MultihullInternational Certificate2026
Highland Fling XVIIIMON 888
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 Angles44.7°44.7°44.2°42.5°42.5°41.5°41.0°42.8°42.5°
Beat VMG3.515.046.427.618.589.579.8410.1810.40
52°5.637.939.9011.5713.0114.4515.0015.7116.22
60°6.418.7210.5412.2813.8715.6916.4117.3818.15
75°6.869.5611.6512.9814.9317.5519.0020.5421.43
90°6.859.7011.8612.8415.0617.8319.3621.2425.19
110°6.749.2711.4313.6214.7215.2218.0224.7728.08
120°6.178.7410.9312.8215.1417.4118.9720.8926.58
135°4.877.349.6711.4013.0414.9517.3022.3326.78
150°4.006.017.959.5910.9812.4214.1518.3223.08
Run VMG3.475.206.898.319.5110.7512.2615.8719.98
Gybe Angles136.7°136.7°137.7°142.1°145.3°144.9°138.8°138.6°140.8°
MHR:318.1CertNo:MH30
BOAT
ClassVPLP Custom 80DesignerVPLPBuilderGunboatAge date07/2023Series date07/2023Offset fileMH030i.offData fileMH30-Highland Fling 18
HULL
Length Overall23.929 mMaximum Beam10.244 mDraft5.572 mDisplacement25,124 kgDLR1.9668Dynamic Allowance0.090%Age Allowance0.098%RSA-0.458%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Weight950 kg(declared)Crew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail217.87243.81Headsail Luffed136.17136.17Headsail Flying197.31SymmetricAsymmetric446.83
COMMENTS
Transom Interceptor length 15mm Tanks CG corrected
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
Highland Fling XVIIIMON 888
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 VMG1024.7714.3561.0473.0419.4376.1365.7353.8346.1
52°639.3453.8363.5311.2276.8249.1239.9229.2221.9
60°561.5413.0341.5293.3259.5229.4219.3207.2198.4
75°525.0376.7309.1277.3241.1205.2189.5175.3168.0
90°525.2371.0303.6280.4239.0201.9185.9169.5142.9
110°534.4388.4315.0264.3244.6236.6199.8145.3128.2
120°583.8411.9329.2280.7237.8206.8189.7172.3135.4
135°739.5490.6372.1315.7276.1240.8208.1161.2134.4
150°899.6599.4452.8375.2327.9289.9254.4196.5156.0
Run VMG1038.8692.1522.8433.3378.6334.8293.7226.9180.1
Selected Courses
Windward / Leeward1030.8703.2541.9453.1399.0355.4329.7290.3263.1
All purpose746.9519.3408.4346.8305.1271.7250.0220.2198.2
Single Number Scoring Options
Course Time On
Distance
Time On
Time
Windward / Leeward418.21.4346
All purpose318.11.8865
MultihullInternational Certificate2026
Highland Fling XVIIIMON 888
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassVPLP Custom 80MeasurementHIN1
LOA23.929Max. Beam10.244Draft5.572Displacement25,124Dspl lightship20,814Wetted area84.86
Superstructure frontal area26.93Superstructure lateral area65.69Default crew weight848Declared crew weight950
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Jumper strutsNoRotating mastYesMast rake5°Mast cant angle0°
P30.200IG26.309ISP31.099MDT10.350MDL10.665MDT20.140MDL20.568TL4.720MW0.660GO0.660
E9.990J10.442JZ2.090BAS0.823FSDSFJ1.340SPLWPLTPS12.417BD0.500
ForetrianglesIdITPTPZComment026.30910.4422.090main forestay031.09912.4172.090ISP/TPS227.82911.6402.090J1 FRO323.8298.9952.090Staysail J3130.02912.0202.090C0 MH0
FLOTATION
Flotation Date11/05/2026
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.Wght Condition
Measurement
Level
Sailing
6Black Water Port20012.90-0.101.0000710.0505Black Water Starboard20012.90-0.101.0000160.0504Water Starboard70016.90-0.101.00002970.8573Water Port70016.90-0.101.00005550.8572Fuel Starboard70014.90-0.100.84007000.8571Fuel Port70014.90-0.100.84007000.857
INVENTORY
IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA19Chain80mHRf7D12026410.001.70    16Anchor and Swivel01152.001.80    15A3-B8383    14Fenders1515    11Anchor33339.401.50    13Spares & misc0018.00    12Anchor Rode35359.401.50    10Anchor Chain559.401.50    9Storm Trysail00    8Storm Jib00    7MHO-A1271274.50    6J4-A73734.50    5J2-B90904.50    4J1-A 10001004.50    3FRO-A00    2A1.5-B 83000.00    1Mainsail RMN-A19119115.40   
MultihullInternational Certificate2026
Highland Fling XVIIIMON 888
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMainB3.934.525.847.498.75217.8713/05/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-A0.101.713.376.699.9111.2431.18NoYes2197.3131/07/2023OSP95596-02; 100.23kg; Leech 26.45; Foot 13.1; Ft Offset 0.615 "J1A is a headsail set flying"J2-B0.161.242.374.556.929.8128.83NoNo0136.1730/04/2024FurlingJ4-B0.101.122.194.336.488.6521.50NoInner393.2923/01/202693726SS260.090.993.695.366.9121.22NoInner075.9414/05/2026HUW taken as HTW
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentA3-B34.8131.6033.2115.1620.1075%0446.8319/01/202693725MHO-A33.2329.5231.3813.1017.2076%1363.9507/11/2023OSP339-04; 126.8kg