Club
Certificate
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°42.6°41.2°39.9°39.3°38.8°38.7°
Beat VMG3.594.445.075.485.685.795.88
52°5.596.727.487.918.158.268.37
60°5.957.047.748.148.378.508.63
75°6.207.277.938.328.598.809.05
90°6.067.228.008.418.668.939.38
110°6.097.428.228.699.079.419.84
120°5.957.288.148.679.109.5110.28
135°5.336.697.738.378.849.2810.21
150°4.435.636.787.708.308.749.56
Run VMG3.834.875.876.707.357.938.81
Gybe Angles137.8°146.9°145.1°153.2°159.2°170.0°177.2°

APH: 506.9

CDL: 11.588

GPH: 572.9

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 Allowance0.260%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 FlyingSymmetric141.08141.08Asymmetric161.87161.87 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail18.08Storm Jib14.21Heavy Weather Jib38.36
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  03440002OAKIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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 VMG1001.6811.0710.1656.8634.0621.6612.4
52°644.5535.8481.4454.8442.0435.9430.3
60°605.1511.3465.3442.4430.0423.5417.2
75°580.2495.4454.2432.6418.9409.0397.9
90°594.0498.4450.2427.8415.5403.0383.9
110°590.8485.3437.7414.1396.8382.7365.7
120°605.5494.5442.1415.4395.5378.5350.0
135°675.9537.7466.0429.9407.4388.0352.7
150°813.2639.9531.3467.3433.7412.1376.5
Run VMG939.1738.9613.5537.3489.8454.1408.6
Selected Courses
Windward / Leeward970.3775.0661.8597.0561.9537.8510.5
All purpose740.5601.3526.1485.8463.3447.7427.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward629.20.9537
All purpose506.91.1836
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8321
Downwind "popa"1.0045
70% up, 30% down "Ilhabela"0.8773
30% up, 70% down "Ilhabela-inverso"0.9457
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Predominantly Upwind550.11.0907
Predominantly Downwind516.11.1625
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low670.90.8943
Triple Number All Purpose Medium503.31.1922
Triple Number All Purpose High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Predominantly Upwind550.11.0907
Predominantly Downwind516.11.1625
Predominantly Upwind Low752.50.7973
Predominantly Upwind Medium567.11.0580
Predominantly Upwind High518.31.1577
Predominantly Downwind Low732.00.8197
Predominantly Downwind Medium510.61.1752
Predominantly Downwind High423.01.4183
Chicago-Mac Upwind1.0689
Chicago-Mac All Purpose1.1004
Chicago-Mac Downwind1.1410
Bayview-Mac Cove Island1.0130
Bayview-Mac Shore1.0235
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching481.01.2475
Predominantly Reaching Low603.00.9950
Predominantly Reaching Medium475.41.2620
Predominantly Reaching High415.51.4439
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low955.30.6281
5-Band Low / Medium792.10.7575
5-Band Medium611.90.9806
5-Band Medium / High542.31.1064
5-Band High515.31.1645
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance554.5
Triple Number Coastal/Long Distance Low670.9
Triple Number Coastal/Long Distance Medium503.3
Triple Number Coastal/Long Distance High444.1
Triple Number Windward/Leeward Low872.6
Triple Number Windward/Leeward Medium624.7
Triple Number Windward/Leeward High533.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8943
Triple Number Coastal/Long Distance Medium1.1922
Triple Number Coastal/Long Distance High1.3511
Triple Number Windward/Leeward Low0.6876
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low670.9
Triple Number Coastal/Long Distance Medium503.3
Triple Number Coastal/Long Distance High444.1
Triple Number Windward/Leeward Low872.6
Triple Number Windward/Leeward Medium624.7
Triple Number Windward/Leeward High533.6
Predominantly Upwind550.1
Predominantly Downwind516.1
Predominantly Reaching493.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8943
Triple Number Coastal/Long Distance Medium1.1922
Triple Number Coastal/Long Distance High1.3511
Triple Number Windward/Leeward Low0.6876
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1244
Coastal/Long Distance1.0821
Predominantly Upwind1.0907
Predominantly Downwind1.1625
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8943
Tretall Distanseseilas Mellomvind1.1922
Tretall Distanseseilas Mye vind1.3511
Tretall Pølsebane Lite vind0.6876
Tretall Pølsebane Mellomvind0.9605
Tretall Pølsebane Mye vind1.1244
Distanseseilas ett tall (OSN 8-16kn)1.0821
Distanseseilas ett tall (APH 6-20kn)1.1836
Enkeltall Motvind1.0907
Enkeltall Medvind1.1625
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Coastal/Long Distance554.51.0821
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind550.11.0907
Predominantly Downwind516.11.1625
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore518.71.1567
Cape Doctor Coastal433.61.3837
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8943
Triple Number Coastal/Long Distance Medium1.1922
Triple Number Coastal/Long Distance High1.3511
Triple Number Windward/Leeward Low0.6876
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1244
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8943
Triple Number Coastal/Long Distance Medium1.1922
Triple Number Coastal/Long Distance High1.3511
Triple Number Windward/Leeward Low0.6876
Triple Number Windward/Leeward Medium0.9605
Triple Number Windward/Leeward High1.1244
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Predominantly Upwind550.11.0907
Predominantly Downwind516.11.1625
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance554.51.0821
Triple Number Coastal/Long Distance Low670.90.8943
Triple Number Coastal/Long Distance Medium503.31.1922
Triple Number Coastal/Long Distance High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance967.2727.2594.9519.2481.2452.4408.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low670.90.8943
Triple Number All Purpose Medium503.31.1922
Triple Number All Purpose High444.11.3511
Triple Number Windward/Leeward Low872.60.6876
Triple Number Windward/Leeward Medium624.70.9605
Triple Number Windward/Leeward High533.61.1244
Predominantly Upwind550.11.0907
Predominantly Downwind516.11.1625
Predominantly Upwind Low752.50.7973
Predominantly Upwind Medium567.11.0580
Predominantly Upwind High518.31.1577
Predominantly Downwind Low732.00.8197
Predominantly Downwind Medium510.61.1752
Predominantly Downwind High423.01.4183
Chicago-Mac Upwind1.0689
Chicago-Mac All Purpose1.1004
Chicago-Mac Downwind1.1410
Bayview-Mac Cove Island1.0130
Bayview-Mac Shore1.0235
Harvest Moon Regatta437.11.3726
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy522.51.1483
San Francisco Bay Medium619.00.9693
Predominantly Reaching481.01.2475
Predominantly Reaching Low603.00.9950
Predominantly Reaching Medium475.41.2620
Predominantly Reaching High415.51.4439
Windward/Leeward 60-40 Low879.40.6823
Windward/Leeward 60-40 Medium644.10.9315
Windward/Leeward 60-40 High563.41.0649
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low955.30.6281
5-Band Low / Medium792.10.7575
5-Band Medium611.90.9806
5-Band Medium / High542.31.1064
5-Band High515.31.1645
ORC Ref  03440002OAKIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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 L12.838LSM012.575Acc. 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  03440002OAKIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment454-20220505154617.6517.6517.659.808.76141.0805/05/2022Eldre Seil fra NOR 11211 Rambler 77 152-20040524212017.1217.1217.120.000.00136.7224/05/2004
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment454-20220505154819.6116.6318.1210.7010.8099%161.8705/05/2022Eldre Seil fra NOR 11211 Rambler 77 1998
ORC Ref  03440002OAKIssued on 13/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org