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AhaBulb: Stuff Everyone Should Know · ahabulb.com/pilot-transponder-ident

When should a pilot press the transponder IDENT button?

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  1. Only when ATC requests it
  2. Each time you check in with a new controller
  3. Every 10 minutes in busy airspace

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References

  1. AIM Chapter 4 Section 1, Services Available to Pilots www.faa.gov/air_traffic/publications/atpubs/aim_html/chap4_section_1.html Checked 2026-10-09.

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