International
Certificate
2023

Boat

Pravda 2

USA 45

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°40.5°38.4°37.2°37.0°36.6°37.0°
Beat VMG3.814.665.155.355.455.515.54
52°5.786.837.317.497.597.657.71
60°6.087.067.507.697.807.887.96
75°6.467.297.667.958.138.268.40
90°6.687.537.908.148.358.608.91
110°6.467.478.018.488.889.209.79
120°6.167.367.988.508.939.4510.45
135°5.546.897.698.308.939.6511.34
150°4.685.936.977.668.118.6110.13
Run VMG4.055.136.036.647.037.468.78
Gybe Angles143.3°146.5°149.6°151.0°149.1°146.6°143.2°

APH: 512.9

CDL: 10.179

GPH: 571.9

CertNo: US4511

BOAT
ClassJ 111DesignerJohnstoneBuilderCCFCAge date01/2012Series date01/2010Offset fileJ111.offData fileUSA 45-111
HULL
Length Overall11.121 mMaximum Beam3.302 mDraft2.205 mDisplacement4,575 kgDLR4.3682IMS DivisionCruiser/RacerDynamic Allowance0.120%Age Allowance0.422%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.412m
CREW
Maximum weight750 kgMinimum weight563 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.3639.23Headsail Luffed33.3933.38Headsail FlyingSymmetricAsymmetric129.60129.60 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail10.67Storm Jib10.61Heavy Weather Jib28.65
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment101.5 kg·mStability Index114.3
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  03330002OI2Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Pravda 2

USA 45

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 VMG945.5772.7699.6673.5660.5652.9650.1
52°622.4526.8492.4480.7474.5470.6467.0
60°591.9510.2479.8467.9461.3457.1452.5
75°556.9493.7470.0452.8442.8436.1428.4
90°538.9478.1455.5442.3431.4418.5404.1
110°557.1482.2449.3424.3405.3391.5367.8
120°584.4489.1451.0423.7403.3380.9344.5
135°650.4522.6468.1433.9403.3372.9317.4
150°769.1607.5516.9470.1443.7418.0355.3
Run VMG888.0701.4596.8542.1512.4482.7410.2
Selected Courses
Windward / Leeward916.8737.1648.2607.8586.4567.8530.2
All purpose701.6580.8526.0498.7481.5466.5440.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward632.10.9492
All purpose512.91.1698
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8309
Downwind "popa"1.0160
70% up, 30% down "Ilhabela"0.8790
30% up, 70% down "Ilhabela-inverso"0.9524
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Predominantly Upwind556.21.0788
Predominantly Downwind514.71.1656
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low641.20.9357
Triple Number All Purpose Medium510.31.1757
Triple Number All Purpose High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Predominantly Upwind556.21.0788
Predominantly Downwind514.71.1656
Predominantly Upwind Low717.30.8365
Predominantly Upwind Medium577.41.0391
Predominantly Upwind High547.41.0960
Predominantly Downwind Low697.00.8608
Predominantly Downwind Medium511.81.1722
Predominantly Downwind High429.21.3978
Chicago-Mac Upwind1.0612
Chicago-Mac All Purpose1.1003
Chicago-Mac Downwind1.1466
Bayview-Mac Cove Island1.0290
Bayview-Mac Shore1.0342
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching483.91.2400
Predominantly Reaching Low576.11.0414
Predominantly Reaching Medium479.61.2510
Predominantly Reaching High424.81.4123
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low902.90.6645
5-Band Low / Medium758.40.7912
5-Band Medium618.30.9704
5-Band Medium / High567.91.0564
5-Band High536.71.1180
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance557.4
Triple Number Coastal/Long Distance Low641.2
Triple Number Coastal/Long Distance Medium510.3
Triple Number Coastal/Long Distance High460.3
Triple Number Windward/Leeward Low826.9
Triple Number Windward/Leeward Medium626.7
Triple Number Windward/Leeward High558.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9357
Triple Number Coastal/Long Distance Medium1.1757
Triple Number Coastal/Long Distance High1.3035
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9574
Triple Number Windward/Leeward High1.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low641.2
Triple Number Coastal/Long Distance Medium510.3
Triple Number Coastal/Long Distance High460.3
Triple Number Windward/Leeward Low826.9
Triple Number Windward/Leeward Medium626.7
Triple Number Windward/Leeward High558.3
Predominantly Upwind556.2
Predominantly Downwind514.7
Predominantly Reaching493.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9357
Triple Number Coastal/Long Distance Medium1.1757
Triple Number Coastal/Long Distance High1.3035
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9574
Triple Number Windward/Leeward High1.0746
Coastal/Long Distance1.0765
Predominantly Upwind1.0788
Predominantly Downwind1.1656
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9357
Tretall Distanseseilas Mellomvind1.1757
Tretall Distanseseilas Mye vind1.3035
Tretall Pølsebane Lite vind0.7256
Tretall Pølsebane Mellomvind0.9574
Tretall Pølsebane Mye vind1.0746
Distanseseilas ett tall (OSN 8-16kn)1.0765
Distanseseilas ett tall (APH 6-20kn)1.1698
Enkeltall Motvind1.0788
Enkeltall Medvind1.1656
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Coastal/Long Distance557.41.0765
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind556.21.0788
Predominantly Downwind514.71.1656
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore541.51.1081
Cape Doctor Coastal447.91.3395
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9357
Triple Number Coastal/Long Distance Medium1.1757
Triple Number Coastal/Long Distance High1.3035
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9574
Triple Number Windward/Leeward High1.0746
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9357
Triple Number Coastal/Long Distance Medium1.1757
Triple Number Coastal/Long Distance High1.3035
Triple Number Windward/Leeward Low0.7256
Triple Number Windward/Leeward Medium0.9574
Triple Number Windward/Leeward High1.0746
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Predominantly Upwind556.21.0788
Predominantly Downwind514.71.1656
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance557.41.0765
Triple Number Coastal/Long Distance Low641.20.9357
Triple Number Coastal/Long Distance Medium510.31.1757
Triple Number Coastal/Long Distance High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.9693.9587.9531.8501.0471.9421.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low641.20.9357
Triple Number All Purpose Medium510.31.1757
Triple Number All Purpose High460.31.3035
Triple Number Windward/Leeward Low826.90.7256
Triple Number Windward/Leeward Medium626.70.9574
Triple Number Windward/Leeward High558.31.0746
Predominantly Upwind556.21.0788
Predominantly Downwind514.71.1656
Predominantly Upwind Low717.30.8365
Predominantly Upwind Medium577.41.0391
Predominantly Upwind High547.41.0960
Predominantly Downwind Low697.00.8608
Predominantly Downwind Medium511.81.1722
Predominantly Downwind High429.21.3978
Chicago-Mac Upwind1.0612
Chicago-Mac All Purpose1.1003
Chicago-Mac Downwind1.1466
Bayview-Mac Cove Island1.0290
Bayview-Mac Shore1.0342
Harvest Moon Regatta445.41.3472
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy541.01.1091
San Francisco Bay Medium615.50.9748
Predominantly Reaching483.91.2400
Predominantly Reaching Low576.11.0414
Predominantly Reaching Medium479.61.2510
Predominantly Reaching High424.81.4123
Windward/Leeward 60-40 Low833.30.7200
Windward/Leeward 60-40 Medium647.30.9269
Windward/Leeward 60-40 High590.81.0156
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low902.90.6645
5-Band Low / Medium758.40.7912
5-Band Medium618.30.9704
5-Band Medium / High567.91.0564
5-Band High536.71.1180
ORC Ref  03330002OI2Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Pravda 2

USA 45

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 111Measurement08/06/2023HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.121Max. Beam3.302Draft2.205Displacement4,575Wetted area24.25IMS L10.527LSM010.154Acc. length10.732Sink (kg/mm) 18.73
VCGD0.072VCGM0.043RM Rated (kg·m) 101.5Limit of positive stability(°) 113.4Stability Index114.3
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.412PBW0.098PIPA0.0035
EDL2.255ST10.042ST20.180
ST30.180ST40.112ST50.280
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.770IG14.470ISP15.670MDT10.110MDL10.176MDT20.090MDL20.138TL1.000MW0.176GO0.204
E4.425J4.200BAS1.700FSD0.033SFJ0.300SPLWPLTPS6.600BD0.135MWTMCG
Flying Headsail Foretriangles IdISPTPS115.6706.600
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date07/06/2023MeasurerComment
SFFP0.994FFM1.243FF1.240LCFcl6.128SG1.0220
SAFP10.966FAM0.858FA0.869LCFsh6.343HBI1.054
W165.5W265.5W365.5W465.5
PD1572.4PD2572.4PD3572.4PD4572.4
WD11.445PLM9000.00GSA1.0RSA1.0RM103.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1CL poly fuel tankFuel76768.40-0.10Total deductible648.40-0.10
Total deductible
ORC Ref  03330002OI2Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Pravda 2

USA 45

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.201.061.883.083.8638.3618/02/2022OUS146123-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentM7 Jib1.282.364.4514.50YesNo 33.3918/03/2023OUS151889-003Staysail0.091.252.323.314.3513.87NoInner 31.3418/02/2022OUS146123-003
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA218.2214.8416.539.319.8095%129.6021/02/2023OUS151889-001Code 016.3914.9915.696.158.1975%85.7522/07/2020OUS138244-001
ORC Ref  03330002OI2Issued on 15/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org