Club Certificate2026
WHITE SHADOWFRA-53556
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 Angles47.1°44.0°41.5°40.1°39.8°39.3°39.1°38.8°38.9°
Beat VMG2.643.784.625.185.495.665.775.875.89
52°4.185.816.887.587.968.148.268.358.37
60°4.536.137.177.848.208.408.518.588.64
75°4.806.357.388.038.418.648.798.939.04
90°4.656.227.298.018.458.748.949.259.46
110°4.286.077.358.178.638.899.069.349.55
120°4.165.947.228.118.659.009.309.7210.05
135°3.655.326.667.708.418.869.2310.0010.70
150°3.054.505.766.877.788.428.869.6010.42
Run VMG2.643.894.995.956.797.488.058.889.55
Gybe Angles141.5°144.4°148.5°150.1°154.5°160.3°165.5°176.8°176.3°
APH ToD:503.1CDL: 12.001APH ToT: 1.1925CertNo:26315a
BOAT
ClassSWAN 57DesignerSPARKMAN & STEPHENSBuilderNAUTORAge date07/1978Series date01/1977Offset fileSWN57S&S.OFFData fileF53556_26315a
HULL
Length Overall17.460 mMaximum Beam4.742 mDraft2.761 mDisplacement21,391 kgDLR8.9801IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.650%RS Assessment-0.305%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.300m
CREW
Maximum weight1,040 kg(default)Minimum weight884 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail66.7967.76Headsail Luffed96.6696.66Headsail FlyingSymmetric241.56241.56Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail19.46Storm Jib24.94Heavy Weather Jib67.34
SAIL LIMITS
Headsails7Spinnakers5
STABILITY
Righting Moment 486.8 kg·m Stability Index 125.9
COMMENTS
2026: New Sail # / CIN: 57-004 / Hull #04/49 From: 57-004.dxt
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  04330004QAC Issued on 19/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
WHITE SHADOWFRA-53556
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 VMG1362.3951.4779.4695.6655.7635.5623.5613.2611.6
52°861.2619.9523.6475.0452.5442.1436.0431.4430.2
60°793.9587.5502.1459.1438.9428.6423.2419.7416.9
75°749.3567.2488.0448.1427.9416.7409.7403.0398.4
90°775.0578.6494.1449.5425.8412.0402.6389.4380.6
110°840.6593.4489.7440.4417.2405.1397.1385.6377.0
120°864.5606.2498.7443.7416.1399.9387.1370.6358.2
135°986.0676.5540.6467.4428.1406.1389.9360.0336.4
150°1181.9800.5624.8524.3462.5427.5406.5375.2345.6
Run VMG1364.7924.3721.5605.4530.2481.4447.3405.6377.0
Selected Courses
Windward / Leeward1363.5937.8750.4650.5593.0558.5535.4509.4494.3
All purpose1026.4721.2589.4520.6483.5462.4448.8431.9420.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward620.60.9668
All purpose503.11.1925
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8477
Downwind "popa"1.0205
70% up, 30% down "Ilhabela"0.8931
30% up, 70% down "Ilhabela-inverso"0.9617
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Predominantly Upwind544.21.1026
Predominantly Downwind511.11.1740
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP523.81.1454 Predom. Rc High408.91.4673 5B SF Bay L/M685.00.8759 TriNum AP Low655.30.9156 Predom. Dn Low803.60.7466 5B SF Bay Med583.91.0277 TriNum AP Med499.51.2013 Predom. Dn L/M583.31.0287 5B SF Bay M/H527.31.1379 TriNum AP High445.91.3457 Predom. Dn Med491.11.2218 5B SF Bay High502.61.1938 TriNum W/L Low886.10.6771 Predom. Dn M/H436.71.3741 5B AP Low731.30.8204 TriNum W/L Med616.60.9730 Predom. Dn High408.51.4688 5B AP L/M568.91.0547 TriNum W/L Hig531.41.1291 ChiMac Up Low694.60.8638 5B AP Med492.11.2194 Predom. Upwind567.81.0567 ChiMac Up Med623.50.9623 5B AP M/H451.21.3299 Predom. Reaching502.31.1946 ChiMac Up High541.61.1078 5B AP High432.91.3860 Predom. Downwind536.31.1187 ChiMac Off Low684.90.8760 5B W/L Low997.40.6016 Predom. Up Low795.50.7542 ChiMac Off Med600.40.9994 5B W/L L/M719.60.8338 Predom. Up L/M599.41.0011 ChiMac Off High501.71.1959 5B W/L Med605.10.9916 Predom. Up Med525.61.1415 ChiMac AP Low686.30.8742 5B W/L M/H539.81.1116 Predom. Up M/H489.11.2268 ChiMac AP Med609.60.9843 5B W/L High511.31.1736 Predom. Up High474.41.2647 ChiMac AP High520.31.1532 W/L 60-40 Low1000.20.5999 Predom. Rc Low709.70.8454 BayMac Cove Island792.70.7569 W/L 60-40 L/M727.00.8253 Predom. Rc L/M534.71.1221 BayMac Shore786.00.7634 W/L 60-40 Med617.40.9719 Predom. Rc Med465.71.2884 Harvest Moon441.81.3582 W/L 60-40 M/H557.11.0770 Predom. Rc M/H428.01.4018 5B SF Bay Low836.90.7169 W/L 60-40 High531.91.1279      SA/DSPL Up21.00SA/DSPL Dn39.61
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance548.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating548.01.0948
FinRating, kevyt tuuli983.01.0173
FinRating, kova tuuli435.71.1477
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0948
Triple Number Coastal/Long Distance Low0.9156
Triple Number Coastal/Long Distance Medium1.2014
Triple Number Coastal/Long Distance High1.3457
Triple Number Windward/Leeward Low0.7108
Triple Number Windward/Leeward Medium0.9730
Triple Number Windward/Leeward High1.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
For information
General Purpose Handicap (GPH)566.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Saronikos S All Purpose576.41.0409
Saronikos S Upwind647.70.9263
Saronikos S Downwind493.71.2154
Saronikos N All Purpose605.00.9917
Saronikos N Upwind676.20.8873
Saronikos N Downwind540.21.1106
Saronikos SW All Purpose583.81.0278
Saronikos SW Upwind667.20.8993
Saronikos SW Downwind503.51.1915
Saronikos NE All Purpose631.20.9506
Saronikos NE Upwind634.20.9461
Saronikos NE Downwind614.10.9770
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose523.81.1454
5-Band All Purpose Low795.50.7543
5-Band All Purpose L/M589.61.0176
5-Band All Purpose Med507.51.1823
5-Band All Purpose M/H462.41.2977
5-Band All Purpose High441.11.3601
Single Number Predominant Upwind543.01.1051
Single Number Predominant Reaching481.61.2459
Single Number Predominant Downwind511.71.1726
5-Band 50-50 Windward/Leeward Low997.40.6016
5-Band 50-50 Windward/Leeward L/M719.60.8338
5-Band 50-50 Windward/Leeward Med605.10.9916
5-Band 50-50 Windward/Leeward M/H539.81.1116
5-Band 50-50 Windward/Leeward High511.31.1736
5-Band 60-40 Windward/Leeward Low1000.20.5999
5-Band 60-40 Windward/Leeward L/M727.00.8253
5-Band 60-40 Windward/Leeward Med617.40.9719
5-Band 60-40 Windward/Leeward M/H557.11.0770
5-Band 60-40 Windward/Leeward High531.91.1279
Triple Number 50-50 Windward/Leeward Low886.10.6771
Triple Number 50-50 Windward/Leeward Med616.70.9729
Triple Number 50-50 Windward/Leeward High531.41.1291
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward632.80.9482
Triple Number 60-40 Windward/Leeward Low890.20.6740
Triple Number 60-40 Windward/Leeward Med628.30.9550
Triple Number 60-40 Windward/Leeward High549.71.0916
Triple Number All-Purpose Low712.50.8421
Triple Number All-Purpose Med515.61.1637
Triple Number All-Purpose High456.31.3150
Triple Number Predominant Upwind Low722.50.8305
Triple Number Predominant Upwind Med535.11.1213
Triple Number Predominant Upwind High489.31.2262
Triple Number Predominant Reaching Low643.00.9331
Triple Number Predominant Reaching Med480.31.2493
Triple Number Predominant Reaching High415.01.4458
Triple Number Predominant Downwind Low714.30.8400
Triple Number Predominant Downwind Med501.21.1972
Triple Number Predominant Downwind High420.41.4274
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low655.3
Triple Number Coastal/Long Distance Medium499.4
Triple Number Coastal/Long Distance High445.9
Triple Number Windward/Leeward Low844.1
Triple Number Windward/Leeward Medium616.6
Triple Number Windward/Leeward High531.4
Predominantly Upwind544.2
Predominantly Downwind511.1
Predominantly Reaching489.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9156
Triple Number Coastal/Long Distance Medium1.2014
Triple Number Coastal/Long Distance High1.3457
Triple Number Windward/Leeward Low0.7108
Triple Number Windward/Leeward Medium0.9730
Triple Number Windward/Leeward High1.1291
Coastal/Long Distance1.0948
Predominantly Upwind1.1026
Predominantly Downwind1.1740
For information
General Purpose Handicap (GPH)566.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1925
Distanseseilas Trippeltall svak vind0.9156
Distanseseilas Trippeltall mellomvind1.2014
Distanseseilas Trippeltall sterk vind1.3457
Pølsebane Trippeltall svak vind0.7108
Pølsebane Trippeltall mellomvind0.9730
Pølsebane Trippeltall sterk vind1.1291
Motvind Singeltall1.1026
Medvind Singeltall1.1740
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Coastal/Long Distance548.01.0948
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind544.21.1026
Predominantly Downwind511.11.1740
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore498.81.2029
Cape Doctor Coastal424.01.4151
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9156
Triple Number Coastal/Long Distance Medium1.2014
Triple Number Coastal/Long Distance High1.3457
Triple Number Windward/Leeward Low0.7108
Triple Number Windward/Leeward Medium0.9730
Triple Number Windward/Leeward High1.1291
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9156
Triple Number Coastal/Long Distance Medium1.2014
Triple Number Coastal/Long Distance High1.3457
Triple Number Windward/Leeward Low0.7108
Triple Number Windward/Leeward Medium0.9730
Triple Number Windward/Leeward High1.1291
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Predominantly Upwind544.21.1026
Predominantly Downwind511.11.1740
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance548.01.0948
Triple Number Coastal/Long Distance Low655.30.9156
Triple Number Coastal/Long Distance Medium499.41.2014
Triple Number Coastal/Long Distance High445.91.3457
Triple Number Windward/Leeward Low844.10.7108
Triple Number Windward/Leeward Medium616.60.9730
Triple Number Windward/Leeward High531.41.1291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1363.6936.5706.3586.4516.5479.6452.8414.8403.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP523.81.1454 Predom. Dn High408.51.4688 5B AP M/H451.21.3299 TriNum AP Low655.30.9156 Predom. Rc Low709.70.8454 5B AP High432.91.3860 TriNum AP Med499.51.2013 Predom. Rc L/M534.71.1221 5B SF Bay Low836.90.7169 TriNum AP High445.91.3457 Predom. Rc Med465.71.2884 5B SF Bay L/M685.00.8759 TriNum W/L Low886.10.6771 Predom. Rc M/H428.01.4018 5B SF Bay Med583.91.0277 TriNum W/L Med616.60.9730 Predom. Rc High408.91.4673 5B SF Bay M/H527.31.1379 TriNum W/L Hig531.41.1291 5B W/L Low997.40.6016 5B SF Bay High502.61.1938 Predom. Upwind567.81.0567 5B W/L L/M719.60.8338 ChiMac Up Low694.60.8638 Predom. Reaching502.31.1946 5B W/L Med605.10.9916 ChiMac Up Med623.50.9623 Predom. Downwind536.31.1187 5B W/L M/H539.81.1116 ChiMac Up High541.61.1078 Predom. Up Low795.50.7542 5B W/L High511.31.1736 ChiMac Off Low684.90.8760 Predom. Up L/M599.41.0011 W/L 60-40 Low1000.20.5999 ChiMac Off Med600.40.9994 Predom. Up Med525.61.1415 W/L 60-40 L/M727.00.8253 ChiMac Off High501.71.1959 Predom. Up M/H489.11.2268 W/L 60-40 Med617.40.9719 ChiMac AP Low686.30.8742 Predom. Up High474.41.2647 W/L 60-40 M/H557.11.0770 ChiMac AP Med609.60.9843 Predom. Dn Low803.60.7466 W/L 60-40 High531.91.1279 ChiMac AP High520.31.1532 Predom. Dn L/M583.31.0287 5B AP Low731.30.8204 BayMac Cove Island792.70.7569 Predom. Dn Med491.11.2218 5B AP L/M568.91.0547 BayMac Shore786.00.7634 Predom. Dn M/H436.71.3741 5B AP Med492.11.2194 Harvest Moon441.81.3582      SA/DSPL Up21.00SA/DSPL Dn39.61
ORC Ref  04330004QAC Issued on 19/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
WHITE SHADOWFRA-53556
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSWAN 57Measurement01/07/1978HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall17.460Maximum beam4.742Draft2.761Displacement21,391Wetted area56.62IMS L13.631LSM013.354Accomod. length15.412Sink (kg/mm) 38.52
VCGD-0.050VCGM0.089 RM Rated (kg·m) 486.8Limit of positive stability(°) 114.0 Stability Index 125.9 BLR index 0.0000Default crew weight1,040 Declared crew weight 1,000
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBW0.150PIPA0.0105
PSD0.036PHD0.108PHL0.230
PSA17.0°ESL1.450
ST10.048ST20.146ST30.189
ST40.061ST50.255
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P19.500IG22.240ISP22.250MDT10.200MDL10.320MDT20.180MDL20.250TL3.490MW0.320GO0.350
E5.700J7.180BAS2.046FSD0.050SFJ0.000SPL7.200WPLTPS7.200BD0.300MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.050Flotation Date29/06/2023
SFFP0.730FFM1.780FF1.780LCFcl9.588SG1.0248
SAFP16.490FAM1.269FA1.269LCFsh9.882HBI1.437
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04330004QAC Issued on 19/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
WHITE SHADOWFRA-53556
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC1.172.163.7366.79* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC1.052.054.178.8822.15NoNo 96.66* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC22.0122.0122.0113.3012.65241.56
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length15.4 mTable area0.77 m²Headroom1.90 mMinimum number of berths7Personal gear stowage0.28 m³Fresh water capacity329 lMinimum number of seats in cockpit7Food stowage0.42 m³Fuel capacity158 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04330004QAC Issued on 19/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org