Aircraft systems and instrumentsQuestion 518 of 934

The actual pressure is lower than the setting in the altimeter window. How does the actual altitude compare with the indicated altitude?

  1. The actual altitude is higher
  2. The actual altitude is the same
  3. The actual altitude is lower
  4. The actual altitude is the pressure altitude
Show answer

Correct answer: The actual altitude is lower

A pilot must know the direction of the error to avoid obstacles.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 8: Flight Instruments — Altimeter — Setting the Altimeter, page 208

Practice aircraft systems and instruments

Questions last reviewed: 18 October 2026