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The Chart Supplement U.S. and the back of a sectional chart give different information. Which source should the pilot use?

  1. The Chart Supplement U.S.
  2. The back of the sectional chart
  3. The oldest source of the two
  4. The source that gives the shorter runway
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Correct answer: The Chart Supplement U.S.

The Chart Supplement U.S. generally has the latest information and should be used in preference to the chart.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 16: Navigation — Flight Planning, page 404

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Questions last reviewed: 18 October 2026