Thompson Falls Airport frequencies
Thompson Falls Airport (THM · KTHM) in Thompson Falls, MT has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.9. Every frequency below is in the order you tune it. · Open on the map
All of Thompson Falls Airport — runways, frequencies, charts and live weatherTaxi & takeoff
- CTAF 122.9
- The common frequency pilots use to announce themselves to each other at a field with no operating control tower. Nobody is controlling traffic — you are self announcing. Report your position and intentions on entry and on each leg of the pattern, and listen well before you transmit.
What to say on 122.9
Nobody is sequencing traffic at KTHM, so every call is you telling other aircraft where you are. Open and close with the field name so a pilot tuned to a shared frequency knows which airport you mean — 122.9 is not unique to Thompson Falls Airport.
- Inbound, 10 miles out
Thompson Falls traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 08, Thompson Falls.
- Entering the pattern
Thompson Falls traffic, Skyhawk one two three four five, entering left downwind runway 08, Thompson Falls.
- Before taking the runway
Thompson Falls traffic, Skyhawk one two three four five, departing runway 08, Thompson Falls.
Pattern direction is not always left here — check the KTHM traffic pattern before you announce a leg. The Chart Supplement is authoritative if KTHM publishes a call name that differs from the airport's. Full guidance →
Every KTHM frequency, as one table
| CTAF | 122.9 |
|---|
Frequently asked
What is the CTAF at KTHM?
Thompson Falls Airport is non towered. The common traffic advisory frequency is 122.9 — announce your position and intentions on entry and on each leg of the pattern.
More about KTHM
Frequencies from FAA NASR. For planning and education only; always verify against official sources.