Monmouth Municipal frequencies
Monmouth Municipal (C66) in Monmouth, IL has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.8. Every frequency below is in the order you tune it. · Open on the map
All of Monmouth Municipal — runways, frequencies, charts and live weatherBefore taxi
- Clearance 120.7
- Clearance delivery issues your IFR clearance, and at busier fields your VFR departure instructions and squawk code. Call before you request taxi, with the ATIS letter and your intended direction of flight.
Taxi & takeoff
- CTAF 122.8
- 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.
- UNICOM 122.8
- A ground station run by the FBO rather than the FAA, for fuel, parking and airport services. Use it for services. Where the field has no separate CTAF, the same frequency doubles as the advisory frequency.
Departure & arrival Quad City
- App/Dep 133.275
- One radar controller working both arrivals and departures — normal at a smaller TRACON. The same frequency takes your climb out and your inbound call.
Also
- Flight service 135.6 (LOW)
- Flight Service handles briefings, flight plans and en route advisories, reached here through a remote outlet. Open and close VFR flight plans, and get updated weather in the air. 1-800-WX-BRIEF reaches the same specialists from the ground.
What to say on 122.8
Nobody is sequencing traffic at C66, 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 — 122.8 is not unique to Monmouth Municipal.
- Inbound, 10 miles out
Monmouth traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 03, Monmouth.
- Entering the pattern
Monmouth traffic, Skyhawk one two three four five, entering left downwind runway 03, Monmouth.
- Before taking the runway
Monmouth traffic, Skyhawk one two three four five, departing runway 03, Monmouth.
Pattern direction is not always left here — check the C66 traffic pattern before you announce a leg. The Chart Supplement is authoritative if C66 publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (2 more)
| 257.8 | APCH/P DEP/P |
|---|---|
| 370.95 | BURLINGTON RCAG (LOW) |
Every C66 frequency, as one table
| Clearance | 120.7 |
|---|---|
| CTAF | 122.8 |
| UNICOM | 122.8 |
| Flight service | 135.6 (LOW) |
| App/Dep | 133.275 |
Frequently asked
What is the CTAF at C66?
Monmouth Municipal is non towered. The common traffic advisory frequency is 122.8 — announce your position and intentions on entry and on each leg of the pattern.
What is the approach frequency for C66?
App/Dep for Monmouth Municipal is 133.275, working as "Quad City". Call inbound for flight following or to begin an instrument approach.
Where do I get my clearance at C66?
Clearance delivery at Monmouth Municipal is 120.7. Call before requesting taxi, with the current ATIS letter and your direction of flight.
More about C66
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.