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Aeronautical Charts The charts provide an abundance of information, including airport data, navigational aids, airspace, and topography. An aeronautical chart is the road map for a pilot flying under Figure 16-1 is an excerpt from the legend of a sectional VFR. The chart provides information that allows pilots to track chart. By referring to the chart legend, a pilot can interpret their position and provides available information that enhances most of the information on the chart. A pilot should also safety. The three aeronautical charts used by VFR pilots are: check the chart for other legend information, which includes • Sectional air traffic control (ATC) frequencies and information on • VFR Terminal Area airspace. These charts are revised semiannually except for some areas outside the conterminous United States where • World Aeronautical they are revised annually. A free catalog listing aeronautical charts and related VFR Terminal Area Charts publications including prices and instructions for ordering is VFR terminal area charts are helpful when flying in or near available at the Aeronautical Navigation Products website: Class B airspace. They have a scale of 1:250,000 (1 inch www.aeronav.faa.gov. = 3.43 NM or approximately 4 SM). These charts provide a more detailed display of topographical information and Sectional Charts are revised semiannually, except for several Alaskan and Sectional charts are the most common charts used by pilots Caribbean charts. [Figure 16-2] today. The charts have a scale of 1:500,000 (1 inch = 6.86 nautical miles (NM) or approximately 8 statute miles (SM)), World Aeronautical Charts which allows for more detailed information to be included World aeronautical charts are designed to provide a standard on the chart. series of aeronautical charts, covering land areas of the world, Figure 16-1. Sectional chart and legend. 16-2