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Monmouth Municipal Airport frequencies

Radio frequencies for Monmouth Municipal Airport (C66) in Monmouth, IL — tower, ground, ATIS, CTAF, and approach/departure for your radio setup.

Tower & ground

Clearance120.7
CTAF122.8
UNICOM122.8
Flight service135.6 (LOW)

Approach & departure Quad City

App/Dep133.275
By procedure & sector (2 more)
257.8APCH/P DEP/P
370.95BURLINGTON RCAG (LOW)

Frequencies from FAA NASR. For planning and education only; always verify against official sources.