Non Spin/HSFClub Certificate2026
BANDERSNATCH OF HOWTHIR2848
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 Angles46.4°43.5°41.8°40.8°39.3°38.6°38.5°38.1°38.7°
Beat VMG2.313.233.884.374.714.894.995.085.04
52°3.634.935.796.366.696.886.987.057.07
60°3.925.186.036.546.847.027.147.237.28
75°4.125.346.176.676.967.177.337.547.65
90°3.995.246.116.666.987.217.417.768.03
110°3.374.645.636.396.887.197.457.968.38
120°3.094.435.446.246.777.117.397.948.44
135°2.683.964.985.796.436.877.177.718.25
150°2.243.374.355.175.886.456.857.397.91
Run VMG1.942.913.774.515.185.796.337.047.52
Gybe Angles141.7°145.3°150.1°155.9°162.2°170.0°175.4°179.0°179.0°
APH ToD:620.0CDL: 8.252APH ToT: 0.9677CertNo:26008_NS
BOAT
ClassSWAN 37DesignerSPARKMAN & STEPHENBuilderNAUTOS KYAge date01/1971Series date01/1970Offset fileSWN37S&S.offData file37-027
HULL
Length Overall11.079Maximum Beam3.268Draft1.871Displacement6,924DLR10.6347IMS DivisionCruiser/RacerDynamic Allowance0.490%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.412m
CREW
Maximum weight561(default)Minimum weight431 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.1824.37Headsail Luffed52.8852.88Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail7.71Storm Jib9.96Heavy Weather Jib26.89
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 155.0 Stability Index 136.2
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  051800048HE Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
BANDERSNATCH OF HOWTHIR2848
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 VMG1561.71113.9928.2824.1764.5735.7720.8709.1713.9
52°991.3730.8621.7566.0538.0523.3515.9510.9509.1
60°919.0694.5597.2550.1526.3512.8504.4498.1494.3
75°874.3673.7583.1539.5516.9502.4491.4477.2470.5
90°901.7687.1589.5540.7515.4499.0485.8464.0448.5
110°1067.4776.5639.3563.3523.5500.8483.0452.0429.4
120°1166.0811.8662.0577.3531.4506.0487.0453.4426.8
135°1341.4908.5723.6621.8559.8524.0502.1467.2436.2
150°1605.61069.6827.0695.7612.3558.3525.2486.9455.1
Run VMG1854.01235.1954.8798.1695.6621.4569.1511.6478.8
Selected Courses
Windward / Leeward1707.91174.5941.5811.1730.0678.5645.0610.3596.3
All purpose1274.0899.9736.6647.5595.4564.3544.2520.0505.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward764.80.7845
All purpose620.00.9677
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7246
Downwind "popa"0.7798
70% up, 30% down "Ilhabela"0.7403
30% up, 70% down "Ilhabela-inverso"0.7624
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Predominantly Upwind656.50.9139
Predominantly Downwind649.00.9245
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP644.50.9309 Predom. Rc High498.01.2047 5B SF Bay L/M852.60.7037 TriNum AP Low818.30.7333 Predom. Dn Low1038.70.5777 5B SF Bay Med717.40.8364 TriNum AP Med616.80.9727 Predom. Dn L/M748.30.8019 5B SF Bay M/H636.50.9426 TriNum AP High540.21.1107 Predom. Dn Med622.90.9633 5B SF Bay High604.00.9933 TriNum W/L Low1109.90.5406 Predom. Dn M/H544.91.1011 5B AP Low920.30.6520 TriNum W/L Med761.80.7876 Predom. Dn High507.11.1831 5B AP L/M708.40.8470 TriNum W/L Hig640.40.9369 ChiMac Up Low838.00.7160 5B AP Med606.30.9895 Predom. Upwind682.80.8788 ChiMac Up Med751.20.7987 5B AP M/H547.81.0952 Predom. Reaching620.60.9668 ChiMac Up High651.30.9212 5B AP High521.71.1500 Predom. Downwind682.10.8797 ChiMac Off Low881.40.6807 5B W/L Low1249.60.4802 Predom. Up Low958.60.6259 ChiMac Off Med768.20.7810 5B W/L L/M898.60.6677 Predom. Up L/M726.80.8255 ChiMac Off High635.60.9440 5B W/L Med745.50.8049 Predom. Up Med632.90.9480 ChiMac AP Low853.60.7029 5B W/L M/H652.00.9203 Predom. Up M/H583.01.0291 ChiMac AP Med755.40.7943 5B W/L High613.90.9774 Predom. Up High564.21.0634 ChiMac AP High640.80.9363 W/L 60-40 Low1235.60.4856 Predom. Rc Low882.30.6801 BayMac Cove Island987.60.6075 W/L 60-40 L/M897.80.6683 Predom. Rc L/M665.00.9022 BayMac Shore976.20.6146 W/L 60-40 Med752.30.7976 Predom. Rc Med575.71.0423 Harvest Moon548.91.0930 W/L 60-40 M/H666.60.9001 Predom. Rc M/H523.91.1453 5B SF Bay Low1042.60.5755 W/L 60-40 High633.50.9471      SA/DSPL Up21.08SA/DSPL Dn21.08
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance677.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating677.40.8858
FinRating, kevyt tuuli1233.70.8105
FinRating, kova tuuli526.40.9499
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8858
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9729
Triple Number Coastal/Long Distance High1.1107
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7876
Triple Number Windward/Leeward High0.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
For information
General Purpose Handicap (GPH)700.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Saronikos S All_Purpose700.90.8560
Saronikos S Upwind764.00.7853
Saronikos S Downwind640.10.9374
Saronikos N All_Purpose700.90.8560
Saronikos N Upwind794.20.7555
Saronikos N Downwind707.80.8477
Saronikos SW All_Purpose713.30.8411
Saronikos SW Upwind787.70.7617
Saronikos SW Downwind655.20.9157
Saronikos NE All_Purpose778.00.7712
Saronikos NE Upwind745.70.8046
Saronikos NE Downwind807.70.7428
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose644.50.9309
5-Band All-Purpose Low990.90.6055
5-Band All-Purpose L/M733.90.8175
5-Band All-Purpose Med625.90.9585
5-Band All-Purpose M/H562.71.0662
5-Band All-Purpose High534.51.1226
Single Number Predominant Upwind654.60.9166
Single Number Predominant Reaching595.71.0072
Single Number Predominant Downwind650.10.9229
5-Band 50-50 Windward/Leeward Low1249.60.4802
5-Band 50-50 Windward/Leeward L/M898.60.6677
5-Band 50-50 Windward/Leeward Med745.50.8049
5-Band 50-50 Windward/Leeward M/H652.00.9203
5-Band 50-50 Windward/Leeward High613.90.9774
5-Band 60-40 Windward/Leeward Low1235.60.4856
5-Band 60-40 Windward/Leeward L/M897.80.6683
5-Band 60-40 Windward/Leeward Med752.30.7976
5-Band 60-40 Windward/Leeward M/H666.60.9001
5-Band 60-40 Windward/Leeward High633.50.9471
Triple Number 50-50 Windward/Leeward Low1109.90.5406
Triple Number 50-50 Windward/Leeward Med761.90.7875
Triple Number 50-50 Windward/Leeward High640.40.9369
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward771.30.7779
Triple Number 60-40 Windward/Leeward Low1100.90.5450
Triple Number 60-40 Windward/Leeward Med767.70.7815
Triple Number 60-40 Windward/Leeward High656.30.9142
Triple Number All-Purpose Low888.10.6756
Triple Number All-Purpose Med637.20.9417
Triple Number All-Purpose High554.41.0822
Triple Number Predominant Upwind Low875.90.6850
Triple Number Predominant Upwind Med646.10.9287
Triple Number Predominant Upwind High579.91.0346
Triple Number Predominant Reaching Low799.30.7507
Triple Number Predominant Reaching Med593.31.0113
Triple Number Predominant Reaching High507.81.1816
Triple Number Predominant Downwind Low919.60.6525
Triple Number Predominant Downwind Med639.50.9383
Triple Number Predominant Downwind High527.21.1380
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low818.2
Triple Number Coastal/Long Distance Medium616.7
Triple Number Coastal/Long Distance High540.2
Triple Number Windward/Leeward Low1058.0
Triple Number Windward/Leeward Medium761.8
Triple Number Windward/Leeward High640.4
Predominantly Upwind656.5
Predominantly Downwind649.0
Predominantly Reaching612.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9729
Triple Number Coastal/Long Distance High1.1107
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7876
Triple Number Windward/Leeward High0.9369
Coastal/Long Distance0.8858
Predominantly Upwind0.9139
Predominantly Downwind0.9245
For information
General Purpose Handicap (GPH)700.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9677
Distanseseilas Trippeltall svak vind0.7333
Distanseseilas Trippeltall mellomvind0.9729
Distanseseilas Trippeltall sterk vind1.1107
Pølsebane Trippeltall svak vind0.5671
Pølsebane Trippeltall mellomvind0.7876
Pølsebane Trippeltall sterk vind0.9369
Motvind Singeltall0.9139
Medvind Singeltall0.9245
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Coastal/Long Distance677.40.8858
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind656.50.9139
Predominantly Downwind649.00.9245
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore600.50.9991
Cape Doctor Coastal509.91.1766
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9729
Triple Number Coastal/Long Distance High1.1107
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7876
Triple Number Windward/Leeward High0.9369
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9729
Triple Number Coastal/Long Distance High1.1107
Triple Number Windward/Leeward Low0.5671
Triple Number Windward/Leeward Medium0.7876
Triple Number Windward/Leeward High0.9369
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Predominantly Upwind656.50.9139
Predominantly Downwind649.00.9245
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.40.8858
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium616.70.9729
Triple Number Coastal/Long Distance High540.21.1107
Triple Number Windward/Leeward Low1058.00.5671
Triple Number Windward/Leeward Medium761.80.7876
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.51180.6887.0730.8635.7586.0551.0501.4484.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP644.50.9309 Predom. Dn High507.11.1831 5B AP M/H547.81.0952 TriNum AP Low818.30.7333 Predom. Rc Low882.30.6801 5B AP High521.71.1500 TriNum AP Med616.80.9727 Predom. Rc L/M665.00.9022 5B SF Bay Low1042.60.5755 TriNum AP High540.21.1107 Predom. Rc Med575.71.0423 5B SF Bay L/M852.60.7037 TriNum W/L Low1109.90.5406 Predom. Rc M/H523.91.1453 5B SF Bay Med717.40.8364 TriNum W/L Med761.80.7876 Predom. Rc High498.01.2047 5B SF Bay M/H636.50.9426 TriNum W/L Hig640.40.9369 5B W/L Low1249.60.4802 5B SF Bay High604.00.9933 Predom. Upwind682.80.8788 5B W/L L/M898.60.6677 ChiMac Up Low838.00.7160 Predom. Reaching620.60.9668 5B W/L Med745.50.8049 ChiMac Up Med751.20.7987 Predom. Downwind682.10.8797 5B W/L M/H652.00.9203 ChiMac Up High651.30.9212 Predom. Up Low958.60.6259 5B W/L High613.90.9774 ChiMac Off Low881.40.6807 Predom. Up L/M726.80.8255 W/L 60-40 Low1235.60.4856 ChiMac Off Med768.20.7810 Predom. Up Med632.90.9480 W/L 60-40 L/M897.80.6683 ChiMac Off High635.60.9440 Predom. Up M/H583.01.0291 W/L 60-40 Med752.30.7976 ChiMac AP Low853.60.7029 Predom. Up High564.21.0634 W/L 60-40 M/H666.60.9001 ChiMac AP Med755.40.7943 Predom. Dn Low1038.70.5777 W/L 60-40 High633.50.9471 ChiMac AP High640.80.9363 Predom. Dn L/M748.30.8019 5B AP Low920.30.6520 BayMac Cove Island987.60.6075 Predom. Dn Med622.90.9633 5B AP L/M708.40.8470 BayMac Shore976.20.6146 Predom. Dn M/H544.91.1011 5B AP Med606.30.9895 Harvest Moon548.91.0930      SA/DSPL Up21.08SA/DSPL Dn21.08
ORC Ref  051800048HE Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
BANDERSNATCH OF HOWTHIR2848
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSWAN 37Measurement03/02/1973HIN37-027Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.079Maximum beam3.268Draft1.871Displacement6,924Wetted area26.04IMS L8.873LSM08.666Accomod. length10.621Sink (kg/mm) 17.76
VCGD-0.300VCGM-0.279 RM Rated (kg·m) 155.0Limit of positive stability(°) 129.7 Stability Index 136.2 BLR index 0.0000Default crew weight561 Declared crew weight
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.412PBW0.095PIPA0.0029
PSD0.030PHD0.053PHL0.083
PSA10.0°ESL0.839
ST10.022ST20.107ST30.153
ST40.057ST50.165
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P12.345IG14.113ISP14.113MDT10.138MDL10.225MDT2MDL2TLTaperMWGO
E3.567J4.771BAS1.372FSDFoilSFJSPL4.882WPLTPSBD0.116MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.300Flotation Date06/09/2025
SFFP0.799FFM1.180FF1.180LCFcl6.055SG
SAFP10.147FAM0.812FA0.812LCFsh6.251HBI0.914
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  051800048HE Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
BANDERSNATCH OF HOWTHIR2848
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.140.901.301.992.6024.18* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC7.1414.55NoNo 52.88* Copied from legacy *
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  051800048HE Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org