What is the CTAF frequency at KONZ?

Grosse Ile Municipal Airport's CTAF frequency is 123.0.

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Grosse Ile Municipal Airport frequencies

Radio frequencies for Grosse Ile Municipal Airport (ONZ · KONZ) in Detroit/Grosse Ile, MI — tower, ground, ATIS, CTAF, and approach/departure for your radio setup.

Tower & ground

ASOS/AWOS	119.675
CTAF	123.0
UNICOM	123.0

Approach & departure Detroit

App/Dep	134.3

By procedure & sector (1 more)

284.0	APCH/P DEP/P

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