Club Certificate2025
YAMAHOELANED 2876
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.7°43.7°42.3°41.4°40.0°38.8°38.3°39.6°42.7°
Beat VMG1.952.683.243.643.954.174.284.244.03
52°3.024.094.865.375.675.876.006.045.97
60°3.214.315.075.545.826.016.166.266.24
75°3.334.455.225.675.966.186.386.646.71
90°3.334.545.435.926.236.466.596.887.22
110°3.374.575.445.936.296.626.977.698.22
120°3.204.405.305.846.206.556.938.009.44
135°2.763.904.875.596.006.346.687.639.54
150°2.343.384.335.135.706.066.387.088.25
Run VMG2.012.933.764.485.145.605.956.547.25
Gybe Angles148.9°148.9°153.2°157.0°164.6°173.2°177.7°177.7°163.6°
APH ToD:691.6CDL: 5.813APH ToT: 0.8675CertNo:11064
BOAT
ClassYAMAHA 1/4 TONDesignerYAMAHA DESIGN GROUBuilderYAMAHAAge date01/1979Series date01/1979Offset filehc11501.offData fileNED2876
HULL
Length Overall7.460 mMaximum Beam3.076 mDraft1.537 mDisplacement1,396 kgDLR6.9416IMS DivisionCruiser/RacerDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight325 kg(declared)Minimum weight195 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail14.4014.69Headsail Luffed13.1713.17Headsail FlyingSymmetric33.0233.02Asymmetric
STORM SAIL AREAS (m²)
Trysail4.34Storm Jib3.30Heavy Weather Jib8.91
SAIL LIMITS
Headsails5Spinnakers4
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 Certificate2025
YAMAHOELANED 2876
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1850.71344.51109.7988.3912.3862.6841.0849.7892.8
52°1190.4880.1740.2670.9635.4613.5600.4596.3603.0
60°1120.7835.3709.6649.8619.0598.7584.1575.0576.6
75°1080.4808.5690.2634.5604.3582.5564.6542.1536.2
90°1082.5792.9663.5608.3577.8557.4546.1523.1498.5
110°1069.4787.3662.1607.0572.7543.5516.7468.1437.9
120°1123.3818.2679.5616.4580.2549.3519.5450.2381.5
135°1304.0923.4740.0644.1599.8568.0538.7471.6377.5
150°1541.31064.7830.9702.0631.4593.8564.5508.4436.5
Run VMG1787.31229.4956.4803.0701.0642.5604.7550.6496.7
Selected Courses
Windward / Leeward1816.81287.01033.1895.6806.6752.6722.9700.2694.8
All purpose1378.2993.4813.2720.9666.8632.2609.5580.8560.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward846.60.7087
All purpose691.60.8675
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6080
Downwind "popa"0.7654
70% up, 30% down "Ilhabela"0.6479
30% up, 70% down "Ilhabela-inverso"0.7102
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Predominantly Upwind753.20.7966
Predominantly Downwind697.10.8606
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low903.30.6642
Triple Number AP Medium688.50.8715
Triple Number AP High604.40.9927
Triple Number Windward/Leeward Low1212.20.4950
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Single Number Predominant Upwind784.80.7645
Single Number Predominant Reaching687.40.8728
Single Number Predominant Downwind728.40.8237
Predominant Upwind - Low1101.70.5446
Predominant Upwind - Low/Med836.60.7172
Predominant Upwind - Medium727.60.8246
Predominant Upwind - Med/High668.30.8978
Predominant Upwind - High651.00.9216
Predominant Downwind Low1086.30.5523
Predominant Downwind Low/Med794.50.7552
Predominant Downwind Medium670.20.8952
Predominant Downwind Med/High594.61.0090
Predominant Downwind High547.61.0956
Predominant Reaching Low972.00.6173
Predominant Reaching Low/Med734.60.8168
Predominant Reaching Medium639.90.9377
Predominant Reaching Med/High584.11.0273
Predominant Reaching High549.61.0917
SA/DSPL Upwind22.05SA/DSPL Downwind37.93
Scoring OptionTODTOT
5-Band Windward/Leeward Low1356.50.4423
5-Band Windward/Leeward Low/Med988.60.6069
5-Band Windward/Leeward Medium824.30.7279
5-Band Windward/Leeward Med/High731.10.8207
5-Band Windward/Leeward High703.20.8533
Windward/Leeward 60-40 Low1367.70.4387
Windward/Leeward 60-40 Low/Med1005.30.5968
Windward/Leeward 60-40 Medium844.90.7102
Windward/Leeward 60-40 Med/High755.30.7944
Windward/Leeward 60-40 High733.70.8178
5-Band AP Low997.70.6014
5-Band AP Low/Med785.60.7638
5-Band AP Medium677.40.8857
5-Band AP Med/High613.30.9783
5-Band AP High582.21.0306
5-Band SF Bay Tour - Low1172.00.5119
5-Band SF Bay Tour - Low/Med949.70.6317
5-Band SF Bay Tour - Medium800.90.7491
5-Band SF Bay Tour - Med/High716.30.8376
5-Band SF Bay Tour - High687.80.8723
Chicago-Mac Upwind0.7379
Chicago-Mac All Purpose0.7678
Chicago-Mac Downwind0.7926
Bayview-Mac Cove Island0.5556
Bayview-Mac Shore0.5595
Harvest Moon Regatta595.41.0077
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance752.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7976
Triple Number Coastal/Long Distance Low0.6642
Triple Number Coastal/Long Distance Medium0.8716
Triple Number Coastal/Long Distance High0.9927
Triple Number Windward/Leeward Low0.5172
Triple Number Windward/Leeward Medium0.7129
Triple Number Windward/Leeward High0.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
For information
General Purpose Handicap (GPH)779.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low903.3
Triple Number Coastal/Long Distance Medium688.4
Triple Number Coastal/Long Distance High604.4
Triple Number Windward/Leeward Low1160.1
Triple Number Windward/Leeward Medium841.6
Triple Number Windward/Leeward High721.8
Predominantly Upwind753.2
Predominantly Downwind697.1
Predominantly Reaching670.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6642
Triple Number Coastal/Long Distance Medium0.8716
Triple Number Coastal/Long Distance High0.9927
Triple Number Windward/Leeward Low0.5172
Triple Number Windward/Leeward Medium0.7129
Triple Number Windward/Leeward High0.8313
Coastal/Long Distance0.7976
Predominantly Upwind0.7966
Predominantly Downwind0.8606
For information
General Purpose Handicap (GPH)779.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8675
Distanseseilas Trippeltall svak vind0.6642
Distanseseilas Trippeltall mellomvind0.8716
Distanseseilas Trippeltall sterk vind0.9927
Pølsebane Trippeltall svak vind0.5172
Pølsebane Trippeltall mellomvind0.7129
Pølsebane Trippeltall sterk vind0.8313
Motvind Singeltall0.7966
Medvind Singeltall0.8606
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Coastal/Long Distance752.20.7976
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind753.20.7966
Predominantly Downwind697.10.8606
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore696.40.8616
Cape Doctor Coastal566.31.0595
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6642
Triple Number Coastal/Long Distance Medium0.8716
Triple Number Coastal/Long Distance High0.9927
Triple Number Windward/Leeward Low0.5172
Triple Number Windward/Leeward Medium0.7129
Triple Number Windward/Leeward High0.8313
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6642
Triple Number Coastal/Long Distance Medium0.8716
Triple Number Coastal/Long Distance High0.9927
Triple Number Windward/Leeward Low0.5172
Triple Number Windward/Leeward Medium0.7129
Triple Number Windward/Leeward High0.8313
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Predominantly Upwind753.20.7966
Predominantly Downwind697.10.8606
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance752.20.7976
Triple Number Coastal/Long Distance Low903.30.6642
Triple Number Coastal/Long Distance Medium688.40.8716
Triple Number Coastal/Long Distance High604.40.9927
Triple Number Windward/Leeward Low1160.10.5172
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1921.31281.2970.6809.2711.2655.6616.0551.8521.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low903.30.6642
Triple Number AP Medium688.50.8715
Triple Number AP High604.40.9927
Triple Number Windward/Leeward Low1212.20.4950
Triple Number Windward/Leeward Medium841.60.7129
Triple Number Windward/Leeward High721.80.8313
Single Number Predominant Upwind784.80.7645
Single Number Predominant Reaching687.40.8728
Single Number Predominant Downwind728.40.8237
Predominant Upwind - Low1101.70.5446
Predominant Upwind - Low/Med836.60.7172
Predominant Upwind - Medium727.60.8246
Predominant Upwind - Med/High668.30.8978
Predominant Upwind - High651.00.9216
Predominant Downwind Low1086.30.5523
Predominant Downwind Low/Med794.50.7552
Predominant Downwind Medium670.20.8952
Predominant Downwind Med/High594.61.0090
Predominant Downwind High547.61.0956
Predominant Reaching Low972.00.6173
Predominant Reaching Low/Med734.60.8168
Predominant Reaching Medium639.90.9377
Predominant Reaching Med/High584.11.0273
Predominant Reaching High549.61.0917
SA/DSPL Upwind22.05SA/DSPL Downwind37.93
Scoring OptionTODTOT
5-Band Windward/Leeward Low1356.50.4423
5-Band Windward/Leeward Low/Med988.60.6069
5-Band Windward/Leeward Medium824.30.7279
5-Band Windward/Leeward Med/High731.10.8207
5-Band Windward/Leeward High703.20.8533
Windward/Leeward 60-40 Low1367.70.4387
Windward/Leeward 60-40 Low/Med1005.30.5968
Windward/Leeward 60-40 Medium844.90.7102
Windward/Leeward 60-40 Med/High755.30.7944
Windward/Leeward 60-40 High733.70.8178
5-Band AP Low997.70.6014
5-Band AP Low/Med785.60.7638
5-Band AP Medium677.40.8857
5-Band AP Med/High613.30.9783
5-Band AP High582.21.0306
5-Band SF Bay Tour - Low1172.00.5119
5-Band SF Bay Tour - Low/Med949.70.6317
5-Band SF Bay Tour - Medium800.90.7491
5-Band SF Bay Tour - Med/High716.30.8376
5-Band SF Bay Tour - High687.80.8723
Chicago-Mac Upwind0.7379
Chicago-Mac All Purpose0.7678
Chicago-Mac Downwind0.7926
Bayview-Mac Cove Island0.5556
Bayview-Mac Shore0.5595
Harvest Moon Regatta595.41.0077
Club Certificate2025
YAMAHOELANED 2876
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassYAMAHA 1/4 TONMeasurement25/03/1999HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.460Max. Beam3.076Draft1.537Displacement1,396Wetted area12.00IMS L6.266LSM05.858Acc. length7.460Sink (kg/mm) 9.19
VCGD0.222VCGM0.235RM Rated (kg·m) 34.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight321Declared crew weight325
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P8.140IG8.120ISP8.120MDT10.085MDL10.123MDT20.000MDL20.000TLNo TaperMW0.000GO0.000
E3.040J2.520BAS1.140FSDNo FoilSFJ0.000SPL2.600WPLTPSBD0.000MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date04/11/2022CommentBB motor aan spiegel bij meting
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
YAMAHOELANED 2876
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20210.130.621.111.892.4914.40
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20230.050.410.821.642.513.417.86NoNo 13.17
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment20248.088.088.084.954.7233.02
CRUISER/RACER REQUIREMENTS*
Accommodation length7.5 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity15 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.