Club
Certificate
2024

Boat

Mata-mata

FIN11612

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 Angles41.9°40.1°38.2°36.9°36.9°36.6°36.8°37.9°
Beat VMG3.003.614.024.224.284.354.414.37
52°4.495.255.665.956.096.216.376.40
60°4.695.405.836.216.406.546.756.85
75°4.805.506.006.506.917.157.507.71
90°5.005.776.276.587.177.708.358.83
110°5.065.906.667.357.818.269.1811.07
120°4.885.786.557.448.268.9410.4711.98
135°4.425.376.136.887.788.7812.2813.94
150°3.784.755.456.086.747.5110.5813.70
Run VMG3.274.114.725.275.846.509.1611.87
Gybe Angles145.7°148.0°148.6°147.2°144.7°143.9°139.4°144.8°
APH ToD:633.7CDL: 5.853APH ToT: 0.9468CertNo:
BOAT
ClassSeascape 18DesignerS. ManuardBuilderISSA d.o.oAge date01/2012Series date05/2007Offset fileSEASC18r.OFFData fileFIN11612
HULL
Length Overall5.550 mMaximum Beam2.382 mDraft1.499 mDisplacement470 kgDLR3.0409IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight260 kg(declared)Minimum weight130 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail14.6515.19Headsail Luffed6.856.85Headsail FlyingSymmetricAsymmetric34.6234.62 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail3.31Storm Jib2.26Heavy Weather Jib6.10
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

Mata-mata

FIN11612

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 VMG1198.9996.0894.5853.5840.3827.5815.7823.4
52°802.0686.1635.7605.0590.8579.5565.4562.2
60°768.2666.3617.3580.1562.2550.1533.1525.8
75°749.3654.0599.9553.9520.9503.7480.1466.8
90°719.8624.2574.2547.1502.3467.7431.0407.8
110°711.8610.6540.8489.8460.8436.1392.1325.2
120°737.8622.9549.9484.1435.8402.6343.8300.5
135°815.2669.9587.6523.3462.8410.1293.2258.2
150°953.2758.7660.4592.0534.3479.5340.4262.7
Run VMG1100.7876.0762.6683.6616.9553.7393.0303.4
Selected Courses
Windward / Leeward1149.8936.0828.5768.5728.6690.6604.4563.4
All purpose893.3744.5666.7617.4581.5551.2492.4460.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward792.40.7572
All purpose633.70.9468
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6536
Downwind "popa"0.8423
70% up, 30% down "Ilhabela"0.7006
30% up, 70% down "Ilhabela-inverso"0.7751
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Predominantly Upwind700.90.8560
Predominantly Downwind636.40.9428
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low818.90.7327
Triple Number AP Medium635.50.9441
Triple Number AP High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Single Number Predominant Upwind699.00.8584
Single Number Predominant Reaching604.70.9922
Single Number Predominant Downwind638.10.9402
Predominant Upwind - Low907.40.6612
Predominant Upwind - Low/Med768.20.7811
Predominant Upwind - Medium680.70.8815
Predominant Upwind - Med/High623.10.9629
Predominant Upwind - High586.21.0235
Predominant Downwind Low884.10.6786
Predominant Downwind Low/Med729.90.8221
Predominant Downwind Medium618.40.9702
Predominant Downwind Med/High515.81.1633
Predominant Downwind High427.11.4047
Predominant Reaching Low800.10.7499
Predominant Reaching Low/Med676.90.8864
Predominant Reaching Medium588.91.0188
Predominant Reaching Med/High509.41.1778
Predominant Reaching High450.81.3310
SA/DSPL Upwind35.65SA/DSPL Downwind81.71
Scoring OptionTODTOT
5-Band Windward/Leeward Low1101.30.5448
5-Band Windward/Leeward Low/Med904.90.6631
5-Band Windward/Leeward Medium779.30.7699
5-Band Windward/Leeward Med/High689.00.8709
5-Band Windward/Leeward High612.20.9801
Windward/Leeward 60-40 Low1111.60.5398
Windward/Leeward 60-40 Low/Med917.70.6538
Windward/Leeward 60-40 Medium797.00.7528
Windward/Leeward 60-40 Med/High717.20.8366
Windward/Leeward 60-40 High653.60.9180
5-Band AP Low859.60.6980
5-Band AP Low/Med720.20.8331
5-Band AP Medium624.70.9605
5-Band AP Med/High552.01.0870
5-Band AP High497.11.2070
5-Band SF Bay Tour - Low1049.30.5718
5-Band SF Bay Tour - Low/Med865.90.6929
5-Band SF Bay Tour - Medium748.10.8020
5-Band SF Bay Tour - Med/High665.10.9022
5-Band SF Bay Tour - High597.91.0036
Chicago-Mac Upwind0.8418
Chicago-Mac All Purpose0.8816
Chicago-Mac Downwind0.9261
Bayview-Mac Cove Island0.8198
Bayview-Mac Shore0.8252
Harvest Moon Regatta519.91.1541
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance689.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9442
Triple Number Coastal/Long Distance High1.1178
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.7571
Triple Number Windward/Leeward High0.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low818.9
Triple Number Coastal/Long Distance Medium635.5
Triple Number Coastal/Long Distance High536.8
Triple Number Windward/Leeward Low1042.9
Triple Number Windward/Leeward Medium792.5
Triple Number Windward/Leeward High667.8
Predominantly Upwind700.9
Predominantly Downwind636.4
Predominantly Reaching610.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9442
Triple Number Coastal/Long Distance High1.1178
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.7571
Triple Number Windward/Leeward High0.8985
Coastal/Long Distance0.8698
Predominantly Upwind0.8560
Predominantly Downwind0.9428
For information
General Purpose Handicap (GPH)712.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7327
Tretall Distanseseilas Mellomvind0.9442
Tretall Distanseseilas Mye vind1.1178
Tretall Pølsebane Lite vind0.5753
Tretall Pølsebane Mellomvind0.7571
Tretall Pølsebane Mye vind0.8985
Distanseseilas ett tall0.9468
Enkeltall Motvind0.8560
Enkeltall Medvind0.9428
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Coastal/Long Distance689.80.8698
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind700.90.8560
Predominantly Downwind636.40.9428
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore575.71.0422
Cape Doctor Coastal470.11.2763
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9442
Triple Number Coastal/Long Distance High1.1178
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.7571
Triple Number Windward/Leeward High0.8985
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9442
Triple Number Coastal/Long Distance High1.1178
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.7571
Triple Number Windward/Leeward High0.8985
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Predominantly Upwind700.90.8560
Predominantly Downwind636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.80.8698
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium635.50.9442
Triple Number Coastal/Long Distance High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1144.9882.4748.6661.7604.8553.5460.3427.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low818.90.7327
Triple Number AP Medium635.50.9441
Triple Number AP High536.81.1178
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium792.50.7571
Triple Number Windward/Leeward High667.80.8985
Single Number Predominant Upwind699.00.8584
Single Number Predominant Reaching604.70.9922
Single Number Predominant Downwind638.10.9402
Predominant Upwind - Low907.40.6612
Predominant Upwind - Low/Med768.20.7811
Predominant Upwind - Medium680.70.8815
Predominant Upwind - Med/High623.10.9629
Predominant Upwind - High586.21.0235
Predominant Downwind Low884.10.6786
Predominant Downwind Low/Med729.90.8221
Predominant Downwind Medium618.40.9702
Predominant Downwind Med/High515.81.1633
Predominant Downwind High427.11.4047
Predominant Reaching Low800.10.7499
Predominant Reaching Low/Med676.90.8864
Predominant Reaching Medium588.91.0188
Predominant Reaching Med/High509.41.1778
Predominant Reaching High450.81.3310
SA/DSPL Upwind35.65SA/DSPL Downwind81.71
Scoring OptionTODTOT
5-Band Windward/Leeward Low1101.30.5448
5-Band Windward/Leeward Low/Med904.90.6631
5-Band Windward/Leeward Medium779.30.7699
5-Band Windward/Leeward Med/High689.00.8709
5-Band Windward/Leeward High612.20.9801
Windward/Leeward 60-40 Low1111.60.5398
Windward/Leeward 60-40 Low/Med917.70.6538
Windward/Leeward 60-40 Medium797.00.7528
Windward/Leeward 60-40 Med/High717.20.8366
Windward/Leeward 60-40 High653.60.9180
5-Band AP Low859.60.6980
5-Band AP Low/Med720.20.8331
5-Band AP Medium624.70.9605
5-Band AP Med/High552.01.0870
5-Band AP High497.11.2070
5-Band SF Bay Tour - Low1049.30.5718
5-Band SF Bay Tour - Low/Med865.90.6929
5-Band SF Bay Tour - Medium748.10.8020
5-Band SF Bay Tour - Med/High665.10.9022
5-Band SF Bay Tour - High597.91.0036
Chicago-Mac Upwind0.8418
Chicago-Mac All Purpose0.8816
Chicago-Mac Downwind0.9261
Bayview-Mac Cove Island0.8198
Bayview-Mac Shore0.8252
Harvest Moon Regatta519.91.1541

Club
Certificate
2024

Boat

Mata-mata

FIN11612

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSeascape 18MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA5.550Max. Beam2.382Draft1.499Displacement470Wetted area7.08IMS L5.584LSM05.366Acc. length5.560Sink (kg/mm) 5.97
VCGD-0.010VCGM-0.007RM Rated (kg·m) 12.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight235Declared crew weight260
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionFixedInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders0Rotating mastNo
P6.650IG6.720ISP6.970MDT10.080MDL10.080MDT2MDL2TLNo TaperMW0.080GO0.080
E2.840J2.425BAS1.130FSD0.028SFJ0.000SPL0.000WPLTPS3.750BD0.075MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date15/03/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

Mata-mata

FIN11612

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment11.571.571.832.262.5814.65
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment12.176.20NoNo 6.85
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment18.806.707.755.20NaN34.62