Club
Certificate
2023

Boat

Isbjørn

NOR 15046

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.2°41.2°40.2°39.9°39.3°38.8°38.2°
Beat VMG3.604.324.835.135.305.425.55
52°5.476.407.027.377.567.667.78
60°5.746.657.237.567.757.857.99
75°5.906.817.387.717.938.088.28
90°5.796.737.367.747.998.188.47
110°5.596.737.497.928.218.448.74
120°5.456.607.417.898.218.488.95
135°4.956.096.997.618.008.328.91
150°4.195.336.267.067.617.988.57
Run VMG3.634.615.446.176.807.368.09
Gybe Angles145.1°149.6°152.9°155.9°162.8°175.4°179.0°

APH: 545.4

CDL: 10.262

GPH: 612.6

CertNo: 676323

BOAT
ClassS&S Swan 48DesignerSparkman & StephenBuilderNautorAge date01/1972Series date01/1971Offset fileSWN48S&S.OFFData file676323
HULL
Length Overall14.606 mMaximum Beam4.152 mDraft2.366 mDisplacement16,066 kgDLR10.7531IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.450m
CREW
Maximum weight833 kgMinimum weight625 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail53.3053.96Headsail Luffed73.5273.52Headsail FlyingSymmetric146.06146.06Asymmetric
STORM SAIL AREAS (m²)
Trysail16.27Storm Jib17.55Heavy Weather Jib47.36
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
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.

Club
Certificate
2023

Boat

Isbjørn

NOR 15046

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1001.3833.6745.6702.0678.8664.5649.0
52°658.3562.6512.5488.2476.3469.9463.0
60°627.2541.5497.7476.3464.8458.4450.8
75°609.8528.9487.9466.9454.2445.7434.6
90°622.0535.2489.1465.4450.8440.1424.9
110°644.4534.7480.4454.6438.7426.8412.0
120°660.5545.9485.6456.5438.4424.6402.3
135°726.9591.3515.3473.2449.9432.8404.1
150°859.2676.0574.8510.2473.0451.1420.0
Run VMG992.2780.6662.0583.4529.3489.1444.9
Selected Courses
Windward / Leeward996.7807.1703.8642.7604.0576.8546.9
All purpose770.5636.7565.2525.7502.3486.7467.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward670.00.8956
All purpose545.41.1001
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7962
Downwind "popa"0.9372
70% up, 30% down "Ilhabela"0.8339
30% up, 70% down "Ilhabela-inverso"0.8899
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Predominantly Upwind587.11.0219
Predominantly Downwind557.51.0763
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low703.60.8527
Triple Number All Purpose Medium542.31.1065
Triple Number All Purpose High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Predominantly Upwind587.11.0219
Predominantly Downwind557.51.0763
Predominantly Upwind Low776.10.7731
Predominantly Upwind Medium604.20.9931
Predominantly Upwind High556.51.0781
Predominantly Downwind Low772.40.7768
Predominantly Downwind Medium554.41.0822
Predominantly Downwind High463.21.2954
Chicago-Mac Upwind1.0034
Chicago-Mac All Purpose1.0267
Chicago-Mac Downwind1.0565
Bayview-Mac Cove Island0.9552
Bayview-Mac Shore0.9662
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching520.31.1532
Predominantly Reaching Low639.90.9376
Predominantly Reaching Medium515.51.1638
Predominantly Reaching High455.51.3173
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low982.10.6109
5-Band Low / Medium825.60.7267
5-Band Medium654.60.9166
5-Band Medium / High582.01.0310
5-Band High552.11.0867
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance593.7
Triple Number Coastal/Long Distance Low703.6
Triple Number Coastal/Long Distance Medium542.3
Triple Number Coastal/Long Distance High483.3
Triple Number Windward/Leeward Low901.8
Triple Number Windward/Leeward Medium667.1
Triple Number Windward/Leeward High572.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8527
Triple Number Coastal/Long Distance Medium1.1065
Triple Number Coastal/Long Distance High1.2415
Triple Number Windward/Leeward Low0.6653
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low703.6
Triple Number Coastal/Long Distance Medium542.3
Triple Number Coastal/Long Distance High483.3
Triple Number Windward/Leeward Low901.8
Triple Number Windward/Leeward Medium667.1
Triple Number Windward/Leeward High572.4
Predominantly Upwind587.1
Predominantly Downwind557.5
Predominantly Reaching533.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8527
Triple Number Coastal/Long Distance Medium1.1065
Triple Number Coastal/Long Distance High1.2415
Triple Number Windward/Leeward Low0.6653
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0482
Coastal/Long Distance1.0106
Predominantly Upwind1.0219
Predominantly Downwind1.0763
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8527
Tretall Distanseseilas Mellomvind1.1065
Tretall Distanseseilas Mye vind1.2415
Tretall Pølsebane Lite vind0.6653
Tretall Pølsebane Mellomvind0.8994
Tretall Pølsebane Mye vind1.0482
Distanseseilas ett tall (OSN 8-16kn)1.0106
Distanseseilas ett tall (APH 6-20kn)1.1001
Enkeltall Motvind1.0219
Enkeltall Medvind1.0763
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Coastal/Long Distance593.71.0106
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind587.11.0219
Predominantly Downwind557.51.0763
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore555.91.0793
Cape Doctor Coastal473.01.2684
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8527
Triple Number Coastal/Long Distance Medium1.1065
Triple Number Coastal/Long Distance High1.2415
Triple Number Windward/Leeward Low0.6653
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0482
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8527
Triple Number Coastal/Long Distance Medium1.1065
Triple Number Coastal/Long Distance High1.2415
Triple Number Windward/Leeward Low0.6653
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0482
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Predominantly Upwind587.11.0219
Predominantly Downwind557.51.0763
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low703.60.8527
Triple Number Coastal/Long Distance Medium542.31.1065
Triple Number Coastal/Long Distance High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance996.3760.6635.5561.1521.2492.1449.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low703.60.8527
Triple Number All Purpose Medium542.31.1065
Triple Number All Purpose High483.31.2415
Triple Number Windward/Leeward Low901.80.6653
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High572.41.0482
Predominantly Upwind587.11.0219
Predominantly Downwind557.51.0763
Predominantly Upwind Low776.10.7731
Predominantly Upwind Medium604.20.9931
Predominantly Upwind High556.51.0781
Predominantly Downwind Low772.40.7768
Predominantly Downwind Medium554.41.0822
Predominantly Downwind High463.21.2954
Chicago-Mac Upwind1.0034
Chicago-Mac All Purpose1.0267
Chicago-Mac Downwind1.0565
Bayview-Mac Cove Island0.9552
Bayview-Mac Shore0.9662
Harvest Moon Regatta476.51.2592
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy563.21.0654
San Francisco Bay Medium659.20.9102
Predominantly Reaching520.31.1532
Predominantly Reaching Low639.90.9376
Predominantly Reaching Medium515.51.1638
Predominantly Reaching High455.51.3173
Windward/Leeward 60-40 Low905.00.6630
Windward/Leeward 60-40 Medium685.70.8750
Windward/Leeward 60-40 High603.00.9951
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low982.10.6109
5-Band Low / Medium825.60.7267
5-Band Medium654.60.9166
5-Band Medium / High582.01.0310
5-Band High552.11.0867

Club
Certificate
2023

Boat

Isbjørn

NOR 15046

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassS&S Swan 48MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA14.606Max. Beam4.152Draft2.366Displacement16,066Wetted area42.15IMS L11.475LSM011.431Acc. length13.494Sink (kg/mm) 28.09
VCGD-0.250VCGM-0.273RM Rated (kg·m) 316.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.450PBWPIPA0.0079
PSD0.040PHD0.090PHL0.162
PSA18.0°ESL0.890
ST10.057ST20.138ST30.187
ST40.071ST50.160
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders2Rotating mastNo
P17.340IG18.730ISP18.740MDT10.150MDL10.290MDT20.000MDL20.000TLTaperMW0.000GO0.000
E5.360J6.110BAS1.590FSDFoilSFJ0.120SPL6.253WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.250Flotation Date01/01/2015MeasurerComment
SFFP0.968FFMFF1.060LCFcl7.404SG0.0000
SAFP13.637FAMFA1.540LCFsh7.674HBI1.096
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2023

Boat

Isbjørn

NOR 15046

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment400-2023061212160.171.061.873.294.3553.3009/06/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment400-2023061212180.090.991.964.006.178.4017.93NoNo 73.5209/06/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment400-20230612122217.6317.6317.639.949.95146.0609/06/2023