680.50.8817 5B AP Low853.30.7031 BayMac Cove Island922.60.6503 Predom. Dn Med575.51.0425 5B AP L/M665.10.9021 BayMac Shore915.10.6557 Predom. Dn M/H513.11.1693 5B AP Med573.81.0457 Harvest Moon521.61.1502      SA/DSPL Up18.59SA/DSPL Dn30.94
ORC Ref  04140004KUF Issued on 10/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ArdnageeFIN-11926
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSwan 371Measurement22/07/2021HIN371-40Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.229Maximum beam3.474Draft2.058Displacement7,301Wetted area26.95IMS L9.443LSM09.313Accomod. length11.229Sink (kg/mm) 18.95
VCGD-0.500VCGM-0.475 RM Rated (kg·m) 190.2Limit of positive stability(°) 141.8 Stability Index 147.2 BLR index 0.0000Default crew weight622 Declared crew weight 500
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.432PBW0.160PIPA0.0039
PSD0.028PHD0.060PHL0.110
PSA15.0°ESL0.970
ST10.025ST20.090ST30.090
ST40.060ST50.177
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P12.500IG14.350ISP14.360MDT10.120MDL10.160MDT2MDL2TLNo TaperMW0.160GO0.160
E3.660J4.570BAS1.600FSDNo FoilSFJ0.140SPL4.570WPLTPSBD0.160MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.500Flotation Date17/09/2020
SFFP0.710FFM1.271FF1.271LCFcl6.198SG1.0259
SAFP10.492FAM1.040FA1.040LCFsh6.440HBI1.059
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004KUF Issued on 10/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ArdnageeFIN-11926
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.130.761.332.313.0226.7822/07/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.111.543.076.1414.10NoNo 43.6322/07/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA13.9513.9513.957.708.1090.4422/07/2021
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length11.2 mTable area0.55 m²Headroom1.77 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity130 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity74 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004KUF Issued on 10/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org