Double HandedClub Certificate2025
KESSUEST 877
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
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°41.8°41.0°40.5°40.1°40.0°40.6°42.9°
Beat VMG1.902.603.153.523.783.933.993.963.78
52°2.963.984.705.185.475.645.735.745.66
60°3.144.194.915.365.625.795.895.945.91
75°3.244.335.075.515.775.956.086.256.29
90°3.154.255.025.515.795.996.156.446.63
110°2.793.874.755.395.766.016.236.657.05
120°2.643.704.595.275.685.966.186.637.11
135°2.303.314.204.915.445.786.036.476.96
150°1.942.873.734.465.075.525.826.266.70
Run VMG1.682.483.253.944.565.095.506.026.42
Gybe Angles150.7°150.7°155.9°164.9°171.2°175.4°178.6°179.5°179.5°
APH ToD:746.5CDL: 5.658APH ToT: 0.8037CertNo:029/21
BOAT
ClassBECKER 27DesignerBuilderBK MarinAge date01/1978Series date01/1974Offset fileBecker27 2013-05-11_3.offData fileEST877
HULL
Length Overall8.120 mMaximum Beam2.774 mDraft1.429 mDisplacement2,730 kgDLR11.1697IMS DivisionCruiser/RacerDynamic Allowance0.670%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight180 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail13.0613.43Headsail Luffed18.8318.83Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail3.94Storm Jib4.86Heavy Weather Jib13.10
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers0
✱ Spinnaker pole aboard
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.
Double HandedClub Certificate2025
KESSUEST 877
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
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 VMG1899.41382.31143.41022.7953.0915.5901.5908.6952.8
52°1217.2905.4766.0694.5658.0638.5628.5627.0635.6
60°1148.2859.7733.4671.2640.2622.0611.1606.1609.1
75°1112.4832.1709.9653.0624.3605.5591.7575.8572.7
90°1141.2847.3716.5653.4621.9601.4585.1559.0542.7
110°1292.6929.4757.2667.6624.8598.7578.0541.1510.4
120°1365.2973.4785.0683.5633.3604.3582.4543.0506.2
135°1564.21088.9857.9733.1661.2622.8597.4556.6517.2
150°1851.01255.5964.5807.5710.3652.5619.1575.4537.1
Run VMG2143.31449.01106.3912.7790.1706.9654.1598.5560.5
Selected Courses
Windward / Leeward2017.31415.71124.8967.7871.5811.2777.8753.6756.6
All purpose1525.91091.3885.0776.9715.6679.2657.8635.7628.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward916.00.6550
All purpose746.50.8037
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5812
Downwind "popa"0.6755
70% up, 30% down "Ilhabela"0.6066
30% up, 70% down "Ilhabela-inverso"0.6441
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Predominantly Upwind799.80.7502
Predominantly Downwind768.10.7811
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low988.20.6072
Triple Number AP Medium741.10.8096
Triple Number AP High654.80.9163
Triple Number Windward/Leeward Low1329.60.4512
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Single Number Predominant Upwind833.80.7196
Single Number Predominant Reaching747.70.8024
Single Number Predominant Downwind808.50.7421
Predominant Upwind - Low1169.70.5129
Predominant Upwind - Low/Med886.30.6770
Predominant Upwind - Medium771.00.7782
Predominant Upwind - Med/High713.20.8412
Predominant Upwind - High700.10.8571
Predominant Downwind Low1236.50.4852
Predominant Downwind Low/Med887.40.6762
Predominant Downwind Medium735.40.8158
Predominant Downwind Med/High647.20.9271
Predominant Downwind High608.30.9864
Predominant Reaching Low1069.30.5611
Predominant Reaching Low/Med801.30.7488
Predominant Reaching Medium691.30.8680
Predominant Reaching Med/High630.70.9513
Predominant Reaching High603.50.9942
SA/DSPL Upwind16.27SA/DSPL Downwind16.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1494.40.4015
5-Band Windward/Leeward Low/Med1074.90.5582
5-Band Windward/Leeward Medium890.70.6736
5-Band Windward/Leeward Med/High787.20.7621
5-Band Windward/Leeward High758.30.7913
Windward/Leeward 60-40 Low1485.90.4038
Windward/Leeward 60-40 Low/Med1081.50.5548
Windward/Leeward 60-40 Medium906.50.6619
Windward/Leeward 60-40 Med/High811.70.7392
Windward/Leeward 60-40 High789.60.7598
5-Band AP Low1108.00.5415
5-Band AP Low/Med852.30.7040
5-Band AP Medium729.00.8231
5-Band AP Med/High662.50.9056
5-Band AP High638.20.9402
5-Band SF Bay Tour - Low1281.80.4681
5-Band SF Bay Tour - Low/Med1029.40.5829
5-Band SF Bay Tour - Medium863.10.6952
5-Band SF Bay Tour - Med/High773.40.7758
5-Band SF Bay Tour - High748.80.8013
Chicago-Mac Upwind0.6953
Chicago-Mac All Purpose0.7075
Chicago-Mac Downwind0.7126
Bayview-Mac Cove Island0.5067
Bayview-Mac Shore0.5118
Harvest Moon Regatta646.90.9274
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance813.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating813.30.7377
FinRating, kevyt tuuli1473.10.6788
FinRating, kova tuuli643.70.7768
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7377
Triple Number Coastal/Long Distance Low0.6072
Triple Number Coastal/Long Distance Medium0.8097
Triple Number Coastal/Long Distance High0.9163
Triple Number Windward/Leeward Low0.4723
Triple Number Windward/Leeward Medium0.6596
Triple Number Windward/Leeward High0.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
For information
General Purpose Handicap (GPH)843.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low988.1
Triple Number Coastal/Long Distance Medium741.0
Triple Number Coastal/Long Distance High654.8
Triple Number Windward/Leeward Low1270.4
Triple Number Windward/Leeward Medium909.6
Triple Number Windward/Leeward High777.1
Predominantly Upwind799.8
Predominantly Downwind768.1
Predominantly Reaching732.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6072
Triple Number Coastal/Long Distance Medium0.8097
Triple Number Coastal/Long Distance High0.9163
Triple Number Windward/Leeward Low0.4723
Triple Number Windward/Leeward Medium0.6596
Triple Number Windward/Leeward High0.7721
Coastal/Long Distance0.7377
Predominantly Upwind0.7502
Predominantly Downwind0.7811
For information
General Purpose Handicap (GPH)843.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8037
Distanseseilas Trippeltall svak vind0.6072
Distanseseilas Trippeltall mellomvind0.8097
Distanseseilas Trippeltall sterk vind0.9163
Pølsebane Trippeltall svak vind0.4723
Pølsebane Trippeltall mellomvind0.6596
Pølsebane Trippeltall sterk vind0.7721
Motvind Singeltall0.7502
Medvind Singeltall0.7811
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Coastal/Long Distance813.30.7377
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind799.80.7502
Predominantly Downwind768.10.7811
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore755.70.7940
Cape Doctor Coastal630.40.9518
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6072
Triple Number Coastal/Long Distance Medium0.8097
Triple Number Coastal/Long Distance High0.9163
Triple Number Windward/Leeward Low0.4723
Triple Number Windward/Leeward Medium0.6596
Triple Number Windward/Leeward High0.7721
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6072
Triple Number Coastal/Long Distance Medium0.8097
Triple Number Coastal/Long Distance High0.9163
Triple Number Windward/Leeward Low0.4723
Triple Number Windward/Leeward Medium0.6596
Triple Number Windward/Leeward High0.7721
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Predominantly Upwind799.80.7502
Predominantly Downwind768.10.7811
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance813.30.7377
Triple Number Coastal/Long Distance Low988.10.6072
Triple Number Coastal/Long Distance Medium741.00.8097
Triple Number Coastal/Long Distance High654.80.9163
Triple Number Windward/Leeward Low1270.40.4723
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2160.71419.01059.8874.1764.2704.9665.0607.3592.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low988.20.6072
Triple Number AP Medium741.10.8096
Triple Number AP High654.80.9163
Triple Number Windward/Leeward Low1329.60.4512
Triple Number Windward/Leeward Medium909.60.6596
Triple Number Windward/Leeward High777.10.7721
Single Number Predominant Upwind833.80.7196
Single Number Predominant Reaching747.70.8024
Single Number Predominant Downwind808.50.7421
Predominant Upwind - Low1169.70.5129
Predominant Upwind - Low/Med886.30.6770
Predominant Upwind - Medium771.00.7782
Predominant Upwind - Med/High713.20.8412
Predominant Upwind - High700.10.8571
Predominant Downwind Low1236.50.4852
Predominant Downwind Low/Med887.40.6762
Predominant Downwind Medium735.40.8158
Predominant Downwind Med/High647.20.9271
Predominant Downwind High608.30.9864
Predominant Reaching Low1069.30.5611
Predominant Reaching Low/Med801.30.7488
Predominant Reaching Medium691.30.8680
Predominant Reaching Med/High630.70.9513
Predominant Reaching High603.50.9942
SA/DSPL Upwind16.27SA/DSPL Downwind16.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1494.40.4015
5-Band Windward/Leeward Low/Med1074.90.5582
5-Band Windward/Leeward Medium890.70.6736
5-Band Windward/Leeward Med/High787.20.7621
5-Band Windward/Leeward High758.30.7913
Windward/Leeward 60-40 Low1485.90.4038
Windward/Leeward 60-40 Low/Med1081.50.5548
Windward/Leeward 60-40 Medium906.50.6619
Windward/Leeward 60-40 Med/High811.70.7392
Windward/Leeward 60-40 High789.60.7598
5-Band AP Low1108.00.5415
5-Band AP Low/Med852.30.7040
5-Band AP Medium729.00.8231
5-Band AP Med/High662.50.9056
5-Band AP High638.20.9402
5-Band SF Bay Tour - Low1281.80.4681
5-Band SF Bay Tour - Low/Med1029.40.5829
5-Band SF Bay Tour - Medium863.10.6952
5-Band SF Bay Tour - Med/High773.40.7758
5-Band SF Bay Tour - High748.80.8013
Chicago-Mac Upwind0.6953
Chicago-Mac All Purpose0.7075
Chicago-Mac Downwind0.7126
Bayview-Mac Cove Island0.5067
Bayview-Mac Shore0.5118
Harvest Moon Regatta646.90.9274
Double HandedClub Certificate2025
KESSUEST 877
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBECKER 27MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.120Max. Beam2.774Draft1.429Displacement2,730Wetted area14.59IMS L6.406LSM06.252Acc. length8.080Sink (kg/mm) 10.22
VCGD-0.028VCGM0.023RM Rated (kg·m) 42.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight180
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0011
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P8.550IG9.850ISP9.850MDT10.100MDL10.180MDT2MDL2TLMWGO
E2.630J3.200BAS1.150FSDSFJSPL3.280WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date17/10/2019
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
KESSUEST 877
Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.140.530.981.602.1613.0604/05/202410.130.520.911.582.1512.87
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.070.460.901.892.984.059.60NoNo 18.8309/05/2022
CRUISER/RACER REQUIREMENTS*
Accommodation length8.1 mTable area0.33 m²Headroom1.40 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity31 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.