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Helena Regional Airport frequencies

Radio frequencies for Helena Regional Airport (HLN · KHLN) in Helena, MT — tower, ground, ATIS, CTAF, and approach/departure for your radio setup.

Tower & ground Helena

ATIS120.4
ASOS/AWOS120.4
Ground121.9
Tower118.3
CTAF118.3
UNICOM122.95
Flight service122.2, 133.4 (LOW)
Emergency121.5

Approach & departure Helena

App/Dep119.5
By procedure & sector (7 more)
40.65ARNG OPS
126.2ARNG OPS
229.4APCH/P DEP/P
243.0EMERG
257.8LCL/P
285.4BUTTE RCAG (LOW)
321.45ARNG OPS

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