Club Certificate2026
GRAMPUS IIK 1226
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
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 Angles46.7°43.7°41.4°40.4°39.6°38.9°38.6°38.2°38.9°
Beat VMG2.583.634.374.905.225.385.485.575.55
52°4.085.546.507.147.487.657.747.817.85
60°4.415.836.777.357.677.847.948.048.08
75°4.676.036.957.507.838.038.178.368.47
90°4.555.936.887.537.908.128.318.628.89
110°4.205.857.037.748.148.448.719.079.32
120°4.075.726.897.658.098.438.759.369.68
135°3.575.136.327.247.828.208.549.259.84
150°2.984.355.486.447.227.778.148.789.45
Run VMG2.583.774.745.576.306.927.478.228.82
Gybe Angles140.8°143.9°147.4°149.9°154.7°162.6°173.6°178.6°178.6°
APH ToD:534.5CDL: 10.389APH ToT: 1.1226CertNo:060801
BOAT
ClassSwan 47 (1975)DesignerS&SBuilderNautorAge date12/1976Series date10/1975Offset fileSWN47S&S.offData file47-016
HULL
Length Overall14.600 mMaximum Beam4.194 mDraft2.380 mDisplacement15,151 kgDLR10.7720IMS DivisionCruiser/RacerDynamic Allowance0.420%Age Allowance0.650%RS Assessment-0.280%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.493m
CREW
Maximum weight640 kg(declared)Minimum weight510 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail49.6550.35Headsail Luffed81.4081.40Headsail FlyingSymmetricAsymmetric163.05163.05 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail14.51Storm Jib17.87Heavy Weather Jib48.23
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 329.6 kg·m Stability Index 144.9
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  03860004SI5 Issued on 08/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
GRAMPUS IIK 1226
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
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 VMG1394.0991.6823.5735.2690.2669.2657.0646.3648.8
52°882.9649.4554.0504.2481.3470.6465.2460.7458.7
60°815.5617.5532.0489.5469.2459.1453.7447.8445.4
75°770.3597.2518.1479.7459.5448.2440.6430.7425.1
90°791.9607.2523.2477.9455.6443.6433.2417.7404.9
110°857.9615.7512.4465.1442.2426.7413.6396.7386.2
120°883.6629.6522.4470.4444.9427.3411.4384.7371.8
135°1007.0701.8569.5497.3460.2438.9421.6389.4365.8
150°1209.2827.5657.1559.4498.3463.4442.5410.2381.0
Run VMG1396.2955.6758.7645.9571.3520.4481.9438.0408.0
Selected Courses
Windward / Leeward1395.1973.6791.1690.6630.8594.8569.4542.2528.4
All purpose1050.3750.9621.6552.9515.3493.6478.7459.8448.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward658.10.9117
All purpose534.51.1226
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8057
Downwind "popa"0.9607
70% up, 30% down "Ilhabela"0.8467
30% up, 70% down "Ilhabela-inverso"0.9083
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Predominantly Upwind577.01.0398
Predominantly Downwind544.71.1016
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP556.31.0786 Predom. Rc High438.51.3684 5B SF Bay L/M722.40.8305 TriNum AP Low686.30.8743 Predom. Dn Low832.70.7206 5B SF Bay Med620.00.9677 TriNum AP Med531.31.1293 Predom. Dn L/M616.20.9737 5B SF Bay M/H560.91.0697 TriNum AP High475.31.2623 Predom. Dn Med525.11.1427 5B SF Bay High535.11.1213 TriNum W/L Low923.60.6497 Predom. Dn M/H469.21.2788 5B AP Low759.10.7904 TriNum W/L Med655.10.9159 Predom. Dn High439.21.3662 5B AP L/M600.70.9988 TriNum W/L Hig565.61.0609 ChiMac Up Low727.00.8253 5B AP Med523.71.1456 Predom. Upwind599.91.0002 ChiMac Up Med655.90.9148 5B AP M/H481.11.2471 Predom. Reaching532.71.1263 ChiMac Up High574.11.0450 5B AP High461.11.3013 Predom. Downwind568.91.0546 ChiMac Off Low716.40.8375 5B W/L Low1033.30.5806 Predom. Up Low826.70.7258 ChiMac Off Med632.70.9483 5B W/L L/M758.90.7907 Predom. Up L/M633.00.9479 ChiMac Off High534.51.1225 5B W/L Med643.00.9332 Predom. Up Med558.11.0750 ChiMac AP Low718.20.8354 5B W/L M/H574.31.0447 Predom. Up M/H520.61.1526 ChiMac AP Med641.90.9348 5B W/L High544.51.1019 Predom. Up High505.31.1875 ChiMac AP High552.91.0852 W/L 60-40 Low1036.70.5788 Predom. Rc Low737.40.8137 BayMac Cove Island824.50.7277 W/L 60-40 L/M766.60.7827 Predom. Rc L/M565.51.0610 BayMac Shore817.60.7338 W/L 60-40 Med654.90.9162 Predom. Rc Med497.11.2069 Harvest Moon472.21.2705 W/L 60-40 M/H591.41.0145 Predom. Rc M/H459.11.3068 5B SF Bay Low872.10.6880 W/L 60-40 High565.31.0614      SA/DSPL Up21.21SA/DSPL Dn34.43
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance582.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating582.21.0305
FinRating, kevyt tuuli1016.40.9838
FinRating, kova tuuli464.41.0768
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0305
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1294
Triple Number Coastal/Long Distance High1.2623
Triple Number Windward/Leeward Low0.6800
Triple Number Windward/Leeward Medium0.9159
Triple Number Windward/Leeward High1.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
For information
General Purpose Handicap (GPH)599.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Saronikos S All Purpose610.00.9837
Saronikos S Upwind681.90.8799
Saronikos S Downwind523.61.1459
Saronikos N All Purpose636.80.9421
Saronikos N Upwind709.30.8459
Saronikos N Downwind569.01.0545
Saronikos SW All Purpose616.10.9739
Saronikos SW Upwind700.90.8560
Saronikos SW Downwind531.11.1297
Saronikos NE All Purpose660.20.9088
Saronikos NE Upwind664.80.9025
Saronikos NE Downwind638.80.9392
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose556.31.0786
5-Band All Purpose Low825.60.7267
5-Band All Purpose L/M622.90.9632
5-Band All Purpose Med540.71.1096
5-Band All Purpose M/H494.41.2137
5-Band All Purpose High471.81.2717
Single Number Predominant Upwind575.81.0420
Single Number Predominant Reaching512.91.1698
Single Number Predominant Downwind545.21.1005
5-Band 50-50 Windward/Leeward Low1033.30.5806
5-Band 50-50 Windward/Leeward L/M758.90.7907
5-Band 50-50 Windward/Leeward Med643.00.9332
5-Band 50-50 Windward/Leeward M/H574.31.0447
5-Band 50-50 Windward/Leeward High544.51.1019
5-Band 60-40 Windward/Leeward Low1036.70.5788
5-Band 60-40 Windward/Leeward L/M766.60.7827
5-Band 60-40 Windward/Leeward Med654.90.9162
5-Band 60-40 Windward/Leeward M/H591.41.0145
5-Band 60-40 Windward/Leeward High565.31.0614
Triple Number 50-50 Windward/Leeward Low923.60.6497
Triple Number 50-50 Windward/Leeward Med655.20.9158
Triple Number 50-50 Windward/Leeward High565.51.0609
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward670.10.8954
Triple Number 60-40 Windward/Leeward Low928.30.6463
Triple Number 60-40 Windward/Leeward Med666.30.9004
Triple Number 60-40 Windward/Leeward High583.61.0280
Triple Number All-Purpose Low744.20.8063
Triple Number All-Purpose Med549.01.0930
Triple Number All-Purpose High487.91.2297
Triple Number Predominant Upwind Low754.70.7950
Triple Number Predominant Upwind Med567.91.0565
Triple Number Predominant Upwind High520.41.1529
Triple Number Predominant Reaching Low672.40.8924
Triple Number Predominant Reaching Med511.81.1722
Triple Number Predominant Reaching High445.61.3466
Triple Number Predominant Downwind Low744.90.8055
Triple Number Predominant Downwind Med535.51.1205
Triple Number Predominant Downwind High452.51.3259
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low686.3
Triple Number Coastal/Long Distance Medium531.3
Triple Number Coastal/Long Distance High475.3
Triple Number Windward/Leeward Low882.4
Triple Number Windward/Leeward Medium655.1
Triple Number Windward/Leeward High565.6
Predominantly Upwind577.0
Predominantly Downwind544.7
Predominantly Reaching521.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1294
Triple Number Coastal/Long Distance High1.2623
Triple Number Windward/Leeward Low0.6800
Triple Number Windward/Leeward Medium0.9159
Triple Number Windward/Leeward High1.0609
Coastal/Long Distance1.0305
Predominantly Upwind1.0398
Predominantly Downwind1.1016
For information
General Purpose Handicap (GPH)599.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1226
Distanseseilas Trippeltall svak vind0.8743
Distanseseilas Trippeltall mellomvind1.1294
Distanseseilas Trippeltall sterk vind1.2623
Pølsebane Trippeltall svak vind0.6800
Pølsebane Trippeltall mellomvind0.9159
Pølsebane Trippeltall sterk vind1.0609
Motvind Singeltall1.0398
Medvind Singeltall1.1016
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Coastal/Long Distance582.21.0305
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind577.01.0398
Predominantly Downwind544.71.1016
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore532.61.1267
Cape Doctor Coastal451.81.3281
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1294
Triple Number Coastal/Long Distance High1.2623
Triple Number Windward/Leeward Low0.6800
Triple Number Windward/Leeward Medium0.9159
Triple Number Windward/Leeward High1.0609
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1294
Triple Number Coastal/Long Distance High1.2623
Triple Number Windward/Leeward Low0.6800
Triple Number Windward/Leeward Medium0.9159
Triple Number Windward/Leeward High1.0609
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Predominantly Upwind577.01.0398
Predominantly Downwind544.71.1016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance582.21.0305
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium531.31.1294
Triple Number Coastal/Long Distance High475.31.2623
Triple Number Windward/Leeward Low882.40.6800
Triple Number Windward/Leeward Medium655.10.9159
Triple Number Windward/Leeward High565.61.0609
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1395.2971.8744.6622.7550.2512.4483.9441.1429.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP556.31.0786 Predom. Dn High439.21.3662 5B AP M/H481.11.2471 TriNum AP Low686.30.8743 Predom. Rc Low737.40.8137 5B AP High461.11.3013 TriNum AP Med531.31.1293 Predom. Rc L/M565.51.0610 5B SF Bay Low872.10.6880 TriNum AP High475.31.2623 Predom. Rc Med497.11.2069 5B SF Bay L/M722.40.8305 TriNum W/L Low923.60.6497 Predom. Rc M/H459.11.3068 5B SF Bay Med620.00.9677 TriNum W/L Med655.10.9159 Predom. Rc High438.51.3684 5B SF Bay M/H560.91.0697 TriNum W/L Hig565.61.0609 5B W/L Low1033.30.5806 5B SF Bay High535.11.1213 Predom. Upwind599.91.0002 5B W/L L/M758.90.7907 ChiMac Up Low727.00.8253 Predom. Reaching532.71.1263 5B W/L Med643.00.9332 ChiMac Up Med655.90.9148 Predom. Downwind568.91.0546 5B W/L M/H574.31.0447 ChiMac Up High574.11.0450 Predom. Up Low826.70.7258 5B W/L High544.51.1019 ChiMac Off Low716.40.8375 Predom. Up L/M633.00.9479 W/L 60-40 Low1036.70.5788 ChiMac Off Med632.70.9483 Predom. Up Med558.11.0750 W/L 60-40 L/M766.60.7827 ChiMac Off High534.51.1225 Predom. Up M/H520.61.1526 W/L 60-40 Med654.90.9162 ChiMac AP Low718.20.8354 Predom. Up High505.31.1875 W/L 60-40 M/H591.41.0145 ChiMac AP Med641.90.9348 Predom. Dn Low832.70.7206 W/L 60-40 High565.31.0614 ChiMac AP High552.91.0852 Predom. Dn L/M616.20.9737 5B AP Low759.10.7904 BayMac Cove Island824.50.7277 Predom. Dn Med525.11.1427 5B AP L/M600.70.9988 BayMac Shore817.60.7338 Predom. Dn M/H469.21.2788 5B AP Med523.71.1456 Harvest Moon472.21.2705      SA/DSPL Up21.21SA/DSPL Dn34.43
ORC Ref  03860004SI5 Issued on 08/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
GRAMPUS IIK 1226
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSwan 47 (1975)MeasurementHIN47-016Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall14.600Maximum beam4.194Draft2.380Displacement15,151Wetted area41.58IMS L11.418LSM011.203Accomod. length13.630Sink (kg/mm) 27.60
VCGD-0.400VCGM-0.324 RM Rated (kg·m) 329.6Limit of positive stability(°) 135.0 Stability Index 144.9 BLR index 0.0000Default crew weight809 Declared crew weight 640
Centerboard weight0.0List angleCanting keel angle
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.493PBW0.149PIPA0.0071
PSD0.038PHD0.070PHL0.180
PSA21.0°ESL1.027
ST10.040ST20.146ST30.146
ST40.064ST50.219
RIG
BackstayAdjustableForestayFixedInner forestayFixedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P16.980IG18.900ISP19.000MDT10.183MDL10.314MDT20.177MDL20.247TL3.810MW0.000GO0.000
E4.880J6.040BAS1.453FSDNo FoilSFJ0.015SPL6.161WPLTPS0.000BD0.149MWT0.00MCG0.000
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.400Flotation Date04/06/2024
SFFP1.170FFM1.543FF1.543LCFcl7.977SG1.0252
SAFP13.445FAM1.087FA1.087LCFsh8.251HBI1.281
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03860004SI5 Issued on 08/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
GRAMPUS IIK 1226
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.251.071.853.174.1049.65
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH10.051.122.224.456.708.7918.33NoNo 81.40
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentS118.9418.4718.7110.5010.30102%163.05
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length13.6 mTable area0.66 m²Headroom1.87 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity228 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity122 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03860004SI5 Issued on 08/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org