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SESK: Stuff Everyone Should Know · sesk.info/drone-multicom-122-9

At a non-towered airport with no FSS or UNICOM, which frequency do pilots use?

MULTICOM, 122.9.

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  1. 122.9 (MULTICOM) ✔
  2. 121.5 (emergency)
  3. 122.8 (typical UNICOM)

Why: Most non-towered airports have a UNICOM, often 122.8. If there is no tower, FSS or UNICOM, pilots use the MULTICOM frequency 122.9. Always check the chart or Chart Supplement for the right one.

Huh, didn't know that: 121.5 MHz is the international emergency frequency.

The dad joke
Why did the pilot bring a ladder to the radio? To reach the high frequencies.
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References

Answer: 122.9 (MULTICOM). Most non-towered airports have a UNICOM, often 122.8. If there is no tower, FSS or UNICOM, pilots use the MULTICOM frequency 122.9. Always check the chart or Chart Supplement for the right one.

  1. Remote Pilot sUAS Study Guide (FAA-G-8082-22), Chapter 7 www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/remote_pilot_study_guide.pdf
    A MULTICOM frequency of 122.9 will be used at an airport that is non-towered and does not have a FSS or UNICOM.
    Checked 2026-10-09.

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