Weather theoryQuestion 309 of 934

What are the standard sea level conditions of the International Standard Atmosphere?

  1. 29.92 "Hg and 59 °F (15 °C)
  2. 29.92 "Hg and 32 °F (0 °C)
  3. 30.00 "Hg and 59 °F (15 °C)
  4. 29.92 "Hg and 70 °F (21 °C)
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Correct answer: 29.92 "Hg and 59 °F (15 °C)

Standard sea level pressure is 29.92 "Hg and standard temperature is 59 °F (15 °C).

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 12: Weather Theory — Measurement of Atmospheric Pressure, page 289

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Questions last reviewed: 18 October 2026