International
Certificate
2023

Boat

OHANA

USA 61117

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.2°41.8°40.0°39.4°38.8°38.7°38.7°
Beat VMG3.664.515.105.405.555.635.69
52°5.656.767.447.787.938.028.11
60°5.997.057.698.018.188.288.38
75°6.227.267.868.228.488.668.87
90°6.177.367.968.258.588.899.36
110°6.257.518.208.669.039.309.79
120°6.087.378.128.659.169.6410.34
135°5.456.787.738.328.849.3810.64
150°4.595.836.887.668.148.519.29
Run VMG3.985.055.966.647.057.498.38
Gybe Angles143.0°146.6°148.7°149.6°150.5°171.2°175.7°

APH: 509.8

CDL: 10.966

GPH: 572.6

CertNo: US7367

BOAT
ClassDehler 42 SDDesignerJudel/VrolijkBuilderDehler YachtsAge date04/2017Series date01/2016Offset fileDEHLER42-USA61117+.offData fileUSA61117
HULL
Length Overall12.369 mMaximum Beam3.920 mDraft2.149 mDisplacement8,809 kgDLR5.3931IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.228%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight887 kgMinimum weight665 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail58.3859.56Headsail Luffed43.2943.29Headsail FlyingSymmetricAsymmetric151.56151.56 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail17.11Storm Jib14.34Heavy Weather Jib38.72
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment257.7 kg·mStability Index124.2
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.

International
Certificate
2023

Boat

OHANA

USA 61117

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG982.4797.9705.8666.8648.7639.2633.1
52°637.1532.9483.6462.7453.9448.8444.0
60°601.2510.3468.4449.3440.3435.0429.6
75°578.5495.7458.0437.8424.5415.6406.0
90°583.6489.3452.4436.4419.4404.9384.7
110°575.7479.3439.1415.7398.8387.2367.9
120°591.7488.3443.2416.2393.1373.5348.0
135°660.2531.0465.9432.9407.2383.7338.3
150°783.6617.9523.1469.8442.3423.0387.4
Run VMG904.9713.5604.1542.5510.5480.6429.4
Selected Courses
Windward / Leeward943.6755.7654.9604.6579.6559.9531.2
All purpose724.0590.8524.5491.6472.4457.9436.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward633.60.9470
All purpose509.81.1770
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8277
Downwind "popa"1.0035
70% up, 30% down "Ilhabela"0.8737
30% up, 70% down "Ilhabela-inverso"0.9434
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Predominantly Upwind553.31.0844
Predominantly Downwind516.51.1616
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low657.40.9127
Triple Number All Purpose Medium506.01.1857
Triple Number All Purpose High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Predominantly Upwind553.31.0844
Predominantly Downwind516.51.1616
Predominantly Upwind Low738.90.8120
Predominantly Upwind Medium571.91.0491
Predominantly Upwind High531.81.1282
Predominantly Downwind Low712.60.8420
Predominantly Downwind Medium512.31.1713
Predominantly Downwind High433.01.3858
Chicago-Mac Upwind1.0650
Chicago-Mac All Purpose1.1002
Chicago-Mac Downwind1.1423
Bayview-Mac Cove Island1.0215
Bayview-Mac Shore1.0301
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching482.71.2429
Predominantly Reaching Low592.61.0125
Predominantly Reaching Medium477.21.2574
Predominantly Reaching High418.81.4325
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low929.20.6457
5-Band Low / Medium775.30.7739
5-Band Medium617.70.9714
5-Band Medium / High562.21.0673
5-Band High536.21.1190
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance555.6
Triple Number Coastal/Long Distance Low657.4
Triple Number Coastal/Long Distance Medium506.0
Triple Number Coastal/Long Distance High453.7
Triple Number Windward/Leeward Low849.6
Triple Number Windward/Leeward Medium627.7
Triple Number Windward/Leeward High554.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9127
Triple Number Coastal/Long Distance Medium1.1857
Triple Number Coastal/Long Distance High1.3226
Triple Number Windward/Leeward Low0.7062
Triple Number Windward/Leeward Medium0.9558
Triple Number Windward/Leeward High1.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low657.4
Triple Number Coastal/Long Distance Medium506.0
Triple Number Coastal/Long Distance High453.7
Triple Number Windward/Leeward Low849.6
Triple Number Windward/Leeward Medium627.7
Triple Number Windward/Leeward High554.1
Predominantly Upwind553.3
Predominantly Downwind516.5
Predominantly Reaching494.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9127
Triple Number Coastal/Long Distance Medium1.1857
Triple Number Coastal/Long Distance High1.3226
Triple Number Windward/Leeward Low0.7062
Triple Number Windward/Leeward Medium0.9558
Triple Number Windward/Leeward High1.0829
Coastal/Long Distance1.0800
Predominantly Upwind1.0844
Predominantly Downwind1.1616
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9127
Tretall Distanseseilas Mellomvind1.1857
Tretall Distanseseilas Mye vind1.3226
Tretall Pølsebane Lite vind0.7062
Tretall Pølsebane Mellomvind0.9558
Tretall Pølsebane Mye vind1.0829
Distanseseilas ett tall (OSN 8-16kn)1.0800
Distanseseilas ett tall (APH 6-20kn)1.1770
Enkeltall Motvind1.0844
Enkeltall Medvind1.1616
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Coastal/Long Distance555.61.0800
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind553.31.0844
Predominantly Downwind516.51.1616
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore539.81.1114
Cape Doctor Coastal443.21.3538
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9127
Triple Number Coastal/Long Distance Medium1.1857
Triple Number Coastal/Long Distance High1.3226
Triple Number Windward/Leeward Low0.7062
Triple Number Windward/Leeward Medium0.9558
Triple Number Windward/Leeward High1.0829
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9127
Triple Number Coastal/Long Distance Medium1.1857
Triple Number Coastal/Long Distance High1.3226
Triple Number Windward/Leeward Low0.7062
Triple Number Windward/Leeward Medium0.9558
Triple Number Windward/Leeward High1.0829
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Predominantly Upwind553.31.0844
Predominantly Downwind516.51.1616
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low657.40.9127
Triple Number Coastal/Long Distance Medium506.01.1857
Triple Number Coastal/Long Distance High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.8709.8590.6525.3490.6461.8416.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low657.40.9127
Triple Number All Purpose Medium506.01.1857
Triple Number All Purpose High453.71.3226
Triple Number Windward/Leeward Low849.60.7062
Triple Number Windward/Leeward Medium627.70.9558
Triple Number Windward/Leeward High554.11.0829
Predominantly Upwind553.31.0844
Predominantly Downwind516.51.1616
Predominantly Upwind Low738.90.8120
Predominantly Upwind Medium571.91.0491
Predominantly Upwind High531.81.1282
Predominantly Downwind Low712.60.8420
Predominantly Downwind Medium512.31.1713
Predominantly Downwind High433.01.3858
Chicago-Mac Upwind1.0650
Chicago-Mac All Purpose1.1002
Chicago-Mac Downwind1.1423
Bayview-Mac Cove Island1.0215
Bayview-Mac Shore1.0301
Harvest Moon Regatta440.51.3621
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy537.51.1162
San Francisco Bay Medium618.50.9702
Predominantly Reaching482.71.2429
Predominantly Reaching Low592.61.0125
Predominantly Reaching Medium477.21.2574
Predominantly Reaching High418.81.4325
Windward/Leeward 60-40 Low857.80.6995
Windward/Leeward 60-40 Medium647.70.9264
Windward/Leeward 60-40 High583.11.0290
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low929.20.6457
5-Band Low / Medium775.30.7739
5-Band Medium617.70.9714
5-Band Medium / High562.21.0673
5-Band High536.21.1190

International
Certificate
2023

Boat

OHANA

USA 61117

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDehler 42 SDMeasurement28/04/2021HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.369Max. Beam3.920Draft2.149Displacement8,809Wetted area36.51IMS L11.903LSM011.776Acc. length12.369Sink (kg/mm) 27.72
VCGD-0.121VCGM0.012RM Rated (kg·m) 257.7Limit of positive stability(°) 119.5Stability Index124.2
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBW0.143PIPA0.0043
EDL2.000ST10.064ST20.178
ST30.178ST40.110ST50.365
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P16.900IG16.817ISP18.847MDT10.129MDL10.240MDT20.085MDL20.199TL1.750MW0.240GO0.272
E5.785J4.635BAS1.717FSD0.038SFJ0.365SPLWPLTPS5.675BD0.250MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date28/04/2021MeasurerComment
SFFP0.273FFM1.187FF1.184LCFcl6.871SG1.0150
SAFP11.989FAM0.986FA1.003LCFsh7.127HBI1.316
W1122.8W2122.8W3122.8W4122.8
PD1451.5PD2451.5PD3451.5PD4451.5
WD12.198PLM9000.00GSA1.0RSA1.0RM261.3
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel stbd sideFuel1601609.75-0.10Total deductible1349.75-0.10
Total deductible

International
Certificate
2023

Boat

OHANA

USA 61117

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain 200.151.252.233.744.8558.3809/02/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentD Light 10.070.771.442.643.804.8716.82NoNo 43.2919/05/2021J-20.070.771.442.643.804.8716.63NoNo 42.8006/05/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA-219.0416.5317.7910.309.93104%151.5617/12/2018recut A-2A217.3413.5715.468.328.05103%106.4628/05/2022ID: 135750