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A rhumb line makes the same angle with all meridians it crosses and appears as a straight line on a Mercator chart. The principal advantage of a rhumb line is that it maintains
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:
The formulas for determining a ship’s dead-reckoned position, given an initial known location, the vessel’s course and speed, and the time elapsed, are referred to as the sailing formulas....
The rhumb line connecting any two points of the great circle on the same side of the equator is a chord of the curve. Along any intersecting meridian the great circle crosses at
Navigation Principles. Enabling Objectives. Know terms associated with the terrestrial coordinate system; Equator, Prime Meridian, Great Circle, Small Circle, Parallel, Meridian, Latitude, Longitude, and Rhumb Line. Understand the concept of Projections and the main projections used in Navigation.
Rhumb line NavigatioNal algorithms 11 Chart approach Middle-Latitude Sailing A method that combines plane sailing and parallel sailing. Plane sailing is used to find difference of latitude and departure when course and distance are known, or vice versa. Parallel sailing is used to inter-convert departure and difference of longitude. The mean ...
Formulas, programs and calculations to obtain distance and course (bearing) - loxodromic distances (rhumb line) and orthodromic waypoints (great circle sailing) - orthodromic and loxodromic navigation calculator - two spreadsheet excel files - (free download and use!)
