FAA facility Airport
CIRCLE TOWN COUNTY
CIRCLE, MONTANA FAA 4U6 Open to the public
Runways
2 records · drawn to relative scale
03/21
03
21
Runway-end details
| End | True hdg | ILS | Glide slope aid | Approach lights | Displaced thr | Declared distances |
|---|---|---|---|---|---|---|
| 03 | 48° | — | — | — | — | — |
| 21 | 229° | — | — | — | — | — |
12/30
12
30
Runway-end details
| End | True hdg | ILS | Glide slope aid | Approach lights | Displaced thr | Declared distances |
|---|---|---|---|---|---|---|
| 12 | 140° | — | PAPI · 2-light · left side | — | — | — |
| 30 | 320° | — | PAPI · 2-light · left side | — | — | — |
Communications
5 published frequencies| Use | Frequency | Hours |
|---|---|---|
| 4U6 AWOS-2 | 119.025 | — |
| CTAF | 122.8 | — |
| UNICOM | 122.8 | — |
| GLASGOW RCAG | 126.85 | — |
| GLASGOW RCAG | 305.2 | — |
FAA listing history
Identities observed in NASR snapshots
CIRCLE TOWN COUNTY
Observed 2024-06-13 through 2026-07-09
4U6
Dates describe available FAA snapshots, not exact opening, closure or construction dates.
Material changes
First observed in NASR cyclesNo public material changes are recorded yet.
FAA NASR cycle effective 2026-08-06. Operational information changes every cycle — consult current FAA publications, the Chart Supplement and NOTAMs before flight.