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  2. Aeronautical chart - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_chart

    An aeronautical chart is a map designed to assist in the navigation of aircraft, much as nautical charts do for watercraft, or a roadmap does for drivers. Using these charts and other tools, pilots are able to determine their position, safe altitude, best route to a destination, navigation aids along the way, alternative landing areas in case of an in-flight emergency, and other useful ...

  3. Maximum elevation figure - Wikipedia

    en.wikipedia.org/wiki/Maximum_Elevation_Figure

    MEF's of 4700 and 3300 feet are shown on this excerpt from the FAA's Los Angeles sectional aeronautical chart. Maximum elevation figure (MEF) is a type of visual flight rule (VFR) information that indicates the elevation of the highest geographical feature within a GEOREF quadrangle area.

  4. En-route chart - Wikipedia

    en.wikipedia.org/wiki/En-route_chart

    En-route charts are divided into high and low versions, with information on airways and navaids for high- and low-altitude flight, respectively. The division between low altitude and high altitude is usually defined as the altitude that marks transition to flight levels (in the United States , this is taken to be 18,000 feet MSL by convention).

  5. Jeppesen - Wikipedia

    en.wikipedia.org/wiki/Jeppesen

    The company was founded in 1934 by Elrey Borge Jeppesen, a pilot working for Varney Air Lines, who was the first to make aeronautical charts for pilots to navigate in flight. The information that he collected and the charts that he drew were at first only for personal use, but fellow pilots quickly saw the benefits of using these charts, and ...

  6. Airway (aviation) - Wikipedia

    en.wikipedia.org/wiki/Airway_(aviation)

    Low altitude airways (below 18,000 feet (5,500 m) MSL) that are based on VOR stations, appear on sectional charts, world aeronautical charts, and en route low altitude charts and are designated with the prefix "V" (pronounced victor, hence, victor airways). Victor airways are usually assigned odd route numbers for north-south routes and even ...

  7. Aeronautical chart conventions (United States) - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_chart...

    A sectional chart is a two-sided chart created from a Lambert Conformal Conic Projection [1] with two defined standard parallels. The scale is 1:500,000, with a contour interval of 500 feet. The size of each sectional is designed to be "arm's width" when completely unfolded.

  8. 9 Antique Items You Could Sell for Thousands of Dollars

    www.aol.com/9-antique-items-could-sell-190033573...

    Coins worth a lot of money include the 1933 Double Eagle, 1794 Flowing Hair Dollar, 1787 Brasher Doubloon, 1861 Paquet Liberty Head Double Eagle and 1913 Liberty Head Nickel. First Edition Books

  9. Lambert conformal conic projection - Wikipedia

    en.wikipedia.org/wiki/Lambert_conformal_conic...

    Pilots use aeronautical charts based on LCC because a straight line drawn on a Lambert conformal conic projection approximates a great-circle route between endpoints for typical flight distances. The US systems of VFR (visual flight rules) sectional charts and terminal area charts are drafted on the LCC with standard parallels at 33°N and 45 ...

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