When approaching constrained waters the ship may come to a position beyond which it will not be possible to do other than to proceed termed as point of no return. It will be the position where the ship enters water so narrow that there’s no room to turn or where it is not possible to [...]
Posts Tagged ‘circumstances’
Deviation from Track
Posted by author on September 6th, 2008
Ideally the ship will follow the planned track but under certain circumstances it may be necessary to deviate from such track, having to alter for another ship. Even so, such deviation from track should be limited so that the ship does not enter areas where it may be at risk or closely approaching the margins [...]
Margin of Safety
Posted by author on September 2nd, 2008
Before tracks are marked on the chart the clearing distance from the no go areas needs to be considered. When a fixed is plotted on a chart it invariably represents the position of a certain part of the ships bridge at the time of the fix. With large ships, although the plotted fixed at a [...]
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