International
Certificate
2023

Boat

Tonton

MLT274

Royal Malta Yacht Club
Ta' Xbiex Seafront,
Ta' Xbiex, XBX 1028
MALTA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.2°41.2°39.6°38.4°38.1°37.6°37.8°
Beat VMG3.834.675.265.585.725.805.84
52°5.866.937.597.928.078.158.21
60°6.187.207.808.118.298.388.46
75°6.687.668.098.338.538.718.90
90°6.937.898.388.688.929.109.38
110°6.757.818.378.829.229.5910.17
120°6.437.658.338.829.289.6910.43
135°5.807.158.018.569.079.6010.84
150°4.916.167.237.968.408.759.50
Run VMG4.255.346.266.907.287.678.52
Gybe Angles143.5°146.9°149.6°151.0°150.7°171.2°175.7°

APH: 493.3

CDL: 11.409

GPH: 551.2

CertNo: 2305MI

BOAT
ClassDufour 44DesignerFelciBuilderDufourAge date03/2008Series date10/2002Offset fileDUFOUR-44-MLT274.offData fileTontonMLT274A
HULL
Length Overall13.330 mMaximum Beam4.226 mDraft2.313 mDisplacement9,848 kgDLR5.8959IMS DivisionCruiser/RacerDynamic Allowance0.110%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.469m
CREW
Maximum weight875 kgMinimum weight656 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail60.6361.31Headsail Luffed53.0353.03Headsail FlyingSymmetricAsymmetric193.88193.88 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail19.02Storm Jib8.44Heavy Weather Jib22.78
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment295.6 kg·mStability Index118.0
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.
ORC Ref  03230002HWKIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Tonton

MLT274

Royal Malta Yacht Club
Ta' Xbiex Seafront,
Ta' Xbiex, XBX 1028
MALTA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG939.4770.3684.0644.8628.9620.8616.9
52°614.3519.3474.2454.6446.3441.9438.4
60°582.8499.9461.8443.6434.4429.7425.3
75°538.8469.8445.0432.1421.9413.2404.5
90°519.2456.0429.6414.7403.5395.7383.8
110°533.1461.2429.9408.4390.3375.4354.1
120°560.3470.3432.4408.1388.0371.5345.1
135°620.9503.7449.4420.6396.8375.1332.2
150°733.5584.0498.3452.0428.7411.3378.9
Run VMG847.0674.4575.4521.4494.7469.5422.4
Selected Courses
Windward / Leeward893.2722.4629.7583.1561.8545.1519.7
All purpose681.6564.9506.8477.0460.3447.6428.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward610.60.9826
All purpose493.31.2163
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8562
Downwind "popa"1.0487
70% up, 30% down "Ilhabela"0.9061
30% up, 70% down "Ilhabela-inverso"0.9825
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Predominantly Upwind535.31.1210
Predominantly Downwind496.91.2075
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low623.20.9628
Triple Number All Purpose Medium490.11.2243
Triple Number All Purpose High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Predominantly Upwind535.31.1210
Predominantly Downwind496.91.2075
Predominantly Upwind Low705.60.8503
Predominantly Upwind Medium554.91.0814
Predominantly Upwind High519.51.1550
Predominantly Downwind Low672.40.8923
Predominantly Downwind Medium492.41.2185
Predominantly Downwind High423.41.4170
Chicago-Mac Upwind1.1011
Chicago-Mac All Purpose1.1417
Chicago-Mac Downwind1.1883
Bayview-Mac Cove Island1.0630
Bayview-Mac Shore1.0680
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching464.31.2921
Predominantly Reaching Low557.11.0770
Predominantly Reaching Medium459.11.3069
Predominantly Reaching High410.01.4634
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low880.10.6818
5-Band Low / Medium739.80.8110
5-Band Medium595.81.0071
5-Band Medium / High546.91.0972
5-Band High524.11.1449
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance537.0
Triple Number Coastal/Long Distance Low623.2
Triple Number Coastal/Long Distance Medium490.1
Triple Number Coastal/Long Distance High443.8
Triple Number Windward/Leeward Low807.8
Triple Number Windward/Leeward Medium604.9
Triple Number Windward/Leeward High539.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9628
Triple Number Coastal/Long Distance Medium1.2243
Triple Number Coastal/Long Distance High1.3520
Triple Number Windward/Leeward Low0.7428
Triple Number Windward/Leeward Medium0.9919
Triple Number Windward/Leeward High1.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low623.2
Triple Number Coastal/Long Distance Medium490.1
Triple Number Coastal/Long Distance High443.8
Triple Number Windward/Leeward Low807.8
Triple Number Windward/Leeward Medium604.9
Triple Number Windward/Leeward High539.8
Predominantly Upwind535.3
Predominantly Downwind496.9
Predominantly Reaching474.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9628
Triple Number Coastal/Long Distance Medium1.2243
Triple Number Coastal/Long Distance High1.3520
Triple Number Windward/Leeward Low0.7428
Triple Number Windward/Leeward Medium0.9919
Triple Number Windward/Leeward High1.1116
Coastal/Long Distance1.1172
Predominantly Upwind1.1210
Predominantly Downwind1.2075
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9628
Tretall Distanseseilas Mellomvind1.2243
Tretall Distanseseilas Mye vind1.3520
Tretall Pølsebane Lite vind0.7428
Tretall Pølsebane Mellomvind0.9919
Tretall Pølsebane Mye vind1.1116
Distanseseilas ett tall (OSN 8-16kn)1.1172
Distanseseilas ett tall (APH 6-20kn)1.2163
Enkeltall Motvind1.1210
Enkeltall Medvind1.2075
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Coastal/Long Distance537.01.1172
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind535.31.1210
Predominantly Downwind496.91.2075
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore527.31.1378
Cape Doctor Coastal434.51.3808
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9628
Triple Number Coastal/Long Distance Medium1.2243
Triple Number Coastal/Long Distance High1.3520
Triple Number Windward/Leeward Low0.7428
Triple Number Windward/Leeward Medium0.9919
Triple Number Windward/Leeward High1.1116
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9628
Triple Number Coastal/Long Distance Medium1.2243
Triple Number Coastal/Long Distance High1.3520
Triple Number Windward/Leeward Low0.7428
Triple Number Windward/Leeward Medium0.9919
Triple Number Windward/Leeward High1.1116
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Predominantly Upwind535.31.1210
Predominantly Downwind496.91.2075
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low623.20.9628
Triple Number Coastal/Long Distance Medium490.11.2243
Triple Number Coastal/Long Distance High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.6678.4569.1508.7477.7452.4411.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low623.20.9628
Triple Number All Purpose Medium490.11.2243
Triple Number All Purpose High443.81.3520
Triple Number Windward/Leeward Low807.80.7428
Triple Number Windward/Leeward Medium604.90.9919
Triple Number Windward/Leeward High539.81.1116
Predominantly Upwind535.31.1210
Predominantly Downwind496.91.2075
Predominantly Upwind Low705.60.8503
Predominantly Upwind Medium554.91.0814
Predominantly Upwind High519.51.1550
Predominantly Downwind Low672.40.8923
Predominantly Downwind Medium492.41.2185
Predominantly Downwind High423.41.4170
Chicago-Mac Upwind1.1011
Chicago-Mac All Purpose1.1417
Chicago-Mac Downwind1.1883
Bayview-Mac Cove Island1.0630
Bayview-Mac Shore1.0680
Harvest Moon Regatta429.21.3979
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy523.51.1462
San Francisco Bay Medium596.31.0061
Predominantly Reaching464.31.2921
Predominantly Reaching Low557.11.0770
Predominantly Reaching Medium459.11.3069
Predominantly Reaching High410.01.4634
Windward/Leeward 60-40 Low817.20.7342
Windward/Leeward 60-40 Medium625.10.9598
Windward/Leeward 60-40 High567.51.0572
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low880.10.6818
5-Band Low / Medium739.80.8110
5-Band Medium595.81.0071
5-Band Medium / High546.91.0972
5-Band High524.11.1449
ORC Ref  03230002HWKIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Tonton

MLT274

Royal Malta Yacht Club
Ta' Xbiex Seafront,
Ta' Xbiex, XBX 1028
MALTA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 44Measurement05/04/2023HINPlan reviewHull constructionSolidCarbon RudderYesLight stanchionsNoTrim tabNo
LOA13.330Max. Beam4.226Draft2.313Displacement9,848Wetted area36.86IMS L12.092LSM011.864Acc. length13.330Sink (kg/mm) 29.01
VCGD0.089VCGM0.033RM Rated (kg·m) 295.6Limit of positive stability(°) 113.8Stability Index118.0BLR index1.1337
Water ballast weight247Water ballast LCG9.60Water ballast VCG0.66Water ballast TCG1.75
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.469PBWPIPA0.0040
EDL3.090ST10.065ST20.180
ST30.180ST40.110ST50.295
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders2Rotating mastNo
P18.170IG19.052ISP20.162MDT10.140MDL10.280MDT20.120MDL20.220TL0.900MW280.000GO310.000
E5.980J5.200BAS1.812FSD0.038SFJ0.130SPLWPLTPS7.200BD0.244MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date05/04/2023MeasurerComment
SFFP0.200FFM1.521FF1.518LCFcl7.460SG1.0290
SAFP12.650FAM1.139FA1.139LCFsh7.745HBI1.293
W1157.2W2157.2W3157.2W4157.2LCFD7.380
PD1237.9PD2247.3PD3234.1PD4239.3
WD5.670PLM9000.00GSA1.0RSA1.0RM293.0
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG1Movablewater balast tank 240 lt each side electrically pumped2479.600.661.75Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2waterWater35010.781fuelFuel701510.93Total deductible1310.93
OTHER ITEMSIdKindDescriptionWeightLCGVCG4Miscellaneousgalley with fridge and watermaker2Batterystarter battery 38 AH10.101Battery2 no. 200AH li ion8.333Engineengine Volvo D2409.60Total deductible
ORC Ref  03230002HWKIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Tonton

MLT274

Royal Malta Yacht Club
Ta' Xbiex Seafront,
Ta' Xbiex, XBX 1028
MALTA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.201.111.993.494.7760.6306/04/2023Black T
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1.50.100.821.542.864.195.4718.72YesNo 53.0306/04/2023Black TWS0.090.741.422.844.235.4818.68NoInner 52.4810/04/2023whiteJ20.080.811.562.884.135.4618.44YesNo 52.0606/04/2023Black TJ2.50.080.761.482.814.155.5017.41YesNo 48.7406/04/2021LaminateJ30.080.651.232.433.664.8918.28YesNo 44.7906/04/2023Black TJ40.090.571.102.243.494.8015.37YesNo 35.7206/04/2023SS0.080.440.751.762.793.8918.09NoNo 33.2210/04/2023LaminateJS0.070.390.731.542.463.4812.68NoInner 20.7510/04/2023laminate
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA221.5219.8220.6711.2411.3299%193.8806/04/2023WhiteA421.6519.1620.4110.259.86104%172.9706/04/2023whiteA020.1918.2519.227.7310.2775%131.9524/09/2019laminateA0o18.6815.8917.295.917.8675%90.7506/04/2023Laminate
ORC Ref  03230002HWKIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org