Monmouth Municipal
C66 · Monmouth, Illinois · Warren County · map
Monmouth Municipal is a public-use airport owned by the City of Monmouth, 2 miles north of Monmouth, Illinois, 753 feet above sea level. Its one runway, 03/21, is 2,899 feet of asphalt. It has fuel (100LL avgas, car gas (mogas)).
The airport
- Codes
- FAA C66
- Kind
- Airport · open to the public · publicly owned
- Owner
- City of Monmouth
- Elevation
- 753 feet above sea level
- Control tower
- No control tower
- Attended
- Tuesday to Sunday, 8:00 am to 4:30 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, car gas (mogas)
- Repairs
- airframe: none; engine: none
- Parking
- hangar, tiedown
- On the chart
- Chicago sectional
- Magnetic variation
- 3E
- In the FAA's files since
- April 1940
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 03/21 | 2,899 × 60 ft | Asphalt, good | Medium-intensity lights |
- Runway 03: PAPI, two lights on the left, tree 34 ft high 681 ft from the end
- Runway 21: PAPI, two lights on the left, tree 52 ft high 789 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| Clearance delivery | 120.7 | |
| Approach and departure | 133.275 | |
| Burlington and center (remote transmitter) Low | 135.6 |
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Monmouth from the FAA register
11 aircraft are registered to owners in Monmouth, Illinois: 7 drones, 4 piston singles. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Illinois.
Accidents and incidents at or near this airport NTSB records · 3 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Activate PAPI runway 03 and 21; medium-intensity runway lights runway 03/21 preset low intst, to incr intst and activate - the common traffic frequency.
- 24 hour self serve fuel
- Seasonal crops in part 77 surface; 200 feet from runway end 61 feet L.
- This airport has been surveyed by the national geodetic survey.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.