RSS Feed
When making a landfall it should not be necessary for the OOW to have to minutely examine the chart to find which lights will be seen first. These will have been clearly shown on the chart with their maximum visibility range so that the OOW can concentrate on actually looking for the light concerned, [...]
Archive for the ‘Team Management’ Category
Abort Point
Posted by author on November 2nd, 2008
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 [...]
Luminous Range
Posted by author on September 20th, 2008
This is the maximum distance at which the light can be seen and is depending upon the intensity of the light and the atmospheric visibility prevailing. It takes no account of the height of the light nor that of the observer’s eye. The more intense the light the further it will be seen, whatever the [...]
Waypoints
Posted by author on September 8th, 2008
A way point is a position in a chart where a planned change of status will occur. It will often be a change of course but may be also be an event such as:¨
End or beginning of sea passage.
Change of speed.
Pilot embarkation point.
Anchor station.
Waypoint may also be used as useful reference points to determine [...]
Parallel Indexing
Posted by author on September 8th, 2008
Parallel Indexing (PI) is a useful method of monitoring cross track tendency in both and good visibility. It is good practice to inconspicuously marked the planned PI on the chart at the chart planning stage. Like any radar technique, it is advisable to practice using PIs extensively in good visibility before placing total reliance on [...]
Posted in Team Management 
Tags: bearing, countdown, headland, index lines, lighthouse, motion mode, navigation methods, navigation mark, parallel line, pi, planning stage, plotter, radar target, reflection, relative motion, tendency, tidal stream, visibility, visual navigation, weather 
No Comments »
