Calaveras Co Maury Rasmussen Field frequencies
Calaveras Co Maury Rasmussen Field (CPU · KCPU) in San Andreas, CA has no control tower, so nobody is sequencing traffic here — you announce your own position on 123.0. Every frequency below is in the order you tune it. · Open on the map
All of Calaveras Co Maury Rasmussen Field — runways, frequencies, charts and live weatherBefore taxi
- ASOS/AWOS 118.525
- 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 123.0
- 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.
- UNICOM 123.0
- 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.
Departure & arrival Norcal
- App/Dep 125.1
- One radar controller working both arrivals and departures — normal at a smaller TRACON. The same frequency takes your climb out and your inbound call.
What to say on 123.0
Nobody is sequencing traffic at KCPU, 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 — 123.0 is not unique to Calaveras Co Maury Rasmussen Field.
- Inbound, 10 miles out
Calaveras Co Maury Rasmussen traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 13, Calaveras Co Maury Rasmussen.
- Entering the pattern
Calaveras Co Maury Rasmussen traffic, Skyhawk one two three four five, entering left downwind runway 13, Calaveras Co Maury Rasmussen.
- Before taking the runway
Calaveras Co Maury Rasmussen traffic, Skyhawk one two three four five, departing runway 13, Calaveras Co Maury Rasmussen.
Pattern direction is not always left here — check the KCPU traffic pattern before you announce a leg. The Chart Supplement is authoritative if KCPU publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (1 more)
| 363.2 | APCH/P |
|---|
Every KCPU frequency, as one table
| ASOS/AWOS | 118.525 |
|---|---|
| CTAF | 123.0 |
| UNICOM | 123.0 |
| App/Dep | 125.1 |
Frequently asked
What is the CTAF at KCPU?
Calaveras Co Maury Rasmussen Field is non towered. The common traffic advisory frequency is 123.0 — announce your position and intentions on entry and on each leg of the pattern.
What is the ASOS/AWOS frequency at KCPU?
ASOS/AWOS at Calaveras Co Maury Rasmussen Field is 118.525. It is an automated broadcast, so there is no letter to report — just take the altimeter setting and wind.
What is the approach frequency for KCPU?
App/Dep for Calaveras Co Maury Rasmussen Field is 125.1, working as "Norcal". Call inbound for flight following or to begin an instrument approach.
More about KCPU
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.