International
Certificate
2022

Boat

OPTIMUM 4

GRE-046

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.6°41.2°39.0°38.1°37.6°37.2°37.6°
Beat VMG3.614.374.915.115.195.245.29
52°5.486.466.947.157.247.297.44
60°5.786.677.107.387.527.617.81
75°6.036.817.247.688.038.218.37
90°5.976.947.347.728.248.729.25
110°6.067.047.708.288.689.069.77
120°5.926.967.618.379.129.6210.60
135°5.306.567.257.918.699.6212.25
150°4.505.656.617.217.718.3610.30
Run VMG3.904.895.736.246.687.248.92
Gybe Angles144.2°147.8°149.6°150.5°147.5°144.8°137.6°

APH: 536.0

CDL: 8.944

GPH: 599.5

CertNo: 02050

BOAT
ClassDEHLER 30 ODDesignerBuilderDEHLERAge date01/2021Series date08/2019Offset fileDEHLER30.OD.OFFData fileGR046
HULL
Length Overall9.120 mMaximum Beam3.262 mDraft2.168 mDisplacement2,750 kgDLR3.9809IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.098%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight500 kgMinimum weight375 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.4834.41Headsail Luffed28.1928.19Headsail FlyingSymmetricAsymmetric99.7799.77 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail8.19Storm Jib7.47Heavy Weather Jib20.15
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment89.5 kg·mStability Index119.0
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  03420001STFIssued on 21/03/2022Valid until 28/02/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
2022

Boat

OPTIMUM 4

GRE-046

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG997.2824.5733.6704.4693.3686.7680.5
52°656.4557.5518.6503.7497.4494.0483.8
60°622.5539.9506.8487.7478.5473.3461.1
75°597.0528.6497.4468.7448.4438.6430.0
90°603.4518.7490.7466.2436.9412.7389.3
110°594.3511.1467.3434.9415.0397.3368.3
120°607.9517.1472.8430.2394.7374.2339.6
135°679.7548.8496.4455.0414.4374.3294.0
150°800.0637.4544.3499.6466.9430.6349.4
Run VMG923.8736.0628.6576.5539.2497.2403.4
Selected Courses
Windward / Leeward960.5780.3681.1640.4616.2592.0542.0
All purpose741.2616.3554.3521.8499.0479.3444.1
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward663.90.9037
All purpose536.01.1193
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7894
Downwind "popa"0.9757
70% up, 30% down "Ilhabela"0.8374
30% up, 70% down "Ilhabela-inverso"0.9112
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind585.21.0253
Predominantly Downwind539.81.1115
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low678.80.8839
Triple Number All Purpose Medium534.81.1219
Triple Number All Purpose High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind585.21.0253
Predominantly Downwind539.81.1115
Predominantly Upwind Low760.30.7892
Predominantly Upwind Medium606.70.9889
Predominantly Upwind High568.91.0547
Predominantly Downwind Low733.50.8180
Predominantly Downwind Medium538.91.1134
Predominantly Downwind High432.71.3865
Chicago-Mac Upwind1.0096
Chicago-Mac All Purpose1.0488
Chicago-Mac Downwind1.0937
Bayview-Mac Cove Island0.9790
Bayview-Mac Shore0.9859
Victoria-Maui1.1825
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance583.0
Triple Number Coastal/Long Distance Low678.8
Triple Number Coastal/Long Distance Medium534.8
Triple Number Coastal/Long Distance High471.0
Triple Number Windward/Leeward Low870.3
Triple Number Windward/Leeward Medium659.6
Triple Number Windward/Leeward High579.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8839
Triple Number Coastal/Long Distance Medium1.1219
Triple Number Coastal/Long Distance High1.2738
Triple Number Windward/Leeward Low0.6894
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low678.8
Triple Number Coastal/Long Distance Medium534.8
Triple Number Coastal/Long Distance High471.0
Triple Number Windward/Leeward Low870.3
Triple Number Windward/Leeward Medium659.6
Triple Number Windward/Leeward High579.3
Predominantly Upwind585.2
Predominantly Downwind539.8
Predominantly Reaching517.5
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8839
Triple Number Coastal/Long Distance Medium1.1219
Triple Number Coastal/Long Distance High1.2738
Triple Number Windward/Leeward Low0.6894
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0358
Coastal/Long Distance1.0292
Predominantly Upwind1.0253
Predominantly Downwind1.1115
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0292
Tretall Distanseseilas Lite vind0.8839
Tretall Distanseseilas Mellomvind1.1219
Tretall Distanseseilas Mye vind1.2738
Tretall Pølsebane Lite vind0.6894
Tretall Pølsebane Mellomvind0.9097
Tretall Pølsebane Mye vind1.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Coastal/Long Distance583.01.0292
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind585.21.0253
Predominantly Downwind539.81.1115
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore557.01.0773
Cape Doctor Coastal454.61.3197
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8839
Triple Number Coastal/Long Distance Medium1.1219
Triple Number Coastal/Long Distance High1.2738
Triple Number Windward/Leeward Low0.6894
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0358
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8839
Triple Number Coastal/Long Distance Medium1.1219
Triple Number Coastal/Long Distance High1.2738
Triple Number Windward/Leeward Low0.6894
Triple Number Windward/Leeward Medium0.9097
Triple Number Windward/Leeward High1.0358
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind585.21.0253
Predominantly Downwind539.81.1115
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance583.01.0292
Triple Number Coastal/Long Distance Low678.80.8839
Triple Number Coastal/Long Distance Medium534.81.1219
Triple Number Coastal/Long Distance High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.8734.9618.8557.0518.2483.1421.4
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low678.80.8839
Triple Number All Purpose Medium534.81.1219
Triple Number All Purpose High471.01.2738
Triple Number Windward/Leeward Low870.30.6894
Triple Number Windward/Leeward Medium659.60.9097
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind585.21.0253
Predominantly Downwind539.81.1115
Predominantly Upwind Low760.30.7892
Predominantly Upwind Medium606.70.9889
Predominantly Upwind High568.91.0547
Predominantly Downwind Low733.50.8180
Predominantly Downwind Medium538.91.1134
Predominantly Downwind High432.71.3865
Chicago-Mac Upwind1.0096
Chicago-Mac All Purpose1.0488
Chicago-Mac Downwind1.0937
Bayview-Mac Cove Island0.9790
Bayview-Mac Shore0.9859
Harvest Moon Regatta469.31.2785
Victoria-Maui1.1825
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low946.60.6339
5-Band Low / Medium798.90.7510
5-Band Medium650.60.9222
5-Band Medium / High591.71.0140
5-Band High550.61.0897
ORC Ref  03420001STFIssued on 21/03/2022Valid until 28/02/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
2022

Boat

OPTIMUM 4

GRE-046

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDEHLER 30 ODMeasurement16/03/2022HINPlan reviewHull constructionSolidAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.120Max. Beam3.262Draft2.168Displacement2,750Wetted area18.57IMS L8.900LSM08.839Acc. length9.120Sink (kg/mm) 15.30
VCGD-0.341VCGM-0.217RM Measured (kg·m) 89.5RM Default (kg·m) 74.3Limit of positive stability(°) 124.7Stability Index119.0
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1
P12.000IG12.215ISP13.045MDT10.112MDL10.179MDT20.105MDL20.155TL0.800MW0.179GO0.179
E3.900J4.110BAS1.136FSD0.000SFJ0.200SPLWPLTPS5.440BD0.170MWT67.80MCG5.150
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date16/03/2022MeasurerGRE-21Comment
SFFP0.300FFM0.703FF0.702LCFcl5.309SG1.0270
SAFP9.050FAM0.907FA0.908LCFsh5.553HBI1.110
W194.1W294.1W394.1W494.1LCFD6.200
PD1295.0PD2294.9PD3288.1PD4288.3
WD3.520PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FUEL PVC hard (S)Fuel2557.00-0.052WATER PVC soft bag (S)4003.503HOLDING PVC hard (P)3004.90Total deductible47.00-0.05
OTHER ITEMSIdKindDescriptionWeightLCGVCG3MiscellaneousCUSHIONS AFT CABIN2Battery1 x 90 Ah (P)4.501EngineNANNI 2.10Total deductible
ORC Ref  03420001STFIssued on 21/03/2022Valid until 28/02/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
2022

Boat

OPTIMUM 4

GRE-046

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment11.401.662.202.943.4433.4806/03/2022Unknown
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment10.130.741.342.303.274.2412.48YesNo 28.1906/03/2022Unknown20.050.410.781.552.353.119.16NoInner 14.3206/03/2022Unknown
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA215.1212.9914.068.488.6798%99.7706/03/2022UnknownA514.5412.6013.576.817.8787%79.4106/03/2022Unknown
ORC Ref  03420001STFIssued on 21/03/2022Valid until 28/02/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org