Non-towered · Class G at the surface
Big Timber at Howard Field (6S0) radio calls
Big Timber, MTFAA identifier 6S0; no ICAO code assigned
Big Timber at Howard Field is a non-towered airport in Big Timber, MT. Nobody clears you to do anything: you self-announce on the CTAF, 122.8, as Big Timber at Howard Field 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
| CTAFBig Timber at Howard Field Traffic | 122.8 |
|---|
Airport
- Runways
- 06 · 24 · 18 · 36
- Elevation
- 4,494 ft
- Position
- 45.806, -109.978
Non-towered airport: self-announce on the CTAF
Sample calls at 6S0
Big Timber at Howard Field 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 06; 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).
- YouBig Timber at Howard Field traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway zero six, Big Timber at Howard Field.
- YouBig Timber at Howard Field traffic, Cessna Six Zero Foxtrot, departing runway zero six, departing the pattern to the north, Big Timber at Howard Field.
- 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).
- YouBig Timber at Howard Field traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Big Timber at Howard Field, Big Timber at Howard Field.
- YouBig Timber at Howard Field UNICOM, Cessna Six Zero Foxtrot, one zero miles south, request wind and runway information, Big Timber at Howard Field.
- 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.
- YouBig Timber at Howard Field traffic, Cessna Six Zero Foxtrot, entering left downwind runway zero six, full stop, Big Timber at Howard Field.
- YouBig Timber at Howard Field traffic, Cessna Six Zero Foxtrot, left base runway zero six, Big Timber at Howard Field.
- YouBig Timber at Howard Field traffic, Cessna Six Zero Foxtrot, final runway zero six, full stop, Big Timber at Howard Field.
- YouBig Timber at Howard Field traffic, Cessna Six Zero Foxtrot, clear of runway zero six, Big Timber at Howard Field.
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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