Club
Certificate
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 Angles42.5°40.2°38.6°37.1°36.5°36.1°36.2°37.2°
Beat VMG3.253.964.454.734.864.934.974.89
52°4.905.786.276.536.676.756.806.79
60°5.125.986.416.666.816.916.987.00
75°5.226.086.516.776.957.107.287.34
90°5.086.036.556.826.997.187.507.72
110°5.126.176.707.027.297.517.817.98
120°4.966.056.646.997.307.608.188.59
135°4.475.586.356.787.117.448.219.35
150°3.774.855.766.406.797.107.748.64
Run VMG3.274.204.995.666.216.637.227.84
Gybe Angles144.8°148.9°151.9°158.5°171.8°177.9°178.6°177.7°
APH ToD:605.1CDL: 8.097APH ToT: 0.9916CertNo:
BOAT
ClassGuy 33DesignerGuy-Christer LönngBuilderAge date01/1978Series date01/1978Offset fileL1337.BOFData fileFIN1257
HULL
Length Overall10.120 mMaximum Beam2.952 mDraft1.854 mDisplacement3,700 kgDLR6.7007IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.390m
CREW
Maximum weight400 kg(declared)Minimum weight270 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.

Club
Certificate
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 VMG1107.2909.5809.7760.9740.2729.8724.5735.8
52°735.2622.5573.8551.3539.4533.1529.6529.8
60°703.0602.5561.4540.8528.6521.0516.1514.6
75°690.1592.3553.1532.1517.8507.3494.5490.3
90°709.0597.1549.3527.9514.8501.3480.1466.3
110°702.5583.1537.4512.7494.2479.3461.0451.0
120°725.4594.9542.3514.7493.1473.8440.2419.0
135°806.0645.5566.9530.7506.2484.1438.3385.2
150°954.0743.0625.3562.1529.8507.1465.4416.5
Run VMG1101.5858.0721.0636.1580.1543.0498.5459.4
Selected Courses
Windward / Leeward1104.4883.8765.3698.5660.1636.4611.5597.6
All purpose856.3699.7623.4583.2560.2544.5523.3507.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward732.50.8192
All purpose605.10.9916
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7264
Downwind "popa"0.8505
70% up, 30% down "Ilhabela"0.7597
30% up, 70% down "Ilhabela-inverso"0.8090
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Predominantly Upwind649.60.9236
Predominantly Downwind616.90.9725
Custom scoring options for Canada
Scoring OptionTODTOT
Predominant Upwind648.20.9256
Predominant Reaching593.91.0102
Predominant Downwind593.91.0102
Predominant Upwind - Low852.10.7041
Predominant Upwind - Low/Med711.60.8431
Predominant Upwind - Medium628.90.9541
Predominant Upwind - Med/High589.11.0184
Predominant Upwind - High573.31.0466
Predominant Reaching Low771.60.7776
Predominant Reaching Low/Med643.30.9327
Predominant Reaching Medium567.61.0570
Predominant Reaching Med/High525.41.1421
Predominant Reaching High498.91.2027
Predominant Downwind Low771.60.7776
Predominant Downwind Low/Med698.20.8594
Predominant Downwind Medium594.71.0088
Predominant Downwind Med/High533.31.1250
Predominant Downwind High497.11.2069
Harvest Moon Regatta534.21.1232
Chicago-Mac Upwind0.9073
Chicago-Mac All Purpose0.9280
Chicago-Mac Downwind0.9557
Bayview-Mac Cove Island0.8616
Bayview-Mac Shore0.8713
Scoring OptionTODTOT
5-Band Windward/Leeward Low1054.30.5691
5-Band Windward/Leeward Low/Med847.10.7083
5-Band Windward/Leeward Medium713.40.8410
5-Band Windward/Leeward Med/High641.40.9354
5-Band Windward/Leeward High613.40.9782
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Windward/Leeward 60-40 Low1055.90.5682
Windward/Leeward 60-40 Low/Med854.00.7026
Windward/Leeward 60-40 Medium725.80.8266
Windward/Leeward 60-40 Med/High659.80.9094
Windward/Leeward 60-40 High636.20.9431
5-Band AP Low820.80.7310
5-Band AP Low/Med678.70.8841
5-Band AP Medium592.51.0126
5-Band AP Med/High546.81.0972
5-Band AP High524.31.1444
Triple Number AP Low778.00.7712
Triple Number AP Medium600.60.9989
Triple Number AP High540.51.1101
5-Band SF Bay Tour - Low1000.70.5996
5-Band SF Bay Tour - Low/Med810.10.7406
5-Band SF Bay Tour - Medium690.50.8689
5-Band SF Bay Tour - Med/High628.50.9547
5-Band SF Bay Tour - High602.40.9959
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance655.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium0.9991
Triple Number Coastal/Long Distance High1.1101
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8257
Triple Number Windward/Leeward High0.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low778.0
Triple Number Coastal/Long Distance Medium600.5
Triple Number Coastal/Long Distance High540.5
Triple Number Windward/Leeward Low994.0
Triple Number Windward/Leeward Medium726.7
Triple Number Windward/Leeward High633.0
Predominantly Upwind649.6
Predominantly Downwind616.9
Predominantly Reaching593.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium0.9991
Triple Number Coastal/Long Distance High1.1101
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8257
Triple Number Windward/Leeward High0.9479
Coastal/Long Distance0.9151
Predominantly Upwind0.9236
Predominantly Downwind0.9725
For information
General Purpose Handicap (GPH)679.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7712
Tretall Distanseseilas Mellomvind0.9991
Tretall Distanseseilas Mye vind1.1101
Tretall Pølsebane Lite vind0.6036
Tretall Pølsebane Mellomvind0.8257
Tretall Pølsebane Mye vind0.9479
Distanseseilas ett tall (OSN 8-16kn)0.9151
Distanseseilas ett tall (APH 6-20kn)0.9916
Enkeltall Motvind0.9236
Enkeltall Medvind0.9725
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Coastal/Long Distance655.60.9151
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind649.60.9236
Predominantly Downwind616.90.9725
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore601.70.9971
Cape Doctor Coastal512.51.1708
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium0.9991
Triple Number Coastal/Long Distance High1.1101
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8257
Triple Number Windward/Leeward High0.9479
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium0.9991
Triple Number Coastal/Long Distance High1.1101
Triple Number Windward/Leeward Low0.6036
Triple Number Windward/Leeward Medium0.8257
Triple Number Windward/Leeward High0.9479
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Predominantly Upwind649.60.9236
Predominantly Downwind616.90.9725
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance655.60.9151
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium600.50.9991
Triple Number Coastal/Long Distance High540.51.1101
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1104.1833.9695.8619.1580.2550.5503.9487.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Predominant Upwind648.20.9256
Predominant Reaching593.91.0102
Predominant Downwind593.91.0102
Predominant Upwind - Low852.10.7041
Predominant Upwind - Low/Med711.60.8431
Predominant Upwind - Medium628.90.9541
Predominant Upwind - Med/High589.11.0184
Predominant Upwind - High573.31.0466
Predominant Reaching Low771.60.7776
Predominant Reaching Low/Med643.30.9327
Predominant Reaching Medium567.61.0570
Predominant Reaching Med/High525.41.1421
Predominant Reaching High498.91.2027
Predominant Downwind Low771.60.7776
Predominant Downwind Low/Med698.20.8594
Predominant Downwind Medium594.71.0088
Predominant Downwind Med/High533.31.1250
Predominant Downwind High497.11.2069
Harvest Moon Regatta534.21.1232
Chicago-Mac Upwind0.9073
Chicago-Mac All Purpose0.9280
Chicago-Mac Downwind0.9557
Bayview-Mac Cove Island0.8616
Bayview-Mac Shore0.8713
Scoring OptionTODTOT
5-Band Windward/Leeward Low1054.30.5691
5-Band Windward/Leeward Low/Med847.10.7083
5-Band Windward/Leeward Medium713.40.8410
5-Band Windward/Leeward Med/High641.40.9354
5-Band Windward/Leeward High613.40.9782
Triple Number Windward/Leeward Low994.00.6036
Triple Number Windward/Leeward Medium726.70.8257
Triple Number Windward/Leeward High633.00.9479
Windward/Leeward 60-40 Low1055.90.5682
Windward/Leeward 60-40 Low/Med854.00.7026
Windward/Leeward 60-40 Medium725.80.8266
Windward/Leeward 60-40 Med/High659.80.9094
Windward/Leeward 60-40 High636.20.9431
5-Band AP Low820.80.7310
5-Band AP Low/Med678.70.8841
5-Band AP Medium592.51.0126
5-Band AP Med/High546.81.0972
5-Band AP High524.31.1444
Triple Number AP Low778.00.7712
Triple Number AP Medium600.60.9989
Triple Number AP High540.51.1101
5-Band SF Bay Tour - Low1000.70.5996
5-Band SF Bay Tour - Low/Med810.10.7406
5-Band SF Bay Tour - Medium690.50.8689
5-Band SF Bay Tour - Med/High628.50.9547
5-Band SF Bay Tour - High602.40.9959

Club
Certificate
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. Beam2.952Draft1.854Displacement3,700Wetted area18.93IMS L8.491LSM08.203Acc. length9.594Sink (kg/mm) 13.37
VCGD-0.038VCGM-0.043RM Rated (kg·m) 61.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight519Declared crew weight400
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

Club
Certificate
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.