Club
Certificate
2023

Boat

DOS MAS

USA 49

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 Angles44.2°42.4°40.6°39.0°38.2°37.6°37.6°
Beat VMG3.494.284.865.235.415.525.61
52°5.396.437.077.427.607.697.79
60°5.726.717.287.597.777.888.00
75°5.946.897.427.737.968.138.35
90°5.816.837.487.828.038.238.61
110°5.746.947.607.998.318.609.07
120°5.576.777.517.948.318.659.35
135°4.996.227.137.688.068.439.19
150°4.205.356.347.137.638.008.70
Run VMG3.644.645.496.236.867.408.13
Gybe Angles143.3°146.9°150.5°155.5°165.8°176.3°179.0°

APH: 540.3

CDL: 10.116

GPH: 608.3

CertNo: US4255

BOAT
ClassJ 42DesignerJOHNSTONEBuilderTPIAge date05/2001Series date06/1996Offset fileJ42.offData fileUSA 42552
HULL
Length Overall12.710 mMaximum Beam3.718 mDraft2.010 mDisplacement8,292 kgDLR6.9185IMS DivisionCruiser/RacerDynamic Allowance0.260%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 3 bladesDiameter0.509m
CREW
Maximum weight681 kgMinimum weight511 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail45.3946.38Headsail Luffed43.4743.47Headsail FlyingSymmetric101.52101.52Asymmetric104.72104.72 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.64Storm Jib12.45Heavy Weather Jib33.61
SAIL LIMITS
Headsails1  Spinnakers5 * Asymmetric may be tacked on the pole
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  04560002LV9Issued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

DOS MAS

USA 49

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 VMG1031.0841.4740.9688.6665.6652.7641.2
52°667.4560.1508.8485.5474.0468.2462.2
60°629.6536.6494.8474.6463.2456.8450.0
75°606.2522.3485.1465.6452.5442.8431.2
90°619.6526.9481.5460.1448.1437.2418.0
110°626.6518.8473.7450.5433.1418.4396.8
120°646.8531.4479.5453.2433.4416.1385.0
135°722.0579.1505.0469.0446.4427.2391.8
150°857.4672.6568.1505.2471.5449.8413.8
Run VMG990.0776.7655.7577.9525.0486.4442.6
Selected Courses
Windward / Leeward1010.5809.1698.3633.3595.3569.6541.9
All purpose774.2632.4559.5519.8497.0481.3460.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward664.20.9034
All purpose540.31.1104
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7983
Downwind "popa"0.9429
70% up, 30% down "Ilhabela"0.8368
30% up, 70% down "Ilhabela-inverso"0.8943
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Predominantly Upwind582.21.0306
Predominantly Downwind552.11.0867
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low703.30.8531
Triple Number All Purpose Medium536.71.1179
Triple Number All Purpose High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Predominantly Upwind582.21.0306
Predominantly Downwind552.11.0867
Predominantly Upwind Low783.40.7659
Predominantly Upwind Medium598.21.0029
Predominantly Upwind High550.01.0909
Predominantly Downwind Low770.70.7785
Predominantly Downwind Medium548.51.0939
Predominantly Downwind High458.31.3091
Chicago-Mac Upwind1.0111
Chicago-Mac All Purpose1.0352
Chicago-Mac Downwind1.0669
Bayview-Mac Cove Island0.9586
Bayview-Mac Shore0.9690
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching514.81.1656
Predominantly Reaching Low636.10.9432
Predominantly Reaching Medium509.61.1775
Predominantly Reaching High450.61.3314
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low995.00.6030
5-Band Low / Medium828.50.7242
5-Band Medium647.10.9272
5-Band Medium / High574.61.0441
5-Band High546.71.0975
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance589.0
Triple Number Coastal/Long Distance Low703.3
Triple Number Coastal/Long Distance Medium536.7
Triple Number Coastal/Long Distance High477.3
Triple Number Windward/Leeward Low909.8
Triple Number Windward/Leeward Medium660.1
Triple Number Windward/Leeward High565.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.1179
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.9089
Triple Number Windward/Leeward High1.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low703.3
Triple Number Coastal/Long Distance Medium536.7
Triple Number Coastal/Long Distance High477.3
Triple Number Windward/Leeward Low909.8
Triple Number Windward/Leeward Medium660.1
Triple Number Windward/Leeward High565.6
Predominantly Upwind582.2
Predominantly Downwind552.1
Predominantly Reaching528.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.1179
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.9089
Triple Number Windward/Leeward High1.0608
Coastal/Long Distance1.0187
Predominantly Upwind1.0306
Predominantly Downwind1.0867
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8531
Tretall Distanseseilas Mellomvind1.1179
Tretall Distanseseilas Mye vind1.2571
Tretall Pølsebane Lite vind0.6595
Tretall Pølsebane Mellomvind0.9089
Tretall Pølsebane Mye vind1.0608
Distanseseilas ett tall (OSN 8-16kn)1.0187
Distanseseilas ett tall (APH 6-20kn)1.1104
Enkeltall Motvind1.0306
Enkeltall Medvind1.0867
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Coastal/Long Distance589.01.0187
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind582.21.0306
Predominantly Downwind552.11.0867
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore550.21.0905
Cape Doctor Coastal466.51.2863
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.1179
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.9089
Triple Number Windward/Leeward High1.0608
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8531
Triple Number Coastal/Long Distance Medium1.1179
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.6595
Triple Number Windward/Leeward Medium0.9089
Triple Number Windward/Leeward High1.0608
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Predominantly Upwind582.21.0306
Predominantly Downwind552.11.0867
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.01.0187
Triple Number Coastal/Long Distance Low703.30.8531
Triple Number Coastal/Long Distance Medium536.71.1179
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.4760.6630.0554.3515.7486.8442.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low703.30.8531
Triple Number All Purpose Medium536.71.1179
Triple Number All Purpose High477.31.2571
Triple Number Windward/Leeward Low909.80.6595
Triple Number Windward/Leeward Medium660.10.9089
Triple Number Windward/Leeward High565.61.0608
Predominantly Upwind582.21.0306
Predominantly Downwind552.11.0867
Predominantly Upwind Low783.40.7659
Predominantly Upwind Medium598.21.0029
Predominantly Upwind High550.01.0909
Predominantly Downwind Low770.70.7785
Predominantly Downwind Medium548.51.0939
Predominantly Downwind High458.31.3091
Chicago-Mac Upwind1.0111
Chicago-Mac All Purpose1.0352
Chicago-Mac Downwind1.0669
Bayview-Mac Cove Island0.9586
Bayview-Mac Shore0.9690
Harvest Moon Regatta471.91.2714
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy555.71.0797
San Francisco Bay Medium653.80.9177
Predominantly Reaching514.81.1656
Predominantly Reaching Low636.10.9432
Predominantly Reaching Medium509.61.1775
Predominantly Reaching High450.61.3314
Windward/Leeward 60-40 Low915.10.6557
Windward/Leeward 60-40 Medium678.20.8848
Windward/Leeward 60-40 High594.91.0086
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low995.00.6030
5-Band Low / Medium828.50.7242
5-Band Medium647.10.9272
5-Band Medium / High574.61.0441
5-Band High546.71.0975
ORC Ref  04560002LV9Issued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

DOS MAS

USA 49

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 42MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.710Max. Beam3.718Draft2.010Displacement8,292Wetted area32.07IMS L10.827LSM010.621Acc. length12.084Sink (kg/mm) 23.34
VCGD-0.245VCGM-0.245RM Rated (kg·m) 217.8Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.509PBW0.128PIPA0.0071
PSD0.025PHD0.431PHL0.153
PSA21.0°ESL0.921
ST10.019ST20.117ST30.117
ST40.053ST50.220
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P14.201IG15.698ISP16.061MDT10.123MDL10.224MDT2MDL2TLTaperMW0.187GO0.210
E5.487J4.512BAS1.659FSDFoilSFJ0.000SPL4.512WPLTPSBD0.163MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.241Flotation Date17/05/1998MeasurerComment
SFFP0.760FFMFF1.301LCFcl7.090SG1.0090
SAFP12.709FAMFA0.955LCFsh7.336HBI1.093
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002LV9Issued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

DOS MAS

USA 49

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentmain0.141.091.953.454.5545.3908/11/2022175034
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.080.721.392.824.386.0514.87NoNo 43.4708/11/2022175035
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS215.1915.1915.198.028.02101.5212/04/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA217.0914.1415.628.058.04100%104.7218/11/2018216221
ORC Ref  04560002LV9Issued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org