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The point system is a common way of identifying the location of contacts relative to the heading of a ship. It is a form of relative bearing. The point system uses 32 evenly spaced imaginary points that circle the ship starting at the forward bow. Individual points sit at intervals of 11.25°, similar to compass bearings. [1]
Using this system, the navigator does not immediately update every chart in the portfolio when a new Notice to Mariners arrives, instead creating a card for every chart and noting the correction on this card. When the time comes to use the chart, he pulls the chart and chart's card, and makes the indicated corrections on the chart.
[8]: 10 [9] The most common chart size was early established as the "Double-elephant", about 39 X 25.5 inches, and this has continued to be the case. [10] Chart design gradually simplified over the years, with less detail on land, focusing on features visible to the mariner. Contours were increasingly used for hills instead of hatching.
Nautical almanac used to determine the position in the sky of a celestial body after a sight has been taken. Parallel rules used for transferring a line to a parallel position. Also used to compare the orientation of a line to a magnetic or geographic orientation on a compass rose .
The word nautical derives from the Latin nauticus, from Greek nautikos, from nautēs: "sailor", from naus: "ship". Further information on nautical terminology may also be found at Nautical metaphors in English , and additional military terms are listed in the Multiservice tactical brevity code article.
The Magnetic North Pole is currently in Northern Canada and is moving generally south. A straight line can be drawn from the Geographic North Pole, down to the Magnetic North Pole and then continued straight down to the equator. This line is known as the agonic line, and the line is also moving. In the year 1900, the agonic line passed roughly ...
Navigation (from the Latin word navigatio) is the act of sailing or voyaging.Nautical (from Latin nautĭca, and this from Greek ναυτική [τέχνη] nautikḗ [téjne] "[art of] sailing" and from ναύτης nautes "sailor") is that pertaining to navigation and the science and art of sailing.
Download as PDF; Printable version; In other projects ... Glossary of nautical terms may refer to: Glossary of nautical terms (A–L) Glossary of nautical terms (M ...