Richard B Helgeson Airport frequencies
Richard B Helgeson Airport (TWM · KTWM) in Two Harbors, MN has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.9. Every frequency below is in the order you tune it. · Open on the map
All of Richard B Helgeson Airport — runways, frequencies, charts and live weatherBefore taxi
- ASOS/AWOS 119.325
- 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 122.9
- 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.
Departure & arrival Duluth
- App/Dep 125.45
- 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 122.9
Nobody is sequencing traffic at KTWM, 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 — 122.9 is not unique to Richard B Helgeson Airport.
- Inbound, 10 miles out
Richard B Helgeson traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 06, Richard B Helgeson.
- Entering the pattern
Richard B Helgeson traffic, Skyhawk one two three four five, entering left downwind runway 06, Richard B Helgeson.
- Before taking the runway
Richard B Helgeson traffic, Skyhawk one two three four five, departing runway 06, Richard B Helgeson.
Pattern direction is not always left here — check the KTWM traffic pattern before you announce a leg. The Chart Supplement is authoritative if KTWM publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (2 more)
| 121.725 | APT REMARK 1 WITH GCO FREQ |
|---|---|
| 233.7 | APCH/P DEP/P |
Every KTWM frequency, as one table
| ASOS/AWOS | 119.325 |
|---|---|
| CTAF | 122.9 |
| App/Dep | 125.45 |
Frequently asked
What is the CTAF at KTWM?
Richard B Helgeson Airport is non towered. The common traffic advisory frequency is 122.9 — announce your position and intentions on entry and on each leg of the pattern.
What is the ASOS/AWOS frequency at KTWM?
ASOS/AWOS at Richard B Helgeson Airport is 119.325. 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 KTWM?
App/Dep for Richard B Helgeson Airport is 125.45, working as "Duluth". Call inbound for flight following or to begin an instrument approach.
More about KTWM
Frequencies from FAA NASR. For planning and education only; always verify against official sources.