MultihullClub Certificate2025
Serenata
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
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 Angles54.5°54.5°63.0°59.5°54.5°51.6°49.9°48.4°46.9°
Beat VMG0.570.851.262.192.993.553.954.465.16
52°0.921.372.053.554.855.766.377.128.17
60°1.021.622.534.375.666.436.987.768.89
75°0.841.943.515.306.337.047.618.519.79
90°0.852.053.725.436.447.177.788.8210.17
110°0.921.903.284.946.076.887.548.7010.04
120°0.931.803.004.515.726.587.288.509.81
135°0.941.742.784.055.246.186.948.289.60
150°0.941.712.683.824.955.896.678.019.30
Run VMG0.901.622.523.544.605.526.317.638.86
Gybe Angles170.0°170.0°170.0°169.4°170.3°172.1°173.2°174.5°174.5°
MHR:929.9CertNo:MC117
BOAT
ClassSunsail 424DesignerSimonis VoogdBuilderRobertson and CaineAge date02/2020Series date01/2020Offset fileLeopard 40.offData fileMC117-Sunsail424-Serenata
HULL
Length Overall12.674 mMaximum Beam7.042 mDraft1.410 mDisplacement14,681 kgDLR6.6058Dynamic Allowance0.000%Age Allowance0.163%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.431m
CREW
Weight680 kg(declared)Crew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail60.3167.62Headsail Luffed46.2446.24Headsail FlyingSymmetricAsymmetric
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.
MultihullClub Certificate2025
Serenata
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
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 VMG6370.54259.22847.01644.91205.11014.6911.1806.9697.0
52°3921.92622.21752.81012.7741.9625.0565.5505.8440.8
60°3517.62228.51423.5823.6636.0559.8515.9463.9404.9
75°4307.71855.51025.1679.5569.0511.6473.4422.8367.7
90°4255.61754.8967.2663.5558.7501.8462.5408.4354.0
110°3930.91892.41098.5728.4592.8523.5477.5413.9358.5
120°3867.21995.61201.8797.6629.5546.9494.6423.6366.8
135°3828.72063.91293.0889.4686.5582.6518.6434.7375.0
150°3823.82101.51341.6943.4727.6611.4539.7449.5387.2
Run VMG4008.02220.41430.11017.4783.2652.0570.9471.9406.2
Selected Courses
Windward / Leeward5161.93239.82138.51331.1994.1833.3741.0639.4551.6
All purpose4264.42504.31587.71000.1766.8655.8590.3513.4444.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward1213.00.4946
All purpose929.90.6452
 
MultihullClub Certificate2025
Serenata
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSunsail 424MeasurementHINDT6066
LOA12.674Max. Beam7.042Draft1.410Displacement14,681Dspl lightship14,001Wetted area45.94
Superstructure frontal area18.06Superstructure lateral area29.26Default crew weight422Declared crew weight680
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwYesHydro generatorNo
PRD0.431PBW0.108PIPA0.0456
EDL3.000ST10.042ST20.180
ST30.180ST40.112ST50.250
RIG
Single headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNoMast rakeMast cant angle
P16.000IG15.780ISPMDT10.175MDL10.290MDT20.175MDL20.290TLMW0.290GO0.290
E5.950J5.040JZ1.601BAS1.500FSD0.030SFJ0.300SPL0.000WPLTPS0.000BD
ForetrianglesIdITPTPZComment015.7805.0401.601main forestay00.0001.601ISP/TPS
FLOTATION
Flotation Date15/07/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
MultihullClub Certificate2025
Serenata
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.111.612.684.105.1660.31
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.080.701.382.694.085.5216.90NoNo046.24