Club Certificate2025
BUCEPHALUSHKG4735
ORC
Central Rating Office
Issuing certificates for
HONG KONG
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 Angles42.5°42.5°40.5°38.8°38.0°37.8°37.8°38.4°40.4°
Beat VMG2.473.364.024.434.614.674.704.654.48
52°3.825.065.866.266.456.536.576.586.50
60°4.045.296.046.406.606.706.756.796.74
75°4.145.406.156.526.756.927.047.157.18
90°3.995.316.176.566.787.017.207.467.60
110°4.055.426.316.757.077.327.507.807.78
120°3.885.256.216.717.097.437.728.208.57
135°3.414.755.816.476.907.297.688.539.65
150°2.874.095.166.026.566.957.318.099.23
Run VMG2.493.544.475.265.896.386.767.438.16
Gybe Angles146.8°146.8°151.0°155.4°163.3°169.6°176.3°176.8°166.3°
APH ToD:600.8CDL: 7.591APH ToT: 0.9986CertNo:
BOAT
ClassYAMAHA 33DesignerYAMAHABuilderYAMAHAAge date04/1997Series date11/1996Offset fileYAMAHA33.OFFData fileHKG4735
HULL
Length Overall10.050 mMaximum Beam3.344 mDraft1.738 mDisplacement3,382 kgDLR7.3358IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.381m
CREW
Maximum weight476 kg(default)Minimum weight346 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.1723.32Headsail Luffed30.2230.22Headsail FlyingSymmetric65.1472.83Asymmetric
STORM SAIL AREAS (m²)
Trysail7.47Storm Jib8.14Heavy Weather Jib21.96
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
BUCEPHALUSHKG4735
ORC
Central Rating Office
Issuing certificates for
HONG KONG
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 VMG1459.71071.6895.1812.0781.1770.4766.7773.5804.2
52°943.3711.6614.3574.7558.1551.3547.9547.5553.6
60°890.4680.6596.3562.2545.7537.1533.0530.6534.3
75°869.4666.4585.7552.4533.0520.0511.2503.4501.5
90°901.5677.5583.7548.9530.7513.6499.9482.3473.8
110°888.1664.7570.1533.1509.2491.8479.9461.7462.7
120°928.1685.9580.0536.3507.6484.6466.0439.3420.2
135°1055.9757.7619.5556.1521.8493.7469.0421.9373.2
150°1253.3879.8697.7598.3548.9518.3492.3445.0390.1
Run VMG1447.21016.0805.0684.4610.7564.4532.8484.5441.0
Selected Courses
Windward / Leeward1452.31043.8850.1748.2695.9667.4649.7629.0622.6
All purpose1110.2813.8679.2615.3583.0563.5549.9531.5522.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward725.50.8270
All purpose600.80.9986
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7155
Downwind "popa"0.8940
70% up, 30% down "Ilhabela"0.7611
30% up, 70% down "Ilhabela-inverso"0.8318
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Predominantly Upwind650.30.9227
Predominantly Downwind602.40.9961
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low746.50.8037
Triple Number AP Medium597.01.0051
Triple Number AP High546.41.0981
Triple Number Windward/Leeward Low987.40.6077
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Single Number Predominant Upwind675.00.8888
Single Number Predominant Reaching599.01.0017
Single Number Predominant Downwind627.30.9564
Predominant Upwind - Low893.10.6718
Predominant Upwind - Low/Med700.30.8568
Predominant Upwind - Medium633.00.9478
Predominant Upwind - Med/High602.90.9952
Predominant Upwind - High593.21.0115
Predominant Downwind Low892.40.6724
Predominant Downwind Low/Med673.10.8914
Predominant Downwind Medium584.31.0269
Predominant Downwind Med/High528.61.1350
Predominant Downwind High493.81.2151
Predominant Reaching Low802.90.7472
Predominant Reaching Low/Med628.60.9545
Predominant Reaching Medium564.61.0626
Predominant Reaching Med/High525.61.1416
Predominant Reaching High501.71.1959
SA/DSPL Upwind23.60SA/DSPL Downwind39.04
Scoring OptionTODTOT
5-Band Windward/Leeward Low1097.80.5466
5-Band Windward/Leeward Low/Med819.90.7318
5-Band Windward/Leeward Medium708.80.8465
5-Band Windward/Leeward Med/High653.10.9187
5-Band Windward/Leeward High631.50.9502
Windward/Leeward 60-40 Low1103.10.5439
Windward/Leeward 60-40 Low/Med830.90.7221
Windward/Leeward 60-40 Medium725.50.8270
Windward/Leeward 60-40 Med/High676.40.8870
Windward/Leeward 60-40 High660.70.9081
5-Band AP Low820.20.7315
5-Band AP Low/Med662.30.9059
5-Band AP Medium590.31.0164
5-Band AP Med/High551.91.0872
5-Band AP High533.11.1254
5-Band SF Bay Tour - Low952.30.6301
5-Band SF Bay Tour - Low/Med787.60.7618
5-Band SF Bay Tour - Medium688.80.8711
5-Band SF Bay Tour - Med/High640.30.9371
5-Band SF Bay Tour - High620.50.9670
Chicago-Mac Upwind0.8666
Chicago-Mac All Purpose0.8975
Chicago-Mac Downwind0.9255
Bayview-Mac Cove Island0.6743
Bayview-Mac Shore0.6785
Harvest Moon Regatta528.31.1358
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance649.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9242
Triple Number Coastal/Long Distance Low0.8037
Triple Number Coastal/Long Distance Medium1.0052
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.6336
Triple Number Windward/Leeward Medium0.8344
Triple Number Windward/Leeward High0.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
For information
General Purpose Handicap (GPH)668.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low746.5
Triple Number Coastal/Long Distance Medium596.9
Triple Number Coastal/Long Distance High546.4
Triple Number Windward/Leeward Low947.0
Triple Number Windward/Leeward Medium719.1
Triple Number Windward/Leeward High646.4
Predominantly Upwind650.3
Predominantly Downwind602.4
Predominantly Reaching584.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8037
Triple Number Coastal/Long Distance Medium1.0052
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.6336
Triple Number Windward/Leeward Medium0.8344
Triple Number Windward/Leeward High0.9282
Coastal/Long Distance0.9242
Predominantly Upwind0.9227
Predominantly Downwind0.9961
For information
General Purpose Handicap (GPH)668.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9986
Distanseseilas Trippeltall svak vind0.8037
Distanseseilas Trippeltall mellomvind1.0052
Distanseseilas Trippeltall sterk vind1.0981
Pølsebane Trippeltall svak vind0.6336
Pølsebane Trippeltall mellomvind0.8344
Pølsebane Trippeltall sterk vind0.9282
Motvind Singeltall0.9227
Medvind Singeltall0.9961
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Coastal/Long Distance649.20.9242
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind650.30.9227
Predominantly Downwind602.40.9961
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore624.50.9608
Cape Doctor Coastal525.21.1425
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8037
Triple Number Coastal/Long Distance Medium1.0052
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.6336
Triple Number Windward/Leeward Medium0.8344
Triple Number Windward/Leeward High0.9282
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8037
Triple Number Coastal/Long Distance Medium1.0052
Triple Number Coastal/Long Distance High1.0981
Triple Number Windward/Leeward Low0.6336
Triple Number Windward/Leeward Medium0.8344
Triple Number Windward/Leeward High0.9282
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Predominantly Upwind650.30.9227
Predominantly Downwind602.40.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance649.20.9242
Triple Number Coastal/Long Distance Low746.50.8037
Triple Number Coastal/Long Distance Medium596.91.0052
Triple Number Coastal/Long Distance High546.41.0981
Triple Number Windward/Leeward Low947.00.6336
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1532.81041.0803.0683.2619.3583.9555.3509.2496.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low746.50.8037
Triple Number AP Medium597.01.0051
Triple Number AP High546.41.0981
Triple Number Windward/Leeward Low987.40.6077
Triple Number Windward/Leeward Medium719.10.8344
Triple Number Windward/Leeward High646.40.9282
Single Number Predominant Upwind675.00.8888
Single Number Predominant Reaching599.01.0017
Single Number Predominant Downwind627.30.9564
Predominant Upwind - Low893.10.6718
Predominant Upwind - Low/Med700.30.8568
Predominant Upwind - Medium633.00.9478
Predominant Upwind - Med/High602.90.9952
Predominant Upwind - High593.21.0115
Predominant Downwind Low892.40.6724
Predominant Downwind Low/Med673.10.8914
Predominant Downwind Medium584.31.0269
Predominant Downwind Med/High528.61.1350
Predominant Downwind High493.81.2151
Predominant Reaching Low802.90.7472
Predominant Reaching Low/Med628.60.9545
Predominant Reaching Medium564.61.0626
Predominant Reaching Med/High525.61.1416
Predominant Reaching High501.71.1959
SA/DSPL Upwind23.60SA/DSPL Downwind39.04
Scoring OptionTODTOT
5-Band Windward/Leeward Low1097.80.5466
5-Band Windward/Leeward Low/Med819.90.7318
5-Band Windward/Leeward Medium708.80.8465
5-Band Windward/Leeward Med/High653.10.9187
5-Band Windward/Leeward High631.50.9502
Windward/Leeward 60-40 Low1103.10.5439
Windward/Leeward 60-40 Low/Med830.90.7221
Windward/Leeward 60-40 Medium725.50.8270
Windward/Leeward 60-40 Med/High676.40.8870
Windward/Leeward 60-40 High660.70.9081
5-Band AP Low820.20.7315
5-Band AP Low/Med662.30.9059
5-Band AP Medium590.31.0164
5-Band AP Med/High551.91.0872
5-Band AP High533.11.1254
5-Band SF Bay Tour - Low952.30.6301
5-Band SF Bay Tour - Low/Med787.60.7618
5-Band SF Bay Tour - Medium688.80.8711
5-Band SF Bay Tour - Med/High640.30.9371
5-Band SF Bay Tour - High620.50.9670
Chicago-Mac Upwind0.8666
Chicago-Mac All Purpose0.8975
Chicago-Mac Downwind0.9255
Bayview-Mac Cove Island0.6743
Bayview-Mac Shore0.6785
Harvest Moon Regatta528.31.1358
Club Certificate2025
BUCEPHALUSHKG4735
ORC
Central Rating Office
Issuing certificates for
HONG KONG
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassYAMAHA 33Measurement26/06/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.050Max. Beam3.344Draft1.738Displacement3,382Wetted area18.16IMS L7.871LSM07.724Acc. length10.050Sink (kg/mm) 12.89
VCGD-0.222VCGM-0.045RM Rated (kg·m) 63.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight476Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.381PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P12.400IG12.720ISP14.580MDT10.098MDL10.153MDT2MDL2TLTaperMW0.153GO0.164
E3.440J4.210BAS1.600FSD0.013SFJ0.000SPL3.730WPLTPS5.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date26/03/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
BUCEPHALUSHKG4735
ORC
Central Rating Office
Issuing certificates for
HONG KONG
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.180.701.201.932.5323.17* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC4.9911.90NoNo 30.22
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC13.0113.0113.016.016.0065.14* Copied from legacy *