Club
Certificate
2023

Boat

TANGO IN BLUE

USA 50593

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°38.8°36.9°35.8°35.2°35.0°35.0°
Beat VMG4.445.235.595.785.915.996.06
52°6.657.467.777.948.068.168.27
60°6.937.657.978.168.308.418.55
75°7.097.778.188.478.678.839.06
90°6.947.718.198.618.969.249.67
110°6.387.558.198.739.209.5810.31
120°6.157.388.078.689.319.9911.12
135°5.466.797.648.218.829.5111.38
150°4.565.766.827.608.158.7110.09
Run VMG3.954.995.916.687.317.878.89
Gybe Angles140.3°145.1°151.1°156.8°167.6°176.3°174.8°

APH: 489.9

CDL: 11.050

GPH: 545.6

CertNo: US5059

BOAT
ClassCM 1200DesignerNelson MarekBuilderCarrollAge date06/1995Series date01/1995Offset fileUS30599.OFFData fileUSA 50593
HULL
Length Overall12.043 mMaximum Beam3.383 mDraft2.579 mDisplacement4,569 kgDLR4.6183IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.409m
CREW
Maximum weight864 kgMinimum weight648 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.7852.93Headsail Luffed50.2150.21Headsail FlyingSymmetric99.2799.27Asymmetric92.7992.79 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.28Storm Jib11.06Heavy Weather Jib29.84
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  04560002QA2Issued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

TANGO IN BLUE

USA 50593

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 VMG811.4688.5644.4622.3609.0600.5594.2
52°541.5482.5463.5453.3446.5441.4435.6
60°519.6470.6451.4441.0433.6428.1421.0
75°508.1463.4440.2425.1415.3407.9397.5
90°518.6466.7439.6418.3401.6389.5372.2
110°564.6477.0439.6412.5391.2375.7349.2
120°585.6487.5446.0414.9386.6360.4323.9
135°659.6530.4471.5438.6408.3378.5316.4
150°790.2624.6527.5473.7441.6413.3356.8
Run VMG912.4721.2608.8538.9492.2457.4404.8
Selected Courses
Windward / Leeward861.9704.9626.6580.6550.6529.0499.5
All purpose662.1556.9507.6477.9457.1440.8414.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward601.10.9982
All purpose489.91.2247
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9190
Downwind "popa"1.0155
70% up, 30% down "Ilhabela"0.9460
30% up, 70% down "Ilhabela-inverso"0.9845
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Predominantly Upwind523.01.1473
Predominantly Downwind504.51.1893
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low609.50.9844
Triple Number All Purpose Medium489.21.2265
Triple Number All Purpose High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Predominantly Upwind523.01.1473
Predominantly Downwind504.51.1893
Predominantly Upwind Low654.30.9170
Predominantly Upwind Medium538.11.1150
Predominantly Upwind High507.61.1820
Predominantly Downwind Low690.20.8693
Predominantly Downwind Medium508.31.1805
Predominantly Downwind High415.51.4440
Chicago-Mac Upwind1.1291
Chicago-Mac All Purpose1.1470
Chicago-Mac Downwind1.1680
Bayview-Mac Cove Island1.0852
Bayview-Mac Shore1.1001
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching466.51.2863
Predominantly Reaching Low556.91.0774
Predominantly Reaching Medium465.51.2888
Predominantly Reaching High406.01.4777
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low849.80.7060
5-Band Low / Medium722.50.8304
5-Band Medium589.31.0182
5-Band Medium / High532.01.1278
5-Band High504.61.1891
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance532.0
Triple Number Coastal/Long Distance Low609.5
Triple Number Coastal/Long Distance Medium489.2
Triple Number Coastal/Long Distance High435.1
Triple Number Windward/Leeward Low783.4
Triple Number Windward/Leeward Medium598.8
Triple Number Windward/Leeward High523.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2265
Triple Number Coastal/Long Distance High1.3789
Triple Number Windward/Leeward Low0.7659
Triple Number Windward/Leeward Medium1.0020
Triple Number Windward/Leeward High1.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low609.5
Triple Number Coastal/Long Distance Medium489.2
Triple Number Coastal/Long Distance High435.1
Triple Number Windward/Leeward Low783.4
Triple Number Windward/Leeward Medium598.8
Triple Number Windward/Leeward High523.3
Predominantly Upwind523.0
Predominantly Downwind504.5
Predominantly Reaching479.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2265
Triple Number Coastal/Long Distance High1.3789
Triple Number Windward/Leeward Low0.7659
Triple Number Windward/Leeward Medium1.0020
Triple Number Windward/Leeward High1.1465
Coastal/Long Distance1.1279
Predominantly Upwind1.1473
Predominantly Downwind1.1893
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9844
Tretall Distanseseilas Mellomvind1.2265
Tretall Distanseseilas Mye vind1.3789
Tretall Pølsebane Lite vind0.7659
Tretall Pølsebane Mellomvind1.0020
Tretall Pølsebane Mye vind1.1465
Distanseseilas ett tall (OSN 8-16kn)1.1279
Distanseseilas ett tall (APH 6-20kn)1.2247
Enkeltall Motvind1.1473
Enkeltall Medvind1.1893
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Coastal/Long Distance532.01.1279
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind523.01.1473
Predominantly Downwind504.51.1893
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore508.31.1804
Cape Doctor Coastal422.61.4198
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2265
Triple Number Coastal/Long Distance High1.3789
Triple Number Windward/Leeward Low0.7659
Triple Number Windward/Leeward Medium1.0020
Triple Number Windward/Leeward High1.1465
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9844
Triple Number Coastal/Long Distance Medium1.2265
Triple Number Coastal/Long Distance High1.3789
Triple Number Windward/Leeward Low0.7659
Triple Number Windward/Leeward Medium1.0020
Triple Number Windward/Leeward High1.1465
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Predominantly Upwind523.01.1473
Predominantly Downwind504.51.1893
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance532.01.1279
Triple Number Coastal/Long Distance Low609.50.9844
Triple Number Coastal/Long Distance Medium489.21.2265
Triple Number Coastal/Long Distance High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9666.4568.4508.8473.8444.0396.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low609.50.9844
Triple Number All Purpose Medium489.21.2265
Triple Number All Purpose High435.11.3789
Triple Number Windward/Leeward Low783.40.7659
Triple Number Windward/Leeward Medium598.81.0020
Triple Number Windward/Leeward High523.31.1465
Predominantly Upwind523.01.1473
Predominantly Downwind504.51.1893
Predominantly Upwind Low654.30.9170
Predominantly Upwind Medium538.11.1150
Predominantly Upwind High507.61.1820
Predominantly Downwind Low690.20.8693
Predominantly Downwind Medium508.31.1805
Predominantly Downwind High415.51.4440
Chicago-Mac Upwind1.1291
Chicago-Mac All Purpose1.1470
Chicago-Mac Downwind1.1680
Bayview-Mac Cove Island1.0852
Bayview-Mac Shore1.1001
Harvest Moon Regatta424.91.4120
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy509.41.1780
San Francisco Bay Medium587.71.0209
Predominantly Reaching466.51.2863
Predominantly Reaching Low556.91.0774
Predominantly Reaching Medium465.51.2888
Predominantly Reaching High406.01.4777
Windward/Leeward 60-40 Low776.70.7725
Windward/Leeward 60-40 Medium610.10.9835
Windward/Leeward 60-40 High549.51.0919
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low849.80.7060
5-Band Low / Medium722.50.8304
5-Band Medium589.31.0182
5-Band Medium / High532.01.1278
5-Band High504.61.1891
ORC Ref  04560002QA2Issued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

TANGO IN BLUE

USA 50593

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCM 1200MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA12.043Max. Beam3.383Draft2.579Displacement4,569Wetted area25.38IMS L10.583LSM09.963Acc. length10.996Sink (kg/mm) 18.64
VCGD-0.364VCGM-0.394RM Rated (kg·m) 139.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.409PBW0.110PIPA0.0034
EDL0.890ST10.040ST20.180
ST30.180ST40.113ST50.266
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders3Rotating mastNo
P15.393IG14.771ISP15.728MDT10.113MDL10.189MDT20.086MDL20.119TL2.575MW0.177GO0.205
E5.670J4.338BAS1.695FSD0.034SFJSPL4.571WPLTPSBD0.174MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered138.9Flotation Date19/05/2019MeasurerComment
SFFP0.078FFMFF1.270LCFcl6.368SG1.0000
SAFP11.470FAMFA0.956LCFsh6.578HBI1.122
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002QA2Issued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

TANGO IN BLUE

USA 50593

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.151.192.133.644.7551.78from ORR
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.801.603.234.976.7315.20NoNo 50.2106/04/2017OUS121741-001
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment014.8214.8214.828.117.7599.27from ORR
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA316.5114.8915.707.007.4694%92.7906/04/2017OUS121741-002
ORC Ref  04560002QA2Issued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org