SkyReady

Plains Airport frequencies

Plains Airport (S34) in Plains, MT has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.9. Every frequency below is in the order you tune it. · Open on the map

All of Plains Airport — runways, frequencies, charts and live weather

Before taxi

ASOS/AWOS 118.1
An automated weather station reading the field conditions aloud — wind, visibility, ceiling, temperature and altimeter. It replaces ATIS at a field with no controller to record one. Get the altimeter setting before you descend below the transition altitude.

Taxi & takeoff

CTAF 122.9
The common frequency pilots use to announce themselves to each other at a field with no operating control tower. Nobody is controlling traffic — you are self announcing. Report your position and intentions on entry and on each leg of the pattern, and listen well before you transmit.

What to say on 122.9

Nobody is sequencing traffic at S34, so every call is you telling other aircraft where you are. Open and close with the field name so a pilot tuned to a shared frequency knows which airport you mean — 122.9 is not unique to Plains Airport.

  • Inbound, 10 miles out Plains traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 13, Plains.
  • Entering the pattern Plains traffic, Skyhawk one two three four five, entering left downwind runway 13, Plains.
  • Before taking the runway Plains traffic, Skyhawk one two three four five, departing runway 13, Plains.

Pattern direction is not always left here — check the S34 traffic pattern before you announce a leg. The Chart Supplement is authoritative if S34 publishes a call name that differs from the airport's. Full guidance →

Every S34 frequency, as one table
ASOS/AWOS118.1
CTAF122.9

Frequently asked

What is the CTAF at S34?

Plains Airport is non towered. The common traffic advisory frequency is 122.9 — announce your position and intentions on entry and on each leg of the pattern.

What is the ASOS/AWOS frequency at S34?

ASOS/AWOS at Plains Airport is 118.1. It is an automated broadcast, so there is no letter to report — just take the altimeter setting and wind.

More about S34

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