Club
Certificate
2024

Boat

FORTALEZA 2

JPN6740

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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°40.3°38.0°36.4°35.8°35.7°36.0°37.2°
Beat VMG3.334.034.544.804.904.954.964.88
52°5.015.876.326.566.676.736.796.78
60°5.236.046.456.706.856.927.017.01
75°5.366.146.546.847.077.247.407.49
90°5.266.196.656.907.147.417.818.03
110°5.296.266.777.187.547.828.268.60
120°5.126.136.697.137.557.998.869.68
135°4.615.676.376.827.267.718.9411.48
150°3.884.955.836.436.847.258.149.92
Run VMG3.364.295.085.736.286.697.448.59
Gybe Angles144.9°149.6°153.7°161.5°176.3°178.1°178.1°141.7°
APH ToD:596.0CDL: 7.833APH ToT: 1.0067CertNo:24010W
BOAT
ClassAIOLOS 26+1DesignerI.YOKOYAMABuilderTY SEISAKUSHOAge date12/2010Series date10/2006Offset fileJCBAI26L.offData fileJC24010W2
HULL
Length Overall8.290 mMaximum Beam2.782 mDraft1.847 mDisplacement2,187 kgDLR5.8065IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight465 kg(declared)Minimum weight335 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.1622.55Headsail Luffed20.3620.36Headsail FlyingSymmetric53.2153.21Asymmetric
STORM SAIL AREAS (m²)
Trysail6.69Storm Jib5.59Heavy Weather Jib15.09
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Change from Cert NO.JC190270
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

FORTALEZA 2

JPN6740

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1081.9892.2793.5749.7734.8727.8725.4737.0
52°719.0613.4569.2548.5539.4534.8530.5531.3
60°688.1595.9558.4537.4525.6520.0513.9513.4
75°672.1586.4550.2526.7508.9497.5486.5480.9
90°684.9581.7541.8521.8504.0485.9461.1448.1
110°680.9575.2531.6501.1477.3460.2435.8418.4
120°702.7587.6538.5504.8476.8450.8406.4371.9
135°781.1634.6565.3527.9496.0466.8402.6313.5
150°926.9727.0617.2560.2526.3496.9442.2362.9
Run VMG1070.3839.4709.3628.7573.1538.2483.9419.0
Selected Courses
Windward / Leeward1076.1865.8751.4689.2654.0633.0604.7578.0
All purpose833.3687.2615.3576.4552.9535.8509.5483.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward721.80.8313
All purpose596.01.0067
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7361
Downwind "popa"0.8672
70% up, 30% down "Ilhabela"0.7711
30% up, 70% down "Ilhabela-inverso"0.8233
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Predominantly Upwind641.40.9355
Predominantly Downwind607.50.9877
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low760.20.7892
Triple Number AP Medium592.81.0122
Triple Number AP High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Single Number Predominant Upwind639.90.9377
Single Number Predominant Reaching575.41.0427
Single Number Predominant Downwind608.40.9862
Predominant Upwind - Low831.70.7214
Predominant Upwind - Low/Med699.40.8578
Predominant Upwind - Medium621.80.9649
Predominant Upwind - Med/High583.81.0277
Predominant Upwind - High565.41.0611
Predominant Downwind Low838.80.7153
Predominant Downwind Low/Med686.00.8747
Predominant Downwind Medium587.51.0213
Predominant Downwind Med/High522.61.1481
Predominant Downwind High475.81.2609
Predominant Reaching Low750.40.7996
Predominant Reaching Low/Med632.10.9492
Predominant Reaching Medium560.71.0702
Predominant Reaching Med/High514.21.1669
Predominant Reaching High480.01.2501
SA/DSPL Upwind25.18SA/DSPL Downwind44.62
Scoring OptionTODTOT
5-Band Windward/Leeward Low1028.40.5834
5-Band Windward/Leeward Low/Med830.40.7226
5-Band Windward/Leeward Medium703.60.8527
5-Band Windward/Leeward Med/High636.50.9427
5-Band Windward/Leeward High605.00.9918
Windward/Leeward 60-40 Low1030.50.5822
Windward/Leeward 60-40 Low/Med837.20.7167
Windward/Leeward 60-40 Medium715.80.8382
Windward/Leeward 60-40 Med/High655.30.9157
Windward/Leeward 60-40 High629.50.9531
5-Band AP Low800.10.7499
5-Band AP Low/Med667.00.8995
5-Band AP Medium584.81.0260
5-Band AP Med/High537.61.1160
5-Band AP High509.61.1774
5-Band SF Bay Tour - Low976.20.6146
5-Band SF Bay Tour - Low/Med794.70.7550
5-Band SF Bay Tour - Medium681.30.8807
5-Band SF Bay Tour - Med/High621.80.9649
5-Band SF Bay Tour - High591.21.0150
Chicago-Mac Upwind0.9199
Chicago-Mac All Purpose0.9426
Chicago-Mac Downwind0.9712
Bayview-Mac Cove Island0.8781
Bayview-Mac Shore0.8872
Harvest Moon Regatta521.81.1498
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance645.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7892
Triple Number Coastal/Long Distance Medium1.0123
Triple Number Coastal/Long Distance High1.1317
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8382
Triple Number Windward/Leeward High0.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low760.3
Triple Number Coastal/Long Distance Medium592.7
Triple Number Coastal/Long Distance High530.2
Triple Number Windward/Leeward Low971.0
Triple Number Windward/Leeward Medium715.8
Triple Number Windward/Leeward High627.6
Predominantly Upwind641.4
Predominantly Downwind607.5
Predominantly Reaching584.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7892
Triple Number Coastal/Long Distance Medium1.0123
Triple Number Coastal/Long Distance High1.1317
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8382
Triple Number Windward/Leeward High0.9560
Coastal/Long Distance0.9296
Predominantly Upwind0.9355
Predominantly Downwind0.9877
For information
General Purpose Handicap (GPH)667.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7892
Tretall Distanseseilas Mellomvind1.0123
Tretall Distanseseilas Mye vind1.1317
Tretall Pølsebane Lite vind0.6179
Tretall Pølsebane Mellomvind0.8382
Tretall Pølsebane Mye vind0.9560
Distanseseilas ett tall1.0067
Enkeltall Motvind0.9355
Enkeltall Medvind0.9877
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Coastal/Long Distance645.40.9296
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind641.40.9355
Predominantly Downwind607.50.9877
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore586.01.0239
Cape Doctor Coastal491.51.2208
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7892
Triple Number Coastal/Long Distance Medium1.0123
Triple Number Coastal/Long Distance High1.1317
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8382
Triple Number Windward/Leeward High0.9560
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7892
Triple Number Coastal/Long Distance Medium1.0123
Triple Number Coastal/Long Distance High1.1317
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8382
Triple Number Windward/Leeward High0.9560
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Predominantly Upwind641.40.9355
Predominantly Downwind607.50.9877
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance645.40.9296
Triple Number Coastal/Long Distance Low760.30.7892
Triple Number Coastal/Long Distance Medium592.71.0123
Triple Number Coastal/Long Distance High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1075.5817.3684.8611.7572.7541.0487.5462.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low760.20.7892
Triple Number AP Medium592.81.0122
Triple Number AP High530.21.1317
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium715.80.8382
Triple Number Windward/Leeward High627.60.9560
Single Number Predominant Upwind639.90.9377
Single Number Predominant Reaching575.41.0427
Single Number Predominant Downwind608.40.9862
Predominant Upwind - Low831.70.7214
Predominant Upwind - Low/Med699.40.8578
Predominant Upwind - Medium621.80.9649
Predominant Upwind - Med/High583.81.0277
Predominant Upwind - High565.41.0611
Predominant Downwind Low838.80.7153
Predominant Downwind Low/Med686.00.8747
Predominant Downwind Medium587.51.0213
Predominant Downwind Med/High522.61.1481
Predominant Downwind High475.81.2609
Predominant Reaching Low750.40.7996
Predominant Reaching Low/Med632.10.9492
Predominant Reaching Medium560.71.0702
Predominant Reaching Med/High514.21.1669
Predominant Reaching High480.01.2501
SA/DSPL Upwind25.18SA/DSPL Downwind44.62
Scoring OptionTODTOT
5-Band Windward/Leeward Low1028.40.5834
5-Band Windward/Leeward Low/Med830.40.7226
5-Band Windward/Leeward Medium703.60.8527
5-Band Windward/Leeward Med/High636.50.9427
5-Band Windward/Leeward High605.00.9918
Windward/Leeward 60-40 Low1030.50.5822
Windward/Leeward 60-40 Low/Med837.20.7167
Windward/Leeward 60-40 Medium715.80.8382
Windward/Leeward 60-40 Med/High655.30.9157
Windward/Leeward 60-40 High629.50.9531
5-Band AP Low800.10.7499
5-Band AP Low/Med667.00.8995
5-Band AP Medium584.81.0260
5-Band AP Med/High537.61.1160
5-Band AP High509.61.1774
5-Band SF Bay Tour - Low976.20.6146
5-Band SF Bay Tour - Low/Med794.70.7550
5-Band SF Bay Tour - Medium681.30.8807
5-Band SF Bay Tour - Med/High621.80.9649
5-Band SF Bay Tour - High591.21.0150
Chicago-Mac Upwind0.9199
Chicago-Mac All Purpose0.9426
Chicago-Mac Downwind0.9712
Bayview-Mac Cove Island0.8781
Bayview-Mac Shore0.8872
Harvest Moon Regatta521.81.1498

Club
Certificate
2024

Boat

FORTALEZA 2

JPN6740

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassAIOLOS 26+1Measurement22/06/2015HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.290Max. Beam2.782Draft1.847Displacement2,187Wetted area14.88IMS L7.732LSM07.221Acc. length8.290Sink (kg/mm) 11.56
VCGD-0.071VCGM-0.077RM Rated (kg·m) 50.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight433Declared crew weight465
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.381PBW0.101PIPA0.0031
EDL1.220ST10.039ST2
ST3ST40.112ST50.263
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P10.378IG10.570ISP11.187MDT10.078MDL10.124MDT2MDL2TLTaperMW0.124GO0.124
E3.680J3.059BAS1.457FSDFoilSFJ0.000SPL3.358WPLTPSBD0.095MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/06/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

FORTALEZA 2

JPN6740

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.160.791.342.253.0122.16
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.100.541.011.993.034.1110.01NoNo 20.36
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.0511.0511.055.835.5753.21