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 Angles44.1°41.8°39.3°38.1°37.6°37.3°37.6°
Beat VMG3.834.564.925.115.195.245.29
52°5.896.757.037.177.267.327.44
60°6.266.977.267.457.597.727.81
75°6.567.187.657.968.158.298.37
90°6.627.207.738.268.618.879.25
110°6.117.047.708.288.689.0610.23
120°5.926.967.618.379.129.6210.60
135°5.306.567.257.918.699.6212.25
150°4.505.656.617.217.718.3610.31
Run VMG3.904.895.736.246.687.248.93
Gybe Angles144.2°147.8°149.6°150.5°147.5°144.8°137.6°

APH: 529.6

CDL: 8.944

GPH: 589.2

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 Flying56.1656.16SymmetricAsymmetric99.7799.77 (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  034200028IWIssued on 24/08/2022Valid until 28/02/2023
VPP ver: 2022 1.04 | © 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 VMG939.5788.8731.1704.4693.3686.7680.5
52°610.9533.2512.0502.2495.9492.1483.8
60°575.1516.4495.6483.0474.4466.1461.1
75°548.5501.7470.5452.4441.9434.1430.0
90°543.7500.0465.9436.0417.9406.1389.3
110°589.4511.1467.2434.8415.0397.4351.9
120°607.9517.1472.8430.2394.7374.2339.6
135°679.7548.8496.4455.0414.4374.3294.0
150°800.0637.4544.3499.5466.9430.6349.3
Run VMG923.8736.0628.5576.5539.2497.2403.4
Selected Courses
Windward / Leeward931.6762.4679.8640.4616.2592.0541.9
All purpose712.0601.2547.9517.0496.2478.1442.4
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward660.50.9085
All purpose529.61.1330
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8039
Downwind "popa"0.9757
70% up, 30% down "Ilhabela"0.8488
30% up, 70% down "Ilhabela-inverso"0.9169
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind575.61.0425
Predominantly Downwind534.41.1228
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low656.60.9138
Triple Number All Purpose Medium529.11.1340
Triple Number All Purpose High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind575.61.0425
Predominantly Downwind534.41.1228
Predominantly Upwind Low726.70.8257
Predominantly Upwind Medium599.81.0004
Predominantly Upwind High567.61.0571
Predominantly Downwind Low721.40.8317
Predominantly Downwind Medium535.81.1199
Predominantly Downwind High431.81.3897
Chicago-Mac Upwind1.0254
Chicago-Mac All Purpose1.0638
Chicago-Mac Downwind1.1045
Bayview-Mac Cove Island1.0048
Bayview-Mac Shore1.0123
Victoria-Maui1.1937
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance576.4
Triple Number Coastal/Long Distance Low656.6
Triple Number Coastal/Long Distance Medium529.1
Triple Number Coastal/Long Distance High469.3
Triple Number Windward/Leeward Low847.0
Triple Number Windward/Leeward Medium657.7
Triple Number Windward/Leeward High579.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9138
Triple Number Coastal/Long Distance Medium1.1340
Triple Number Coastal/Long Distance High1.2786
Triple Number Windward/Leeward Low0.7084
Triple Number Windward/Leeward Medium0.9123
Triple Number Windward/Leeward High1.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low656.6
Triple Number Coastal/Long Distance Medium529.1
Triple Number Coastal/Long Distance High469.3
Triple Number Windward/Leeward Low847.0
Triple Number Windward/Leeward Medium657.7
Triple Number Windward/Leeward High579.3
Predominantly Upwind575.6
Predominantly Downwind534.4
Predominantly Reaching508.3
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9138
Triple Number Coastal/Long Distance Medium1.1340
Triple Number Coastal/Long Distance High1.2786
Triple Number Windward/Leeward Low0.7084
Triple Number Windward/Leeward Medium0.9123
Triple Number Windward/Leeward High1.0358
Coastal/Long Distance1.0409
Predominantly Upwind1.0425
Predominantly Downwind1.1228
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0409
Tretall Distanseseilas Lite vind0.9138
Tretall Distanseseilas Mellomvind1.1340
Tretall Distanseseilas Mye vind1.2786
Tretall Pølsebane Lite vind0.7084
Tretall Pølsebane Mellomvind0.9123
Tretall Pølsebane Mye vind1.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Coastal/Long Distance576.41.0409
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind575.61.0425
Predominantly Downwind534.41.1228
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore557.01.0773
Cape Doctor Coastal453.11.3241
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9138
Triple Number Coastal/Long Distance Medium1.1340
Triple Number Coastal/Long Distance High1.2786
Triple Number Windward/Leeward Low0.7084
Triple Number Windward/Leeward Medium0.9123
Triple Number Windward/Leeward High1.0358
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9138
Triple Number Coastal/Long Distance Medium1.1340
Triple Number Coastal/Long Distance High1.2786
Triple Number Windward/Leeward Low0.7084
Triple Number Windward/Leeward Medium0.9123
Triple Number Windward/Leeward High1.0358
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind575.61.0425
Predominantly Downwind534.41.1228
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance576.41.0409
Triple Number Coastal/Long Distance Low656.60.9138
Triple Number Coastal/Long Distance Medium529.11.1340
Triple Number Coastal/Long Distance High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance930.8718.5615.0553.3515.1480.6421.4
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low656.60.9138
Triple Number All Purpose Medium529.11.1340
Triple Number All Purpose High469.31.2786
Triple Number Windward/Leeward Low847.00.7084
Triple Number Windward/Leeward Medium657.70.9123
Triple Number Windward/Leeward High579.31.0358
Predominantly Upwind575.61.0425
Predominantly Downwind534.41.1228
Predominantly Upwind Low726.70.8257
Predominantly Upwind Medium599.81.0004
Predominantly Upwind High567.61.0571
Predominantly Downwind Low721.40.8317
Predominantly Downwind Medium535.81.1199
Predominantly Downwind High431.81.3897
Chicago-Mac Upwind1.0254
Chicago-Mac All Purpose1.0638
Chicago-Mac Downwind1.1045
Bayview-Mac Cove Island1.0048
Bayview-Mac Shore1.0123
Harvest Moon Regatta463.21.2952
Victoria-Maui1.1937
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low918.60.6532
5-Band Low / Medium782.70.7666
5-Band Medium649.00.9245
5-Band Medium / High591.71.0140
5-Band High550.61.0897
ORC Ref  034200028IWIssued on 24/08/2022Valid until 28/02/2023
VPP ver: 2022 1.04 | © 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 constructionSolidCarbon 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 IdISPTPS112.9455.155
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  034200028IWIssued on 24/08/2022Valid until 28/02/2023
VPP ver: 2022 1.04 | © 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.DateMakerMaterialCommentC0Q0.031.082.124.146.067.8013.89NoYes156.1624/08/2022QuantumPolyesterRoller10.130.741.342.303.274.2412.48YesNo 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  034200028IWIssued on 24/08/2022Valid until 28/02/2023
VPP ver: 2022 1.04 | © ORC | www.orc.org