Skip to main content
Aviation glossary

Heading Bug

What is heading bug?

Illustration related to heading bug
Image: Wikipedia Authors, see the history of w:Etika — CC BY-SA 4.0, via Wikimedia Commons

A heading bug is a movable marker on the heading indicator that you set to a desired heading as a visual reference or to tell an autopilot which direction to fly.

Studying for an FAA written test?

Terms like heading bug show up on the FAA knowledge test. Study them in context with ACS-aligned practice questions, AI explanations, and the cited FAA handbook reference behind every answer — free to start.

Learn more in the library

Related terms

Browse the full glossary →