International
Certificate
2023

Boat

Aurora Borealis

RUS 2675

Novokolomiazhskii av 11-70
St-Petersburg
Russia
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°38.8°37.2°37.0°36.6°36.6°
Beat VMG3.894.795.405.725.875.966.03
52°5.917.067.698.008.178.288.40
60°6.217.317.888.218.438.578.75
75°6.747.718.148.428.779.049.38
90°6.947.908.458.879.179.4410.02
110°6.687.798.429.029.6310.2611.37
120°6.337.648.359.029.6810.3212.00
135°5.657.077.968.629.3210.1512.30
150°4.746.037.137.908.418.9610.63
Run VMG4.115.226.176.857.287.769.20
Gybe Angles142.4°145.1°148.7°151.0°149.2°147.1°143.5°

APH: 486.0

CDL: 11.386

GPH: 545.7

CertNo: 267510

BOAT
ClassELF1180DesignerMataruev/KosorotovBuilderCYC yachtsAge date09.2016Series date04.2015Offset fileELF1220-DV.offData fileRU2675_Aurora
HULL
Length Overall12.200 mMaximum Beam3.818 mDraft2.629 mDisplacement5 595 kgDLR3.8459IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.260%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight730 kgMinimum weight548 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.8250.82Headsail Luffed33.3333.33Headsail FlyingSymmetricAsymmetric139.65139.65 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail14.66Storm Jib11.09Heavy Weather Jib29.94
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment188.6 kg·mStability Index133.9
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.

International
Certificate
2023

Boat

Aurora Borealis

RUS 2675

Novokolomiazhskii av 11-70
St-Petersburg
Russia
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG925.5752.2666.2629.0613.2604.0596.6
52°609.7510.1467.9449.9440.9435.0428.6
60°579.6492.6456.9438.5426.9419.8411.5
75°534.2466.8442.2427.6410.5398.0383.9
90°519.0455.6426.1405.7392.6381.3359.4
110°539.0462.3427.7399.0373.8350.7316.6
120°568.8471.3431.0399.3371.8349.0299.9
135°637.4509.3452.2417.9386.4354.8292.8
150°759.4597.5505.2455.7428.0401.7338.7
Run VMG876.9689.9583.3525.7494.2463.9391.1
Selected Courses
Windward / Leeward901.2721.1624.8577.4553.7533.9493.8
All purpose685.7563.1503.2470.7450.6433.4402.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward604.10.9931
All purpose486.01.2345
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8775
Downwind "popa"1.0435
70% up, 30% down "Ilhabela"0.9214
30% up, 70% down "Ilhabela-inverso"0.9874
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Predominantly Upwind526.81.1389
Predominantly Downwind493.81.2150
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low624.40.9609
Triple Number All Purpose Medium484.21.2391
Triple Number All Purpose High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Predominantly Upwind526.81.1389
Predominantly Downwind493.81.2150
Predominantly Upwind Low700.00.8571
Predominantly Upwind Medium544.21.1026
Predominantly Upwind High504.91.1883
Predominantly Downwind Low683.00.8785
Predominantly Downwind Medium492.81.2175
Predominantly Downwind High405.51.4795
Chicago-Mac Upwind1.1191
Chicago-Mac All Purpose1.1544
Chicago-Mac Downwind1.1946
Bayview-Mac Cove Island1.0708
Bayview-Mac Shore1.0800
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching457.91.3104
Predominantly Reaching Low559.51.0724
Predominantly Reaching Medium455.01.3186
Predominantly Reaching High393.51.5247
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low887.30.6762
5-Band Low / Medium740.00.8109
5-Band Medium589.61.0176
5-Band Medium / High534.11.1233
5-Band High500.81.1981
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance530.1
Triple Number Coastal/Long Distance Low624.4
Triple Number Coastal/Long Distance Medium484.2
Triple Number Coastal/Long Distance High425.9
Triple Number Windward/Leeward Low811.1
Triple Number Windward/Leeward Medium599.2
Triple Number Windward/Leeward High523.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9609
Triple Number Coastal/Long Distance Medium1.2391
Triple Number Coastal/Long Distance High1.4088
Triple Number Windward/Leeward Low0.7397
Triple Number Windward/Leeward Medium1.0013
Triple Number Windward/Leeward High1.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low624.4
Triple Number Coastal/Long Distance Medium484.2
Triple Number Coastal/Long Distance High425.9
Triple Number Windward/Leeward Low811.1
Triple Number Windward/Leeward Medium599.2
Triple Number Windward/Leeward High523.8
Predominantly Upwind526.8
Predominantly Downwind493.8
Predominantly Reaching469.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9609
Triple Number Coastal/Long Distance Medium1.2391
Triple Number Coastal/Long Distance High1.4088
Triple Number Windward/Leeward Low0.7397
Triple Number Windward/Leeward Medium1.0013
Triple Number Windward/Leeward High1.1454
Coastal/Long Distance1.1318
Predominantly Upwind1.1389
Predominantly Downwind1.2150
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9609
Tretall Distanseseilas Mellomvind1.2391
Tretall Distanseseilas Mye vind1.4088
Tretall Pølsebane Lite vind0.7397
Tretall Pølsebane Mellomvind1.0013
Tretall Pølsebane Mye vind1.1454
Distanseseilas ett tall (OSN 8-16kn)1.1318
Distanseseilas ett tall (APH 6-20kn)1.2345
Enkeltall Motvind1.1389
Enkeltall Medvind1.2150
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Coastal/Long Distance530.11.1318
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind526.81.1389
Predominantly Downwind493.81.2150
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore505.91.1861
Cape Doctor Coastal411.41.4585
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9609
Triple Number Coastal/Long Distance Medium1.2391
Triple Number Coastal/Long Distance High1.4088
Triple Number Windward/Leeward Low0.7397
Triple Number Windward/Leeward Medium1.0013
Triple Number Windward/Leeward High1.1454
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9609
Triple Number Coastal/Long Distance Medium1.2391
Triple Number Coastal/Long Distance High1.4088
Triple Number Windward/Leeward Low0.7397
Triple Number Windward/Leeward Medium1.0013
Triple Number Windward/Leeward High1.1454
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Predominantly Upwind526.81.1389
Predominantly Downwind493.81.2150
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance530.11.1318
Triple Number Coastal/Long Distance Low624.40.9609
Triple Number Coastal/Long Distance Medium484.21.2391
Triple Number Coastal/Long Distance High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.7677.7564.9502.2468.1438.4382.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low624.40.9609
Triple Number All Purpose Medium484.21.2391
Triple Number All Purpose High425.91.4088
Triple Number Windward/Leeward Low811.10.7397
Triple Number Windward/Leeward Medium599.21.0013
Triple Number Windward/Leeward High523.81.1454
Predominantly Upwind526.81.1389
Predominantly Downwind493.81.2150
Predominantly Upwind Low700.00.8571
Predominantly Upwind Medium544.21.1026
Predominantly Upwind High504.91.1883
Predominantly Downwind Low683.00.8785
Predominantly Downwind Medium492.81.2175
Predominantly Downwind High405.51.4795
Chicago-Mac Upwind1.1191
Chicago-Mac All Purpose1.1544
Chicago-Mac Downwind1.1946
Bayview-Mac Cove Island1.0708
Bayview-Mac Shore1.0800
Harvest Moon Regatta416.41.4408
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy506.11.1855
San Francisco Bay Medium589.21.0183
Predominantly Reaching457.91.3104
Predominantly Reaching Low559.51.0724
Predominantly Reaching Medium455.01.3186
Predominantly Reaching High393.51.5247
Windward/Leeward 60-40 Low816.60.7347
Windward/Leeward 60-40 Medium615.80.9744
Windward/Leeward 60-40 High550.91.0891
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low887.30.6762
5-Band Low / Medium740.00.8109
5-Band Medium589.61.0176
5-Band Medium / High534.11.1233
5-Band High500.81.1981

International
Certificate
2023

Boat

Aurora Borealis

RUS 2675

Novokolomiazhskii av 11-70
St-Petersburg
Russia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassELF1180Measurement29.07.2016HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.200Max. Beam3.818Draft2.629Displacement5 595Wetted area29.77IMS L11.501LSM011.330Acc. length12.200Sink (kg/mm) 21.70
VCGD-0.508VCGM-0.496RM Rated (kg·m) 188.6Limit of positive stability(°) 135.2Stability Index133.9
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBW0.120PIPA0.0033
EDL2.620ST10.065ST20.180
ST30.180ST40.110ST50.110
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.450IG14.815ISP17.555MDT10.111MDL10.216MDT20.111MDL20.210TL2.640MW0.216GO0.237
E5.420J4.100BAS1.880FSD0.040SFJ0.400SPLWPLTPS5.600BDMWT160.00MCG5.725
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16.06.2017MeasurerRUS 209CommentEmpty boat. No matresses nor soft lining
SFFP0.500FFM1.290FF1.297LCFcl6.873SG1.0000
SAFP11.800FAM1.004FA1.012LCFsh7.111HBI1.125
W1129.3W2129.3W3129.3W4129.3
PD1190.0PD2190.0PD3190.0PD4190.0
WD10.370PLM1530.00GSA64.0RSA24025.0RM188.5
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGFFuel fixed, plastic At CL under cokpit sole0.900080259.170.07WWater Fixed plastic flexible plastic tank15004.320.00Total deductible239.170.07
OTHER ITEMSIdKindDescriptionWeightLCGVCGSMiscellaneousCooking stove 2-burns SB aft of blkh34.801.00B1BatteryVarta Silver Dynamics G14 95 AH266.72-0.20B2BatteryExide Start-Stop EK 950 95 AH266.72-0.20EEngineVolvo Penta D1-30 Sail driveA1AnchorDanfort 15 kg in the aft peak011.200.30Ch1Chainrope d14 l50 6 kg011.200.30Total deductible0

International
Certificate
2023

Boat

Aurora Borealis

RUS 2675

Novokolomiazhskii av 11-70
St-Petersburg
Russia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM20.201.132.033.504.5549.8212.05.2018OUK4015145-0010.111.112.023.514.5749.7828.11.2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentOUK4015145-0040.100.771.402.383.294.3514.42YesNo 33.3323.11.2019J1ODK 105903-0020.100.721.342.353.304.4014.42YesNo 33.1509.11.2017J2-210.130.741.362.363.304.3614.34YesNo 33.0124.06.2021HeavyH20.050.490.972.053.324.4414.17YesNo 30.4812.05.2018OUK-4015145-0030.100.541.011.982.953.9012.57YesNo 24.8923.11.2019J4OSRHeavyH30.080.510.941.872.803.6811.56YesNo 21.6112.05.2018OSR Heavy
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentODK 105903-00118.8015.9617.389.719.37104%139.6521.10.2017A2OUK4015145-00219.0316.0117.529.599.46101%139.6304.11.2019A1.5A2-2118.7115.9017.319.709.31104%138.7624.06.2021OUK 4011685-00115.9614.4215.197.459.4979%99.4720.10.2018A5OUK 4011685-00117.6216.4417.035.947.9275%89.9225.10.2018A0