International
Certificate
2023

Boat

IMPETUOUS

USA 4206

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.0°38.2°37.0°37.0°36.9°37.0°
Beat VMG4.195.065.555.765.885.955.99
52°6.337.387.868.068.188.258.32
60°6.647.618.068.288.418.508.61
75°6.947.818.218.538.768.919.10
90°7.158.038.478.748.979.229.64
110°6.947.958.519.019.469.8810.59
120°6.587.828.479.019.499.9711.19
135°5.947.338.158.769.3810.0811.87
150°5.016.317.388.118.599.0710.48
Run VMG4.345.466.397.047.447.859.07
Gybe Angles143.0°146.0°149.6°151.4°150.2°147.7°143.9°

APH: 479.0

CDL: 11.614

GPH: 533.1

CertNo: US7264

BOAT
ClassSWAN 42DesignerFRERSBuilderSWANAge date05/2007Series date06/2006Offset fileSWAN42CLUB-USA4206A.offData fileUSA4206
HULL
Length Overall12.960 mMaximum Beam3.910 mDraft2.730 mDisplacement7,355 kgDLR4.9642IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight960 kgMinimum weight720 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail59.5760.75Headsail Luffed48.1448.14Headsail FlyingSymmetricAsymmetric185.28185.28 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail17.47Storm Jib16.46Heavy Weather Jib44.42
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment216.6 kg·mStability Index135.8
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  03330002OI6Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

IMPETUOUS

USA 4206

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG859.3711.1648.7624.6612.1604.7600.8
52°568.9487.5457.8446.6440.3436.4432.5
60°542.4473.2446.7434.7428.1423.5418.3
75°518.4461.1438.4422.2411.1404.2395.5
90°503.3448.3425.3411.9401.3390.3373.6
110°519.0453.1422.9399.7380.5364.4340.0
120°547.0460.4424.9399.3379.3361.1321.8
135°606.5490.8441.5411.1383.8357.1303.4
150°719.1570.9487.6443.7419.1397.1343.6
Run VMG830.3659.2563.0511.0483.9458.5396.8
Selected Courses
Windward / Leeward844.8685.2605.8567.8548.0531.6498.8
All purpose648.6541.2491.9466.3450.1436.3411.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward590.01.0170
All purpose479.01.2526
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9010
Downwind "popa"1.0762
70% up, 30% down "Ilhabela"0.9473
30% up, 70% down "Ilhabela-inverso"1.0169
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Predominantly Upwind517.21.1600
Predominantly Downwind483.41.2411
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low594.91.0086
Triple Number All Purpose Medium477.01.2578
Triple Number All Purpose High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Predominantly Upwind517.21.1600
Predominantly Downwind483.41.2411
Predominantly Upwind Low660.70.9082
Predominantly Upwind Medium536.11.1191
Predominantly Upwind High507.81.1815
Predominantly Downwind Low649.90.9233
Predominantly Downwind Medium482.01.2448
Predominantly Downwind High407.31.4731
Chicago-Mac Upwind1.1414
Chicago-Mac All Purpose1.1784
Chicago-Mac Downwind1.2213
Bayview-Mac Cove Island1.1058
Bayview-Mac Shore1.1129
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching452.91.3249
Predominantly Reaching Low536.41.1185
Predominantly Reaching Medium449.11.3360
Predominantly Reaching High398.41.5059
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low832.50.7207
5-Band Low / Medium703.80.8525
5-Band Medium577.51.0389
5-Band Medium / High531.91.1281
5-Band High504.51.1894
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance520.3
Triple Number Coastal/Long Distance Low594.9
Triple Number Coastal/Long Distance Medium477.0
Triple Number Coastal/Long Distance High430.4
Triple Number Windward/Leeward Low765.0
Triple Number Windward/Leeward Medium585.3
Triple Number Windward/Leeward High523.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0086
Triple Number Coastal/Long Distance Medium1.2578
Triple Number Coastal/Long Distance High1.3942
Triple Number Windward/Leeward Low0.7843
Triple Number Windward/Leeward Medium1.0251
Triple Number Windward/Leeward High1.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low594.9
Triple Number Coastal/Long Distance Medium477.0
Triple Number Coastal/Long Distance High430.4
Triple Number Windward/Leeward Low765.0
Triple Number Windward/Leeward Medium585.3
Triple Number Windward/Leeward High523.4
Predominantly Upwind517.2
Predominantly Downwind483.4
Predominantly Reaching462.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0086
Triple Number Coastal/Long Distance Medium1.2578
Triple Number Coastal/Long Distance High1.3942
Triple Number Windward/Leeward Low0.7843
Triple Number Windward/Leeward Medium1.0251
Triple Number Windward/Leeward High1.1463
Coastal/Long Distance1.1531
Predominantly Upwind1.1600
Predominantly Downwind1.2411
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0086
Tretall Distanseseilas Mellomvind1.2578
Tretall Distanseseilas Mye vind1.3942
Tretall Pølsebane Lite vind0.7843
Tretall Pølsebane Mellomvind1.0251
Tretall Pølsebane Mye vind1.1463
Distanseseilas ett tall (OSN 8-16kn)1.1531
Distanseseilas ett tall (APH 6-20kn)1.2526
Enkeltall Motvind1.1600
Enkeltall Medvind1.2411
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Coastal/Long Distance520.31.1531
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind517.21.1600
Predominantly Downwind483.41.2411
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore508.61.1796
Cape Doctor Coastal418.81.4328
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0086
Triple Number Coastal/Long Distance Medium1.2578
Triple Number Coastal/Long Distance High1.3942
Triple Number Windward/Leeward Low0.7843
Triple Number Windward/Leeward Medium1.0251
Triple Number Windward/Leeward High1.1463
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0086
Triple Number Coastal/Long Distance Medium1.2578
Triple Number Coastal/Long Distance High1.3942
Triple Number Windward/Leeward Low0.7843
Triple Number Windward/Leeward Medium1.0251
Triple Number Windward/Leeward High1.1463
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Predominantly Upwind517.21.1600
Predominantly Downwind483.41.2411
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.31.1531
Triple Number Coastal/Long Distance Low594.91.0086
Triple Number Coastal/Long Distance Medium477.01.2578
Triple Number Coastal/Long Distance High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.4645.8549.7496.9467.8441.8393.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low594.91.0086
Triple Number All Purpose Medium477.01.2578
Triple Number All Purpose High430.41.3942
Triple Number Windward/Leeward Low765.00.7843
Triple Number Windward/Leeward Medium585.31.0251
Triple Number Windward/Leeward High523.41.1463
Predominantly Upwind517.21.1600
Predominantly Downwind483.41.2411
Predominantly Upwind Low660.70.9082
Predominantly Upwind Medium536.11.1191
Predominantly Upwind High507.81.1815
Predominantly Downwind Low649.90.9233
Predominantly Downwind Medium482.01.2448
Predominantly Downwind High407.31.4731
Chicago-Mac Upwind1.1414
Chicago-Mac All Purpose1.1784
Chicago-Mac Downwind1.2213
Bayview-Mac Cove Island1.1058
Bayview-Mac Shore1.1129
Harvest Moon Regatta417.41.4376
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy506.61.1843
San Francisco Bay Medium574.41.0445
Predominantly Reaching452.91.3249
Predominantly Reaching Low536.41.1185
Predominantly Reaching Medium449.11.3360
Predominantly Reaching High398.41.5059
Windward/Leeward 60-40 Low769.00.7802
Windward/Leeward 60-40 Medium602.80.9954
Windward/Leeward 60-40 High551.21.0885
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low832.50.7207
5-Band Low / Medium703.80.8525
5-Band Medium577.51.0389
5-Band Medium / High531.91.1281
5-Band High504.51.1894
ORC Ref  03330002OI6Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

IMPETUOUS

USA 4206

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSWAN 42Measurement07/06/2023HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA12.960Max. Beam3.910Draft2.730Displacement7,355Wetted area32.73IMS L11.796LSM011.399Acc. length12.707Sink (kg/mm) 24.16
VCGD-0.336VCGM-0.334RM Rated (kg·m) 216.6Limit of positive stability(°) 133.8Stability Index135.8
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBW0.109PIPA0.0040
EDL1.920ST10.070ST20.180
ST30.180ST40.110ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P17.238IG17.994ISP19.441MDT10.134MDL10.261MDT20.105MDL20.189TL0.860MW0.261GO0.301
E5.790J5.010BAS1.943FSD0.034SFJ0.347SPL0.000WPLTPS7.290BD0.216MWT231.00MCG6.220
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date07/06/2023MeasurerComment
SFFP0.474FFM1.479FF1.483LCFcl7.177SG1.0230
SAFP12.543FAM1.119FA1.119LCFsh7.429HBI1.258
W1107.2W2107.2W3107.2W4107.2
PD1472.5PD2472.5PD3472.5PD4472.5
WD12.080PLM9000.00GSA1.0RSA1.0RM215.8
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FUEL Rigid Poly STBD tank, TCG=0.950Fuel140355.70-0.10Total deductible295.70-0.10
Total deductible
ORC Ref  03330002OI6Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

IMPETUOUS

USA 4206

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn-230.161.362.293.694.8059.5706/05/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.090.751.442.673.855.2518.15NoNo 48.1419/05/2021J1
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA221.9317.6619.8011.3210.88104%185.2801/06/2022A2A1.521.1618.1519.6611.1911.5697%184.4901/07/2021257189121.8517.4819.6711.3210.89104%184.10A2A320.8118.2719.549.6910.9089%161.7307/08/2020A3266CZ20.0818.3719.236.969.2475%118.8118/05/2021CODE ZERO
ORC Ref  03330002OI6Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org