Club
Certificate
2024

Boat

Irenia

FIN 569

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.2°40.6°39.4°38.2°37.8°37.6°38.0°39.8°
Beat VMG2.803.353.744.024.144.184.194.06
52°4.194.915.365.625.755.815.845.80
60°4.375.085.505.745.895.966.015.99
75°4.465.185.605.866.046.176.306.33
90°4.365.225.705.946.056.236.486.63
110°4.455.315.796.106.346.526.776.95
120°4.315.195.726.066.346.607.047.33
135°3.924.815.485.876.176.457.027.61
150°3.394.295.035.565.906.186.707.26
Run VMG2.943.724.384.975.465.806.326.81
Gybe Angles148.0°151.9°155.5°165.1°176.3°178.3°178.6°178.6°
APH ToD:701.6CDL: 5.836APH ToT: 0.8552CertNo:
BOAT
ClassBLUEBIRD 25DesignerSPARKMAN&STEPHENSBuilderSANDELL&MANTYMAKIAge date01/1974Series date01/1974Offset fileL1073.BOFData fileFIN569
HULL
Length Overall7.482 mMaximum Beam2.768 mDraft1.601 mDisplacement2,326 kgDLR10.8588IMS DivisionDynamic Allowance0.620%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.330m
CREW
Maximum weight333 kg(declared)Minimum weight203 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail12.3512.62Headsail Luffed21.6421.64Headsail FlyingSymmetric44.4544.45Asymmetric
STORM SAIL AREAS (m²)
Trysail3.85Storm Jib5.21Heavy Weather Jib14.07
SAIL LIMITS
Headsails5  Spinnakers4
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.

Club
Certificate
2024

Boat

Irenia

FIN 569

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1287.31076.1961.3896.1870.1860.4860.0886.7
52°858.6732.8671.6640.7625.6619.4616.5621.0
60°823.6708.3654.9627.2611.6603.8599.0600.6
75°806.8694.5642.4614.7596.1583.9571.4568.8
90°825.1689.3631.3606.5594.8577.9555.2542.8
110°809.4678.5621.6589.9567.4552.2531.4518.1
120°834.8693.5629.2594.2567.4545.5511.6490.8
135°918.9748.0657.5613.6583.6558.0513.1473.1
150°1060.8839.4716.1647.6610.2582.9537.4496.1
Run VMG1224.9967.6821.0724.3659.4620.4569.5528.7
Selected Courses
Windward / Leeward1256.11021.8891.2810.2764.7740.4714.7707.7
All purpose983.1813.1725.1675.8648.6631.3609.7600.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward849.00.7067
All purpose701.60.8552
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6166
Downwind "popa"0.7517
70% up, 30% down "Ilhabela"0.6518
30% up, 70% down "Ilhabela-inverso"0.7054
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Predominantly Upwind757.60.7920
Predominantly Downwind710.60.8443
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low898.10.6681
Triple Number AP Medium696.90.8609
Triple Number AP High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Single Number Predominant Upwind756.20.7935
Single Number Predominant Reaching676.40.8871
Single Number Predominant Downwind711.30.8435
Predominant Upwind - Low988.10.6072
Predominant Upwind - Low/Med830.60.7224
Predominant Upwind - Medium733.20.8184
Predominant Upwind - Med/High686.80.8736
Predominant Upwind - High672.50.8922
Predominant Downwind Low982.10.6109
Predominant Downwind Low/Med802.50.7477
Predominant Downwind Medium685.30.8755
Predominant Downwind Med/High615.40.9750
Predominant Downwind High578.21.0377
Predominant Reaching Low890.10.6741
Predominant Reaching Low/Med744.70.8057
Predominant Reaching Medium656.60.9138
Predominant Reaching Med/High608.10.9867
Predominant Reaching High581.61.0316
SA/DSPL Upwind19.31SA/DSPL Downwind32.26
Scoring OptionTODTOT
5-Band Windward/Leeward Low1203.00.4988
5-Band Windward/Leeward Low/Med979.00.6128
5-Band Windward/Leeward Medium827.90.7247
5-Band Windward/Leeward Med/High746.00.8043
5-Band Windward/Leeward High718.00.8357
Windward/Leeward 60-40 Low1210.20.4958
Windward/Leeward 60-40 Low/Med991.30.6053
Windward/Leeward 60-40 Medium845.30.7098
Windward/Leeward 60-40 Med/High769.80.7794
Windward/Leeward 60-40 High747.30.8029
5-Band AP Low944.50.6352
5-Band AP Low/Med786.80.7625
5-Band AP Medium687.20.8731
5-Band AP Med/High634.30.9459
5-Band AP High611.70.9808
5-Band SF Bay Tour - Low1146.30.5234
5-Band SF Bay Tour - Low/Med939.60.6386
5-Band SF Bay Tour - Medium803.60.7466
5-Band SF Bay Tour - Med/High732.40.8192
5-Band SF Bay Tour - High707.40.8481
Chicago-Mac Upwind0.7773
Chicago-Mac All Purpose0.8009
Chicago-Mac Downwind0.8300
Bayview-Mac Cove Island0.7448
Bayview-Mac Shore0.7512
Harvest Moon Regatta616.60.9731
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance759.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6681
Triple Number Coastal/Long Distance Medium0.8610
Triple Number Coastal/Long Distance High0.9561
Triple Number Windward/Leeward Low0.5268
Triple Number Windward/Leeward Medium0.7114
Triple Number Windward/Leeward High0.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low898.1
Triple Number Coastal/Long Distance Medium696.9
Triple Number Coastal/Long Distance High627.5
Triple Number Windward/Leeward Low1139.0
Triple Number Windward/Leeward Medium843.4
Triple Number Windward/Leeward High736.8
Predominantly Upwind757.6
Predominantly Downwind710.6
Predominantly Reaching686.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6681
Triple Number Coastal/Long Distance Medium0.8610
Triple Number Coastal/Long Distance High0.9561
Triple Number Windward/Leeward Low0.5268
Triple Number Windward/Leeward Medium0.7114
Triple Number Windward/Leeward High0.8143
Coastal/Long Distance0.7897
Predominantly Upwind0.7920
Predominantly Downwind0.8443
For information
General Purpose Handicap (GPH)786.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6681
Tretall Distanseseilas Mellomvind0.8610
Tretall Distanseseilas Mye vind0.9561
Tretall Pølsebane Lite vind0.5268
Tretall Pølsebane Mellomvind0.7114
Tretall Pølsebane Mye vind0.8143
Distanseseilas ett tall0.8552
Enkeltall Motvind0.7920
Enkeltall Medvind0.8443
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Coastal/Long Distance759.80.7897
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind757.60.7920
Predominantly Downwind710.60.8443
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore709.80.8453
Cape Doctor Coastal602.90.9952
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6681
Triple Number Coastal/Long Distance Medium0.8610
Triple Number Coastal/Long Distance High0.9561
Triple Number Windward/Leeward Low0.5268
Triple Number Windward/Leeward Medium0.7114
Triple Number Windward/Leeward High0.8143
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6681
Triple Number Coastal/Long Distance Medium0.8610
Triple Number Coastal/Long Distance High0.9561
Triple Number Windward/Leeward Low0.5268
Triple Number Windward/Leeward Medium0.7114
Triple Number Windward/Leeward High0.8143
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Predominantly Upwind757.60.7920
Predominantly Downwind710.60.8443
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance759.80.7897
Triple Number Coastal/Long Distance Low898.10.6681
Triple Number Coastal/Long Distance Medium696.90.8610
Triple Number Coastal/Long Distance High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1253.0964.0809.6718.5672.2638.1585.4572.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low898.10.6681
Triple Number AP Medium696.90.8609
Triple Number AP High627.50.9561
Triple Number Windward/Leeward Low1139.00.5268
Triple Number Windward/Leeward Medium843.40.7114
Triple Number Windward/Leeward High736.80.8143
Single Number Predominant Upwind756.20.7935
Single Number Predominant Reaching676.40.8871
Single Number Predominant Downwind711.30.8435
Predominant Upwind - Low988.10.6072
Predominant Upwind - Low/Med830.60.7224
Predominant Upwind - Medium733.20.8184
Predominant Upwind - Med/High686.80.8736
Predominant Upwind - High672.50.8922
Predominant Downwind Low982.10.6109
Predominant Downwind Low/Med802.50.7477
Predominant Downwind Medium685.30.8755
Predominant Downwind Med/High615.40.9750
Predominant Downwind High578.21.0377
Predominant Reaching Low890.10.6741
Predominant Reaching Low/Med744.70.8057
Predominant Reaching Medium656.60.9138
Predominant Reaching Med/High608.10.9867
Predominant Reaching High581.61.0316
SA/DSPL Upwind19.31SA/DSPL Downwind32.26
Scoring OptionTODTOT
5-Band Windward/Leeward Low1203.00.4988
5-Band Windward/Leeward Low/Med979.00.6128
5-Band Windward/Leeward Medium827.90.7247
5-Band Windward/Leeward Med/High746.00.8043
5-Band Windward/Leeward High718.00.8357
Windward/Leeward 60-40 Low1210.20.4958
Windward/Leeward 60-40 Low/Med991.30.6053
Windward/Leeward 60-40 Medium845.30.7098
Windward/Leeward 60-40 Med/High769.80.7794
Windward/Leeward 60-40 High747.30.8029
5-Band AP Low944.50.6352
5-Band AP Low/Med786.80.7625
5-Band AP Medium687.20.8731
5-Band AP Med/High634.30.9459
5-Band AP High611.70.9808
5-Band SF Bay Tour - Low1146.30.5234
5-Band SF Bay Tour - Low/Med939.60.6386
5-Band SF Bay Tour - Medium803.60.7466
5-Band SF Bay Tour - Med/High732.40.8192
5-Band SF Bay Tour - High707.40.8481
Chicago-Mac Upwind0.7773
Chicago-Mac All Purpose0.8009
Chicago-Mac Downwind0.8300
Bayview-Mac Cove Island0.7448
Bayview-Mac Shore0.7512
Harvest Moon Regatta616.60.9731

Club
Certificate
2024

Boat

Irenia

FIN 569

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBLUEBIRD 25MeasurementHINPlan reviewHull constructionLightCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.482Max. Beam2.768Draft1.601Displacement2,326Wetted area13.52IMS L6.118LSM05.983Acc. length7.482Sink (kg/mm) 9.52
VCGD0.124VCGM0.157RM Rated (kg·m) 35.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight331Declared crew weight333
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.330PBW0.095PIPA0.0018
PSD0.025PHD0.040PHL0.140
PSA15.0°ESL0.335
ST10.017ST20.105ST30.125
ST40.050ST50.225
RIG
Forestay tensionAftInner stayAdjustableMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P8.230IG9.995ISP9.915MDT10.120MDL10.165MDT20.120MDL20.165TL0.000MW0.165GO0.228
E2.670J3.030BAS1.370FSD0.026SFJ0.000SPL3.020WPLTPSBD0.110MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date14/05/1990
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

Irenia

FIN 569

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.110.510.911.592.1112.3507/07/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG14.828.82NoNo 21.6407/07/2024
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment19.809.809.805.4444.45