Club
Certificate
2023

Boat

AURORA

USA 030

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°41.2°40.2°39.6°39.4°39.0°39.0°
Beat VMG3.994.795.235.455.585.665.70
52°6.077.117.667.898.028.108.17
60°6.387.397.918.158.288.358.44
75°6.597.568.108.408.588.708.84
90°6.457.488.098.468.738.969.26
110°6.087.378.158.608.949.259.79
120°5.927.228.078.589.009.3910.05
135°5.316.637.658.298.759.1910.09
150°4.465.696.767.648.258.709.56
Run VMG3.874.935.866.677.347.928.81
Gybe Angles141.1°146.0°150.5°154.7°160.4°171.8°178.4°

APH: 504.4

CDL: 11.449

GPH: 564.9

CertNo: USA030

BOAT
ClassX-482DesignerJEPPESENBuilderX-YACHTSAge date01/1998Series date01/1996Offset fileX482.OFFData fileUSA 030
HULL
Length Overall14.499 mMaximum Beam4.298 mDraft2.451 mDisplacement12,475 kgDLR6.1549IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 3 bladesDiameter0.494m
CREW
Maximum weight450 kgMinimum weight338 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail58.7259.66Headsail Luffed75.9675.96Headsail FlyingSymmetric163.04163.04Asymmetric152.59152.59 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail17.56Storm Jib20.14Heavy Weather Jib54.38
SAIL LIMITS
Headsails6  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  03330002LL9Issued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

AURORA

USA 030

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 VMG901.9752.2688.5660.1645.4636.4631.9
52°592.6506.4470.2456.0448.6444.3440.4
60°564.0487.1454.9441.5434.9430.9426.8
75°546.7476.0444.4428.6419.6414.0407.2
90°558.5481.4444.8425.4412.2402.0388.8
110°591.9488.6441.6418.7402.6389.3367.9
120°608.1498.9446.3419.5399.8383.2358.1
135°678.4543.0470.8434.5411.4391.7356.8
150°806.5632.8532.7471.1436.2413.8376.7
Run VMG931.3730.7614.8540.1490.7454.3408.5
Selected Courses
Windward / Leeward916.6741.5651.6600.1568.0545.4520.2
All purpose704.7580.9520.0487.7467.8453.7435.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward624.50.9608
All purpose504.41.1896
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8543
Downwind "popa"1.0071
70% up, 30% down "Ilhabela"0.8950
30% up, 70% down "Ilhabela-inverso"0.9558
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Predominantly Upwind543.11.1048
Predominantly Downwind513.81.1678
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low642.80.9334
Triple Number All Purpose Medium501.31.1969
Triple Number All Purpose High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Predominantly Upwind543.11.1048
Predominantly Downwind513.81.1678
Predominantly Upwind Low704.10.8521
Predominantly Upwind Medium560.91.0697
Predominantly Upwind High528.81.1346
Predominantly Downwind Low714.60.8396
Predominantly Downwind Medium511.91.1721
Predominantly Downwind High425.31.4108
Chicago-Mac Upwind1.0854
Chicago-Mac All Purpose1.1130
Chicago-Mac Downwind1.1460
Bayview-Mac Cove Island1.0422
Bayview-Mac Shore1.0545
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching477.51.2565
Predominantly Reaching Low583.21.0288
Predominantly Reaching Medium472.91.2687
Predominantly Reaching High419.41.4307
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low903.10.6644
5-Band Low / Medium760.40.7890
5-Band Medium610.50.9828
5-Band Medium / High549.61.0917
5-Band High524.61.1438
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance549.7
Triple Number Coastal/Long Distance Low642.8
Triple Number Coastal/Long Distance Medium501.3
Triple Number Coastal/Long Distance High450.4
Triple Number Windward/Leeward Low829.1
Triple Number Windward/Leeward Medium621.1
Triple Number Windward/Leeward High541.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9334
Triple Number Coastal/Long Distance Medium1.1969
Triple Number Coastal/Long Distance High1.3321
Triple Number Windward/Leeward Low0.7237
Triple Number Windward/Leeward Medium0.9661
Triple Number Windward/Leeward High1.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low642.8
Triple Number Coastal/Long Distance Medium501.3
Triple Number Coastal/Long Distance High450.4
Triple Number Windward/Leeward Low829.1
Triple Number Windward/Leeward Medium621.1
Triple Number Windward/Leeward High541.6
Predominantly Upwind543.1
Predominantly Downwind513.8
Predominantly Reaching490.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9334
Triple Number Coastal/Long Distance Medium1.1969
Triple Number Coastal/Long Distance High1.3321
Triple Number Windward/Leeward Low0.7237
Triple Number Windward/Leeward Medium0.9661
Triple Number Windward/Leeward High1.1078
Coastal/Long Distance1.0915
Predominantly Upwind1.1048
Predominantly Downwind1.1678
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9334
Tretall Distanseseilas Mellomvind1.1969
Tretall Distanseseilas Mye vind1.3321
Tretall Pølsebane Lite vind0.7237
Tretall Pølsebane Mellomvind0.9661
Tretall Pølsebane Mye vind1.1078
Distanseseilas ett tall (OSN 8-16kn)1.0915
Distanseseilas ett tall (APH 6-20kn)1.1896
Enkeltall Motvind1.1048
Enkeltall Medvind1.1678
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Coastal/Long Distance549.71.0915
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind543.11.1048
Predominantly Downwind513.81.1678
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore527.81.1369
Cape Doctor Coastal440.91.3607
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9334
Triple Number Coastal/Long Distance Medium1.1969
Triple Number Coastal/Long Distance High1.3321
Triple Number Windward/Leeward Low0.7237
Triple Number Windward/Leeward Medium0.9661
Triple Number Windward/Leeward High1.1078
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9334
Triple Number Coastal/Long Distance Medium1.1969
Triple Number Coastal/Long Distance High1.3321
Triple Number Windward/Leeward Low0.7237
Triple Number Windward/Leeward Medium0.9661
Triple Number Windward/Leeward High1.1078
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Predominantly Upwind543.11.1048
Predominantly Downwind513.81.1678
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance549.71.0915
Triple Number Coastal/Long Distance Low642.80.9334
Triple Number Coastal/Long Distance Medium501.31.1969
Triple Number Coastal/Long Distance High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance918.0698.2586.8521.4485.7457.9415.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low642.80.9334
Triple Number All Purpose Medium501.31.1969
Triple Number All Purpose High450.41.3321
Triple Number Windward/Leeward Low829.10.7237
Triple Number Windward/Leeward Medium621.10.9661
Triple Number Windward/Leeward High541.61.1078
Predominantly Upwind543.11.1048
Predominantly Downwind513.81.1678
Predominantly Upwind Low704.10.8521
Predominantly Upwind Medium560.91.0697
Predominantly Upwind High528.81.1346
Predominantly Downwind Low714.60.8396
Predominantly Downwind Medium511.91.1721
Predominantly Downwind High425.31.4108
Chicago-Mac Upwind1.0854
Chicago-Mac All Purpose1.1130
Chicago-Mac Downwind1.1460
Bayview-Mac Cove Island1.0422
Bayview-Mac Shore1.0545
Harvest Moon Regatta436.21.3756
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy530.91.1302
San Francisco Bay Medium611.80.9807
Predominantly Reaching477.51.2565
Predominantly Reaching Low583.21.0288
Predominantly Reaching Medium472.91.2687
Predominantly Reaching High419.41.4307
Windward/Leeward 60-40 Low828.60.7241
Windward/Leeward 60-40 Medium638.90.9391
Windward/Leeward 60-40 High574.11.0452
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low903.10.6644
5-Band Low / Medium760.40.7890
5-Band Medium610.50.9828
5-Band Medium / High549.61.0917
5-Band High524.61.1438
ORC Ref  03330002LL9Issued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

AURORA

USA 030

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-482MeasurementHIN8Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA14.499Max. Beam4.298Draft2.451Displacement12,475Wetted area43.59IMS L12.662LSM012.654Acc. length13.969Sink (kg/mm) 31.75
VCGD1.370VCGM0.070RM Rated (kg·m) 333.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.494PBW0.124PIPA0.0073
PSD0.036PHD0.073PHL0.156
PSA19.0°ESL1.281
ST10.029ST20.129ST30.154
ST40.066ST50.269
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3Rotating mastNo
P17.601IG19.840ISP19.840MDT10.149MDL10.263MDT20.149MDL20.216TL1.951MW0.201GO0.266
E5.701J5.681BAS1.988FSD0.044SFJ0.251SPL5.810WPLTPS5.810BD0.227MWT417.01MCG6.544
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered333.0Flotation Date03/05/2023MeasurerComment
SFFP0.490FFMFF1.626LCFcl8.142SG
SAFP12.616FAMFA1.213LCFsh8.420HBI1.369
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03330002LL9Issued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

AURORA

USA 030

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.161.202.103.584.7058.7229/10/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.090.951.833.695.677.8120.01NoNo 75.9618/04/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment019.6019.6019.609.9110.27163.0418/04/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA217.9917.9917.9910.1410.3398%152.5918/04/2023C020.4317.5919.017.999.4684%131.2318/04/2023
ORC Ref  03330002LL9Issued on 12/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org