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  2. Great-circle navigation - Wikipedia

    en.wikipedia.org/wiki/Great-circle_navigation

    Great-circle navigation or orthodromic navigation (related to orthodromic course; from Ancient Greek ορθός (orthós) 'right angle' and δρόμος (drómos) 'path') is the practice of navigating a vessel (a ship or aircraft) along a great circle. Such routes yield the shortest distance between two points on the globe. [1]

  3. Clipper route - Wikipedia

    en.wikipedia.org/wiki/Clipper_route

    The great circle route from the Cape of Good Hope to Australia, curving down to 60 degrees south, is 1,000 miles (1,600 km) shorter, and would also offer the strongest winds. Ship masters would therefore go as far south as they dared, weighing the risk of ice against a fast passage.

  4. Rhumb line - Wikipedia

    en.wikipedia.org/wiki/Rhumb_line

    The great circle route over the North Pole is 13,000 km (7,000 nmi), or 5 + 1 ⁄ 2 hours less flying time at a typical cruising speed. Some old maps in the Mercator projection have grids composed of lines of latitude and longitude but also show rhumb lines which are oriented directly towards north, at a right angle from the north, or at some ...

  5. Marine navigation - Wikipedia

    en.wikipedia.org/wiki/Marine_navigation

    Marine navigation is the art and science of steering a ship from a starting point (sailing) to a destination, efficiently and responsibly. It is an art because of the skill that the navigator must have to avoid the dangers of navigation, and it is a science because it is based on physical , mathematical , oceanographic , cartographic ...

  6. North Atlantic air ferry route in World War II - Wikipedia

    en.wikipedia.org/wiki/North_Atlantic_air_ferry...

    The Crimson Route was a planned Great Circle route to ferry aircraft from manufacturing plants in Southern California and Seattle via Montana over Canada to Greenland using Arctic air routes. This route had the advantage of avoiding the poor weather over the North Atlantic by flying over the high latitudes of northern Canada to Greenland, then ...

  7. Nautical chart - Wikipedia

    en.wikipedia.org/wiki/Nautical_chart

    To keep the projection conformal, the projection increases the displayed distance between lines of latitude (north–south distances) in proportion; thus a square is shown as a square everywhere on the chart, but a square on the Arctic Circle appears much bigger than a square of the same size at the equator.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. 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.