MultihullClub Certificate2025
SeaBiscuitSA 4630
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 Angles46.5°46.5°46.0°46.0°44.8°44.4°42.8°43.3°43.8°
Beat VMG1.972.833.604.274.835.315.766.446.35
52°3.134.475.676.747.578.298.8910.079.97
60°2.364.887.628.739.848.989.7611.4411.44
75°4.756.708.259.5711.4210.1011.5215.1915.74
90°4.936.848.419.9712.4916.1818.1818.9420.62
110°4.256.197.959.4611.3313.7616.4621.8819.93
120°4.075.997.759.1610.8713.0815.6320.7824.30
135°3.525.296.988.339.5811.1813.1617.4821.93
150°2.974.425.857.198.289.3310.8114.3418.01
Run VMG2.573.835.076.237.178.089.3612.4215.59
Gybe Angles142.0°142.0°142.1°146.0°148.9°146.0°138.3°138.4°137.9°
MHR:477.5CertNo:MC103
BOAT
ClassSchionning Arrow 1200DesignerSchionningBuilderCurrent MarineAge date06/2019Series date06/2014Offset fileSchionningArrow1200.offData fileMC103-SeaBiscuit SA4630
HULL
Length Overall12.000 mMaximum Beam6.480 mDraft2.405 mDisplacement5,086 kgDLR2.6905Dynamic Allowance0.140%Age Allowance0.357%
PROPELLER
InstallationShaft non exposedTypeFeathering 3 bladesDiameter0.400m
CREW
Weight510 kg(declared)Non Manual PowerSailsCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail56.0263.61Headsail Luffed21.5521.55Headsail Flying66.30SymmetricAsymmetric105.79
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
SeaBiscuitSA 4630
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 VMG1824.71272.21000.5843.7746.1678.1624.9558.8567.0
52°1150.2805.5634.8534.2475.8434.1405.0357.4361.0
60°1523.1737.8472.6412.1366.0400.7368.7314.8314.8
75°757.8537.6436.6376.1315.1356.5312.5236.9228.7
90°730.7526.6427.9360.9288.3222.4198.1190.1174.6
110°847.3581.9453.0380.4317.7261.6218.7164.5180.6
120°884.8600.8464.6393.1331.2275.3230.4173.3148.1
135°1021.6680.4515.6432.2375.9322.1273.5205.9164.2
150°1211.1813.7615.4500.8434.8386.1333.1251.0199.9
Run VMG1398.4939.6710.6578.3502.0445.8384.7289.8230.9
Selected Courses
Windward / Leeward1610.81105.9855.6711.0624.0561.9504.8424.3398.9
All purpose1182.3806.8624.0523.3453.7410.7366.3305.3290.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward654.30.9170
All purpose477.51.2564
 
MultihullClub Certificate2025
SeaBiscuitSA 4630
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSchionning Arrow 1200Measurement04/02/2025HIN
LOA12.000Max. Beam6.480Draft2.405Displacement5,086Dspl lightship4,576Wetted area26.80
Superstructure frontal area11.71Superstructure lateral area21.51Default crew weight397Declared crew weight510
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft non exposedTwin screwYesHydro generatorNo
PRD0.400PBW0.125PIPA0.0111
PSD0.025PHD0.080PHL0.160
PSA20.0°ESL1.130
RIG
Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastYesMast rakeMast cant angle
P15.970IG13.615ISP15.430MDT10.170MDL10.340MDT20.170MDL20.340TLMW0.340GO0.390
E4.660J4.060JZ1.688BAS0.980FSD0.057SFJ1.500SPLWPLTPS6.240BD0.280
ForetrianglesIdITPTPZComment013.6154.0601.688main forestay015.4306.2401.688ISP/TPS
FLOTATION
Flotation Date17/02/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
MultihullClub Certificate2025
SeaBiscuitSA 4630
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM11.281.993.013.854.2856.0220/11/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentSCR-10.041.112.254.386.428.2015.53NoYes066.3020/11/2024J3-10.090.390.731.532.463.4113.27NoNo021.5520/11/2024ST-10.060.240.430.901.502.217.38NoNo07.4020/11/2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentA2-117.2814.5615.927.878.3994%0105.7920/11/2024White