Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 660

Norges Seilforbund
Sognsveien 73
0854 OSLO
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°38.2°37.6°37.5°37.5°38.2°
Beat VMG3.293.994.444.594.654.684.64
52°4.995.836.246.396.476.526.55
60°5.236.006.386.576.676.746.80
75°5.366.116.516.806.997.117.26
90°5.256.066.516.887.197.457.80
110°4.715.716.326.767.197.628.57
120°4.435.466.156.597.027.468.54
135°3.864.895.726.276.687.098.00
150°3.274.225.065.746.236.607.33
Run VMG2.833.674.525.275.906.357.09
Gybe Angles145.3°173.0°176.6°178.4°178.4°179.3°179.3°

APH: 630.9

CDL: 7.216

GPH: 710.0

CertNo: 8551

BOAT
ClassJ-80 ODDesignerJOHNSTONEBuilderJ/compositesAge date01/2004Series date01/1995Offset filej80.od+.offData file8551
HULL
Length Overall8.032 mMaximum Beam2.488 mDraft1.497 mDisplacement1,437 kgDLR4.5633IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight397 kgMinimum weight298 kg * when appliedNon Manual PowerNoCrew Arm Extension-0.20 m
SAIL AREAS (m²)
MeasuredRatedMainsail20.9121.53Headsail Luffed13.9813.98Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.10Storm Jib4.58Heavy Weather Jib12.35
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
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  03440002LJEIssued on 12/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 660

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1093.1901.4811.5784.9774.5769.9775.7
52°721.9618.0577.1563.0556.3552.4550.0
60°688.8599.9564.1547.6539.7534.4529.6
75°671.3589.1553.1529.7515.1506.3496.1
90°685.6593.8552.6523.4500.5483.2461.3
110°764.5630.7569.8532.9500.7472.4420.0
120°812.5659.9585.5545.9512.8482.3421.4
135°933.6735.7629.9574.0539.0508.0450.3
150°1101.4853.9712.1626.7577.6545.8491.2
Run VMG1271.8979.8797.0682.6609.9567.2507.7
Selected Courses
Windward / Leeward1182.4940.6804.2733.8692.2668.5641.7
All purpose902.3737.2652.3608.2580.9562.0534.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward771.50.7777
All purpose630.90.9511
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7106
Downwind "popa"0.7755
70% up, 30% down "Ilhabela"0.7289
30% up, 70% down "Ilhabela-inverso"0.7548
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Predominantly Upwind669.20.8966
Predominantly Downwind656.30.9142
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low819.80.7319
Triple Number All Purpose Medium626.80.9572
Triple Number All Purpose High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Predominantly Upwind669.20.8966
Predominantly Downwind656.30.9142
Predominantly Upwind Low874.00.6865
Predominantly Upwind Medium679.30.8833
Predominantly Upwind High646.70.9278
Predominantly Downwind Low943.60.6359
Predominantly Downwind Medium658.10.9117
Predominantly Downwind High531.51.1289
Chicago-Mac Upwind0.8825
Chicago-Mac All Purpose0.8890
Chicago-Mac Downwind0.8968
Bayview-Mac Cove Island0.8302
Bayview-Mac Shore0.8467
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching599.81.0004
Predominantly Reaching Low748.90.8012
Predominantly Reaching Medium598.51.0024
Predominantly Reaching High521.11.1514
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1163.80.5155
5-Band Low / Medium963.50.6227
5-Band Medium750.20.7998
5-Band Medium / High673.40.8909
5-Band High646.30.9283
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance688.2
Triple Number Coastal/Long Distance Low819.8
Triple Number Coastal/Long Distance Medium626.8
Triple Number Coastal/Long Distance High556.4
Triple Number Windward/Leeward Low1061.6
Triple Number Windward/Leeward Medium764.1
Triple Number Windward/Leeward High664.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7319
Triple Number Coastal/Long Distance Medium0.9572
Triple Number Coastal/Long Distance High1.0784
Triple Number Windward/Leeward Low0.5652
Triple Number Windward/Leeward Medium0.7852
Triple Number Windward/Leeward High0.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low819.8
Triple Number Coastal/Long Distance Medium626.8
Triple Number Coastal/Long Distance High556.4
Triple Number Windward/Leeward Low1061.6
Triple Number Windward/Leeward Medium764.1
Triple Number Windward/Leeward High664.4
Predominantly Upwind669.2
Predominantly Downwind656.3
Predominantly Reaching620.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7319
Triple Number Coastal/Long Distance Medium0.9572
Triple Number Coastal/Long Distance High1.0784
Triple Number Windward/Leeward Low0.5652
Triple Number Windward/Leeward Medium0.7852
Triple Number Windward/Leeward High0.9031
Coastal/Long Distance0.8719
Predominantly Upwind0.8966
Predominantly Downwind0.9142
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7319
Tretall Distanseseilas Mellomvind0.9572
Tretall Distanseseilas Mye vind1.0784
Tretall Pølsebane Lite vind0.5652
Tretall Pølsebane Mellomvind0.7852
Tretall Pølsebane Mye vind0.9031
Distanseseilas ett tall (OSN 8-16kn)0.8719
Distanseseilas ett tall (APH 6-20kn)0.9511
Enkeltall Motvind0.8966
Enkeltall Medvind0.9142
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Coastal/Long Distance688.20.8719
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind669.20.8966
Predominantly Downwind656.30.9142
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore649.70.9235
Cape Doctor Coastal542.71.1055
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7319
Triple Number Coastal/Long Distance Medium0.9572
Triple Number Coastal/Long Distance High1.0784
Triple Number Windward/Leeward Low0.5652
Triple Number Windward/Leeward Medium0.7852
Triple Number Windward/Leeward High0.9031
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7319
Triple Number Coastal/Long Distance Medium0.9572
Triple Number Coastal/Long Distance High1.0784
Triple Number Windward/Leeward Low0.5652
Triple Number Windward/Leeward Medium0.7852
Triple Number Windward/Leeward High0.9031
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Predominantly Upwind669.20.8966
Predominantly Downwind656.30.9142
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.20.8719
Triple Number Coastal/Long Distance Low819.80.7319
Triple Number Coastal/Long Distance Medium626.80.9572
Triple Number Coastal/Long Distance High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1191.4887.8730.8648.3603.2568.4507.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low819.80.7319
Triple Number All Purpose Medium626.80.9572
Triple Number All Purpose High556.41.0784
Triple Number Windward/Leeward Low1061.60.5652
Triple Number Windward/Leeward Medium764.10.7852
Triple Number Windward/Leeward High664.40.9031
Predominantly Upwind669.20.8966
Predominantly Downwind656.30.9142
Predominantly Upwind Low874.00.6865
Predominantly Upwind Medium679.30.8833
Predominantly Upwind High646.70.9278
Predominantly Downwind Low943.60.6359
Predominantly Downwind Medium658.10.9117
Predominantly Downwind High531.51.1289
Chicago-Mac Upwind0.8825
Chicago-Mac All Purpose0.8890
Chicago-Mac Downwind0.8968
Bayview-Mac Cove Island0.8302
Bayview-Mac Shore0.8467
Harvest Moon Regatta546.71.0976
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy655.20.9157
San Francisco Bay Medium761.40.7881
Predominantly Reaching599.81.0004
Predominantly Reaching Low748.90.8012
Predominantly Reaching Medium598.51.0024
Predominantly Reaching High521.11.1514
Windward/Leeward 60-40 Low1048.60.5722
Windward/Leeward 60-40 Medium776.70.7725
Windward/Leeward 60-40 High701.40.8554
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1163.80.5155
5-Band Low / Medium963.50.6227
5-Band Medium750.20.7998
5-Band Medium / High673.40.8909
5-Band High646.30.9283
ORC Ref  03440002LJEIssued on 12/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 660

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-80 ODMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.032Max. Beam2.488Draft1.497Displacement1,437Wetted area11.80IMS L7.193LSM06.802Acc. length8.032Sink (kg/mm) 9.00
VCGD-0.154VCGM-0.081RM Rated (kg·m) 27.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P9.144IG9.563ISP10.073MDT10.082MDL10.133MDT20.063MDL20.104TL0.380MW0.133GO0.133
E3.810J2.895BAS1.300FSD0.027SFJ0.000SPLWPLTPS4.800BD0.094MWT33.10MCG3.210
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date06/03/2020MeasurerComment
SFFP0.177FFMFF0.877LCFcl4.258SG1.0250
SAFP8.015FAMFA0.627LCFsh4.434HBI0.739
W123.0W223.0W323.0W423.0
PD1524.7PD2524.3PD3525.0PD4524.9
WD7.850PLM9000.00GSA1.0RSA1.0RM27.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGAEngineOUTBOARD ENGINE MINIMUM 12.5 KgTotal deductible
ORC Ref  03440002LJEIssued on 12/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 660

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.160.791.452.483.2420.91* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.081.482.959.30YesNo 13.98* Copied from legacy *
ORC Ref  03440002LJEIssued on 12/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org