C66 in 20 seconds
Monmouth Municipal Airport serves Monmouth, US.
Monmouth Municipal Airport (C66) is a civil, public-use airport located two miles north of Monmouth, Illinois, United States,. It is publicly owned by the City of Monmouth,.
- Runway Information: The airport has one asphalt runway, designated 3/21, which is 2,899 feet long and 60 feet wide,,. The elevation is 753 feet above mean sea level,,.
- Known Uses: The airport operates its own fixed-base operator (FBO), offering fuel (AVGAS MOGAS), parking, hangars, and a courtesy car,,. Services include flight training, aircraft rental, and aerial photography. It experiences intense agricultural aircraft operations from sunrise to sunset, June through August.
- Historical Significance: Founded in 1921 by the Aero Club, Monmouth Municipal Airport is the oldest continuously operating airport in Illinois.
*Sources researched: en.wikipedia.org, city-data.com, acukwik.com, fshub.io, fltplan.com*
AirportRoutes · updated Jun 20, 2026
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Where is Monmouth Municipal Airport located?
Monmouth Municipal Airport is located in Monmouth, US, at an elevation of 753 ft. Its IATA code is — and ICAO code is C66.