Newton Municipal-Earl Johnson Field frequencies
Newton Municipal-Earl Johnson Field (TNU · KTNU) in Newton, 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 Newton Municipal-Earl Johnson Field — runways, frequencies, charts and live weatherBefore taxi
- ASOS/AWOS 132.275
- 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.
- Clearance 126.3
- Clearance delivery issues your IFR clearance, and at busier fields your VFR departure instructions and squawk code. Call before you request taxi, with the ATIS letter and your intended direction of flight.
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 123.9
- One radar controller working both arrivals and departures — normal at a smaller TRACON. The same frequency takes your climb out and your inbound call.
What to say on 122.8
Nobody is sequencing traffic at KTNU, 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 Newton Municipal-Earl Johnson Field.
- Inbound, 10 miles out
Newton -Earl Johnson traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 14, Newton -Earl Johnson.
- Entering the pattern
Newton -Earl Johnson traffic, Skyhawk one two three four five, entering left downwind runway 14, Newton -Earl Johnson.
- Before taking the runway
Newton -Earl Johnson traffic, Skyhawk one two three four five, departing runway 14, Newton -Earl Johnson.
Pattern direction is not always left here — check the KTNU traffic pattern before you announce a leg. The Chart Supplement is authoritative if KTNU publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (1 more)
| 307.15 | APCH/P DEP/P |
|---|
Every KTNU frequency, as one table
| ASOS/AWOS | 132.275 |
|---|---|
| Clearance | 126.3 |
| CTAF | 122.8 |
| UNICOM | 122.8 |
| App/Dep | 123.9 |
Frequently asked
What is the CTAF at KTNU?
Newton Municipal-Earl Johnson Field 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 KTNU?
ASOS/AWOS at Newton Municipal-Earl Johnson Field is 132.275. 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 KTNU?
App/Dep for Newton Municipal-Earl Johnson Field is 123.9, working as "Des Moines". Call inbound for flight following or to begin an instrument approach.
Where do I get my clearance at KTNU?
Clearance delivery at Newton Municipal-Earl Johnson Field is 126.3. Call before requesting taxi, with the current ATIS letter and your direction of flight.
More about KTNU
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.