Port Washington Airport/Didier Field frequencies

Port Washington Airport/Didier Field (35W) in Port Washington, WI 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 Port Washington Airport/Didier Field — runways, frequencies, charts and live weather

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.

What to say on 122.9

Nobody is sequencing traffic at 35W, 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 Port Washington Airport/Didier Field.

  • Inbound, 10 miles out Port Washington Didier traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 1, Port Washington Didier.
  • Entering the pattern Port Washington Didier traffic, Skyhawk one two three four five, entering left downwind runway 1, Port Washington Didier.
  • Before taking the runway Port Washington Didier traffic, Skyhawk one two three four five, departing runway 1, Port Washington Didier.

Pattern direction is not always left here — check the 35W traffic pattern before you announce a leg. The Chart Supplement is authoritative if 35W publishes a call name that differs from the airport's. Full guidance →

Every 35W frequency, as one table
CTAF122.9

Frequently asked

What is the CTAF at 35W?

Port Washington Airport/Didier Field 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.