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Gratiot Community Airport frequencies

Radio frequencies for Gratiot Community Airport (AMN · KAMN) in Alma, MI — tower, ground, ATIS, CTAF, and approach/departure for your radio setup.

Tower & ground

ASOS/AWOS124.175
CTAF122.8
UNICOM122.8
Flight service126.75 (LOW)

Approach & departure Great Lakes

App/Dep126.45
By procedure & sector (2 more)
235.625APCH/P DEP/P
348.75FLINT RCAG (LOW)

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