Crested Butte Airpark frequencies

Crested Butte Airpark (0CO2) in Crested Butte, CO has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.8. Every frequency below is in the order you tune it. · Open on the map

All of Crested Butte Airpark — runways, frequencies, charts and live weather

Taxi & takeoff

UNICOM 122.8
A ground station run by the FBO rather than the FAA, for fuel, parking and airport services. Use it for services. Where the field has no separate CTAF, the same frequency doubles as the advisory frequency.

What to say on 122.8

Nobody is sequencing traffic at 0CO2, 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 — 122.8 is not unique to Crested Butte Airpark.

  • Inbound, 10 miles out Crested Butte traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 11, Crested Butte.
  • Entering the pattern Crested Butte traffic, Skyhawk one two three four five, entering left downwind runway 11, Crested Butte.
  • Before taking the runway Crested Butte traffic, Skyhawk one two three four five, departing runway 11, Crested Butte.

Pattern direction is not always left here — check the 0CO2 traffic pattern before you announce a leg. The Chart Supplement is authoritative if 0CO2 publishes a call name that differs from the airport's. Full guidance →

Every 0CO2 frequency, as one table
UNICOM122.8

Frequently asked

What is the CTAF at 0CO2?

Crested Butte Airpark is non towered. The common traffic advisory frequency is 122.8 — announce your position and intentions on entry and on each leg of the pattern.