Club
Certificate
2023

Boat

MISCHIEF

USA 52660

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 Angles44.4°42.6°41.2°40.6°40.3°40.0°40.0°
Beat VMG4.305.285.846.126.296.406.48
52°6.668.008.719.039.229.339.45
60°7.108.429.099.399.579.689.81
75°7.448.719.399.7710.0210.2010.43
90°7.308.619.389.8710.2710.6211.09
110°7.098.649.5410.0110.3610.6911.31
120°6.908.529.5110.1510.7011.1211.95
135°6.187.829.049.8110.4811.2112.96
150°5.176.617.898.949.6510.2011.53
Run VMG4.485.736.847.758.378.849.99
Gybe Angles141.5°144.2°146.0°150.5°151.2°149.5°145.7°

APH: 438.7

CDL: 14.639

GPH: 493.3

CertNo: US5266

BOAT
ClassIY 60DesignerSimonis VoogtBuilderIndigo YachtingAge date07/2004Series date01/2004Offset fileIY60_JT.OFFData fileUSA52660
HULL
Length Overall18.272 mMaximum Beam4.710 mDraft2.617 mDisplacement16,822 kgDLR3.9265IMS DivisionCruiser/RacerDynamic Allowance0.160%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.609m
CREW
Maximum weight500 kgMinimum weight375 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail97.5999.48Headsail Luffed76.2676.26Headsail FlyingSymmetricAsymmetric265.83265.83 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail28.85Storm Jib25.32Heavy Weather Jib68.35
SAIL LIMITS
Headsails7  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.
ORC Ref  03330002RV1Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MISCHIEF

USA 52660

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 VMG838.0682.5616.7587.9572.1562.5555.6
52°540.5450.1413.5398.7390.7385.8380.9
60°507.0427.8396.0383.2376.2371.8366.8
75°483.9413.3383.3368.3359.3353.0345.1
90°493.3418.1383.7364.8350.5339.1324.7
110°507.5416.8377.5359.8347.5336.7318.3
120°521.7422.7378.5354.7336.4323.7301.4
135°582.4460.2398.4367.1343.4321.1277.7
150°696.1544.3456.1402.6373.1352.8312.2
Run VMG803.7628.6526.7464.6430.1407.4360.5
Selected Courses
Windward / Leeward820.9655.5571.7526.3501.1484.9458.1
All purpose626.2508.6452.3423.3405.8393.2372.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward550.41.0901
All purpose438.71.3676
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9512
Downwind "popa"1.1597
70% up, 30% down "Ilhabela"1.0055
30% up, 70% down "Ilhabela-inverso"1.0882
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Predominantly Upwind476.61.2588
Predominantly Downwind442.91.3546
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low567.41.0575
Triple Number All Purpose Medium435.71.3771
Triple Number All Purpose High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Predominantly Upwind476.61.2588
Predominantly Downwind442.91.3546
Predominantly Upwind Low633.60.9470
Predominantly Upwind Medium495.31.2113
Predominantly Upwind High461.61.2998
Predominantly Downwind Low622.40.9640
Predominantly Downwind Medium439.01.3666
Predominantly Downwind High364.71.6454
Chicago-Mac Upwind1.2348
Chicago-Mac All Purpose1.2786
Chicago-Mac Downwind1.3293
Bayview-Mac Cove Island1.1887
Bayview-Mac Shore1.2003
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching411.61.4578
Predominantly Reaching Low509.91.1767
Predominantly Reaching Medium407.11.4739
Predominantly Reaching High354.11.6944
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low808.10.7424
5-Band Low / Medium673.90.8903
5-Band Medium536.91.1175
5-Band Medium / High486.61.2331
5-Band High462.71.2967
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance479.6
Triple Number Coastal/Long Distance Low567.4
Triple Number Coastal/Long Distance Medium435.7
Triple Number Coastal/Long Distance High388.8
Triple Number Windward/Leeward Low738.2
Triple Number Windward/Leeward Medium545.9
Triple Number Windward/Leeward High478.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0575
Triple Number Coastal/Long Distance Medium1.3771
Triple Number Coastal/Long Distance High1.5434
Triple Number Windward/Leeward Low0.8128
Triple Number Windward/Leeward Medium1.0991
Triple Number Windward/Leeward High1.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low567.4
Triple Number Coastal/Long Distance Medium435.7
Triple Number Coastal/Long Distance High388.8
Triple Number Windward/Leeward Low738.2
Triple Number Windward/Leeward Medium545.9
Triple Number Windward/Leeward High478.9
Predominantly Upwind476.6
Predominantly Downwind442.9
Predominantly Reaching422.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0575
Triple Number Coastal/Long Distance Medium1.3771
Triple Number Coastal/Long Distance High1.5434
Triple Number Windward/Leeward Low0.8128
Triple Number Windward/Leeward Medium1.0991
Triple Number Windward/Leeward High1.2529
Coastal/Long Distance1.2511
Predominantly Upwind1.2588
Predominantly Downwind1.3546
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0575
Tretall Distanseseilas Mellomvind1.3771
Tretall Distanseseilas Mye vind1.5434
Tretall Pølsebane Lite vind0.8128
Tretall Pølsebane Mellomvind1.0991
Tretall Pølsebane Mye vind1.2529
Distanseseilas ett tall (OSN 8-16kn)1.2511
Distanseseilas ett tall (APH 6-20kn)1.3676
Enkeltall Motvind1.2588
Enkeltall Medvind1.3546
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Coastal/Long Distance479.61.2511
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind476.61.2588
Predominantly Downwind442.91.3546
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore466.11.2872
Cape Doctor Coastal379.01.5830
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0575
Triple Number Coastal/Long Distance Medium1.3771
Triple Number Coastal/Long Distance High1.5434
Triple Number Windward/Leeward Low0.8128
Triple Number Windward/Leeward Medium1.0991
Triple Number Windward/Leeward High1.2529
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0575
Triple Number Coastal/Long Distance Medium1.3771
Triple Number Coastal/Long Distance High1.5434
Triple Number Windward/Leeward Low0.8128
Triple Number Windward/Leeward Medium1.0991
Triple Number Windward/Leeward High1.2529
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Predominantly Upwind476.61.2588
Predominantly Downwind442.91.3546
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance479.61.2511
Triple Number Coastal/Long Distance Low567.41.0575
Triple Number Coastal/Long Distance Medium435.71.3771
Triple Number Coastal/Long Distance High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance819.2615.0512.5453.6421.3396.1354.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low567.41.0575
Triple Number All Purpose Medium435.71.3771
Triple Number All Purpose High388.81.5434
Triple Number Windward/Leeward Low738.20.8128
Triple Number Windward/Leeward Medium545.91.0991
Triple Number Windward/Leeward High478.91.2529
Predominantly Upwind476.61.2588
Predominantly Downwind442.91.3546
Predominantly Upwind Low633.60.9470
Predominantly Upwind Medium495.31.2113
Predominantly Upwind High461.61.2998
Predominantly Downwind Low622.40.9640
Predominantly Downwind Medium439.01.3666
Predominantly Downwind High364.71.6454
Chicago-Mac Upwind1.2348
Chicago-Mac All Purpose1.2786
Chicago-Mac Downwind1.3293
Bayview-Mac Cove Island1.1887
Bayview-Mac Shore1.2003
Harvest Moon Regatta373.71.6055
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy464.61.2915
San Francisco Bay Medium537.21.1170
Predominantly Reaching411.61.4578
Predominantly Reaching Low509.91.1767
Predominantly Reaching Medium407.11.4739
Predominantly Reaching High354.11.6944
Windward/Leeward 60-40 Low742.60.8080
Windward/Leeward 60-40 Medium564.81.0623
Windward/Leeward 60-40 High507.31.1828
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low808.10.7424
5-Band Low / Medium673.90.8903
5-Band Medium536.91.1175
5-Band Medium / High486.61.2331
5-Band High462.71.2967
ORC Ref  03330002RV1Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MISCHIEF

USA 52660

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIY 60MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA18.272Max. Beam4.710Draft2.617Displacement16,822Wetted area57.55IMS L16.375LSM016.240Acc. length15.307Sink (kg/mm) 44.07
VCGD-0.107VCGM-0.134RM Rated (kg·m) 616.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.609PBWPIPA0.0049
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesRunners/CheckstaysSpreaders3Rotating mastNo
P21.980IG22.500ISP24.330MDT10.190MDL10.320MDT20.180MDL20.260TL4.120MWGO
E7.500J6.580BAS2.150FSDSFJ0.690SPLWPLTPS7.100BDMWT533.00MCG8.700
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.107Flotation Date01/07/2022MeasurerComment
SFFP1.050FFMFF1.650LCFcl9.954SG
SAFP17.700FAMFA1.277LCFsh10.209HBI1.443
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03330002RV1Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MISCHIEF

USA 52660

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.081.552.824.886.2297.5901/07/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentAP Jib0.090.991.893.635.326.8921.37NoNo 76.2601/07/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentAP24.6322.6523.6413.5913.11104%265.8301/07/2022
ORC Ref  03330002RV1Issued on 30/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org