Non-towered · Class G at the surface
State Technical College of Missouri (1H3) radio calls
Linn, MOFAA identifier 1H3; no ICAO code assigned
State Technical College of Missouri is a non-towered airport in Linn, MO. Nobody clears you to do anything: you self-announce on the CTAF, 122.9, as State Technical College of Missouri Traffic, with the airport name at the start and end of each call.
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
| CTAFState Technical College of Missouri Traffic | 122.9 |
|---|
Airport
- Runways
- 09 · 27
- Elevation
- 953 ft
- Position
- 38.472, -91.817
Non-towered airport: self-announce on the CTAF
Sample calls at 1H3
State Technical College of Missouri has no operating control tower. Every call below goes out on the CTAF, 122.9, to the other aircraft, not to a controller. The runway shown is 09; 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 122.9. 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).
- YouState Technical College of Missouri traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway zero niner, State Technical College of Missouri.
- YouState Technical College of Missouri traffic, Cessna Six Zero Foxtrot, departing runway zero niner, departing the pattern to the north, State Technical College of Missouri.
- 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).
- YouState Technical College of Missouri traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing State Technical College of Missouri, State Technical College of Missouri.
- YouState Technical College of Missouri traffic, Cessna Six Zero Foxtrot, entering left downwind runway zero niner, full stop, State Technical College of Missouri.
- YouState Technical College of Missouri traffic, Cessna Six Zero Foxtrot, left base runway zero niner, State Technical College of Missouri.
- YouState Technical College of Missouri traffic, Cessna Six Zero Foxtrot, final runway zero niner, full stop, State Technical College of Missouri.
- YouState Technical College of Missouri traffic, Cessna Six Zero Foxtrot, clear of runway zero niner, State Technical College of Missouri.
If things change. 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). Listen for ten miles before you arrive; most of what you want to know has already been said.
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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