County Headquarters Bldg frequencies
County Headquarters Bldg (CL95) in San Bernardino, CA has no control tower, so nobody is sequencing traffic here — you announce your own position on 123.05. Every frequency below is in the order you tune it. · Open on the map
All of County Headquarters Bldg — runways, frequencies, charts and live weatherTaxi & takeoff
- UNICOM 123.05
- 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 123.05
Nobody is sequencing traffic at CL95, 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 — 123.05 is not unique to County Headquarters Bldg.
- Inbound, 10 miles out
Headquarters Bldg traffic, Skyhawk one two three four five, one zero miles south, inbound landing, Headquarters Bldg.
- Entering the pattern
Headquarters Bldg traffic, Skyhawk one two three four five, entering left downwind , Headquarters Bldg.
- Before taking the runway
Headquarters Bldg traffic, Skyhawk one two three four five, departing , Headquarters Bldg.
Pattern direction is not always left here — check the CL95 traffic pattern before you announce a leg. The Chart Supplement is authoritative if CL95 publishes a call name that differs from the airport's. Full guidance →
Every CL95 frequency, as one table
| UNICOM | 123.05 |
|---|
Frequently asked
What is the CTAF at CL95?
County Headquarters Bldg is non towered. The common traffic advisory frequency is 123.05 — announce your position and intentions on entry and on each leg of the pattern.
More about CL95
Frequencies from FAA NASR. For planning and education only; always verify against official sources.
Something here wrong or out of date? Report a data problem.