Olney Air Evac 150 frequencies
Olney Air Evac 150 (31IL) in Olney, IL 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 Olney Air Evac 150 — 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 31IL, 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 Olney Air Evac 150.
- Inbound, 10 miles out
Olney Air Evac 150 traffic, Skyhawk one two three four five, one zero miles south, inbound landing, Olney Air Evac 150.
- Entering the pattern
Olney Air Evac 150 traffic, Skyhawk one two three four five, entering left downwind , Olney Air Evac 150.
- Before taking the runway
Olney Air Evac 150 traffic, Skyhawk one two three four five, departing , Olney Air Evac 150.
Pattern direction is not always left here — check the 31IL traffic pattern before you announce a leg. The Chart Supplement is authoritative if 31IL publishes a call name that differs from the airport's. Full guidance →
Every 31IL frequency, as one table
| CTAF | 122.9 |
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Frequently asked
What is the CTAF at 31IL?
Olney Air Evac 150 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 31IL
Frequencies from FAA NASR. For planning and education only; always verify against official sources.
Something here wrong or out of date? Report a data problem.