Non-towered · Class G at the surface
Crystal City Municipal (20R) radio calls
Crystal City, TXFAA identifier 20R; no ICAO code assigned
Crystal City Municipal is a non-towered airport in Crystal City, TX. Nobody clears you to do anything: you self-announce on the CTAF, 122.9, as Crystal City Municipal 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
| CTAFCrystal City Municipal Traffic | 122.9 |
|---|
Airport
- Runways
- 13 · 31
- Elevation
- 608 ft
- Position
- 28.698, -99.818
Non-towered airport: self-announce on the CTAF
Sample calls at 20R
Crystal City Municipal 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 13; 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).
- YouCrystal City Municipal traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway one three, Crystal City Municipal.
- YouCrystal City Municipal traffic, Cessna Six Zero Foxtrot, departing runway one three, departing the pattern to the north, Crystal City Municipal.
- 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).
- YouCrystal City Municipal traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Crystal City Municipal, Crystal City Municipal.
- YouCrystal City Municipal traffic, Cessna Six Zero Foxtrot, entering left downwind runway one three, full stop, Crystal City Municipal.
- YouCrystal City Municipal traffic, Cessna Six Zero Foxtrot, left base runway one three, Crystal City Municipal.
- YouCrystal City Municipal traffic, Cessna Six Zero Foxtrot, final runway one three, full stop, Crystal City Municipal.
- YouCrystal City Municipal traffic, Cessna Six Zero Foxtrot, clear of runway one three, Crystal City Municipal.
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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