International
Certificate
2023

Boat

MC2

USA 45777

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°39.0°37.8°36.6°36.1°35.7°35.4°
Beat VMG4.955.766.166.406.566.676.77
52°7.458.348.708.929.089.209.35
60°7.828.628.979.209.389.539.72
75°8.058.849.309.619.8510.0510.35
90°7.938.809.349.8410.2310.5411.06
110°7.688.769.4610.0910.6211.0812.01
120°7.288.529.279.9910.7411.5212.89
135°6.367.888.839.6010.4211.3913.57
150°5.326.737.888.729.4110.1512.12
Run VMG4.615.836.827.608.268.8710.49
Gybe Angles141.7°144.8°148.7°154.1°159.5°159.2°146.9°

APH: 431.3

CDL: 13.737

GPH: 479.5

CertNo: US7247

BOAT
ClassR/P 50DesignerREICHEL/PUGHBuilderCONCORDIAAge date10/1994Series date10/1994Offset fileUS30562.OFFData fileUSA45777
HULL
Length Overall15.344 mMaximum Beam4.322 mDraft3.226 mDisplacement8,045 kgDLR3.8475IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.412m
CREW
Maximum weight1,008 kgMinimum weight756 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail90.3592.84Headsail Luffed72.2472.24Headsail FlyingSymmetric196.70196.70Asymmetric195.25195.25 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail25.81Storm Jib17.16Heavy Weather Jib46.32
SAIL LIMITS
Headsails7  Spinnakers5 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment329.3 kg·mStability Index137.2
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  04560002P56Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MC2

USA 45777

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 VMG727.6625.1584.7562.3548.4539.6532.0
52°482.9431.4413.7403.6396.6391.3385.0
60°460.3417.4401.4391.1383.7377.9370.4
75°447.0407.2387.2374.7365.4358.4347.9
90°454.1409.0385.3365.9352.0341.5325.6
110°469.0411.1380.6356.9339.1324.8299.7
120°494.5422.7388.3360.3335.1312.6279.4
135°565.7456.9407.7375.0345.5316.1265.2
150°676.9534.6457.0412.7382.7354.7297.1
Run VMG781.6617.3527.8473.5436.0405.7343.1
Selected Courses
Windward / Leeward754.6621.2556.2517.9492.2472.7437.6
All purpose577.0489.4447.9421.8403.0387.5361.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward534.01.1235
All purpose431.31.3910
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"1.0195
Downwind "popa"1.1716
70% up, 30% down "Ilhabela"1.0608
30% up, 70% down "Ilhabela-inverso"1.1214
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Predominantly Upwind464.71.2912
Predominantly Downwind439.71.3644
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low533.21.1253
Triple Number All Purpose Medium431.41.3907
Triple Number All Purpose High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Predominantly Upwind464.71.2912
Predominantly Downwind439.71.3644
Predominantly Upwind Low581.61.0316
Predominantly Upwind Medium482.01.2448
Predominantly Upwind High452.01.3276
Predominantly Downwind Low597.71.0038
Predominantly Downwind Medium442.21.3568
Predominantly Downwind High359.71.6681
Chicago-Mac Upwind1.2699
Chicago-Mac All Purpose1.3026
Chicago-Mac Downwind1.3394
Bayview-Mac Cove Island1.2323
Bayview-Mac Shore1.2449
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching408.11.4702
Predominantly Reaching Low486.41.2336
Predominantly Reaching Medium407.21.4736
Predominantly Reaching High352.61.7014
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low744.30.8061
5-Band Low / Medium636.60.9424
5-Band Medium524.81.1433
5-Band Medium / High473.81.2663
5-Band High443.61.3525
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance469.7
Triple Number Coastal/Long Distance Low533.2
Triple Number Coastal/Long Distance Medium431.4
Triple Number Coastal/Long Distance High381.6
Triple Number Windward/Leeward Low687.9
Triple Number Windward/Leeward Medium532.9
Triple Number Windward/Leeward High464.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1253
Triple Number Coastal/Long Distance Medium1.3907
Triple Number Coastal/Long Distance High1.5722
Triple Number Windward/Leeward Low0.8722
Triple Number Windward/Leeward Medium1.1260
Triple Number Windward/Leeward High1.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low533.2
Triple Number Coastal/Long Distance Medium431.4
Triple Number Coastal/Long Distance High381.6
Triple Number Windward/Leeward Low687.9
Triple Number Windward/Leeward Medium532.9
Triple Number Windward/Leeward High464.4
Predominantly Upwind464.7
Predominantly Downwind439.7
Predominantly Reaching418.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1253
Triple Number Coastal/Long Distance Medium1.3907
Triple Number Coastal/Long Distance High1.5722
Triple Number Windward/Leeward Low0.8722
Triple Number Windward/Leeward Medium1.1260
Triple Number Windward/Leeward High1.2920
Coastal/Long Distance1.2773
Predominantly Upwind1.2912
Predominantly Downwind1.3644
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.1253
Tretall Distanseseilas Mellomvind1.3907
Tretall Distanseseilas Mye vind1.5722
Tretall Pølsebane Lite vind0.8722
Tretall Pølsebane Mellomvind1.1260
Tretall Pølsebane Mye vind1.2920
Distanseseilas ett tall (OSN 8-16kn)1.2773
Distanseseilas ett tall (APH 6-20kn)1.3910
Enkeltall Motvind1.2912
Enkeltall Medvind1.3644
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Coastal/Long Distance469.71.2773
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind464.71.2912
Predominantly Downwind439.71.3644
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore448.11.3390
Cape Doctor Coastal369.31.6247
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1253
Triple Number Coastal/Long Distance Medium1.3907
Triple Number Coastal/Long Distance High1.5722
Triple Number Windward/Leeward Low0.8722
Triple Number Windward/Leeward Medium1.1260
Triple Number Windward/Leeward High1.2920
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1253
Triple Number Coastal/Long Distance Medium1.3907
Triple Number Coastal/Long Distance High1.5722
Triple Number Windward/Leeward Low0.8722
Triple Number Windward/Leeward Medium1.1260
Triple Number Windward/Leeward High1.2920
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Predominantly Upwind464.71.2912
Predominantly Downwind439.71.3644
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance469.71.2773
Triple Number Coastal/Long Distance Low533.21.1253
Triple Number Coastal/Long Distance Medium431.41.3907
Triple Number Coastal/Long Distance High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance757.3586.1503.3450.9418.8391.0344.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low533.21.1253
Triple Number All Purpose Medium431.41.3907
Triple Number All Purpose High381.61.5722
Triple Number Windward/Leeward Low687.90.8722
Triple Number Windward/Leeward Medium532.91.1260
Triple Number Windward/Leeward High464.41.2920
Predominantly Upwind464.71.2912
Predominantly Downwind439.71.3644
Predominantly Upwind Low581.61.0316
Predominantly Upwind Medium482.01.2448
Predominantly Upwind High452.01.3276
Predominantly Downwind Low597.71.0038
Predominantly Downwind Medium442.21.3568
Predominantly Downwind High359.71.6681
Chicago-Mac Upwind1.2699
Chicago-Mac All Purpose1.3026
Chicago-Mac Downwind1.3394
Bayview-Mac Cove Island1.2323
Bayview-Mac Shore1.2449
Harvest Moon Regatta371.21.6162
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy450.31.3324
San Francisco Bay Medium520.81.1520
Predominantly Reaching408.11.4702
Predominantly Reaching Low486.41.2336
Predominantly Reaching Medium407.21.4736
Predominantly Reaching High352.61.7014
Windward/Leeward 60-40 Low685.60.8752
Windward/Leeward 60-40 Medium546.01.0989
Windward/Leeward 60-40 High489.81.2251
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low744.30.8061
5-Band Low / Medium636.60.9424
5-Band Medium524.81.1433
5-Band Medium / High473.81.2663
5-Band High443.61.3525
ORC Ref  04560002P56Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MC2

USA 45777

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassR/P 50Measurement21/05/2021HINPlan reviewHull constructionCarbonCarbon RudderNoLight stanchionsNoTrim tabNo
LOA15.344Max. Beam4.322Draft3.226Displacement8,045Wetted area38.70IMS L13.369LSM012.786Acc. length14.047Sink (kg/mm) 28.41
VCGD-0.532VCGM-0.630RM Rated (kg·m) 329.3Limit of positive stability(°) 136.9Stability Index137.2
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.412PBW0.110PIPA0.0037
EDL1.631ST10.043ST20.180
ST30.180ST40.110ST50.302
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders4Rotating mastNo
P19.770IG18.523ISP21.706MDT10.113MDL10.244MDT20.104MDL20.138TL3.155MW0.244GO0.244
E7.460J5.374BAS1.957FSD0.034SFJ0.186SPL6.397WPLTPS6.319BD0.314MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date22/05/2021MeasurerComment
SFFP1.220FFM1.380FF1.390LCFcl8.118SG1.0000
SAFP14.994FAM1.060FA1.077LCFsh8.381HBI1.291
W1153.9W2153.9W3153.9W4153.9LCFD
PD1269.2PD2269.2PD3269.2PD4269.2
WD7.319PLM9000.00GSA1.0RSA1.0RM329.5
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG1Fixed12 lead ingots bonded port and starbaord side of keel5146.180.00Fixed Ballast Total514
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG0.90001909.220.003black water plastic 65 liter black water holding tank.654.070.002fuel bladder/foam filled Foam filled bladder fuel tank. fuel level undetermined.0.900020016.880.001water bladder 200 liter bladder tank port side under settee20006.880.00Total deductible1729.210.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1BatteryThree batteries on centerline, two group 27 and one group 248.38aAnchor00.00Total deductible0
ORC Ref  04560002P56Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MC2

USA 45777

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment29551730.301.682.985.006.4090.35
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentMed-230.080.941.843.735.727.7618.97NoNo 72.2405/02/2023OUS152386-001
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment295516621.4521.4521.4511.0210.94196.702020_S4(heavy runner)
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA1.523.2520.3021.7810.8910.24106%195.25A222.9319.8721.4010.8011.1597%193.85295515821.4520.8521.158.3411.1075%156.722020 CODE75
ORC Ref  04560002P56Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org