Non-towered · Class G at the surface
Guthrie County Regional (KGCT) radio calls
Guthrie Center, IAICAO KGCT · FAA GCT
Guthrie County Regional is a non-towered airport in Guthrie Center, IA. Nobody clears you to do anything: you self-announce on the CTAF, 122.8, as Guthrie County Regional Traffic, with the airport name at the start and end of each call. The approach control for the area is Des Moines Approach on 123.9, which is who you call for VFR flight following.
No Class B, C, D or E surface area is designated for this airport in the FAA data, so the airspace at the surface is Class G.
Frequencies
| CTAFGuthrie County Regional Traffic | 122.8 |
|---|---|
| Approach / DepartureDes Moines Approach | 123.9 |
Airport
- Runways
- 18 · 36
- Elevation
- 1,221 ft
- Position
- 41.687, -94.435
Non-towered airport: self-announce on the CTAF
Sample calls at KGCT
Guthrie County Regional has no operating control tower. Every call below goes out on the CTAF, 122.8, to the other aircraft, not to a controller. The runway shown is 18; use whichever runway the wind and the traffic dictate on the day.
The aircraft is the AIM’s own example, Cessna Three One Six Zero Foxtrot; the squawk codes, altitudes and headings are illustrative. Frequencies, station names and runway numbers are this airport’s, from the FAA data.
- Tune 122.8. Nobody clears you; you announce and you listen. The airport name goes at the start and the end of every call, and the runway is always a number, never "the active" (AIM 4-1-9 g 8).
- YouGuthrie County Regional traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway one eight, Guthrie County Regional.
- YouGuthrie County Regional traffic, Cessna Six Zero Foxtrot, departing runway one eight, departing the pattern to the north, Guthrie County Regional.
- Announce until you are about 10 miles out; on the way back, start announcing at 10 miles (AIM 4-1-9 c 1, TBL 4-1-1).
- YouGuthrie County Regional traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Guthrie County Regional, Guthrie County Regional.
- YouGuthrie County Regional UNICOM, Cessna Six Zero Foxtrot, one zero miles south, request wind and runway information, Guthrie County Regional.
- A UNICOM operator, if one is on, answers with the wind and the runway in use (AIM 4-1-9 h). If nobody answers, choose the runway from the wind and the pattern traffic you can hear.
- YouGuthrie County Regional traffic, Cessna Six Zero Foxtrot, entering left downwind runway one eight, full stop, Guthrie County Regional.
- YouGuthrie County Regional traffic, Cessna Six Zero Foxtrot, left base runway one eight, Guthrie County Regional.
- YouGuthrie County Regional traffic, Cessna Six Zero Foxtrot, final runway one eight, full stop, Guthrie County Regional.
- YouGuthrie County Regional traffic, Cessna Six Zero Foxtrot, clear of runway one eight, Guthrie County Regional.
If things change. Want flight following after departure? Call Des Moines Approach on 123.9 once clear of the pattern: identification, type, position, altitude, destination, "request VFR flight following" (AIM 4-1-18 a 3). Do not use "any traffic in the area, please advise"; the AIM says it is not to be used under any condition (AIM 4-1-9 g 1).
Phraseology from AIM 4-1-9 c 1, g 1, g 8, h; TBL 4-1-1; 4-3-3. What TowerTalk grades against →
The calls you will make here
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Frequencies, runways and airspace from the FAA National Airspace System Resources (NASR) 28-day subscription, cycle effective Sep 3, 2026. Training use only. Always verify against a current Chart Supplement and sectional chart before flight; frequencies change. TowerTalk is not affiliated with the FAA. Report a discrepancy.
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