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An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...
The capsize screening formula (CSF) is a controversial method of establishing the ability of boats to resist capsizing. It is defined for sailboats as: Beam / ((Displacement/64.2) 1/3), with Displacement measured in pounds, and Beam in feet. A lower figure supposedly indicates greater stability, however the calculation does not consider factors ...
Graphical representation of the dimensions used to describe a ship. Dimension "b" is the beam at waterline.. The beam of a ship is its width at its widest point. The maximum beam (B MAX) is the distance between planes passing through the outer sides of the ship, beam of the hull (B H) only includes permanently fixed parts of the hull, and beam at waterline (B WL) is the maximum width where the ...
Navigation status Day shape Restriction 1. Anchored Ball not required if < 7 m and where vessels normally do not navigate 2. Vessel under sail and power Cone, apex down 3. Vessel towing Diamond Tow > 200 m 3. Vessel being towed Diamond Tow > 200 m 4,11. Fishing (with restricted maneuvrability) 2 cones (apexes together)
The Roman ship Isis was a very large ship that operated on the Mediterranean during the Roman Empire around 150 AD, carrying grain from Egypt to Italy.The Isis was apparently 55 meters (180 feet) long and had a beam of 13.7 meters (45 feet).
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Typical data includes vessel name, details, location, speed and heading on a map, is searchable, has potentially unlimited, global range and the history is archived. Most of this data is free of charge but satellite data and special services such as searching the archives are usually supplied at a cost.
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