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°37.2°37.0°37.0°37.2°
Beat VMG4.195.065.545.755.865.935.97
52°6.337.387.868.058.168.238.31
60°6.647.618.058.278.408.498.59
75°6.957.808.218.528.758.899.09
90°7.158.038.468.738.969.229.62
110°6.947.958.519.019.469.8710.57
120°6.597.828.479.019.489.9711.19
135°5.947.348.168.769.3910.0911.87
150°5.016.317.398.128.609.0810.50
Run VMG4.345.476.407.057.457.869.10
Gybe Angles143.3°146.0°149.6°151.6°150.2°147.5°144.0°

APH: 479.4

CDL: 11.571

GPH: 533.4

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 weight900 kgMinimum weight675 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 Index136.1
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  04560002NUDIssued on 07/06/2023Valid until 19/02/2024
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 VMG858.6711.4650.3626.5614.2606.9603.4
52°568.7487.6458.3447.2441.1437.2433.4
60°542.2473.1447.0435.2428.7424.2419.2
75°518.3461.6438.4422.3411.6404.7396.2
90°503.2448.4425.6412.4401.8390.4374.1
110°518.7453.0422.8399.7380.6364.7340.5
120°546.6460.3424.9399.4379.9360.9321.8
135°606.1490.4441.2410.8383.5356.8303.4
150°718.5570.5487.2443.4418.7396.5342.8
Run VMG829.6658.7562.6510.6483.4457.8395.8
Selected Courses
Windward / Leeward844.1685.1606.4568.6548.8532.3499.6
All purpose648.1541.2492.2466.8450.6436.8411.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward590.61.0160
All purpose479.41.2516
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8991
Downwind "popa"1.0773
70% up, 30% down "Ilhabela"0.9460
30% up, 70% down "Ilhabela-inverso"1.0168
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Predominantly Upwind517.81.1586
Predominantly Downwind483.41.2413
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low594.61.0090
Triple Number All Purpose Medium477.41.2568
Triple Number All Purpose High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Predominantly Upwind517.81.1586
Predominantly Downwind483.41.2413
Predominantly Upwind Low660.50.9085
Predominantly Upwind Medium537.21.1169
Predominantly Upwind High509.21.1783
Predominantly Downwind Low649.50.9239
Predominantly Downwind Medium481.81.2453
Predominantly Downwind High407.01.4741
Chicago-Mac Upwind1.1399
Chicago-Mac All Purpose1.1777
Chicago-Mac Downwind1.2215
Bayview-Mac Cove Island1.1056
Bayview-Mac Shore1.1125
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching453.11.3243
Predominantly Reaching Low536.21.1189
Predominantly Reaching Medium449.31.3354
Predominantly Reaching High398.71.5049
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low831.90.7213
5-Band Low / Medium703.80.8525
5-Band Medium578.21.0376
5-Band Medium / High532.61.1265
5-Band High505.31.1875
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance520.7
Triple Number Coastal/Long Distance Low594.6
Triple Number Coastal/Long Distance Medium477.4
Triple Number Coastal/Long Distance High430.9
Triple Number Windward/Leeward Low764.6
Triple Number Windward/Leeward Medium585.9
Triple Number Windward/Leeward High524.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0090
Triple Number Coastal/Long Distance Medium1.2568
Triple Number Coastal/Long Distance High1.3924
Triple Number Windward/Leeward Low0.7847
Triple Number Windward/Leeward Medium1.0240
Triple Number Windward/Leeward High1.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low594.6
Triple Number Coastal/Long Distance Medium477.4
Triple Number Coastal/Long Distance High430.9
Triple Number Windward/Leeward Low764.6
Triple Number Windward/Leeward Medium585.9
Triple Number Windward/Leeward High524.2
Predominantly Upwind517.8
Predominantly Downwind483.4
Predominantly Reaching463.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0090
Triple Number Coastal/Long Distance Medium1.2568
Triple Number Coastal/Long Distance High1.3924
Triple Number Windward/Leeward Low0.7847
Triple Number Windward/Leeward Medium1.0240
Triple Number Windward/Leeward High1.1446
Coastal/Long Distance1.1522
Predominantly Upwind1.1586
Predominantly Downwind1.2413
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0090
Tretall Distanseseilas Mellomvind1.2568
Tretall Distanseseilas Mye vind1.3924
Tretall Pølsebane Lite vind0.7847
Tretall Pølsebane Mellomvind1.0240
Tretall Pølsebane Mye vind1.1446
Distanseseilas ett tall (OSN 8-16kn)1.1522
Distanseseilas ett tall (APH 6-20kn)1.2516
Enkeltall Motvind1.1586
Enkeltall Medvind1.2413
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Coastal/Long Distance520.71.1522
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind517.81.1586
Predominantly Downwind483.41.2413
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore509.41.1778
Cape Doctor Coastal419.41.4307
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0090
Triple Number Coastal/Long Distance Medium1.2568
Triple Number Coastal/Long Distance High1.3924
Triple Number Windward/Leeward Low0.7847
Triple Number Windward/Leeward Medium1.0240
Triple Number Windward/Leeward High1.1446
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0090
Triple Number Coastal/Long Distance Medium1.2568
Triple Number Coastal/Long Distance High1.3924
Triple Number Windward/Leeward Low0.7847
Triple Number Windward/Leeward Medium1.0240
Triple Number Windward/Leeward High1.1446
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Predominantly Upwind517.81.1586
Predominantly Downwind483.41.2413
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance520.71.1522
Triple Number Coastal/Long Distance Low594.61.0090
Triple Number Coastal/Long Distance Medium477.41.2568
Triple Number Coastal/Long Distance High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance842.7645.7550.2497.5468.5442.2394.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low594.61.0090
Triple Number All Purpose Medium477.41.2568
Triple Number All Purpose High430.91.3924
Triple Number Windward/Leeward Low764.60.7847
Triple Number Windward/Leeward Medium585.91.0240
Triple Number Windward/Leeward High524.21.1446
Predominantly Upwind517.81.1586
Predominantly Downwind483.41.2413
Predominantly Upwind Low660.50.9085
Predominantly Upwind Medium537.21.1169
Predominantly Upwind High509.21.1783
Predominantly Downwind Low649.50.9239
Predominantly Downwind Medium481.81.2453
Predominantly Downwind High407.01.4741
Chicago-Mac Upwind1.1399
Chicago-Mac All Purpose1.1777
Chicago-Mac Downwind1.2215
Bayview-Mac Cove Island1.1056
Bayview-Mac Shore1.1125
Harvest Moon Regatta417.51.4372
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy507.51.1823
San Francisco Bay Medium575.01.0435
Predominantly Reaching453.11.3243
Predominantly Reaching Low536.21.1189
Predominantly Reaching Medium449.31.3354
Predominantly Reaching High398.71.5049
Windward/Leeward 60-40 Low768.70.7806
Windward/Leeward 60-40 Medium603.80.9937
Windward/Leeward 60-40 High552.51.0860
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low831.90.7213
5-Band Low / Medium703.80.8525
5-Band Medium578.21.0376
5-Band Medium / High532.61.1265
5-Band High505.31.1875
ORC Ref  04560002NUDIssued on 07/06/2023Valid until 19/02/2024
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 L11.780LSM011.399Acc. length12.707Sink (kg/mm) 24.16
VCGD-0.336VCGM-0.334RM Rated (kg·m) 216.6Limit of positive stability(°) 134.2Stability Index136.1
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  04560002NUDIssued on 07/06/2023Valid until 19/02/2024
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  04560002NUDIssued on 07/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org