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AhaBulb: Stuff Everyone Should Know · ahabulb.com/ifr-heading-indicator-check

How often should you compare the heading indicator with the magnetic compass in flight?

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  1. About every 15 minutes
  2. Only once, before takeoff
  3. About once an hour

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References

  1. FAA Instrument Flying Handbook (FAA-H-8083-15B) www.faa.gov/sites/faa.gov/files/pilots/FAA-H-8083-15B.pdf Checked 2026-10-11.
  2. FAA Instrument Flying Handbook (FAA-H-8083-15B) www.faa.gov/sites/faa.gov/files/pilots/FAA-H-8083-15B.pdf Checked 2026-10-11.

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