MultihullClub Certificate2025
DiamondGRE-2247
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 Angles45.7°45.7°44.7°43.8°43.0°41.9°40.7°39.4°39.4°
Beat VMG1.952.843.664.344.895.345.696.206.51
52°3.154.465.697.007.707.978.409.109.66
60°3.625.166.487.448.108.658.839.6810.47
75°3.965.627.007.898.569.239.4610.9312.76
90°4.005.717.148.068.799.5810.6614.4118.89
110°3.565.146.557.618.328.959.6812.1116.65
120°3.184.635.987.137.938.549.1510.8514.02
135°2.543.795.006.117.087.838.429.5911.31
150°2.103.194.295.316.277.167.899.0410.36
Run VMG1.892.883.884.825.736.587.368.569.71
Gybe Angles166.7°166.7°167.3°168.2°168.7°169.4°171.2°173.2°171.9°
MHR:560.9CertNo:MC126
BOAT
ClassCatana 42DesignerBarreau ChristopheBuilderCatanaAge date01/2013Series date01/2010Offset fileCatana_42.offData fileMC126-Catana42-Diamond
HULL
Length Overall12.580 mMaximum Beam6.898 mDraft2.301 mDisplacement10,018 kgDLR4.3763Dynamic Allowance0.430%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.440m
CREW
Weight418 kg(default)Non Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail56.4063.35Headsail Luffed42.0042.00Headsail Flying59.19SymmetricAsymmetric
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
DiamondGRE-2247
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 VMG1845.11266.6983.9830.2736.1674.7632.2580.5552.6
52°1144.5807.6632.9514.5467.7451.8428.4395.4372.6
60°995.1698.1555.8484.1444.5416.3407.7371.9343.7
75°908.2640.1514.1456.2420.6390.1380.4329.4282.2
90°900.9630.8504.0446.4409.6375.8337.6249.9190.6
110°1010.7699.8549.5473.1432.8402.2371.9297.2216.2
120°1132.7777.3602.1505.3454.1421.3393.3331.9256.9
135°1417.6950.2719.6589.7508.2459.7427.7375.5318.4
150°1712.71127.5839.5678.2573.9502.8456.5398.0347.5
Run VMG1903.91249.9927.8746.5628.8546.8489.3420.7370.9
Selected Courses
Windward / Leeward1873.21258.2955.9788.3682.5610.7560.7500.6461.7
All purpose1369.0933.0719.3603.0532.9485.6450.5393.2348.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward724.20.8286
All purpose560.91.0698
 
MultihullClub Certificate2025
DiamondGRE-2247
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCatana 42Measurement25/10/2025HINFP-CAT 42032G313
LOA12.580Max. Beam6.898Draft2.301Displacement10,018Dspl lightship9,600Wetted area40.04
Superstructure frontal area13.13Superstructure lateral area22.97Default crew weight418Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwYesHydro generatorNo
PRD0.440PBWPIPA0.0075
EDL1.000ST10.065ST20.180
ST30.180ST40.110ST50.300
RIG
Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays1Checkstays1Spreaders1Rotating mastNoMast rakeMast cant angle
P14.170IG14.525ISP16.350MDT10.140MDL10.260MDT2MDL2TLMWGO
E5.820J3.900JZ1.800BAS1.550FSDFoilSFJ0.580SPLWPLTPS5.360BD
ForetrianglesIdITPTPZComment014.5253.9001.800main forestay016.3505.3601.800ISP/TPS
FLOTATION
Flotation Date23/10/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
MultihullClub Certificate2025
DiamondGRE-2247
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain1.482.503.404.044.8056.40
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHSF0.041.102.063.975.597.3515.50NoYes059.19Genoa0.040.711.402.854.426.0514.30NoNo042.00