International
Certificate
2023

Boat

LONGBOW

USA 143

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 Angles43.0°40.8°39.0°38.2°38.4°38.4°38.3°
Beat VMG4.275.185.645.866.006.086.17
52°6.507.678.198.448.618.748.93
60°6.857.968.528.849.079.249.47
75°7.148.158.879.459.7910.0410.43
90°7.298.399.169.7110.3810.8311.49
110°6.978.199.1410.2211.1011.7512.91
120°6.558.019.0410.0411.0012.1213.80
135°5.927.508.559.5810.8512.1614.31
150°4.996.387.558.509.3910.4813.13
Run VMG4.325.536.547.388.139.0811.37
Gybe Angles143.3°143.0°146.5°152.8°150.5°146.0°142.2°

APH: 451.3

CDL: 11.979

GPH: 507.8

CertNo: US6498

BOAT
ClassCLASS 40DesignerOWEN CLARKE DESIGNBuilderCARBON OCEAN YACHTAge date06/2015Series date01/2015Offset fileclass40-usa143.offData fileUS6498
HULL
Length Overall12.201 mMaximum Beam4.494 mDraft3.003 mDisplacement5,114 kgDLR2.7069IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.260%
PROPELLER
InstallationShaft non exposedTypeFolding 2 bladesDiameter0.430m
CREW
Maximum weight500 kgMinimum weight375 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail59.2960.78Headsail Luffed56.8656.86Headsail Flying112.10112.10SymmetricAsymmetric192.58192.58 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail14.81Storm Jib15.10Heavy Weather Jib40.76
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment310.0 kg·mStability Index112.5
COMMENTS
Rep: Jimmy Carolla New Mast, no Water Ballast
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  04560002OU5Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

LONGBOW

USA 143

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 VMG843.8694.6637.9614.0600.3591.8583.3
52°554.1469.1439.6426.6418.3411.7403.0
60°525.9452.3422.4407.2397.0389.7380.1
75°504.2441.7406.0380.9367.7358.5345.2
90°493.7429.3392.9370.8346.7332.5313.4
110°516.7439.4393.7352.1324.4306.3278.8
120°549.7449.6398.3358.7327.3297.0260.9
135°608.0479.7421.2375.6331.7296.1251.6
150°721.1563.9477.0423.5383.4343.5274.2
Run VMG832.7651.1550.8487.8442.6396.7316.6
Selected Courses
Windward / Leeward838.2672.9594.4550.9521.4494.2449.9
All purpose641.5527.0472.4438.9414.1393.8363.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward569.51.0535
All purpose451.31.3294
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9199
Downwind "popa"1.1419
70% up, 30% down "Ilhabela"0.9769
30% up, 70% down "Ilhabela-inverso"1.0648
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Predominantly Upwind495.21.2115
Predominantly Downwind454.11.3214
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low584.21.0270
Triple Number All Purpose Medium451.21.3297
Triple Number All Purpose High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Predominantly Upwind495.21.2115
Predominantly Downwind454.11.3214
Predominantly Upwind Low647.20.9271
Predominantly Upwind Medium517.11.1603
Predominantly Upwind High481.01.2473
Predominantly Downwind Low642.70.9335
Predominantly Downwind Medium454.31.3206
Predominantly Downwind High349.81.7155
Chicago-Mac Upwind1.1895
Chicago-Mac All Purpose1.2390
Chicago-Mac Downwind1.2926
Bayview-Mac Cove Island1.1541
Bayview-Mac Shore1.1658
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching421.51.4235
Predominantly Reaching Low524.91.1430
Predominantly Reaching Medium420.41.4274
Predominantly Reaching High349.91.7146
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low825.50.7268
5-Band Low / Medium692.90.8659
5-Band Medium558.61.0741
5-Band Medium / High496.11.2093
5-Band High457.61.3112
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance493.9
Triple Number Coastal/Long Distance Low584.2
Triple Number Coastal/Long Distance Medium451.2
Triple Number Coastal/Long Distance High387.5
Triple Number Windward/Leeward Low755.6
Triple Number Windward/Leeward Medium568.2
Triple Number Windward/Leeward High484.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0270
Triple Number Coastal/Long Distance Medium1.3297
Triple Number Coastal/Long Distance High1.5482
Triple Number Windward/Leeward Low0.7941
Triple Number Windward/Leeward Medium1.0560
Triple Number Windward/Leeward High1.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low584.2
Triple Number Coastal/Long Distance Medium451.2
Triple Number Coastal/Long Distance High387.5
Triple Number Windward/Leeward Low755.6
Triple Number Windward/Leeward Medium568.2
Triple Number Windward/Leeward High484.4
Predominantly Upwind495.2
Predominantly Downwind454.1
Predominantly Reaching431.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0270
Triple Number Coastal/Long Distance Medium1.3297
Triple Number Coastal/Long Distance High1.5482
Triple Number Windward/Leeward Low0.7941
Triple Number Windward/Leeward Medium1.0560
Triple Number Windward/Leeward High1.2386
Coastal/Long Distance1.2149
Predominantly Upwind1.2115
Predominantly Downwind1.3214
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0270
Tretall Distanseseilas Mellomvind1.3297
Tretall Distanseseilas Mye vind1.5482
Tretall Pølsebane Lite vind0.7941
Tretall Pølsebane Mellomvind1.0560
Tretall Pølsebane Mye vind1.2386
Distanseseilas ett tall (OSN 8-16kn)1.2149
Distanseseilas ett tall (APH 6-20kn)1.3294
Enkeltall Motvind1.2115
Enkeltall Medvind1.3214
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Coastal/Long Distance493.91.2149
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind495.21.2115
Predominantly Downwind454.11.3214
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore463.21.2953
Cape Doctor Coastal372.71.6101
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0270
Triple Number Coastal/Long Distance Medium1.3297
Triple Number Coastal/Long Distance High1.5482
Triple Number Windward/Leeward Low0.7941
Triple Number Windward/Leeward Medium1.0560
Triple Number Windward/Leeward High1.2386
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0270
Triple Number Coastal/Long Distance Medium1.3297
Triple Number Coastal/Long Distance High1.5482
Triple Number Windward/Leeward Low0.7941
Triple Number Windward/Leeward Medium1.0560
Triple Number Windward/Leeward High1.2386
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Predominantly Upwind495.21.2115
Predominantly Downwind454.11.3214
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance493.91.2149
Triple Number Coastal/Long Distance Low584.21.0270
Triple Number Coastal/Long Distance Medium451.21.3297
Triple Number Coastal/Long Distance High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance837.7633.0534.0472.9433.0396.8340.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low584.21.0270
Triple Number All Purpose Medium451.21.3297
Triple Number All Purpose High387.51.5482
Triple Number Windward/Leeward Low755.60.7941
Triple Number Windward/Leeward Medium568.21.0560
Triple Number Windward/Leeward High484.41.2386
Predominantly Upwind495.21.2115
Predominantly Downwind454.11.3214
Predominantly Upwind Low647.20.9271
Predominantly Upwind Medium517.11.1603
Predominantly Upwind High481.01.2473
Predominantly Downwind Low642.70.9335
Predominantly Downwind Medium454.31.3206
Predominantly Downwind High349.81.7155
Chicago-Mac Upwind1.1895
Chicago-Mac All Purpose1.2390
Chicago-Mac Downwind1.2926
Bayview-Mac Cove Island1.1541
Bayview-Mac Shore1.1658
Harvest Moon Regatta372.41.6110
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy469.81.2772
San Francisco Bay Medium555.11.0810
Predominantly Reaching421.51.4235
Predominantly Reaching Low524.91.1430
Predominantly Reaching Medium420.41.4274
Predominantly Reaching High349.91.7146
Windward/Leeward 60-40 Low758.30.7913
Windward/Leeward 60-40 Medium587.61.0211
Windward/Leeward 60-40 High520.61.1526
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low825.50.7268
5-Band Low / Medium692.90.8659
5-Band Medium558.61.0741
5-Band Medium / High496.11.2093
5-Band High457.61.3112
ORC Ref  04560002OU5Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

LONGBOW

USA 143

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCLASS 40Measurement29/06/2022HIN1Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.201Max. Beam4.494Draft3.003Displacement5,114Wetted area35.03IMS L12.130LSM012.361Acc. length12.201Sink (kg/mm) 29.06
VCGD-0.173VCGM-0.166RM Rated (kg·m) 310.0Limit of positive stability(°) 115.5Stability Index112.5
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.430PBW0.110PIPA0.0101
PSD0.070PHD0.110PHL0.150
PSA8.8°ESL1.380
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritYesNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P16.757IG17.374ISP17.862MDT10.131MDL10.227MDT20.124MDL20.194TL6.300MW0.234GO0.234
E5.050J5.850BAS1.067FSDSFJ0.070SPL0.000WPLTPS7.930BD0.200MWT194.95MCG6.525
Flying Headsail Foretriangles IdISPTPS117.6377.930
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date29/06/2022Measurer120Comment
SFFP0.526FFM1.284FF1.291LCFcl7.270SG1.0000
SAFP12.092FAM0.873FA0.877LCFsh7.554HBI1.122
W1242.0W2242.0W3242.0W4242.0LCFD7.987
PD1170.5PD2170.5PD3170.5PD4170.5
WD4.840PLM2661.00GSA50.3RSA17203.0RM319.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG0.9000317.740.00Total deductible287.740.00
Total deductible
ORC Ref  04560002OU5Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

LONGBOW

USA 143

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment18277981.432.052.783.744.4259.292018 SQARE TOP MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC650.062.033.816.928.989.8318.53NoYes1112.1021/07/202211447340.070.841.623.204.786.3217.80NoNo 56.862016 JIB1
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment182781020.4117.6019.0112.0912.4497%192.582016 A2c018.8417.2318.047.339.7575%117.44OUS122975-001
ORC Ref  04560002OU5Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org