Circle Town County
4U6 · Circle, Montana · Mc Cone County · map
Circle Town County is a public-use airport owned by Mc Cone County & City of Circle, 1 mile east of Circle, Montana, 2,441 feet above sea level. It has 2 runways; the longest, 12/30, is 4,100 feet of asphalt. It has fuel (100LL avgas).
The airport
- Codes
- FAA 4U6
- Kind
- Airport · open to the public · publicly owned
- Owner
- Mc Cone County & City of Circle
- Elevation
- 2,441 feet above sea level
- Control tower
- No control tower
- Attended
- Monday to Friday, 8:00 am to 5:00 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar, tiedown
- On the chart
- Billings sectional
- Magnetic variation
- 9E
- In the FAA's files since
- April 1940
Runways 2
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 12/30 | 4,100 × 75 ft | Asphalt, poor | Medium-intensity lights |
| 03/21 | 2,280 × 195 ft | Grass, poor |
- Runway 12: PAPI, two lights on the left
- Runway 30: PAPI, two lights on the left
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| 4U6 AWOS-2 | 119.025 | |
| Glasgow and center (remote transmitter) Low | 126.85 |
Automated weather (AWOS-2), by phone 406-485-3760.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Circle from the FAA register
15 aircraft are registered to owners in Circle, Montana: 11 piston singles, 3 drones, 1 glider. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Montana.
Accidents and incidents at or near this airport NTSB records · 2 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Has -8 feet drainage ditch 200 feet from runway 03/21 thlds.
- Activate medium-intensity runway lights runway 12/30 and PAPI runway 12 and runway 30 - the common traffic frequency.
- Closed winter months.
- 03/21 thresholds marked with red cones.
- Runway is rough, with long grass, runway edges are not marked.
- Transverse cracks at 100 feet intvls with sgfnt width and dpt.
- Unusable in wet weather.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.