MOCRA Certificate2026
TCF: 1.1547
Trying
851M
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 Angles46.0°46.0°44.4°42.5°39.7°40.0°42.2°42.2°52.0°
Beat VMG2.513.263.814.504.674.794.934.914.74
52°3.985.115.896.776.806.997.437.947.69
60°4.355.536.297.177.227.427.568.538.68
75°4.806.036.757.717.968.438.9110.3812.02
90°4.806.227.077.828.789.8711.5114.4317.59
110°4.736.237.318.399.1410.9213.0312.6218.45
120°4.676.197.298.399.3910.5112.7117.7315.30
135°3.915.617.058.019.0310.5012.1815.0920.16
150°3.234.736.117.198.078.9510.3713.8817.26
Run VMG2.794.105.296.236.997.758.9812.0214.94
Gybe Angles143.0°143.0°145.7°150.9°150.9°146.0°143.1°144.0°148.2°
MHR:519.6CertNo:MC185
BOAT
ClassCross 38DesignerNorman CrossBuilderCanadaAge date01/1984Series date01/1984Offset fileTrying170526a.offData fileMC185-Cross_38-Trying
HULL
Length Overall11.700 mMaximum Beam6.414 mDraft1.822 mDisplacement4,010 kgDLR2.6737Dynamic Allowance0.000%Age Allowance0.487%RSA-0.127%
PROPELLER
InstallationShaft non exposedTypeFolding 2 bladesDiameter0.440m
CREW
Weight386 kg(default)Crew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.5844.81Headsail Luffed30.7322.27Headsail FlyingSymmetricAsymmetric107.35
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.
MOCRA Certificate2026
TCF: 1.1547
Trying
851M
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 VMG1432.31104.5945.0800.4770.5751.4730.6733.6760.2
52°904.5703.9611.1531.5529.8514.8484.3453.3468.0
60°828.3650.7572.0502.1498.8485.2476.1421.8415.0
75°749.2597.1533.1466.7452.1427.2403.9346.9299.4
90°749.2578.8508.9460.1410.1364.8312.7249.6204.7
110°760.5577.9492.6429.0394.0329.7276.3285.2195.1
120°771.4581.6493.7428.9383.2342.4283.2203.0235.4
135°920.2641.7510.7449.4398.9342.9295.6238.6178.6
150°1116.2761.1589.1500.5446.3402.2347.3259.4208.6
Run VMG1288.6878.8680.3577.6515.1464.4401.0299.5240.9
Selected Courses
Windward / Leeward1351.0991.7812.6689.0642.8607.9565.8516.5500.5
All purpose1005.5752.8631.1544.1508.6473.2433.6389.4365.1
Single Number Scoring Options
Course Time On
Distance
Time On
Time
Windward / Leeward665.50.9016
All purpose519.61.1547
MOCRA Certificate2026
TCF: 1.1547
Trying
851M
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCross 38MeasurementHIN
LOA11.700Max. Beam6.414Draft1.822Displacement4,010Dspl lightship3,624Wetted area18.20
Superstructure frontal area8.35Superstructure lateral area17.17Default crew weight386Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.440PBW0.100PIPA0.0007
PSD0.020PHD0.050PHL0.110
PSA17.0°ESL0.035
RIG
Single headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays1Checkstays0Spreaders2Jumper strutsNoRotating mastNoMast rakeMast cant angle
P13.190IG12.930ISP13.300MDT10.110MDL10.211MDT20.110MDL20.211TLMWGO
E4.190J4.920JZ1.186BAS0.850FSDSFJ0.100SPLWPLTPS6.325BD
ForetrianglesIdITPTPZComment012.9304.9201.186main forestay013.3006.3251.186ISP/TPS
FLOTATION
Flotation Date23/04/2026
BALLAST
TANKS
INVENTORY
IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA1Beta 20 inboard104104    2Battery 74 Ah1717    3Battery 74 Ah1717    4Bunk Cushions44    5Reacher/Code 01010    6Storm jib55   
MOCRA Certificate2026
TCF: 1.1547
Trying
851M
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain251.511.822.463.273.8140.5812/07/2025Leach 13.33
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.050.641.182.283.374.5013.50NoNo030.7330/04/2026Jib 250.050.380.731.552.543.9812.83NoNo022.2712/07/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentASpin16.6313.3715.008.708.14107%0107.3512/07/2025