Club
Certificate
Non Spinnaker
2023

Boat

BLUE DAWN

NOR 10854

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 Angles44.2°42.4°41.2°39.9°39.3°38.8°38.7°
Beat VMG3.604.445.075.485.685.795.88
52°5.596.727.487.918.148.268.36
60°5.957.047.748.148.378.508.63
75°6.217.277.938.328.598.809.05
90°6.067.197.918.358.668.939.38
110°5.356.547.518.148.568.919.57
120°4.976.247.247.968.438.809.49
135°4.325.566.597.438.048.479.16
150°3.634.775.806.687.448.028.77
Run VMG3.144.135.035.856.617.308.30
Gybe Angles144.8°149.3°153.8°159.2°166.4°173.0°179.0°

APH: 535.1

CDL: 11.587

GPH: 608.7

CertNo: 8447

BOAT
ClassFIRST 47.7 CRUISINDesignerBRUCE FARRBuilderBeneteauAge dateSeries date01/2000Offset fileF191.OFFData file8447
HULL
Length Overall14.500 mMaximum Beam4.512 mDraft2.289 mDisplacement12,074 kgDLR6.0703IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight954 kgMinimum weight716 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail58.0559.16Headsail Luffed56.7956.79Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail18.08Storm Jib14.21Heavy Weather Jib38.36
SAIL LIMITS
Headsails6  Spinnakers0 * 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  03440002OASIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

BLUE DAWN

NOR 10854

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 VMG1001.1810.6709.8656.7634.1621.8612.7
52°644.2535.5481.4454.9442.1436.0430.4
60°604.8511.1465.3442.4430.0423.6417.3
75°580.0495.2454.1432.6418.9409.0397.9
90°593.7500.9455.0431.1415.5403.0383.9
110°673.5550.1479.3442.1420.4404.0376.2
120°724.8577.3497.2452.3427.1409.3379.2
135°833.6647.5546.5484.5447.7425.2393.0
150°991.9754.2621.2538.6483.8449.0410.3
Run VMG1145.3870.9715.1615.1544.7493.4433.8
Selected Courses
Windward / Leeward1073.2840.8712.4635.9589.4557.6523.2
All purpose808.3647.3560.5510.8481.7462.6439.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward670.80.8945
All purpose535.11.1213
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8322
Downwind "popa"0.8717
70% up, 30% down "Ilhabela"0.8437
30% up, 70% down "Ilhabela-inverso"0.8595
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Predominantly Upwind565.71.0606
Predominantly Downwind566.61.0590
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low727.80.8244
Triple Number All Purpose Medium531.51.1289
Triple Number All Purpose High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Predominantly Upwind565.71.0606
Predominantly Downwind566.61.0590
Predominantly Upwind Low782.70.7666
Predominantly Upwind Medium571.51.0499
Predominantly Upwind High520.71.1522
Predominantly Downwind Low840.90.7135
Predominantly Downwind Medium573.81.0457
Predominantly Downwind High453.81.3223
Chicago-Mac Upwind1.0387
Chicago-Mac All Purpose1.0351
Chicago-Mac Downwind1.0345
Bayview-Mac Cove Island0.9547
Bayview-Mac Shore0.9781
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching506.71.1842
Predominantly Reaching Low657.50.9126
Predominantly Reaching Medium506.01.1857
Predominantly Reaching High431.21.3916
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1055.30.5686
5-Band Low / Medium862.90.6954
5-Band Medium651.40.9211
5-Band Medium / High563.81.0643
5-Band High529.21.1339
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance588.2
Triple Number Coastal/Long Distance Low727.8
Triple Number Coastal/Long Distance Medium531.5
Triple Number Coastal/Long Distance High458.9
Triple Number Windward/Leeward Low956.9
Triple Number Windward/Leeward Medium666.9
Triple Number Windward/Leeward High552.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.1289
Triple Number Coastal/Long Distance High1.3075
Triple Number Windward/Leeward Low0.6270
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low727.8
Triple Number Coastal/Long Distance Medium531.5
Triple Number Coastal/Long Distance High458.9
Triple Number Windward/Leeward Low956.9
Triple Number Windward/Leeward Medium666.9
Triple Number Windward/Leeward High552.6
Predominantly Upwind565.7
Predominantly Downwind566.6
Predominantly Reaching529.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.1289
Triple Number Coastal/Long Distance High1.3075
Triple Number Windward/Leeward Low0.6270
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0857
Coastal/Long Distance1.0201
Predominantly Upwind1.0606
Predominantly Downwind1.0590
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8244
Tretall Distanseseilas Mellomvind1.1289
Tretall Distanseseilas Mye vind1.3075
Tretall Pølsebane Lite vind0.6270
Tretall Pølsebane Mellomvind0.8997
Tretall Pølsebane Mye vind1.0857
Distanseseilas ett tall (OSN 8-16kn)1.0201
Distanseseilas ett tall (APH 6-20kn)1.1213
Enkeltall Motvind1.0606
Enkeltall Medvind1.0590
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Coastal/Long Distance588.21.0201
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind565.71.0606
Predominantly Downwind566.61.0590
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore533.51.1246
Cape Doctor Coastal446.71.3432
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.1289
Triple Number Coastal/Long Distance High1.3075
Triple Number Windward/Leeward Low0.6270
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0857
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8244
Triple Number Coastal/Long Distance Medium1.1289
Triple Number Coastal/Long Distance High1.3075
Triple Number Windward/Leeward Low0.6270
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0857
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Predominantly Upwind565.71.0606
Predominantly Downwind566.61.0590
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low727.80.8244
Triple Number Coastal/Long Distance Medium531.51.1289
Triple Number Coastal/Long Distance High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1080.4789.8637.6547.4501.1468.1421.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low727.80.8244
Triple Number All Purpose Medium531.51.1289
Triple Number All Purpose High458.91.3075
Triple Number Windward/Leeward Low956.90.6270
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High552.61.0857
Predominantly Upwind565.71.0606
Predominantly Downwind566.61.0590
Predominantly Upwind Low782.70.7666
Predominantly Upwind Medium571.51.0499
Predominantly Upwind High520.71.1522
Predominantly Downwind Low840.90.7135
Predominantly Downwind Medium573.81.0457
Predominantly Downwind High453.81.3223
Chicago-Mac Upwind1.0387
Chicago-Mac All Purpose1.0351
Chicago-Mac Downwind1.0345
Bayview-Mac Cove Island0.9547
Bayview-Mac Shore0.9781
Harvest Moon Regatta459.81.3050
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy541.91.1072
San Francisco Bay Medium658.90.9106
Predominantly Reaching506.71.1842
Predominantly Reaching Low657.50.9126
Predominantly Reaching Medium506.01.1857
Predominantly Reaching High431.21.3916
Windward/Leeward 60-40 Low946.80.6337
Windward/Leeward 60-40 Medium672.00.8929
Windward/Leeward 60-40 High576.01.0416
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1055.30.5686
5-Band Low / Medium862.90.6954
5-Band Medium651.40.9211
5-Band Medium / High563.81.0643
5-Band High529.21.1339
ORC Ref  03440002OASIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

BLUE DAWN

NOR 10854

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 47.7 CRUISINMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA14.500Max. Beam4.512Draft2.289Displacement12,074Wetted area42.16IMS L12.833LSM012.575Acc. length14.500Sink (kg/mm) 32.27
VCGD0.170VCGM0.202RM Rated (kg·m) 327.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBWPIPA0.0038
EDL1.100ST10.040ST20.140
ST30.140ST40.140ST50.240
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P15.960IG16.760ISP16.960MDT10.140MDL10.270MDT20.140MDL20.200TL1.010MW0.270GO0.300
E6.470J5.300BAS1.910FSDFoilSFJ0.000SPL5.324WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.170Flotation Date01/01/2015MeasurerComment
SFFP0.520FFMFF1.590LCFcl7.880SG1.0250
SAFP13.746FAMFA1.300LCFsh8.188HBI1.425
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002OASIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

BLUE DAWN

NOR 10854

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment152-2004052420300.160.002.103.755.1458.0524/05/2004
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment152-2004052421000.000.001.753.575.557.2915.53NoNo 56.7924/05/2004454-2016081120050.040.621.232.473.705.0916.36NoNo 40.8211/08/2016
ORC Ref  03440002OASIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org