FAA Aircraft Dispatcher Practice Exam

Question: 1 / 400

Which altitude is an IFR high altitude chart used for?

Below 10,000 ft

Up to but not including 18,000 ft

18,000 ft (FL180) to FL600

The altitude range for an IFR high altitude chart is from 18,000 feet up to Flight Level 600 (FL600). This range is specifically designed to provide pilots with navigational information and to facilitate the planning of en route flights in controlled airspace, where higher altitude operations take place.

The use of high altitude charts is particularly important for jet routes and areas of increased air traffic. The data presented on these charts, including navigational aids and airspace classifications, is tailored to the needs of aircraft operating at these higher altitudes, where the dynamics of flight and airspace management differ significantly from lower altitudes.

In contrast, other options refer to altitudes that fall outside of this high altitude range. For instance, altitudes below 18,000 feet are covered under the lower altitude charts, which are designed for operations in different operational environments and traffic levels.

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Above FL600

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