Non-towered · Class G at the surface
Twisp Municipal (2S0) radio calls
Twisp, WAFAA identifier 2S0; no ICAO code assigned
Twisp Municipal is a non-towered airport in Twisp, WA. Nobody clears you to do anything: you self-announce on the CTAF, 122.9, as Twisp 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
| CTAFTwisp Municipal Traffic | 122.9 |
|---|
Airport
- Runways
- 10 · 28
- Elevation
- 1,602 ft
- Position
- 48.351, -120.094
Non-towered airport: self-announce on the CTAF
Sample calls at 2S0
Twisp 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 10; 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).
- YouTwisp Municipal traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway one zero, Twisp Municipal.
- YouTwisp Municipal traffic, Cessna Six Zero Foxtrot, departing runway one zero, departing the pattern to the north, Twisp 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).
- YouTwisp Municipal traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Twisp Municipal, Twisp Municipal.
- YouTwisp Municipal traffic, Cessna Six Zero Foxtrot, entering left downwind runway one zero, full stop, Twisp Municipal.
- YouTwisp Municipal traffic, Cessna Six Zero Foxtrot, left base runway one zero, Twisp Municipal.
- YouTwisp Municipal traffic, Cessna Six Zero Foxtrot, final runway one zero, full stop, Twisp Municipal.
- YouTwisp Municipal traffic, Cessna Six Zero Foxtrot, clear of runway one zero, Twisp 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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