Club
Certificate
Non Spinnaker
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°5.476.407.037.377.567.667.77
60°5.746.657.237.567.757.857.98
75°5.906.817.387.717.938.088.28
90°5.796.737.367.747.998.188.47
110°5.176.197.037.587.938.208.63
120°4.855.946.827.457.848.138.62
135°4.285.396.287.027.547.898.42
150°3.614.695.606.377.047.538.14
Run VMG3.134.064.885.626.306.927.77
Gybe Angles145.1°150.2°155.9°164.0°170.0°174.8°179.0°

APH: 566.0

CDL: 10.261

GPH: 639.0

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 Allowance0.530%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail16.27Storm Jib17.55Heavy Weather Jib47.36
SAIL LIMITS
Headsails6  Spinnakers0 * Spinnaker pole aboard
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.
ORC Ref  03440002ONCIssued on 19/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG1001.0833.4745.5702.0678.8664.6649.1
52°658.1562.5512.4488.2476.4470.0463.1
60°627.0541.3497.7476.3464.8458.5450.9
75°609.7528.8487.8466.9454.2445.7434.7
90°621.8535.1489.0465.4450.8440.1424.9
110°696.9581.8511.9474.7453.9439.2416.9
120°742.4605.6527.6483.3459.0442.7417.5
135°842.1667.5573.5512.9477.3456.1427.4
150°996.8767.4642.7564.9511.5478.2442.4
Run VMG1151.0885.8737.0640.7571.5520.6463.6
Selected Courses
Windward / Leeward1076.0859.6741.2671.4625.2592.6556.3
All purpose820.7671.4590.2544.0515.7497.0474.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward701.50.8553
All purpose566.01.0601
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7963
Downwind "popa"0.8450
70% up, 30% down "Ilhabela"0.8103
30% up, 70% down "Ilhabela-inverso"0.8298
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Predominantly Upwind598.31.0028
Predominantly Downwind594.41.0094
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low746.00.8043
Triple Number All Purpose Medium563.01.0658
Triple Number All Purpose High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Predominantly Upwind598.31.0028
Predominantly Downwind594.41.0094
Predominantly Upwind Low798.70.7512
Predominantly Upwind Medium607.10.9882
Predominantly Upwind High558.31.0748
Predominantly Downwind Low855.30.7015
Predominantly Downwind Medium600.80.9986
Predominantly Downwind High485.11.2370
Chicago-Mac Upwind0.9842
Chicago-Mac All Purpose0.9846
Chicago-Mac Downwind0.9877
Bayview-Mac Cove Island0.9160
Bayview-Mac Shore0.9358
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching538.01.1152
Predominantly Reaching Low679.00.8837
Predominantly Reaching Medium536.81.1178
Predominantly Reaching High465.61.2885
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1059.30.5664
5-Band Low / Medium880.60.6814
5-Band Medium684.30.8768
5-Band Medium / High598.61.0023
5-Band High562.61.0665
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance619.2
Triple Number Coastal/Long Distance Low746.0
Triple Number Coastal/Long Distance Medium563.0
Triple Number Coastal/Long Distance High493.4
Triple Number Windward/Leeward Low967.7
Triple Number Windward/Leeward Medium698.8
Triple Number Windward/Leeward High587.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8043
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.2161
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High1.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low746.0
Triple Number Coastal/Long Distance Medium563.0
Triple Number Coastal/Long Distance High493.4
Triple Number Windward/Leeward Low967.7
Triple Number Windward/Leeward Medium698.8
Triple Number Windward/Leeward High587.1
Predominantly Upwind598.3
Predominantly Downwind594.4
Predominantly Reaching559.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8043
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.2161
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High1.0219
Coastal/Long Distance0.9689
Predominantly Upwind1.0028
Predominantly Downwind1.0094
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8043
Tretall Distanseseilas Mellomvind1.0658
Tretall Distanseseilas Mye vind1.2161
Tretall Pølsebane Lite vind0.6200
Tretall Pølsebane Mellomvind0.8586
Tretall Pølsebane Mye vind1.0219
Distanseseilas ett tall (OSN 8-16kn)0.9689
Distanseseilas ett tall (APH 6-20kn)1.0601
Enkeltall Motvind1.0028
Enkeltall Medvind1.0094
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Coastal/Long Distance619.20.9689
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind598.31.0028
Predominantly Downwind594.41.0094
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore567.21.0578
Cape Doctor Coastal481.51.2461
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8043
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.2161
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High1.0219
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8043
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.2161
Triple Number Windward/Leeward Low0.6200
Triple Number Windward/Leeward Medium0.8586
Triple Number Windward/Leeward High1.0219
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Predominantly Upwind598.31.0028
Predominantly Downwind594.41.0094
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance619.20.9689
Triple Number Coastal/Long Distance Low746.00.8043
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1083.5810.1667.1581.9535.9503.0457.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low746.00.8043
Triple Number All Purpose Medium563.01.0658
Triple Number All Purpose High493.41.2161
Triple Number Windward/Leeward Low967.70.6200
Triple Number Windward/Leeward Medium698.80.8586
Triple Number Windward/Leeward High587.11.0219
Predominantly Upwind598.31.0028
Predominantly Downwind594.41.0094
Predominantly Upwind Low798.70.7512
Predominantly Upwind Medium607.10.9882
Predominantly Upwind High558.31.0748
Predominantly Downwind Low855.30.7015
Predominantly Downwind Medium600.80.9986
Predominantly Downwind High485.11.2370
Chicago-Mac Upwind0.9842
Chicago-Mac All Purpose0.9846
Chicago-Mac Downwind0.9877
Bayview-Mac Cove Island0.9160
Bayview-Mac Shore0.9358
Harvest Moon Regatta492.21.2189
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy577.21.0396
San Francisco Bay Medium689.50.8702
Predominantly Reaching538.01.1152
Predominantly Reaching Low679.00.8837
Predominantly Reaching Medium536.81.1178
Predominantly Reaching High465.61.2885
Windward/Leeward 60-40 Low957.70.6265
Windward/Leeward 60-40 Medium706.60.8491
Windward/Leeward 60-40 High612.70.9793
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1059.30.5664
5-Band Low / Medium880.60.6814
5-Band Medium684.30.8768
5-Band Medium / High598.61.0023
5-Band High562.61.0665
ORC Ref  03440002ONCIssued on 19/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L11.473LSM011.431Acc. 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
ORC Ref  03440002ONCIssued on 19/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  03440002ONCIssued on 19/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org