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2. Navigational instrument - Wikipedia

   en.wikipedia.org/wiki/Navigational_instrument

   Navigational instruments are instruments used by nautical navigators and pilots as tools of their trade. The purpose of navigation is to ascertain the present position and to determine the speed, direction , etc. to arrive at the port or point of destination.

3. History of navigation - Wikipedia

   en.wikipedia.org/wiki/History_of_navigation

   Polynesian navigators used a range of tools and methods, including observation of birds, star navigation, and use of waves and swells to detect nearby land. Songs, mythological stories, and star charts were used to help people remember important navigational information.

4. Marine navigation - Wikipedia

   en.wikipedia.org/wiki/Marine_navigation

   Navigation that follows a rhumb line — that is, all meridians are cut at the same angle. On a nautical chart following the Mercator projection, a loxodromic is represented by a straight line. This type of navigation is useful for not too long distances, as it allows the course to remain steady, [16] but it does not offer the shortest distance.

5. Nautical chart - Wikipedia

   en.wikipedia.org/wiki/Nautical_chart

   Nautical charts are essential tools for marine navigation; many countries require vessels, especially commercial ships, to carry them. Nautical charting may take the form of charts printed on paper (raster navigational charts) or computerized electronic navigational charts. Recent technologies have made available paper charts which are printed ...

6. Chip log - Wikipedia

   en.wikipedia.org/wiki/Chip_log

   A chip log, also called common log, [1] ship log, or just log, is a navigation tool mariners use to estimate the speed of a vessel through water. The word knot , to mean nautical mile per hour , derives from this measurement method.

7. Compass - Wikipedia

   en.wikipedia.org/wiki/Compass

   A modern military compass, with included sight device for aligning. A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north.

8. Navigation - Wikipedia

   en.wikipedia.org/wiki/Navigation

   A navigation system on an oil tanker. Navigation [1] is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another. [2] The field of navigation includes four general categories: land navigation, [3] marine navigation, aeronautic navigation, and space navigation. [1]

9. Rutter (nautical) - Wikipedia

   en.wikipedia.org/wiki/Rutter_(nautical)

   Translated into English as the Rutter of the Sea in 1528, it was reprinted many times, and remained the pre-eminent rutter used by English sailors for decades. [ 6 ] Another frequently used rutter was the work Portolano by Pietro Coppo , published in Venice in 1528, which included a collection of sea charts and the description of Christopher ...