Weather servicesQuestion 394 of 934

In turbulence reports, what does the term occasional mean?

  1. 1/3 to 2/3 of the time
  2. More than 2/3 of the time
  3. Less than 1/3 of the time
  4. All of the time
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Correct answer: Less than 1/3 of the time

Intermittent is 1/3 to 2/3. Continuous is more than 2/3.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 7-1-21 PIREPs Relating to Turbulence, page 565

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Questions last reviewed: 18 October 2026