Club
Certificate
Double Handed
2024

Boat

Midnight Bat

FIN1257

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 Angles42.0°40.0°38.9°38.1°37.7°37.6°38.0°39.1°
Beat VMG3.263.934.364.594.694.744.734.63
52°4.885.746.216.456.586.646.676.63
60°5.105.936.376.606.746.826.876.86
75°5.216.046.486.746.917.057.187.24
90°5.105.996.486.776.997.177.457.63
110°5.126.156.687.007.257.417.677.73
120°4.986.046.636.997.307.588.018.33
135°4.495.606.376.817.157.488.219.24
150°3.804.875.786.436.837.157.818.72
Run VMG3.294.225.015.686.236.667.277.91
Gybe Angles144.8°148.9°151.9°158.3°171.8°177.7°178.6°177.7°
APH ToD:610.4CDL: 7.782APH ToT: 0.9830CertNo:
BOAT
ClassGuy 33DesignerGuy-Christer LönngBuilderAge date01/1978Series date01/1978Offset fileL1337.BOFData fileFIN1257
HULL
Length Overall10.120 mMaximum Beam2.952 mDraft1.857 mDisplacement3,700 kgDLR6.9299IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.390m
CREW
Maximum weight200 kg(declared)Minimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.5019.82Headsail Luffed27.1227.12Headsail FlyingSymmetric64.1964.19Asymmetric
STORM SAIL AREAS (m²)
Trysail5.68Storm Jib7.29Heavy Weather Jib19.68
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
ex Keo
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  0414000301FIssued on 19/02/2024Valid until 31/12/2024
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2024

Boat

Midnight Bat

FIN1257

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 VMG1103.8915.4826.1784.1767.8759.4761.8777.6
52°737.3627.7579.3557.9547.1542.0539.9543.3
60°706.2607.2565.2545.2533.9527.6524.1524.5
75°690.9595.7555.4534.2520.6511.0501.7497.5
90°706.2601.3555.2531.8515.3502.2483.2471.6
110°702.7585.7539.1514.4496.6485.8469.1465.9
120°722.8595.6542.7514.7493.2474.8449.6432.0
135°801.3642.5565.1528.6503.7481.6438.3389.8
150°947.5739.1622.8559.8527.1503.6461.0412.7
Run VMG1094.1853.5718.0634.0578.3540.7494.9455.2
Selected Courses
Windward / Leeward1099.0884.4772.1709.1673.0650.1628.3616.4
All purpose853.7701.5627.8589.1566.9552.1533.7521.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward741.60.8091
All purpose610.40.9830
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7096
Downwind "popa"0.8548
70% up, 30% down "Ilhabela"0.7477
30% up, 70% down "Ilhabela-inverso"0.8054
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Predominantly Upwind658.00.9118
Predominantly Downwind617.80.9712
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low777.60.7716
Triple Number All Purpose Medium605.80.9904
Triple Number All Purpose High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Predominantly Upwind658.00.9118
Predominantly Downwind617.80.9712
Predominantly Upwind Low857.90.6994
Predominantly Upwind Medium678.40.8844
Predominantly Upwind High639.60.9381
Predominantly Downwind Low851.20.7049
Predominantly Downwind Medium610.90.9821
Predominantly Downwind High515.31.1643
Chicago-Mac Upwind0.8957
Chicago-Mac All Purpose0.9216
Chicago-Mac Downwind0.9543
Bayview-Mac Cove Island0.8584
Bayview-Mac Shore0.8665
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching583.51.0283
Predominantly Reaching Low710.60.8444
Predominantly Reaching Medium577.31.0393
Predominantly Reaching High515.21.1646
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1082.40.5543
5-Band Low / Medium907.10.6615
5-Band Medium723.20.8296
5-Band Medium / High655.30.9157
5-Band High632.10.9492
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance661.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7716
Triple Number Coastal/Long Distance Medium0.9904
Triple Number Coastal/Long Distance High1.0931
Triple Number Windward/Leeward Low0.6050
Triple Number Windward/Leeward Medium0.8156
Triple Number Windward/Leeward High0.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low777.6
Triple Number Coastal/Long Distance Medium605.8
Triple Number Coastal/Long Distance High548.9
Triple Number Windward/Leeward Low991.7
Triple Number Windward/Leeward Medium735.7
Triple Number Windward/Leeward High647.7
Predominantly Upwind658.0
Predominantly Downwind617.8
Predominantly Reaching595.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7716
Triple Number Coastal/Long Distance Medium0.9904
Triple Number Coastal/Long Distance High1.0931
Triple Number Windward/Leeward Low0.6050
Triple Number Windward/Leeward Medium0.8156
Triple Number Windward/Leeward High0.9264
Coastal/Long Distance0.9074
Predominantly Upwind0.9118
Predominantly Downwind0.9712
For information
General Purpose Handicap (GPH)683.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7716
Tretall Distanseseilas Mellomvind0.9904
Tretall Distanseseilas Mye vind1.0931
Tretall Pølsebane Lite vind0.6050
Tretall Pølsebane Mellomvind0.8156
Tretall Pølsebane Mye vind0.9264
Distanseseilas ett tall (OSN 8-16kn)0.9074
Distanseseilas ett tall (APH 6-20kn)0.9830
Enkeltall Motvind0.9118
Enkeltall Medvind0.9712
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Coastal/Long Distance661.20.9074
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind658.00.9118
Predominantly Downwind617.80.9712
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore620.00.9678
Cape Doctor Coastal525.01.1429
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7716
Triple Number Coastal/Long Distance Medium0.9904
Triple Number Coastal/Long Distance High1.0931
Triple Number Windward/Leeward Low0.6050
Triple Number Windward/Leeward Medium0.8156
Triple Number Windward/Leeward High0.9264
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7716
Triple Number Coastal/Long Distance Medium0.9904
Triple Number Coastal/Long Distance High1.0931
Triple Number Windward/Leeward Low0.6050
Triple Number Windward/Leeward Medium0.8156
Triple Number Windward/Leeward High0.9264
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Predominantly Upwind658.00.9118
Predominantly Downwind617.80.9712
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low777.60.7716
Triple Number Coastal/Long Distance Medium605.80.9904
Triple Number Coastal/Long Distance High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1098.5834.7701.3626.5587.5557.3511.8498.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low777.60.7716
Triple Number All Purpose Medium605.80.9904
Triple Number All Purpose High548.91.0931
Triple Number Windward/Leeward Low991.70.6050
Triple Number Windward/Leeward Medium735.70.8156
Triple Number Windward/Leeward High647.70.9264
Predominantly Upwind658.00.9118
Predominantly Downwind617.80.9712
Predominantly Upwind Low857.90.6994
Predominantly Upwind Medium678.40.8844
Predominantly Upwind High639.60.9381
Predominantly Downwind Low851.20.7049
Predominantly Downwind Medium610.90.9821
Predominantly Downwind High515.31.1643
Chicago-Mac Upwind0.8957
Chicago-Mac All Purpose0.9216
Chicago-Mac Downwind0.9543
Bayview-Mac Cove Island0.8584
Bayview-Mac Shore0.8665
Harvest Moon Regatta535.81.1198
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy637.40.9413
San Francisco Bay Medium729.70.8222
Predominantly Reaching583.51.0283
Predominantly Reaching Low710.60.8444
Predominantly Reaching Medium577.31.0393
Predominantly Reaching High515.21.1646
Windward/Leeward 60-40 Low995.30.6028
Windward/Leeward 60-40 Medium759.30.7902
Windward/Leeward 60-40 High686.70.8737
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1082.40.5543
5-Band Low / Medium907.10.6615
5-Band Medium723.20.8296
5-Band Medium / High655.30.9157
5-Band High632.10.9492
ORC Ref  0414000301FIssued on 19/02/2024Valid until 31/12/2024
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2024

Boat

Midnight Bat

FIN1257

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGuy 33MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabYes
LOA10.120Max. Beam2.952Draft1.857Displacement3,700Wetted area18.84IMS L8.311LSM08.112Acc. length9.594Sink (kg/mm) 13.20
VCGD-0.039VCGM-0.044RM Rated (kg·m) 61.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight511Declared crew weight200
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.390PBW0.100PIPA0.0024
PSD0.025PHD0.050PHL0.110
PSA17.0°ESL0.790
ST1ST2ST3
ST4ST50.245
RIG
Forestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays1Spreaders2Rotating mastNo
P10.300IG12.073ISP12.073MDT10.115MDL10.171MDT20.115MDL20.171TL0.000MW0.171GO0.171
E3.150J3.685BAS1.303FSD0.000SFJ0.560SPL3.600WPLTPS0.000BD0.110MWT91.70MCG4.606
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date04/03/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  0414000301FIssued on 19/02/2024Valid until 31/12/2024
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2024

Boat

Midnight Bat

FIN1257

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.130.721.262.042.6219.50
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.591.152.313.494.6411.67NoNo 27.1216/04/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment211.6011.6011.606.666.5664.1916/04/2022
CRUISER/RACER REQUIREMENTS*
Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit 4 Food stowage0.24 m³Fuel capacity42 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.
ORC Ref  0414000301FIssued on 19/02/2024Valid until 31/12/2024
VPP ver: 2024 1.00 | © ORC | www.orc.org