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Rated boat velocities in knots| Wind Velocity | 6 kt
| 8 kt
| 10 kt
| 12 kt
| 14 kt
| 16 kt
| 20 kt
| 24 kt
|
| Beat Angles | 44.2° | 42.1° | 40.8° | 40.1° | 39.5° | 39.1° | 39.1° | 40.3° |
| Beat VMG | 2.74 | 3.37 | 3.82 | 4.15 | 4.37 | 4.49 | 4.52 | 4.43 |
| 52° | 4.21 | 5.05 | 5.64 | 6.02 | 6.23 | 6.37 | 6.45 | 6.43 |
| 60° | 4.45 | 5.29 | 5.86 | 6.19 | 6.39 | 6.53 | 6.65 | 6.66 |
| 75° | 4.59 | 5.46 | 6.03 | 6.34 | 6.55 | 6.70 | 6.93 | 7.03 |
| 90° | 4.48 | 5.38 | 6.01 | 6.36 | 6.59 | 6.76 | 7.05 | 7.29 |
| 110° | 4.03 | 5.02 | 5.79 | 6.28 | 6.58 | 6.80 | 7.20 | 7.59 |
| 120° | 3.82 | 4.81 | 5.60 | 6.16 | 6.50 | 6.74 | 7.16 | 7.60 |
| 135° | 3.38 | 4.36 | 5.16 | 5.82 | 6.27 | 6.56 | 7.00 | 7.43 |
| 150° | 2.93 | 3.85 | 4.65 | 5.34 | 5.92 | 6.31 | 6.79 | 7.20 |
| Run VMG | 2.53 | 3.35 | 4.10 | 4.77 | 5.37 | 5.89 | 6.54 | 6.95 |
| Gybe Angles | 150.7° | 155.0° | 162.2° | 169.4° | 173.9° | 177.2° | 179.5° | 178.1° |
APH ToD:691.7CDL: 6.962APH ToT: 0.8674CertNo:
BOATClassFIRST 305DesignerFINOTBuilderBENETEAUAge date01.1987Series date01.1986Offset fileH098.BOFData fileAA1447RUS92_Melody
HULLLength Overall9.370 mMaximum Beam3.222 mDraft1.791 mDisplacement4 462 kgDLR9.3222IMS DivisionCruiser/RacerDynamic Allowance0.560%Age Allowance0.487%
PROPELLERInstallationShaft exposedTypeFolding 2 bladesDiameter0.360m
CREWMaximum weight320 kg(declared)Minimum weight190 kg
* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail18.8619.20Headsail Luffed22.3622.36Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS
(m²)
Trysail5.41Storm Jib6.17Heavy Weather Jib16.66
SAIL LIMITSHeadsails1
Spinnakers0
* Spinnaker pole aboard
STABILITYRighting 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.
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Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)ClassFIRST 305Measurement05.06.2022HIN0144085-465-3361Plan reviewHull constructionSolidCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.370Max. Beam3.222Draft1.791Displacement4 462Wetted area19.64IMS L7.990LSM07.822Acc. length9.370Sink (kg/mm)
13.82
VCGD-0.075VCGM0.018RM Rated
(kg·m)
67.8Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight485Declared crew weight320
PROPELLERPropeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBW0.109PIPA0.0062
PSD0.025PHD0.078PHL0.125
PSA23.0°ESL0.890
ST10.029ST20.098ST30.098
ST40.056ST50.167
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunners/Checkstays0Spreaders1Rotating mastNo
P10.000IG10.960ISP11.430MDT10.110MDL10.170MDT20.000MDL20.000TLNo TaperMW0.175GO0.220
E3.090J3.420BAS1.400FSD0.040SFJ0.000SPL3.230WPLTPSBD0.120MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date05.06.2022
SFFP0.539FFM1.062FF1.075LCFcl5.179SG1.0110
SAFP8.558FAM0.900FA0.906LCFsh5.421HBI0.981
INVENTORYIdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGASaSSailor Services4.750.00
INVENTORYFixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGSaSDeductibleSailor Services594.750.00Total deductible594.750.00
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-10.130.701.262.042.6318.8601.06.2024
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH-10.060.521.012.073.164.2510.65NoNo 22.3601.06.2024
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit
4
Food stowage0.24 m³Fuel capacity38 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.