Memorial Medical Center frequencies

Memorial Medical Center (3MI4) in Ludington, MI has no control tower, so nobody is sequencing traffic here — you announce your own position on 123.0. Every frequency below is in the order you tune it. · Open on the map

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Taxi & takeoff

CTAF 123.0
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.

What to say on 123.0

Nobody is sequencing traffic at 3MI4, 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 — 123.0 is not unique to Memorial Medical Center.

  • Inbound, 10 miles out Medical Center traffic, Skyhawk one two three four five, one zero miles south, inbound landing, Medical Center.
  • Entering the pattern Medical Center traffic, Skyhawk one two three four five, entering left downwind , Medical Center.
  • Before taking the runway Medical Center traffic, Skyhawk one two three four five, departing , Medical Center.

Pattern direction is not always left here — check the 3MI4 traffic pattern before you announce a leg. The Chart Supplement is authoritative if 3MI4 publishes a call name that differs from the airport's. Full guidance →

Every 3MI4 frequency, as one table
CTAF123.0

Frequently asked

What is the CTAF at 3MI4?

Memorial Medical Center is non towered. The common traffic advisory frequency is 123.0 — announce your position and intentions on entry and on each leg of the pattern.