Aircraft systems and instrumentsQuestion 549 of 934

Which three common flight instruments use gyroscopes?

  1. Altimeter, airspeed indicator, vertical speed indicator
  2. Magnetic compass, altimeter, turn coordinator
  3. Turn coordinator, heading indicator, attitude indicator
  4. Heading indicator, airspeed indicator, tachometer
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Correct answer: Turn coordinator, heading indicator, attitude indicator

These instruments depend on the gyro properties of rigidity in space and precession.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 8: Flight Instruments — Gyroscopic Flight Instruments, page 217

Practice aircraft systems and instruments

Questions last reviewed: 18 October 2026