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  2. Nautical chart - Wikipedia

    en.wikipedia.org/wiki/Nautical_chart

    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.

  3. Navigational instrument - Wikipedia

    en.wikipedia.org/wiki/Navigational_instrument

    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 .

  4. Nautical almanac - Wikipedia

    en.wikipedia.org/wiki/Nautical_almanac

    A nautical almanac is a publication describing the positions of a selection of celestial bodies for the purpose of enabling navigators to use celestial navigation to determine the position of their ship while at sea.

  5. Heading (navigation) - Wikipedia

    en.wikipedia.org/wiki/Heading_(navigation)

    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 ...

  6. Nautical publications - Wikipedia

    en.wikipedia.org/wiki/Nautical_publications

    Using this system, the navigator does not immediately update every publication in the library 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 publication, the navigator pulls the publication and its card, and makes the indicated corrections ...

  7. Course (navigation) - Wikipedia

    en.wikipedia.org/wiki/Course_(navigation)

    Instruments used to plot a course on a nautical chart. In navigation, the course of a watercraft or aircraft is the cardinal direction in which the craft is to be steered. The course is to be distinguished from the heading, which is the direction where the watercraft's bow or the aircraft's nose is pointed.

  8. Bowditch's American Practical Navigator - Wikipedia

    en.wikipedia.org/wiki/Bowditch's_American...

    By 1802, when Blunt was ready to publish a third edition, Nathaniel Bowditch and others had corrected so many errors in Moore's work that Blunt decided to publish it as the first edition of a new work, The New American Practical Navigator. The current edition of the American Practical Navigator traces its pedigree to that 1802 edition. Edmund M ...

  9. Marine navigation - Wikipedia

    en.wikipedia.org/wiki/Marine_navigation

    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.