Club Certificate2025
HAPPINESS IISUI 34
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 Angles46.3°46.3°45.0°45.0°44.2°44.1°44.0°45.2°48.1°
Beat VMG1.792.452.973.333.583.693.723.663.41
52°2.853.864.615.135.435.585.625.631.85
60°3.084.154.915.375.645.795.855.905.84
75°3.224.325.095.575.846.016.136.256.29
90°3.164.355.255.735.936.106.276.506.62
110°3.334.565.465.946.226.436.596.827.00
120°3.124.385.385.916.246.516.757.157.42
135°2.834.004.985.726.106.416.717.308.01
150°2.453.504.435.265.826.156.447.007.63
Run VMG2.113.033.854.575.235.675.996.527.02
Gybe Angles148.9°148.9°152.5°153.7°162.8°169.6°176.8°177.7°176.8°
APH ToD:720.6CDL: 5.363APH ToT: 0.8327CertNo:SUI34
BOAT
ClassTirena 27DesignerBuilderTirena YachtsAge date01/1970Series date01/1969Offset fileCBTire27.offData fileSUI34
HULL
Length Overall7.900 mMaximum Beam2.492 mDraft1.050 mDisplacement2,257 kgDLR10.1923IMS DivisionCruiser/RacerDynamic Allowance0.510%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.270m
CREW
Maximum weight336 kg(default)Minimum weight206 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail12.9313.13Headsail Luffed19.9919.99Headsail FlyingSymmetric51.6851.68Asymmetric
STORM SAIL AREAS (m²)
Trysail4.15Storm Jib4.15Heavy Weather Jib11.21
SAIL LIMITS
Headsails5
✱ Woven polyester sails
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 Certificate2025
HAPPINESS IISUI 34
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 VMG2014.71466.81213.11081.71004.9974.6966.6984.91054.7
52°1265.3932.2780.2702.4663.4645.4640.2639.51944.5
60°1169.3867.5733.4669.8638.4621.8615.2610.3616.0
75°1117.2832.5706.6645.8616.4598.9587.3576.4572.5
90°1140.5827.4685.7628.3606.9589.7574.3554.0543.8
110°1081.8789.6659.2606.3578.7560.0546.2528.2514.2
120°1155.7821.8669.2609.2576.8552.7533.6503.8485.4
135°1271.1901.0722.5629.5590.2561.5536.8493.0449.4
150°1468.91029.8812.3684.5618.2585.2559.2514.5471.9
Run VMG1706.01189.1935.5787.0688.2635.5600.7552.3512.5
Selected Courses
Windward / Leeward1859.11327.91074.3934.4846.5805.0783.7768.6783.6
All purpose1417.31022.5837.7743.5691.5664.8649.0633.2671.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward892.50.6723
All purpose720.60.8327
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5460
Downwind "popa"0.7795
70% up, 30% down "Ilhabela"0.5999
30% up, 70% down "Ilhabela-inverso"0.6908
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Predominantly Upwind799.60.7504
Predominantly Downwind705.30.8506
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low930.10.6451
Triple Number AP Medium714.40.8399
Triple Number AP High647.00.9273
Triple Number Windward/Leeward Low1253.00.4788
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Single Number Predominant Upwind849.10.7067
Single Number Predominant Reaching718.20.8354
Single Number Predominant Downwind742.70.8078
Predominant Upwind - Low1160.60.5170
Predominant Upwind - Low/Med881.70.6805
Predominant Upwind - Medium772.20.7770
Predominant Upwind - Med/High724.40.8282
Predominant Upwind - High794.20.7555
Predominant Downwind Low1085.50.5527
Predominant Downwind Low/Med798.10.7518
Predominant Downwind Medium678.50.8843
Predominant Downwind Med/High611.90.9806
Predominant Downwind High602.90.9952
Predominant Reaching Low996.00.6024
Predominant Reaching Low/Med752.40.7974
Predominant Reaching Medium660.10.9089
Predominant Reaching Med/High611.70.9808
Predominant Reaching High628.80.9542
SA/DSPL Upwind19.09SA/DSPL Downwind37.45
Scoring OptionTODTOT
5-Band Windward/Leeward Low1397.60.4293
5-Band Windward/Leeward Low/Med1028.70.5833
5-Band Windward/Leeward Medium868.10.6911
5-Band Windward/Leeward Med/High790.00.7595
5-Band Windward/Leeward High773.80.7754
Windward/Leeward 60-40 Low1426.20.4207
Windward/Leeward 60-40 Low/Med1057.60.5673
Windward/Leeward 60-40 Medium899.90.6668
Windward/Leeward 60-40 Med/High826.90.7256
Windward/Leeward 60-40 High817.80.7337
5-Band AP Low1015.80.5907
5-Band AP Low/Med810.10.7406
5-Band AP Medium704.30.8519
5-Band AP Med/High652.60.9194
5-Band AP High642.50.9338
5-Band SF Bay Tour - Low1216.50.4932
5-Band SF Bay Tour - Low/Med991.20.6054
5-Band SF Bay Tour - Medium845.40.7097
5-Band SF Bay Tour - Med/High776.50.7727
5-Band SF Bay Tour - High766.30.7830
Chicago-Mac Upwind0.6883
Chicago-Mac All Purpose0.7352
Chicago-Mac Downwind0.7816
Bayview-Mac Cove Island0.5380
Bayview-Mac Shore0.5405
Harvest Moon Regatta612.60.9794
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance784.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating784.60.7647
FinRating, kevyt tuuli1366.80.7316
FinRating, kova tuuli639.60.7817
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7647
Triple Number Coastal/Long Distance Low0.6451
Triple Number Coastal/Long Distance Medium0.8400
Triple Number Coastal/Long Distance High0.9273
Triple Number Windward/Leeward Low0.4995
Triple Number Windward/Leeward Medium0.6784
Triple Number Windward/Leeward High0.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
For information
General Purpose Handicap (GPH)809.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low930.1
Triple Number Coastal/Long Distance Medium714.3
Triple Number Coastal/Long Distance High647.0
Triple Number Windward/Leeward Low1201.2
Triple Number Windward/Leeward Medium884.4
Triple Number Windward/Leeward High783.4
Predominantly Upwind799.6
Predominantly Downwind705.3
Predominantly Reaching686.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6451
Triple Number Coastal/Long Distance Medium0.8400
Triple Number Coastal/Long Distance High0.9273
Triple Number Windward/Leeward Low0.4995
Triple Number Windward/Leeward Medium0.6784
Triple Number Windward/Leeward High0.7659
Coastal/Long Distance0.7647
Predominantly Upwind0.7504
Predominantly Downwind0.8506
For information
General Purpose Handicap (GPH)809.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8327
Distanseseilas Trippeltall svak vind0.6451
Distanseseilas Trippeltall mellomvind0.8400
Distanseseilas Trippeltall sterk vind0.9273
Pølsebane Trippeltall svak vind0.4995
Pølsebane Trippeltall mellomvind0.6784
Pølsebane Trippeltall sterk vind0.7659
Motvind Singeltall0.7504
Medvind Singeltall0.8506
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Coastal/Long Distance784.60.7647
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind799.60.7504
Predominantly Downwind705.30.8506
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore779.10.7701
Cape Doctor Coastal659.80.9094
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6451
Triple Number Coastal/Long Distance Medium0.8400
Triple Number Coastal/Long Distance High0.9273
Triple Number Windward/Leeward Low0.4995
Triple Number Windward/Leeward Medium0.6784
Triple Number Windward/Leeward High0.7659
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6451
Triple Number Coastal/Long Distance Medium0.8400
Triple Number Coastal/Long Distance High0.9273
Triple Number Windward/Leeward Low0.4995
Triple Number Windward/Leeward Medium0.6784
Triple Number Windward/Leeward High0.7659
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Predominantly Upwind799.60.7504
Predominantly Downwind705.30.8506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance784.60.7647
Triple Number Coastal/Long Distance Low930.10.6451
Triple Number Coastal/Long Distance Medium714.30.8400
Triple Number Coastal/Long Distance High647.00.9273
Triple Number Windward/Leeward Low1201.20.4995
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1947.81314.01004.5838.5740.4690.1653.2594.5588.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low930.10.6451
Triple Number AP Medium714.40.8399
Triple Number AP High647.00.9273
Triple Number Windward/Leeward Low1253.00.4788
Triple Number Windward/Leeward Medium884.40.6784
Triple Number Windward/Leeward High783.40.7659
Single Number Predominant Upwind849.10.7067
Single Number Predominant Reaching718.20.8354
Single Number Predominant Downwind742.70.8078
Predominant Upwind - Low1160.60.5170
Predominant Upwind - Low/Med881.70.6805
Predominant Upwind - Medium772.20.7770
Predominant Upwind - Med/High724.40.8282
Predominant Upwind - High794.20.7555
Predominant Downwind Low1085.50.5527
Predominant Downwind Low/Med798.10.7518
Predominant Downwind Medium678.50.8843
Predominant Downwind Med/High611.90.9806
Predominant Downwind High602.90.9952
Predominant Reaching Low996.00.6024
Predominant Reaching Low/Med752.40.7974
Predominant Reaching Medium660.10.9089
Predominant Reaching Med/High611.70.9808
Predominant Reaching High628.80.9542
SA/DSPL Upwind19.09SA/DSPL Downwind37.45
Scoring OptionTODTOT
5-Band Windward/Leeward Low1397.60.4293
5-Band Windward/Leeward Low/Med1028.70.5833
5-Band Windward/Leeward Medium868.10.6911
5-Band Windward/Leeward Med/High790.00.7595
5-Band Windward/Leeward High773.80.7754
Windward/Leeward 60-40 Low1426.20.4207
Windward/Leeward 60-40 Low/Med1057.60.5673
Windward/Leeward 60-40 Medium899.90.6668
Windward/Leeward 60-40 Med/High826.90.7256
Windward/Leeward 60-40 High817.80.7337
5-Band AP Low1015.80.5907
5-Band AP Low/Med810.10.7406
5-Band AP Medium704.30.8519
5-Band AP Med/High652.60.9194
5-Band AP High642.50.9338
5-Band SF Bay Tour - Low1216.50.4932
5-Band SF Bay Tour - Low/Med991.20.6054
5-Band SF Bay Tour - Medium845.40.7097
5-Band SF Bay Tour - Med/High776.50.7727
5-Band SF Bay Tour - High766.30.7830
Chicago-Mac Upwind0.6883
Chicago-Mac All Purpose0.7352
Chicago-Mac Downwind0.7816
Bayview-Mac Cove Island0.5380
Bayview-Mac Shore0.5405
Harvest Moon Regatta612.60.9794
Club Certificate2025
HAPPINESS IISUI 34
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassTirena 27Measurement30/06/1997HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.900Max. Beam2.492Draft1.050Displacement2,257Wetted area12.11IMS L6.309LSM06.050Acc. length7.890Sink (kg/mm) 9.11
VCGD0.000VCGM0.050RM Rated (kg·m) 30.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight336Declared crew weightN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.270PBWPIPA0.0088
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P7.900IG9.110ISP9.110MDT10.100MDL10.150MDT2MDL2TLMWGO
E3.000J2.990BAS1.210FSDNo FoilSFJ0.000SPL3.310WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/06/1997
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
HAPPINESS IISUI 34
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.080.500.901.702.4012.93
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG14.349.05NoNo 19.99* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC8.918.918.917.056.6051.68* Copied from legacy *
CRUISER/RACER REQUIREMENTS*
Accommodation length7.9 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity19 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.