International
Certificate
2023

Boat

NATALIE J.

USA 5252

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 Angles43.2°40.2°38.4°37.2°36.6°36.3°36.0°
Beat VMG5.216.226.717.017.207.337.47
52°7.969.139.6410.0310.3310.5710.89
60°8.439.4910.1210.5810.9311.2111.60
75°8.769.8410.7511.3711.8612.2712.92
90°8.659.7310.8111.8212.6213.2614.30
110°7.949.4410.4611.2112.2213.5415.71
120°7.709.3210.5511.6312.4913.3315.17
135°6.918.759.9611.2512.7214.1916.36
150°5.757.418.759.8110.9812.4015.55
Run VMG4.986.427.578.499.5110.7413.46
Gybe Angles140.6°142.2°146.9°148.7°145.1°144.7°145.6°

APH: 382.2

CDL: 16.159

GPH: 429.6

CertNo: US6322

BOAT
ClassPac 52DesignerBOTIN PARTNERSBuilderAge date06/2015Series date01/2015Offset fileUS42602F.OFFData fileUS6322
HULL
Length Overall15.850 mMaximum Beam4.422 mDraft3.603 mDisplacement7,041 kgDLR2.0327IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.260%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight1,200 kgMinimum weight900 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail99.28101.81Headsail Luffed66.8966.89Headsail FlyingSymmetricAsymmetric265.20265.20 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail25.98Storm Jib20.24Heavy Weather Jib54.64
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment427.6 kg·mStability Index143.7
COMMENTS
Inshore 2023
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  04560002O0LIssued on 08/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

NATALIE J.

USA 5252

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 VMG691.0579.0536.4513.8499.9490.9482.2
52°452.1394.4373.3358.8348.3340.4330.6
60°427.2379.3355.9340.4329.5321.3310.3
75°410.7365.9335.0316.6303.5293.4278.6
90°416.2369.9333.0304.7285.4271.4251.8
110°453.4381.6344.0321.2294.7265.9229.2
120°467.3386.5341.2309.6288.3270.0237.3
135°521.1411.4361.6319.9283.0253.7220.0
150°626.2485.5411.6367.1327.8290.2231.6
Run VMG723.1560.6475.3423.9378.5335.1267.4
Selected Courses
Windward / Leeward707.1569.8505.9468.8439.2413.0374.8
All purpose539.8447.3401.9373.1350.0330.1302.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward482.01.2447
All purpose382.21.5700
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"1.1072
Downwind "popa"1.3275
70% up, 30% down "Ilhabela"1.1652
30% up, 70% down "Ilhabela-inverso"1.2527
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Predominantly Upwind415.91.4428
Predominantly Downwind386.41.5529
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low493.51.2157
Triple Number All Purpose Medium383.11.5661
Triple Number All Purpose High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Predominantly Upwind415.91.4428
Predominantly Downwind386.41.5529
Predominantly Upwind Low540.31.1104
Predominantly Upwind Medium433.91.3828
Predominantly Upwind High398.31.5065
Predominantly Downwind Low549.21.0925
Predominantly Downwind Medium388.91.5430
Predominantly Downwind High295.62.0296
Chicago-Mac Upwind1.4154
Chicago-Mac All Purpose1.4658
Chicago-Mac Downwind1.5173
Bayview-Mac Cove Island1.3662
Bayview-Mac Shore1.3846
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching355.31.6885
Predominantly Reaching Low445.31.3473
Predominantly Reaching Medium356.01.6852
Predominantly Reaching High291.82.0559
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low696.50.8614
5-Band Low / Medium586.71.0227
5-Band Medium473.71.2665
5-Band Medium / High415.71.4432
5-Band High381.41.5732
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance418.2
Triple Number Coastal/Long Distance Low493.5
Triple Number Coastal/Long Distance Medium383.1
Triple Number Coastal/Long Distance High324.6
Triple Number Windward/Leeward Low638.4
Triple Number Windward/Leeward Medium482.2
Triple Number Windward/Leeward High405.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2157
Triple Number Coastal/Long Distance Medium1.5661
Triple Number Coastal/Long Distance High1.8484
Triple Number Windward/Leeward Low0.9398
Triple Number Windward/Leeward Medium1.2443
Triple Number Windward/Leeward High1.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low493.5
Triple Number Coastal/Long Distance Medium383.1
Triple Number Coastal/Long Distance High324.6
Triple Number Windward/Leeward Low638.4
Triple Number Windward/Leeward Medium482.2
Triple Number Windward/Leeward High405.2
Predominantly Upwind415.9
Predominantly Downwind386.4
Predominantly Reaching365.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2157
Triple Number Coastal/Long Distance Medium1.5661
Triple Number Coastal/Long Distance High1.8484
Triple Number Windward/Leeward Low0.9398
Triple Number Windward/Leeward Medium1.2443
Triple Number Windward/Leeward High1.4806
Coastal/Long Distance1.4349
Predominantly Upwind1.4428
Predominantly Downwind1.5529
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.2157
Tretall Distanseseilas Mellomvind1.5661
Tretall Distanseseilas Mye vind1.8484
Tretall Pølsebane Lite vind0.9398
Tretall Pølsebane Mellomvind1.2443
Tretall Pølsebane Mye vind1.4806
Distanseseilas ett tall (OSN 8-16kn)1.4349
Distanseseilas ett tall (APH 6-20kn)1.5700
Enkeltall Motvind1.4428
Enkeltall Medvind1.5529
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Coastal/Long Distance418.21.4349
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind415.91.4428
Predominantly Downwind386.41.5529
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore386.31.5534
Cape Doctor Coastal310.51.9321
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2157
Triple Number Coastal/Long Distance Medium1.5661
Triple Number Coastal/Long Distance High1.8484
Triple Number Windward/Leeward Low0.9398
Triple Number Windward/Leeward Medium1.2443
Triple Number Windward/Leeward High1.4806
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2157
Triple Number Coastal/Long Distance Medium1.5661
Triple Number Coastal/Long Distance High1.8484
Triple Number Windward/Leeward Low0.9398
Triple Number Windward/Leeward Medium1.2443
Triple Number Windward/Leeward High1.4806
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Predominantly Upwind415.91.4428
Predominantly Downwind386.41.5529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.21.4349
Triple Number Coastal/Long Distance Low493.51.2157
Triple Number Coastal/Long Distance Medium383.11.5661
Triple Number Coastal/Long Distance High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance708.7536.9454.3400.7365.3334.2285.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low493.51.2157
Triple Number All Purpose Medium383.11.5661
Triple Number All Purpose High324.61.8484
Triple Number Windward/Leeward Low638.40.9398
Triple Number Windward/Leeward Medium482.21.2443
Triple Number Windward/Leeward High405.21.4806
Predominantly Upwind415.91.4428
Predominantly Downwind386.41.5529
Predominantly Upwind Low540.31.1104
Predominantly Upwind Medium433.91.3828
Predominantly Upwind High398.31.5065
Predominantly Downwind Low549.21.0925
Predominantly Downwind Medium388.91.5430
Predominantly Downwind High295.62.0296
Chicago-Mac Upwind1.4154
Chicago-Mac All Purpose1.4658
Chicago-Mac Downwind1.5173
Bayview-Mac Cove Island1.3662
Bayview-Mac Shore1.3846
Harvest Moon Regatta315.71.9004
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy393.91.5232
San Francisco Bay Medium469.91.2768
Predominantly Reaching355.31.6885
Predominantly Reaching Low445.31.3473
Predominantly Reaching Medium356.01.6852
Predominantly Reaching High291.82.0559
Windward/Leeward 60-40 Low637.80.9408
Windward/Leeward 60-40 Medium496.21.2092
Windward/Leeward 60-40 High434.01.3824
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low696.50.8614
5-Band Low / Medium586.71.0227
5-Band Medium473.71.2665
5-Band Medium / High415.71.4432
5-Band High381.41.5732
ORC Ref  04560002O0LIssued on 08/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

NATALIE J.

USA 5252

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPac 52Measurement02/06/2022HINPlan reviewHull constructionCarbonCarbon RudderYesLight stanchionsYesTrim tabNo
LOA15.850Max. Beam4.422Draft3.603Displacement7,041Wetted area41.00IMS L15.424LSM015.130Acc. length14.371Sink (kg/mm) 32.38
VCGD-1.444VCGM-1.447RM Rated (kg·m) 427.6Limit of positive stability(°) 144.9Stability Index143.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.110PIPA0.0026
EDL1.200ST10.045ST20.160
ST30.160ST40.086ST50.310
RIG
Forestay tensionAft & ForwardInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesRunners/Checkstays3Spreaders3Rotating mastNo
P21.008IG20.037ISP22.767MDT10.131MDL10.315MDT20.110MDL20.181TL2.878MW0.290GO0.315
E7.065J6.200BAS1.767FSD0.000SFJ0.540SPL0.000WPLTPS9.000BD0.360MWT260.50MCG8.195
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date02/06/2022MeasurerComment
SFFP0.406FFM1.457FF1.465LCFcl8.802SG1.0000
SAFP15.845FAM1.117FA1.121LCFsh9.064HBI1.240
W1167.5W2167.5W3167.5W4167.5LCFD8.704
PD1218.0PD2216.8PD3215.8PD4213.5
WD7.012PLM9000.00GSA1.0RSA1.0RM428.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAPVC fuel tank on centerlineFuel8089.800.00Total deductible79.800.00
Total deductible
ORC Ref  04560002O0LIssued on 08/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

NATALIE J.

USA 5252

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentAP Main1.902.553.484.936.0899.2811/05/2022Q163460MI-231.902.543.474.926.0799.1122/05/2023179912
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1.5-230.101.051.853.404.916.3120.08YesNo 66.8931/05/2023NSO179913J1-220.141.051.813.304.796.2420.47YesNo 66.8529/03/2022QJ128322J2 20220.141.051.833.294.766.2020.37YesNo 66.2829/03/2022QJ228322
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA 1.5-1 202126.1622.0024.0813.0513.8894%265.2003/06/2022150615A2-126.0621.5823.8213.1713.8095%263.9307/06/2022150616
ORC Ref  04560002O0LIssued on 08/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org