St Mary's Hospital frequencies
St Mary's Hospital (MN33) in Duluth, MN has no control tower, so nobody is sequencing traffic here — you announce your own position on 123.05. Every frequency below is in the order you tune it. · Open on the map
All of St Mary's Hospital — runways, frequencies, charts and live weatherTaxi & takeoff
- UNICOM 123.05
- 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.
Arrival Duluth
- Approach 124.8 (EHOSI departures)
- Approach control is the radar facility sequencing arrivals into the area. Call inbound for flight following or an instrument approach, with your position, altitude and request.
What to say on 123.05
Nobody is sequencing traffic at MN33, 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 — 123.05 is not unique to St Mary's Hospital.
- Inbound, 10 miles out
St Mary's Hospital traffic, Skyhawk one two three four five, one zero miles south, inbound landing, St Mary's Hospital.
- Entering the pattern
St Mary's Hospital traffic, Skyhawk one two three four five, entering left downwind , St Mary's Hospital.
- Before taking the runway
St Mary's Hospital traffic, Skyhawk one two three four five, departing , St Mary's Hospital.
Pattern direction is not always left here — check the MN33 traffic pattern before you announce a leg. The Chart Supplement is authoritative if MN33 publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (1 more)
| 124.8 | EHOSI DP |
|---|
Every MN33 frequency, as one table
| UNICOM | 123.05 |
|---|---|
| Approach | 124.8 · EHOSI departures |
Frequently asked
What is the CTAF at MN33?
St Mary's Hospital is non towered. The common traffic advisory frequency is 123.05 — announce your position and intentions on entry and on each leg of the pattern.
What is the approach frequency for MN33?
Approach for St Mary's Hospital is 124.8, working as "Duluth" (EHOSI departures). Call inbound for flight following or to begin an instrument approach.
More about MN33
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Something here wrong or out of date?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.