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The ship would sail north or south until the latitude of the destination was reached, and the ship would then sail east or west along the rhumb line (actually a parallel, which is a special case of the rhumb line), maintaining a constant latitude and recording regular estimates of the distance sailed until evidence of land was sighted.
Over a longer oceanic passage, it makes sense to travel on a Great Circle Circle than the Rhumb Line due to the extra time and energy involved. Sailing between Cadiz (Spain) and Miami (US), this could amount to a day’s sailing over the passage ( 150 NM less).
Short distance sailing is a term which is applied to sailing along a rhumb-line for distances less than 600 nautical miles. From the formulas derived above, the following are used extensively in short distance sailing:
There are two types of Sailings: Great Circle and Rhumb Lines. Both will be described in detail in this chapter. 1201. Terms and Definitions. In solutions of the sailings, the following quantities are used: Arc min. Minutes of arc; for example, 234 arc min is usually indicated as 234' in formulae. Course (Cn).
Using two different examples, this video shows how to calculate the course and distance between two positions; and how to calculate the position arrived if d...
Rhumb-line Sailing | The Journal of Navigation | Cambridge Core. Home. > Journals. > The Journal of Navigation. > Volume 23 Issue 4. > Rhumb-line Sailing. English. Français. Rhumb-line Sailing. Published online by Cambridge University Press: 18 January 2010. J. E. D. Williams. Article. Metrics. Save PDF. Cite. Rights & Permissions. Extract.
Composite sailing, as its name implies, involves the use of a composite track. An initial great circle, which at its vertex meets some limiting parallel of latitude, is followed by a rhumb line along the parallel to the vertex of a final great circle which takes the ship to its destination.
