Oelwein Municipal Airport frequencies
Oelwein Municipal Airport (OLZ · KOLZ) in Oelwein, IA 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 Oelwein Municipal Airport — runways, frequencies, charts and live weatherBefore taxi
- ASOS/AWOS 119.675
- 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 122.8
- 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 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.
Departure & arrival Des Moines
- App/Dep 118.9
- One radar controller working both arrivals and departures — normal at a smaller TRACON. The same frequency takes your climb out and your inbound call.
Also
- Flight service 118.9 (LOW)
- Flight Service handles briefings, flight plans and en route advisories, reached here through a remote outlet. Open and close VFR flight plans, and get updated weather in the air. 1-800-WX-BRIEF reaches the same specialists from the ground.
What to say on 122.8
Nobody is sequencing traffic at KOLZ, 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 Oelwein Municipal Airport.
- Inbound, 10 miles out
Oelwein traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 13, Oelwein.
- Entering the pattern
Oelwein traffic, Skyhawk one two three four five, entering left downwind runway 13, Oelwein.
- Before taking the runway
Oelwein traffic, Skyhawk one two three four five, departing runway 13, Oelwein.
Pattern direction is not always left here — check the KOLZ traffic pattern before you announce a leg. The Chart Supplement is authoritative if KOLZ publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (1 more)
| 251.15 | APCH/P DEP/P, WATERLOO RCAG (LOW) |
|---|
Every KOLZ frequency, as one table
| ASOS/AWOS | 119.675 |
|---|---|
| CTAF | 122.8 |
| UNICOM | 122.8 |
| Flight service | 118.9 (LOW) |
| App/Dep | 118.9 |
Frequently asked
What is the CTAF at KOLZ?
Oelwein Municipal Airport 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.
What is the ASOS/AWOS frequency at KOLZ?
ASOS/AWOS at Oelwein Municipal Airport is 119.675. 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 KOLZ?
App/Dep for Oelwein Municipal Airport is 118.9, working as "Des Moines". Call inbound for flight following or to begin an instrument approach.
More about KOLZ
Frequencies from FAA NASR. For planning and education only; always verify against official sources.