Delphi Municipal Airport frequencies

Delphi Municipal Airport (1I9) in Delphi, IN 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 Delphi Municipal Airport — 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.

Departure & arrival Grissom

App/Dep 121.05: 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 123.85 (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 122.9

Nobody is sequencing traffic at 1I9, 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 Delphi Municipal Airport.

Inbound, 10 miles out Delphi traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 18, Delphi.
Entering the pattern Delphi traffic, Skyhawk one two three four five, entering left downwind runway 18, Delphi.
Before taking the runway Delphi traffic, Skyhawk one two three four five, departing runway 18, Delphi.

Pattern direction is not always left here — check the 1I9 traffic pattern before you announce a leg. The Chart Supplement is authoritative if 1I9 publishes a call name that differs from the airport's. Full guidance →

By procedure & sector (1 more)

338.275	APCH/P DEP/P

Every 1I9 frequency, as one table

CTAF	122.9
Flight service	123.85 (LOW)
App/Dep	121.05

Frequently asked

What is the CTAF at 1I9?

Delphi Municipal 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 approach frequency for 1I9?

App/Dep for Delphi Municipal Airport is 121.05, working as "Grissom". Call inbound for flight following or to begin an instrument approach.

More about 1I9

Frequencies from FAA NASR. For planning and education only; always verify against official sources.