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Harford County Airport frequencies

Radio frequencies for Harford County Airport (0W3) in Churchville, MD — tower, ground, ATIS, CTAF, and approach/departure for your radio setup.

Tower & ground

ASOS/AWOS132.725
CTAF122.8
UNICOM122.8

Approach & departure Potomac

App/Dep125.525
By procedure & sector (1 more)
291.625APCH/P DEP/P

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