Club
Certificate
2023

Boat

Liberty

255

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 Angles41.8°39.9°38.7°38.1°37.5°37.0°36.4°
Beat VMG3.514.244.724.975.115.215.31
52°5.266.186.737.007.137.217.29
60°5.486.386.907.167.297.387.47
75°5.596.507.017.297.477.597.75
90°5.456.417.007.337.557.727.98
110°5.336.467.147.517.777.998.28
120°5.146.287.047.477.778.048.53
135°4.615.746.647.217.587.898.46
150°3.914.995.876.567.007.337.83
Run VMG3.384.325.085.686.076.607.35
Gybe Angles144.8°146.9°147.1°147.6°149.6°171.2°177.2°

APH: 574.8

CDL: 9.284

GPH: 644.7

CertNo: US255

BOAT
ClassPearson 39-2 CBDesignerSHAWBuilderPEARSONAge date05/1997Series date05/1987Offset fileUS42007-US255.offData fileUS255
HULL
Length Overall11.930 mMaximum Beam3.754 mDraft2.761 mDisplacement9,249 kgDLR9.2929IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0260
CREW
Maximum weight730 kgMinimum weight548 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail42.0843.07Headsail Luffed53.0653.06Headsail FlyingSymmetricAsymmetric102.44102.44 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.24Storm Jib11.35Heavy Weather Jib30.64
SAIL LIMITS
Headsails5  Spinnakers4
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  04560002KEHIssued on 03/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Liberty

255

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 VMG1026.2849.0762.4724.2703.9691.6678.4
52°684.7582.8534.7514.2505.0499.3493.5
60°657.3564.3522.0503.1493.6488.0481.9
75°643.8554.0513.4493.7482.0474.2464.7
90°660.4561.3514.0491.0476.8466.4451.3
110°675.6557.5504.5479.7463.4450.6434.8
120°700.2573.7511.4482.1463.1447.7422.2
135°781.0626.8542.1499.1474.8456.2425.7
150°921.7721.6613.2549.2514.0491.0459.8
Run VMG1064.3833.2708.0634.1593.5545.8489.5
Selected Courses
Windward / Leeward1045.2841.1735.2679.2648.7618.7583.9
All purpose810.1664.5591.2554.3533.8517.4496.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward708.00.8475
All purpose574.81.0438
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7727
Downwind "popa"0.8627
70% up, 30% down "Ilhabela"0.7976
30% up, 70% down "Ilhabela-inverso"0.8336
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Predominantly Upwind613.70.9777
Predominantly Downwind592.01.0134
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low737.30.8138
Triple Number All Purpose Medium570.71.0514
Triple Number All Purpose High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Predominantly Upwind613.70.9777
Predominantly Downwind592.01.0134
Predominantly Upwind Low804.80.7455
Predominantly Upwind Medium628.00.9555
Predominantly Upwind High585.21.0252
Predominantly Downwind Low819.20.7324
Predominantly Downwind Medium593.11.0116
Predominantly Downwind High501.91.1955
Chicago-Mac Upwind0.9613
Chicago-Mac All Purpose0.9760
Chicago-Mac Downwind0.9954
Bayview-Mac Cove Island0.9101
Bayview-Mac Shore0.9234
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching548.41.0941
Predominantly Reaching Low674.90.8890
Predominantly Reaching Medium543.21.1046
Predominantly Reaching High482.91.2426
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1029.50.5828
5-Band Low / Medium863.20.6951
5-Band Medium691.90.8672
5-Band Medium / High623.10.9629
5-Band High589.91.0171
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance625.2
Triple Number Coastal/Long Distance Low737.3
Triple Number Coastal/Long Distance Medium570.7
Triple Number Coastal/Long Distance High513.8
Triple Number Windward/Leeward Low943.1
Triple Number Windward/Leeward Medium703.7
Triple Number Windward/Leeward High613.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8138
Triple Number Coastal/Long Distance Medium1.0514
Triple Number Coastal/Long Distance High1.1678
Triple Number Windward/Leeward Low0.6362
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low737.3
Triple Number Coastal/Long Distance Medium570.7
Triple Number Coastal/Long Distance High513.8
Triple Number Windward/Leeward Low943.1
Triple Number Windward/Leeward Medium703.7
Triple Number Windward/Leeward High613.2
Predominantly Upwind613.7
Predominantly Downwind592.0
Predominantly Reaching564.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8138
Triple Number Coastal/Long Distance Medium1.0514
Triple Number Coastal/Long Distance High1.1678
Triple Number Windward/Leeward Low0.6362
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9785
Coastal/Long Distance0.9596
Predominantly Upwind0.9777
Predominantly Downwind1.0134
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8138
Tretall Distanseseilas Mellomvind1.0514
Tretall Distanseseilas Mye vind1.1678
Tretall Pølsebane Lite vind0.6362
Tretall Pølsebane Mellomvind0.8526
Tretall Pølsebane Mye vind0.9785
Distanseseilas ett tall (OSN 8-16kn)0.9596
Distanseseilas ett tall (APH 6-20kn)1.0438
Enkeltall Motvind0.9777
Enkeltall Medvind1.0134
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Coastal/Long Distance625.20.9596
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind613.70.9777
Predominantly Downwind592.01.0134
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore594.41.0095
Cape Doctor Coastal503.01.1928
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8138
Triple Number Coastal/Long Distance Medium1.0514
Triple Number Coastal/Long Distance High1.1678
Triple Number Windward/Leeward Low0.6362
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9785
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8138
Triple Number Coastal/Long Distance Medium1.0514
Triple Number Coastal/Long Distance High1.1678
Triple Number Windward/Leeward Low0.6362
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9785
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Predominantly Upwind613.70.9777
Predominantly Downwind592.01.0134
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance625.20.9596
Triple Number Coastal/Long Distance Low737.30.8138
Triple Number Coastal/Long Distance Medium570.71.0514
Triple Number Coastal/Long Distance High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1047.1794.0664.8591.7554.3523.6479.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low737.30.8138
Triple Number All Purpose Medium570.71.0514
Triple Number All Purpose High513.81.1678
Triple Number Windward/Leeward Low943.10.6362
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High613.20.9785
Predominantly Upwind613.70.9777
Predominantly Downwind592.01.0134
Predominantly Upwind Low804.80.7455
Predominantly Upwind Medium628.00.9555
Predominantly Upwind High585.21.0252
Predominantly Downwind Low819.20.7324
Predominantly Downwind Medium593.11.0116
Predominantly Downwind High501.91.1955
Chicago-Mac Upwind0.9613
Chicago-Mac All Purpose0.9760
Chicago-Mac Downwind0.9954
Bayview-Mac Cove Island0.9101
Bayview-Mac Shore0.9234
Harvest Moon Regatta506.41.1848
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy598.01.0034
San Francisco Bay Medium690.50.8690
Predominantly Reaching548.41.0941
Predominantly Reaching Low674.90.8890
Predominantly Reaching Medium543.21.1046
Predominantly Reaching High482.91.2426
Windward/Leeward 60-40 Low942.10.6369
Windward/Leeward 60-40 Medium716.90.8369
Windward/Leeward 60-40 High639.20.9387
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1029.50.5828
5-Band Low / Medium863.20.6951
5-Band Medium691.90.8672
5-Band Medium / High623.10.9629
5-Band High589.91.0171
ORC Ref  04560002KEHIssued on 03/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Liberty

255

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPearson 39-2 CBMeasurement06/11/2009HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.930Max. Beam3.754Draft2.761Displacement9,249Wetted area30.71IMS L10.066LSM09.983Acc. length11.930Sink (kg/mm) 22.21
VCGD0.069VCGM0.082RM Rated (kg·m) 164.6Limit of positive stability(°) N/AStability IndexN/A
Centerboard weight75.0
PROPELLER
Propeller TypeEnter PIPA directly
Hydro generatorNo
PIPA0.0260
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P13.820IG15.030ISP15.030MDT10.125MDL10.220MDT20.125MDL20.195TL1.750MW0.195GO0.205
E5.060J4.572BAS1.685FSDSFJ0.100SPL0.000WPLTPS4.570BD0.300MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered165.9Flotation Date11/06/2009MeasurerComment
SFFP0.766FFMFF1.312LCFcl6.805SG1.0200
SAFP11.070FAMFA1.068LCFsh7.066HBI1.052
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002KEHIssued on 03/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Liberty

255

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.211.121.933.294.3042.08
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.000.891.783.555.327.0914.92NoNo 53.06
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment015.6714.1814.938.238.26100%102.44
ORC Ref  04560002KEHIssued on 03/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org