Mason Jewett Field frequencies
Mason Jewett Field (TEW · KTEW) in Mason, MI has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.7. Every frequency below is in the order you tune it. · Open on the map
All of Mason Jewett Field — runways, frequencies, charts and live weatherBefore taxi
- ASOS/AWOS 119.425
- 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 122.7
- 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 122.7
- 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 Great Lakes
- App/Dep 118.65
- 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 120.45 (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 122.7
Nobody is sequencing traffic at KTEW, 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 — 122.7 is not unique to Mason Jewett Field.
- Inbound, 10 miles out
Mason Jewett traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 10, Mason Jewett.
- Entering the pattern
Mason Jewett traffic, Skyhawk one two three four five, entering left downwind runway 10, Mason Jewett.
- Before taking the runway
Mason Jewett traffic, Skyhawk one two three four five, departing runway 10, Mason Jewett.
Pattern direction is not always left here — check the KTEW traffic pattern before you announce a leg. The Chart Supplement is authoritative if KTEW publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (2 more)
| 226.4 | APCH/P DEP/P |
|---|---|
| 360.7 | LITCHFIELD RCAG (LOW) |
Every KTEW frequency, as one table
| ASOS/AWOS | 119.425 |
|---|---|
| CTAF | 122.7 |
| UNICOM | 122.7 |
| Flight service | 120.45 (LOW) |
| App/Dep | 118.65 |
Frequently asked
What is the CTAF at KTEW?
Mason Jewett Field is non towered. The common traffic advisory frequency is 122.7 — announce your position and intentions on entry and on each leg of the pattern.
What is the ASOS/AWOS frequency at KTEW?
ASOS/AWOS at Mason Jewett Field is 119.425. 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 KTEW?
App/Dep for Mason Jewett Field is 118.65, working as "Great Lakes". Call inbound for flight following or to begin an instrument approach.
More about KTEW
Frequencies from FAA NASR. For planning and education only; always verify against official sources.