Double HandedClub Certificate2025
AmphitriteFIN 12088
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 Angles44.2°44.2°42.0°40.8°39.9°39.4°39.1°39.0°39.7°
Beat VMG2.363.304.084.655.025.215.315.395.36
52°3.725.096.126.857.287.507.607.717.73
60°3.995.406.427.107.517.727.847.957.98
75°4.195.626.637.307.707.948.108.288.38
90°4.085.526.567.277.717.998.228.548.75
110°3.554.976.137.007.587.968.248.759.26
120°3.284.655.826.737.407.838.148.699.26
135°2.744.015.176.126.907.487.888.469.01
150°2.313.394.425.366.176.857.388.088.63
Run VMG1.972.933.884.805.636.377.017.908.49
Gybe Angles144.8°144.8°173.9°176.6°178.4°179.3°179.5°179.8°180.0°
APH ToD:578.3CDL: 10.023APH ToT: 1.0376CertNo:
BOAT
ClassDehler 43 cwsDesignerVan De StadtBuilderDehlerAge date01/1996Series date05/1992Offset fileH188.BOFData fileFIN12088
HULL
Length Overall13.210 mMaximum Beam3.904 mDraft2.126 mDisplacement10,100 kgDLR6.8982IMS DivisionCruiser/RacerDynamic Allowance0.360%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 3 bladesDiameter0.460m
CREW
Maximum weight180 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail52.9053.48Headsail Luffed33.1633.16Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail17.01Storm Jib10.52Heavy Weather Jib28.39
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers0
✱ No 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
AmphitriteFIN 12088
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 VMG1526.91089.8882.1774.6717.5690.8677.5667.5671.6
52°966.7707.5587.8525.7494.7480.1473.4466.9465.7
60°901.4667.2561.2506.7479.6466.3459.4452.9450.9
75°859.9640.4542.6493.1467.8453.5444.5434.5429.6
90°882.2652.5548.5495.0467.1450.4438.1421.8411.2
110°1012.8724.6587.3514.3474.9452.5436.7411.3389.0
120°1099.0774.8618.4534.5486.7459.8442.1414.4389.0
135°1312.7898.7696.7587.8521.5481.2456.8425.5399.5
150°1561.31062.4814.6671.5583.8525.7487.7445.7417.3
Run VMG1826.51226.7927.3750.8639.9565.3513.4455.9424.2
Selected Courses
Windward / Leeward1674.61158.2904.7762.7678.7628.1595.5561.7547.9
All purpose1238.6875.9700.8605.6551.4519.9500.1477.6464.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward717.80.8359
All purpose578.31.0376
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7637
Downwind "popa"0.8269
70% up, 30% down "Ilhabela"0.7816
30% up, 70% down "Ilhabela-inverso"0.8068
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Predominantly Upwind613.70.9776
Predominantly Downwind606.60.9891
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low788.30.7611
Triple Number AP Medium574.11.0451
Triple Number AP High496.61.2082
Triple Number Windward/Leeward Low1081.80.5546
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Single Number Predominant Upwind641.30.9356
Single Number Predominant Reaching579.81.0348
Single Number Predominant Downwind640.90.9362
Predominant Upwind - Low930.90.6445
Predominant Upwind - Low/Med688.00.8721
Predominant Upwind - Medium588.31.0199
Predominant Upwind - Med/High538.21.1149
Predominant Upwind - High520.61.1526
Predominant Downwind Low1016.20.5904
Predominant Downwind Low/Med713.20.8413
Predominant Downwind Medium577.91.0383
Predominant Downwind Med/High496.91.2074
Predominant Downwind High460.81.3022
Predominant Reaching Low855.90.7010
Predominant Reaching Low/Med627.90.9556
Predominant Reaching Medium531.61.1286
Predominant Reaching Med/High478.21.2548
Predominant Reaching High454.71.3196
SA/DSPL Upwind18.28SA/DSPL Downwind18.28
Scoring OptionTODTOT
5-Band Windward/Leeward Low1224.50.4900
5-Band Windward/Leeward Low/Med858.60.6988
5-Band Windward/Leeward Medium696.10.8619
5-Band Windward/Leeward Med/High602.30.9962
5-Band Windward/Leeward High565.21.0616
Windward/Leeward 60-40 Low1209.00.4963
Windward/Leeward 60-40 Low/Med857.00.7001
Windward/Leeward 60-40 Medium703.50.8529
Windward/Leeward 60-40 Med/High618.10.9707
Windward/Leeward 60-40 High586.11.0237
5-Band AP Low890.60.6737
5-Band AP Low/Med671.00.8942
5-Band AP Medium563.31.0652
5-Band AP Med/High504.01.1906
5-Band AP High479.31.2519
5-Band SF Bay Tour - Low1039.20.5773
5-Band SF Bay Tour - Low/Med818.00.7335
5-Band SF Bay Tour - Medium671.70.8933
5-Band SF Bay Tour - Med/High590.11.0168
5-Band SF Bay Tour - High558.51.0744
Chicago-Mac Upwind0.9012
Chicago-Mac All Purpose0.9034
Chicago-Mac Downwind0.8941
Bayview-Mac Cove Island0.6292
Bayview-Mac Shore0.6369
Harvest Moon Regatta497.51.2061
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance634.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating634.50.9457
FinRating, kevyt tuuli1206.10.8291
FinRating, kova tuuli483.41.0344
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9457
Triple Number Coastal/Long Distance Low0.7611
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.2082
Triple Number Windward/Leeward Low0.5817
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High1.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
For information
General Purpose Handicap (GPH)658.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low788.3
Triple Number Coastal/Long Distance Medium574.0
Triple Number Coastal/Long Distance High496.6
Triple Number Windward/Leeward Low1031.5
Triple Number Windward/Leeward Medium712.8
Triple Number Windward/Leeward High591.0
Predominantly Upwind613.7
Predominantly Downwind606.6
Predominantly Reaching570.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7611
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.2082
Triple Number Windward/Leeward Low0.5817
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High1.0153
Coastal/Long Distance0.9457
Predominantly Upwind0.9776
Predominantly Downwind0.9891
For information
General Purpose Handicap (GPH)658.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0376
Distanseseilas Trippeltall svak vind0.7611
Distanseseilas Trippeltall mellomvind1.0453
Distanseseilas Trippeltall sterk vind1.2082
Pølsebane Trippeltall svak vind0.5817
Pølsebane Trippeltall mellomvind0.8417
Pølsebane Trippeltall sterk vind1.0153
Motvind Singeltall0.9776
Medvind Singeltall0.9891
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Coastal/Long Distance634.50.9457
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind613.70.9776
Predominantly Downwind606.60.9891
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore552.01.0869
Cape Doctor Coastal468.61.2803
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7611
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.2082
Triple Number Windward/Leeward Low0.5817
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High1.0153
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7611
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.2082
Triple Number Windward/Leeward Low0.5817
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High1.0153
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Predominantly Upwind613.70.9776
Predominantly Downwind606.60.9891
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.50.9457
Triple Number Coastal/Long Distance Low788.30.7611
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High496.61.2082
Triple Number Windward/Leeward Low1031.50.5817
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1815.11165.1850.9686.0590.5540.6506.0458.1443.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low788.30.7611
Triple Number AP Medium574.11.0451
Triple Number AP High496.61.2082
Triple Number Windward/Leeward Low1081.80.5546
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High591.01.0153
Single Number Predominant Upwind641.30.9356
Single Number Predominant Reaching579.81.0348
Single Number Predominant Downwind640.90.9362
Predominant Upwind - Low930.90.6445
Predominant Upwind - Low/Med688.00.8721
Predominant Upwind - Medium588.31.0199
Predominant Upwind - Med/High538.21.1149
Predominant Upwind - High520.61.1526
Predominant Downwind Low1016.20.5904
Predominant Downwind Low/Med713.20.8413
Predominant Downwind Medium577.91.0383
Predominant Downwind Med/High496.91.2074
Predominant Downwind High460.81.3022
Predominant Reaching Low855.90.7010
Predominant Reaching Low/Med627.90.9556
Predominant Reaching Medium531.61.1286
Predominant Reaching Med/High478.21.2548
Predominant Reaching High454.71.3196
SA/DSPL Upwind18.28SA/DSPL Downwind18.28
Scoring OptionTODTOT
5-Band Windward/Leeward Low1224.50.4900
5-Band Windward/Leeward Low/Med858.60.6988
5-Band Windward/Leeward Medium696.10.8619
5-Band Windward/Leeward Med/High602.30.9962
5-Band Windward/Leeward High565.21.0616
Windward/Leeward 60-40 Low1209.00.4963
Windward/Leeward 60-40 Low/Med857.00.7001
Windward/Leeward 60-40 Medium703.50.8529
Windward/Leeward 60-40 Med/High618.10.9707
Windward/Leeward 60-40 High586.11.0237
5-Band AP Low890.60.6737
5-Band AP Low/Med671.00.8942
5-Band AP Medium563.31.0652
5-Band AP Med/High504.01.1906
5-Band AP High479.31.2519
5-Band SF Bay Tour - Low1039.20.5773
5-Band SF Bay Tour - Low/Med818.00.7335
5-Band SF Bay Tour - Medium671.70.8933
5-Band SF Bay Tour - Med/High590.11.0168
5-Band SF Bay Tour - High558.51.0744
Chicago-Mac Upwind0.9012
Chicago-Mac All Purpose0.9034
Chicago-Mac Downwind0.8941
Bayview-Mac Cove Island0.6292
Bayview-Mac Shore0.6369
Harvest Moon Regatta497.51.2061
Double HandedClub Certificate2025
AmphitriteFIN 12088
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDehler 43 cwsMeasurement27/05/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA13.210Max. Beam3.904Draft2.126Displacement10,100Wetted area37.64IMS L11.382LSM011.354Acc. length12.688Sink (kg/mm) 27.36
VCGD-0.021VCGM0.050RM Rated (kg·m) 252.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight180
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.460PBWPIPA0.0021
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P16.200IG14.500ISP14.760MDT10.124MDL10.220MDT2MDL2TLNo TaperMWGO
E6.000J4.500BAS1.880FSDSFJ0.340SPLWPLTPS4.500BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date27/05/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
AmphitriteFIN 12088
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.191.021.863.404.7152.9012/05/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.010.581.092.143.254.3915.24NoNo 33.1612/05/2023
CRUISER/RACER REQUIREMENTS*
Accommodation length12.7 mTable area0.55 m²Headroom1.84 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity167 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity104 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.