A World Aeronautical Chart (WAC) was a type of aeronautical chart used for navigation by pilots of moderate speed aircraft and aircraft at high altitudes in the United States. They are at a scale of 1:1,000,000 (about 1 inch = 13.7 nautical miles or 16 statute miles). WACs were discontinued by the Federal Aviation Administration (FAA) in 2015.
These charts are similar to sectional charts, and the symbols are the same. However, there is less detail at the smaller scale, so it is seldom used for visual flight rules flight at slower speeds or for local flights. WACs show topographic information, airports and radio navigational aids. They are useful for strategic flight planning, where a view of the entire flight area is useful.
These charts are revised annually, except for several Alaskan charts and the Mexican/Caribbean charts which are revised every 2 years. Australian WAC charts are amended every 3 to 5 years.
A set of 12 WACs covered the continental United States and 8 others covered Alaska. Canadian airspace is covered by a set of 18 WACs. The 43 Australian WACs are indexed according to a geographic name or a corresponding 4-digit number.
Unlike sectional charts, North American WACs are named according to an international "grid system" having a combination of letters and numbers. For example, WAC CF-16 covered the Pacific Northwest, and E-15 covers the British Columbia area. Letters progress from A at the north pole to U at the southern tip of Argentina. The numbers generally progress from 1 at the Greenwich meridian and increasing to the east, to a maximum of 29, depending upon the number of charts required at that latitude.
On June 23, 2015, FAA officially stopped providing the World Aeronautical Chart due to a decline in interest and technological advances. Charts: CC–8, CC–9; CD–10, CD–11, CD–12; CE–12, CE–13, CE–15; CF–16, CF–17, CF–18, CF–19; CG–18, CG–19, CG–20, CG–21; CH–22, CH–23, and CH–24 ceased to be printed beyond September 17, 2015. Charts: CH–25; CJ–26, and CJ–27 production ended upon their next scheduled printing dates of December 10, 2015; February 04, 2016, and March 31, 2016 respectively. [1]
Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled airspace. The primary purpose of ATC is to prevent collisions, organize and expedite the flow of traffic in the air, and provide information and other support for pilots.
Aviation is the design, development, production, operation, and use of aircraft, especially heavier-than-air aircraft. Articles related to aviation include:
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In United States and Canadian aviation, the Aeronautical Information Manual (AIM) is the respective nation's official guide to basic flight information and air traffic control procedures.
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Pinal Airpark, also known as Pinal County Airpark, is a non-towered, county-owned, public-use airport located 8 miles northwest of the central business district of Marana, in Pinal County, Arizona, United States. Silverbell Army Heliport is co-located with Pinal Airpark. The heliport is a private-use military facility operated by the Arizona Army National Guard.
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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 information such as radio frequencies and airspace boundaries. There are charts for all land masses on Earth, and long-distance charts for trans-oceanic travel.
In United States aviation, a sectional aeronautical chart, often called a sectional chart or a sectional for short, is a type of aeronautical chart designed for air navigation under visual flight rules (VFR).
The United States airspace system's classification scheme is intended to maximize pilot flexibility within acceptable levels of risk appropriate to the type of operation and traffic density within that class of airspace – in particular to provide separation and active control in areas of dense or high-speed flight operations.
In United States and Canada aviation, terminal area charts are aeronautical charts intended for navigation under Visual Flight Rules that depict areas surrounding major airports, primarily those with Class B airspace.
This article describes the graphic conventions used in Sectional charts and Terminal area charts published for aeronautical navigation under Visual Flight Rules in the United States of America. The charts are published "in accordance with Interagency Air Cartographic Committee specifications and agreements, approved by the Department of Defense and the Federal Aviation Administration".
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The Aeronautical Information Service, or AIS is a service established in support of international civil aviation, whose objective is to ensure the flow of information necessary for the safety, regularity, and efficiency of international air navigation.
In aviation, an en-route chart is an aeronautical chart that guides pilots flying under instrument flight rules (IFR) during the en-route phase of flight.
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Source: FAA Pilot's Handbook
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