MultihullInternational Certificate2026
SophiaCAY-63
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 Angles43.3°43.3°44.4°51.3°45.4°46.7°52.0°47.4°51.9°
Beat VMG2.944.606.126.938.369.4610.8011.1512.13
52°4.587.069.4611.2413.2015.0117.5517.7919.69
60°4.917.5510.1612.3714.7417.2919.6019.9022.08
75°5.698.3210.5812.5116.7319.9421.5524.6524.53
90°5.108.7811.7911.6817.1220.9223.9327.5828.06
110°7.478.899.9012.9012.4214.5020.2026.2029.53
120°4.367.3310.0010.7413.1212.4915.3122.3427.91
135°4.546.107.579.8811.5712.9113.8419.9417.17
150°3.664.986.228.079.4510.7712.1213.0315.49
Run VMG3.174.315.396.998.189.3310.5011.2813.41
Gybe Angles134.8°134.8°138.2°130.7°134.3°137.2°139.9°140.6°148.0°
MHR:342.1CertNo:MH037
BOAT
ClassIrens 63DesignerNigel IrensBuilderMarsaudonAge date01/2011Series date01/2011Offset fileSophia.offData fileMH037-Sophia 63
HULL
Length Overall19.192 mMaximum Beam14.426 mDraft4.233 mDisplacement9,142 kgDLR1.0569Dynamic Allowance0.610%Age Allowance0.487%RSA-0.381%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.510m
CREW
Weight640 kg(declared)Crew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail111.62126.02Headsail Luffed82.6782.67Headsail Flying166.30SymmetricAsymmetric
COMMENTS
27/08/26 Foil designated as 'asymmetric board' ex Shockwave ex Paradox 3
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.
MultihullInternational Certificate2026
SophiaCAY-63
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 VMG1225.4782.4587.9519.2430.4380.4333.2322.8296.7
52°786.7510.0380.7320.2272.7239.9205.2202.4182.8
60°733.0477.1354.3290.9244.3208.2183.7180.9163.0
75°632.6432.7340.4287.7215.2180.6167.1146.1146.8
90°706.1410.2305.4308.3210.2172.1150.4130.5128.3
110°481.7405.0363.7279.0289.9248.3178.3137.4121.9
120°825.1491.0359.9335.3274.3288.1235.2161.2129.0
135°793.6590.1475.8364.3311.2279.0260.1180.6209.7
150°982.7722.7578.5446.1381.1334.2297.0276.4232.4
Run VMG1134.8834.5668.0515.1440.1385.9343.0319.1268.4
Selected Courses
Windward / Leeward1173.0808.5628.0517.2435.3383.2338.1321.0282.6
All purpose872.5593.3459.4385.8322.2284.4246.8222.5202.0
Single Number Scoring Options
Course Time On
Distance
Time On
Time
Windward / Leeward463.71.2939
All purpose342.11.7538
MultihullInternational Certificate2026
SophiaCAY-63
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIrens 63Measurement25/05/2026HIN1
LOA19.192Max. Beam14.426Draft4.233Displacement9,142Dspl lightship8,240Wetted area34.03
Superstructure frontal area9.90Superstructure lateral area31.04Default crew weight665Declared crew weight640
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.510PBWPIPA0.0041
EDL3.100ST10.065ST20.180
ST30.180ST40.110ST50.280
RIG
Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays1Spreaders0Jumper strutsNoRotating mastYesMast rakeMast cant angle
P22.200IG20.640ISP22.840MDT10.260MDL10.540MDT20.200MDL20.410TL6.700MW0.490GO0.490
E6.400J5.900JZ1.600BAS0.740FSDSFJ3.100SPLWPLTPS10.570BD0.200
ForetrianglesIdITPTPZComment020.6405.9001.600main forestay022.84010.5701.600ISP/TPS311.1003.4501.600216.3904.8301.600122.8408.3101.600
FLOTATION
Flotation Date25/05/2026
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.Wght Condition
Measurement
Level
Sailing
FFuel Tank2009.800.8400110WWater Tank609.801.00000
INVENTORY
IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGAB1124 A/h13.10    B2120 A/h13.10    #Foils and centerboard on board    EVolvoPenta 75D2    1Mainsail and battens 103010313.00    2Solent Jib 380386.00    3Staysail 33006.00    4GZero 380386.00    5Grand Gennaker 480486.00    6Anchors Fortress 55 + Brittany 150309.00    7Chain 5kg059.00   
MultihullInternational Certificate2026
SophiaCAY-63
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain253.003.454.295.245.98111.6201/07/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment3036-E0.052.204.107.5610.6712.1423.70NoYes0166.3029/01/2020G2-San Diego- HUW estimated3036-D1.963.827.179.9712.3024.60NoYes0165.6615/04/2019Code 65-OUS133676-001-Big GennakCode0-260.101.142.234.516.909.3223.67No31108.6912/02/2026J1-250.101.012.123.935.897.7520.95NoNo082.6701/07/2025J1- Leech 19.87