International
Certificate
2023

Boat

BLUE FLASH

USA 124

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 Angles42.6°40.6°38.8°37.6°37.2°37.0°37.0°
Beat VMG3.624.424.925.155.275.355.40
52°5.506.496.997.227.337.417.49
60°5.776.707.167.407.537.637.74
75°5.956.847.297.607.837.988.18
90°6.067.017.507.858.098.278.64
110°5.886.997.578.008.378.809.63
120°5.736.907.548.068.559.029.87
135°5.096.397.247.818.378.9910.76
150°4.305.486.487.207.628.029.24
Run VMG3.734.745.616.246.607.008.00
Gybe Angles143.3°147.5°148.0°150.1°148.9°173.0°142.3°

APH: 539.9

CDL: 9.339

GPH: 604.6

CertNo: US7515

BOAT
ClassJ 105DesignerJohnstoneBuilderTPIAge date01/1995Series date01/1991Offset filej105.offData fileUSA124
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.008 mDisplacement3,950 kgDLR4.6793IMS DivisionPerformanceDynamic Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight365 kgMinimum weight274 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.4734.14Headsail Luffed34.3734.37Headsail FlyingSymmetricAsymmetric106.89106.89 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.73Heavy Weather Jib20.86
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment103.4 kg·mStability Index119.0
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  04560002SJ8Issued on 19/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

BLUE FLASH

USA 124

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 VMG994.7815.0731.3698.8682.8673.4666.4
52°654.9554.7514.7498.9491.1486.0480.7
60°623.7537.2502.6486.3477.8471.8465.2
75°605.4526.6493.8473.9459.9451.1440.1
90°593.9513.3479.8458.8445.1435.4416.9
110°612.5515.0475.7450.0430.1409.2373.8
120°628.1521.5477.7446.7421.2399.0364.6
135°707.0563.0497.1461.2430.2400.7334.6
150°836.6657.3555.4500.2472.3449.0389.8
Run VMG966.1759.0641.4577.4545.4514.0450.1
Selected Courses
Windward / Leeward980.4787.0686.3638.1614.1593.7558.2
All purpose753.7619.3555.2522.9503.5487.6458.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward666.50.9002
All purpose539.91.1112
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7981
Downwind "popa"0.9431
70% up, 30% down "Ilhabela"0.8367
30% up, 70% down "Ilhabela-inverso"0.8944
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Predominantly Upwind582.91.0293
Predominantly Downwind546.91.0972
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low686.50.8740
Triple Number All Purpose Medium536.91.1176
Triple Number All Purpose High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Predominantly Upwind582.91.0293
Predominantly Downwind546.91.0972
Predominantly Upwind Low761.50.7879
Predominantly Upwind Medium602.00.9966
Predominantly Upwind High565.41.0612
Predominantly Downwind Low751.60.7983
Predominantly Downwind Medium544.51.1020
Predominantly Downwind High456.71.3139
Chicago-Mac Upwind1.0122
Chicago-Mac All Purpose1.0428
Chicago-Mac Downwind1.0790
Bayview-Mac Cove Island0.9718
Bayview-Mac Shore0.9804
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching510.41.1756
Predominantly Reaching Low619.70.9682
Predominantly Reaching Medium505.81.1862
Predominantly Reaching High444.31.3503
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low965.50.6215
5-Band Low / Medium808.20.7424
5-Band Medium650.80.9220
5-Band Medium / High594.91.0086
5-Band High564.41.0631
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance587.0
Triple Number Coastal/Long Distance Low686.5
Triple Number Coastal/Long Distance Medium536.9
Triple Number Coastal/Long Distance High480.7
Triple Number Windward/Leeward Low883.7
Triple Number Windward/Leeward Medium660.6
Triple Number Windward/Leeward High585.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1176
Triple Number Coastal/Long Distance High1.2481
Triple Number Windward/Leeward Low0.6790
Triple Number Windward/Leeward Medium0.9083
Triple Number Windward/Leeward High1.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low686.5
Triple Number Coastal/Long Distance Medium536.9
Triple Number Coastal/Long Distance High480.7
Triple Number Windward/Leeward Low883.7
Triple Number Windward/Leeward Medium660.6
Triple Number Windward/Leeward High585.5
Predominantly Upwind582.9
Predominantly Downwind546.9
Predominantly Reaching522.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1176
Triple Number Coastal/Long Distance High1.2481
Triple Number Windward/Leeward Low0.6790
Triple Number Windward/Leeward Medium0.9083
Triple Number Windward/Leeward High1.0248
Coastal/Long Distance1.0221
Predominantly Upwind1.0293
Predominantly Downwind1.0972
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8740
Tretall Distanseseilas Mellomvind1.1176
Tretall Distanseseilas Mye vind1.2481
Tretall Pølsebane Lite vind0.6790
Tretall Pølsebane Mellomvind0.9083
Tretall Pølsebane Mye vind1.0248
Distanseseilas ett tall (OSN 8-16kn)1.0221
Distanseseilas ett tall (APH 6-20kn)1.1112
Enkeltall Motvind1.0293
Enkeltall Medvind1.0972
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Coastal/Long Distance587.01.0221
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind582.91.0293
Predominantly Downwind546.91.0972
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore568.91.0547
Cape Doctor Coastal467.31.2840
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1176
Triple Number Coastal/Long Distance High1.2481
Triple Number Windward/Leeward Low0.6790
Triple Number Windward/Leeward Medium0.9083
Triple Number Windward/Leeward High1.0248
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1176
Triple Number Coastal/Long Distance High1.2481
Triple Number Windward/Leeward Low0.6790
Triple Number Windward/Leeward Medium0.9083
Triple Number Windward/Leeward High1.0248
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Predominantly Upwind582.91.0293
Predominantly Downwind546.91.0972
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.01.0221
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium536.91.1176
Triple Number Coastal/Long Distance High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance978.9741.1621.9557.1522.7492.9441.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low686.50.8740
Triple Number All Purpose Medium536.91.1176
Triple Number All Purpose High480.71.2481
Triple Number Windward/Leeward Low883.70.6790
Triple Number Windward/Leeward Medium660.60.9083
Triple Number Windward/Leeward High585.51.0248
Predominantly Upwind582.91.0293
Predominantly Downwind546.91.0972
Predominantly Upwind Low761.50.7879
Predominantly Upwind Medium602.00.9966
Predominantly Upwind High565.41.0612
Predominantly Downwind Low751.60.7983
Predominantly Downwind Medium544.51.1020
Predominantly Downwind High456.71.3139
Chicago-Mac Upwind1.0122
Chicago-Mac All Purpose1.0428
Chicago-Mac Downwind1.0790
Bayview-Mac Cove Island0.9718
Bayview-Mac Shore0.9804
Harvest Moon Regatta468.21.2814
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy566.21.0596
San Francisco Bay Medium649.50.9238
Predominantly Reaching510.41.1756
Predominantly Reaching Low619.70.9682
Predominantly Reaching Medium505.81.1862
Predominantly Reaching High444.31.3503
Windward/Leeward 60-40 Low887.90.6757
Windward/Leeward 60-40 Medium679.20.8834
Windward/Leeward 60-40 High615.30.9751
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low965.50.6215
5-Band Low / Medium808.20.7424
5-Band Medium650.80.9220
5-Band Medium / High594.91.0086
5-Band High564.41.0631
ORC Ref  04560002SJ8Issued on 19/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

BLUE FLASH

USA 124

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105Measurement21/02/2020HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.344Draft2.008Displacement3,950Wetted area22.82IMS L9.545LSM09.450Acc. length10.570Sink (kg/mm) 17.11
VCGD-0.139VCGM-0.158RM Rated (kg·m) 103.4Limit of positive stability(°) 121.3Stability Index119.0
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBW0.110PIPA0.0048
PSD0.026PHD0.070PHL0.152
PSA17.5°ESL0.995
ST10.020ST20.088ST30.088
ST40.048ST50.180
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.650IG12.370ISP12.750MDT10.103MDL10.170MDT20.085MDL20.105TL2.000MW0.172GO0.192
E4.450J4.110BAS1.553FSD0.030SFJSPLWPLTPS5.980BD0.130MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date21/02/2020MeasurerComment
SFFP0.966FFM1.084FF1.091LCFcl5.862SG1.0000
SAFP10.056FAM0.755FA0.760LCFsh6.101HBI0.925
W153.4W253.4W353.4W453.4
PD1512.7PD2512.7PD3512.7PD4512.7
WD12.600PLM9000.00GSA1.0RSA1.0RM103.3
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002SJ8Issued on 19/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

BLUE FLASH

USA 124

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.170.921.662.863.7533.4721/02/20212 reefs
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentLt #10.050.721.442.874.355.9011.81NoNo 34.3721/02/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA214.8113.0813.959.029.9191%106.8920/02/2020C013.2311.5312.385.657.5275%62.1521/02/2020
ORC Ref  04560002SJ8Issued on 19/09/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org